# Fix up dependencies in *.Plo files, where we changed the extension of a
# source file
$SED -i -e 's/brw_blorp.cpp/brw_blorp.c/' src/mesa/drivers/dri/i965/.deps/brw_blorp.Plo
+$SED -i -e 's/gen6_blorp.cpp/gen6_blorp.c/' src/mesa/drivers/dri/i965/.deps/gen6_blorp.Plo
+$SED -i -e 's/gen7_blorp.cpp/gen7_blorp.c/' src/mesa/drivers/dri/i965/.deps/gen7_blorp.Plo
+$SED -i -e 's/gen8_blorp.cpp/gen8_blorp.c/' src/mesa/drivers/dri/i965/.deps/gen8_blorp.Plo
dnl
brw_wm.h \
brw_wm_state.c \
brw_wm_surface_state.c \
- gen6_blorp.cpp \
+ gen6_blorp.c \
gen6_cc.c \
gen6_clip_state.c \
gen6_constant_state.c \
gen6_viewport_state.c \
gen6_vs_state.c \
gen6_wm_state.c \
- gen7_blorp.cpp \
+ gen7_blorp.c \
gen7_cs_state.c \
gen7_ds_state.c \
gen7_gs_state.c \
gen7_wm_state.c \
gen7_wm_surface_state.c \
gen8_blend_state.c \
- gen8_blorp.cpp \
+ gen8_blorp.c \
gen8_depth_state.c \
gen8_disable.c \
gen8_draw_upload.c \
--- /dev/null
+/*
+ * Copyright © 2011 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <assert.h>
+
+#include "intel_batchbuffer.h"
+#include "intel_mipmap_tree.h"
+
+#include "brw_context.h"
+#include "brw_state.h"
+
+#include "brw_blorp.h"
+
+static void
+gen6_blorp_emit_vertex_buffer_state(struct brw_context *brw,
+ unsigned num_elems,
+ unsigned vbo_size,
+ uint32_t vertex_offset)
+{
+ /* 3DSTATE_VERTEX_BUFFERS */
+ const int num_buffers = 1;
+ const int batch_length = 1 + 4 * num_buffers;
+
+ uint32_t dw0 = GEN6_VB0_ACCESS_VERTEXDATA |
+ (num_elems * sizeof(float)) << BRW_VB0_PITCH_SHIFT;
+
+ if (brw->gen >= 7)
+ dw0 |= GEN7_VB0_ADDRESS_MODIFYENABLE;
+
+ switch (brw->gen) {
+ case 7:
+ dw0 |= GEN7_MOCS_L3 << 16;
+ break;
+ case 8:
+ dw0 |= BDW_MOCS_WB << 16;
+ break;
+ case 9:
+ dw0 |= SKL_MOCS_WB << 16;
+ break;
+ }
+
+ BEGIN_BATCH(batch_length);
+ OUT_BATCH((_3DSTATE_VERTEX_BUFFERS << 16) | (batch_length - 2));
+ OUT_BATCH(dw0);
+ if (brw->gen >= 8) {
+ OUT_RELOC64(brw->batch.bo, I915_GEM_DOMAIN_VERTEX, 0, vertex_offset);
+ OUT_BATCH(vbo_size);
+ } else {
+ /* start address */
+ OUT_RELOC(brw->batch.bo, I915_GEM_DOMAIN_VERTEX, 0,
+ vertex_offset);
+ /* end address */
+ OUT_RELOC(brw->batch.bo, I915_GEM_DOMAIN_VERTEX, 0,
+ vertex_offset + vbo_size - 1);
+ OUT_BATCH(0);
+ }
+ ADVANCE_BATCH();
+}
+
+void
+gen6_blorp_emit_vertices(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ uint32_t vertex_offset;
+
+ /* Setup VBO for the rectangle primitive..
+ *
+ * A rectangle primitive (3DPRIM_RECTLIST) consists of only three
+ * vertices. The vertices reside in screen space with DirectX coordinates
+ * (that is, (0, 0) is the upper left corner).
+ *
+ * v2 ------ implied
+ * | |
+ * | |
+ * v0 ----- v1
+ *
+ * Since the VS is disabled, the clipper loads each VUE directly from
+ * the URB. This is controlled by the 3DSTATE_VERTEX_BUFFERS and
+ * 3DSTATE_VERTEX_ELEMENTS packets below. The VUE contents are as follows:
+ * dw0: Reserved, MBZ.
+ * dw1: Render Target Array Index. The HiZ op does not use indexed
+ * vertices, so set the dword to 0.
+ * dw2: Viewport Index. The HiZ op disables viewport mapping and
+ * scissoring, so set the dword to 0.
+ * dw3: Point Width: The HiZ op does not emit the POINTLIST primitive, so
+ * set the dword to 0.
+ * dw4: Vertex Position X.
+ * dw5: Vertex Position Y.
+ * dw6: Vertex Position Z.
+ * dw7: Vertex Position W.
+ *
+ * For details, see the Sandybridge PRM, Volume 2, Part 1, Section 1.5.1
+ * "Vertex URB Entry (VUE) Formats".
+ *
+ * Only vertex position X and Y are going to be variable, Z is fixed to
+ * zero and W to one. Header words dw0-3 are all zero. There is no need to
+ * include the fixed values in the vertex buffer. Vertex fetcher can be
+ * instructed to fill vertex elements with constant values of one and zero
+ * instead of reading them from the buffer. See the vertex element setup
+ * below.
+ */
+ {
+ float *vertex_data;
+
+ const float vertices[] = {
+ /* v0 */ (float)params->x0, (float)params->y1,
+ /* v1 */ (float)params->x1, (float)params->y1,
+ /* v2 */ (float)params->x0, (float)params->y0,
+ };
+
+ vertex_data = (float *) brw_state_batch(brw, AUB_TRACE_VERTEX_BUFFER,
+ sizeof(vertices), 32,
+ &vertex_offset);
+ memcpy(vertex_data, vertices, sizeof(vertices));
+
+ const unsigned blorp_num_vue_elems = 2;
+ gen6_blorp_emit_vertex_buffer_state(brw, blorp_num_vue_elems,
+ sizeof(vertices), vertex_offset);
+ }
+
+ /* 3DSTATE_VERTEX_ELEMENTS
+ *
+ * Fetch dwords 0 - 7 from each VUE. See the comments above where
+ * the vertex_bo is filled with data.
+ */
+ {
+ const int num_elements = 2;
+ const int batch_length = 1 + 2 * num_elements;
+
+ BEGIN_BATCH(batch_length);
+ OUT_BATCH((_3DSTATE_VERTEX_ELEMENTS << 16) | (batch_length - 2));
+ /* Element 0 */
+ OUT_BATCH(GEN6_VE0_VALID |
+ BRW_SURFACEFORMAT_R32G32B32A32_FLOAT << BRW_VE0_FORMAT_SHIFT |
+ 0 << BRW_VE0_SRC_OFFSET_SHIFT);
+ OUT_BATCH(BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_0_SHIFT |
+ BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_1_SHIFT |
+ BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_2_SHIFT |
+ BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_3_SHIFT);
+ /* Element 1 */
+ OUT_BATCH(GEN6_VE0_VALID |
+ BRW_SURFACEFORMAT_R32G32_FLOAT << BRW_VE0_FORMAT_SHIFT |
+ 0 << BRW_VE0_SRC_OFFSET_SHIFT);
+ OUT_BATCH(BRW_VE1_COMPONENT_STORE_SRC << BRW_VE1_COMPONENT_0_SHIFT |
+ BRW_VE1_COMPONENT_STORE_SRC << BRW_VE1_COMPONENT_1_SHIFT |
+ BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_2_SHIFT |
+ BRW_VE1_COMPONENT_STORE_1_FLT << BRW_VE1_COMPONENT_3_SHIFT);
+ ADVANCE_BATCH();
+ }
+}
+
+
+/* 3DSTATE_URB
+ *
+ * Assign the entire URB to the VS. Even though the VS disabled, URB space
+ * is still needed because the clipper loads the VUE's from the URB. From
+ * the Sandybridge PRM, Volume 2, Part 1, Section 3DSTATE,
+ * Dword 1.15:0 "VS Number of URB Entries":
+ * This field is always used (even if VS Function Enable is DISABLED).
+ *
+ * The warning below appears in the PRM (Section 3DSTATE_URB), but we can
+ * safely ignore it because this batch contains only one draw call.
+ * Because of URB corruption caused by allocating a previous GS unit
+ * URB entry to the VS unit, software is required to send a “GS NULL
+ * Fence” (Send URB fence with VS URB size == 1 and GS URB size == 0)
+ * plus a dummy DRAW call before any case where VS will be taking over
+ * GS URB space.
+ */
+static void
+gen6_blorp_emit_urb_config(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ BEGIN_BATCH(3);
+ OUT_BATCH(_3DSTATE_URB << 16 | (3 - 2));
+ OUT_BATCH(brw->urb.max_vs_entries << GEN6_URB_VS_ENTRIES_SHIFT);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+
+/* BLEND_STATE */
+uint32_t
+gen6_blorp_emit_blend_state(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ uint32_t cc_blend_state_offset;
+
+ assume(params->num_draw_buffers);
+
+ const unsigned size = params->num_draw_buffers *
+ sizeof(struct gen6_blend_state);
+ struct gen6_blend_state *blend = (struct gen6_blend_state *)
+ brw_state_batch(brw, AUB_TRACE_BLEND_STATE, size, 64,
+ &cc_blend_state_offset);
+
+ memset(blend, 0, size);
+
+ for (unsigned i = 0; i < params->num_draw_buffers; ++i) {
+ blend[i].blend1.pre_blend_clamp_enable = 1;
+ blend[i].blend1.post_blend_clamp_enable = 1;
+ blend[i].blend1.clamp_range = BRW_RENDERTARGET_CLAMPRANGE_FORMAT;
+
+ blend[i].blend1.write_disable_r = params->color_write_disable[0];
+ blend[i].blend1.write_disable_g = params->color_write_disable[1];
+ blend[i].blend1.write_disable_b = params->color_write_disable[2];
+ blend[i].blend1.write_disable_a = params->color_write_disable[3];
+ }
+
+ return cc_blend_state_offset;
+}
+
+
+/* CC_STATE */
+uint32_t
+gen6_blorp_emit_cc_state(struct brw_context *brw)
+{
+ uint32_t cc_state_offset;
+
+ struct gen6_color_calc_state *cc = (struct gen6_color_calc_state *)
+ brw_state_batch(brw, AUB_TRACE_CC_STATE,
+ sizeof(gen6_color_calc_state), 64,
+ &cc_state_offset);
+ memset(cc, 0, sizeof(*cc));
+
+ return cc_state_offset;
+}
+
+
+/**
+ * \param out_offset is relative to
+ * CMD_STATE_BASE_ADDRESS.DynamicStateBaseAddress.
+ */
+uint32_t
+gen6_blorp_emit_depth_stencil_state(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ uint32_t depthstencil_offset;
+
+ struct gen6_depth_stencil_state *state;
+ state = (struct gen6_depth_stencil_state *)
+ brw_state_batch(brw, AUB_TRACE_DEPTH_STENCIL_STATE,
+ sizeof(*state), 64,
+ &depthstencil_offset);
+ memset(state, 0, sizeof(*state));
+
+ /* See the following sections of the Sandy Bridge PRM, Volume 1, Part2:
+ * - 7.5.3.1 Depth Buffer Clear
+ * - 7.5.3.2 Depth Buffer Resolve
+ * - 7.5.3.3 Hierarchical Depth Buffer Resolve
+ */
+ state->ds2.depth_write_enable = 1;
+ if (params->hiz_op == GEN6_HIZ_OP_DEPTH_RESOLVE) {
+ state->ds2.depth_test_enable = 1;
+ state->ds2.depth_test_func = BRW_COMPAREFUNCTION_NEVER;
+ }
+
+ return depthstencil_offset;
+}
+
+
+/* 3DSTATE_CC_STATE_POINTERS
+ *
+ * The pointer offsets are relative to
+ * CMD_STATE_BASE_ADDRESS.DynamicStateBaseAddress.
+ *
+ * The HiZ op doesn't use BLEND_STATE or COLOR_CALC_STATE.
+ */
+static void
+gen6_blorp_emit_cc_state_pointers(struct brw_context *brw,
+ const struct brw_blorp_params *params,
+ uint32_t cc_blend_state_offset,
+ uint32_t depthstencil_offset,
+ uint32_t cc_state_offset)
+{
+ BEGIN_BATCH(4);
+ OUT_BATCH(_3DSTATE_CC_STATE_POINTERS << 16 | (4 - 2));
+ OUT_BATCH(cc_blend_state_offset | 1); /* BLEND_STATE offset */
+ OUT_BATCH(depthstencil_offset | 1); /* DEPTH_STENCIL_STATE offset */
+ OUT_BATCH(cc_state_offset | 1); /* COLOR_CALC_STATE offset */
+ ADVANCE_BATCH();
+}
+
+
+/* WM push constants */
+uint32_t
+gen6_blorp_emit_wm_constants(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ uint32_t wm_push_const_offset;
+
+ void *constants = brw_state_batch(brw, AUB_TRACE_WM_CONSTANTS,
+ sizeof(params->wm_push_consts),
+ 32, &wm_push_const_offset);
+ memcpy(constants, ¶ms->wm_push_consts,
+ sizeof(params->wm_push_consts));
+
+ return wm_push_const_offset;
+}
+
+
+/* SURFACE_STATE for renderbuffer or texture surface (see
+ * brw_update_renderbuffer_surface and brw_update_texture_surface)
+ */
+static uint32_t
+gen6_blorp_emit_surface_state(struct brw_context *brw,
+ const struct brw_blorp_params *params,
+ const struct brw_blorp_surface_info *surface,
+ uint32_t read_domains, uint32_t write_domain)
+{
+ uint32_t wm_surf_offset;
+ uint32_t width = surface->width;
+ uint32_t height = surface->height;
+ if (surface->num_samples > 1) {
+ /* Since gen6 uses INTEL_MSAA_LAYOUT_IMS, width and height are measured
+ * in samples. But SURFACE_STATE wants them in pixels, so we need to
+ * divide them each by 2.
+ */
+ width /= 2;
+ height /= 2;
+ }
+ struct intel_mipmap_tree *mt = surface->mt;
+ uint32_t tile_x, tile_y;
+
+ uint32_t *surf = (uint32_t *)
+ brw_state_batch(brw, AUB_TRACE_SURFACE_STATE, 6 * 4, 32,
+ &wm_surf_offset);
+
+ surf[0] = (BRW_SURFACE_2D << BRW_SURFACE_TYPE_SHIFT |
+ BRW_SURFACE_MIPMAPLAYOUT_BELOW << BRW_SURFACE_MIPLAYOUT_SHIFT |
+ BRW_SURFACE_CUBEFACE_ENABLES |
+ surface->brw_surfaceformat << BRW_SURFACE_FORMAT_SHIFT);
+
+ /* reloc */
+ surf[1] = (brw_blorp_compute_tile_offsets(surface, &tile_x, &tile_y) +
+ mt->bo->offset64);
+
+ surf[2] = (0 << BRW_SURFACE_LOD_SHIFT |
+ (width - 1) << BRW_SURFACE_WIDTH_SHIFT |
+ (height - 1) << BRW_SURFACE_HEIGHT_SHIFT);
+
+ uint32_t tiling = surface->map_stencil_as_y_tiled
+ ? BRW_SURFACE_TILED | BRW_SURFACE_TILED_Y
+ : brw_get_surface_tiling_bits(mt->tiling);
+ uint32_t pitch_bytes = mt->pitch;
+ if (surface->map_stencil_as_y_tiled)
+ pitch_bytes *= 2;
+ surf[3] = (tiling |
+ 0 << BRW_SURFACE_DEPTH_SHIFT |
+ (pitch_bytes - 1) << BRW_SURFACE_PITCH_SHIFT);
+
+ surf[4] = brw_get_surface_num_multisamples(surface->num_samples);
+
+ /* Note that the low bits of these fields are missing, so
+ * there's the possibility of getting in trouble.
+ */
+ assert(tile_x % 4 == 0);
+ assert(tile_y % 2 == 0);
+ surf[5] = ((tile_x / 4) << BRW_SURFACE_X_OFFSET_SHIFT |
+ (tile_y / 2) << BRW_SURFACE_Y_OFFSET_SHIFT |
+ (surface->mt->valign == 4 ?
+ BRW_SURFACE_VERTICAL_ALIGN_ENABLE : 0));
+
+ /* Emit relocation to surface contents */
+ drm_intel_bo_emit_reloc(brw->batch.bo,
+ wm_surf_offset + 4,
+ mt->bo,
+ surf[1] - mt->bo->offset64,
+ read_domains, write_domain);
+
+ return wm_surf_offset;
+}
+
+
+/* BINDING_TABLE. See brw_wm_binding_table(). */
+uint32_t
+gen6_blorp_emit_binding_table(struct brw_context *brw,
+ uint32_t wm_surf_offset_renderbuffer,
+ uint32_t wm_surf_offset_texture)
+{
+ uint32_t wm_bind_bo_offset;
+ uint32_t *bind = (uint32_t *)
+ brw_state_batch(brw, AUB_TRACE_BINDING_TABLE,
+ sizeof(uint32_t) *
+ BRW_BLORP_NUM_BINDING_TABLE_ENTRIES,
+ 32, /* alignment */
+ &wm_bind_bo_offset);
+ bind[BRW_BLORP_RENDERBUFFER_BINDING_TABLE_INDEX] =
+ wm_surf_offset_renderbuffer;
+ bind[BRW_BLORP_TEXTURE_BINDING_TABLE_INDEX] = wm_surf_offset_texture;
+
+ return wm_bind_bo_offset;
+}
+
+
+/**
+ * SAMPLER_STATE. See brw_update_sampler_state().
+ */
+uint32_t
+gen6_blorp_emit_sampler_state(struct brw_context *brw,
+ unsigned tex_filter, unsigned max_lod,
+ bool non_normalized_coords)
+{
+ uint32_t sampler_offset;
+ uint32_t *sampler_state = (uint32_t *)
+ brw_state_batch(brw, AUB_TRACE_SAMPLER_STATE, 16, 32, &sampler_offset);
+
+ unsigned address_rounding = BRW_ADDRESS_ROUNDING_ENABLE_U_MIN |
+ BRW_ADDRESS_ROUNDING_ENABLE_V_MIN |
+ BRW_ADDRESS_ROUNDING_ENABLE_R_MIN |
+ BRW_ADDRESS_ROUNDING_ENABLE_U_MAG |
+ BRW_ADDRESS_ROUNDING_ENABLE_V_MAG |
+ BRW_ADDRESS_ROUNDING_ENABLE_R_MAG;
+
+ /* XXX: I don't think that using firstLevel, lastLevel works,
+ * because we always setup the surface state as if firstLevel ==
+ * level zero. Probably have to subtract firstLevel from each of
+ * these:
+ */
+ brw_emit_sampler_state(brw,
+ sampler_state,
+ sampler_offset,
+ tex_filter, /* min filter */
+ tex_filter, /* mag filter */
+ BRW_MIPFILTER_NONE,
+ BRW_ANISORATIO_2,
+ address_rounding,
+ BRW_TEXCOORDMODE_CLAMP,
+ BRW_TEXCOORDMODE_CLAMP,
+ BRW_TEXCOORDMODE_CLAMP,
+ 0, /* min LOD */
+ max_lod,
+ 0, /* LOD bias */
+ 0, /* shadow function */
+ non_normalized_coords,
+ 0); /* border color offset - unused */
+
+ return sampler_offset;
+}
+
+
+/**
+ * 3DSTATE_SAMPLER_STATE_POINTERS. See upload_sampler_state_pointers().
+ */
+static void
+gen6_blorp_emit_sampler_state_pointers(struct brw_context *brw,
+ uint32_t sampler_offset)
+{
+ BEGIN_BATCH(4);
+ OUT_BATCH(_3DSTATE_SAMPLER_STATE_POINTERS << 16 |
+ VS_SAMPLER_STATE_CHANGE |
+ GS_SAMPLER_STATE_CHANGE |
+ PS_SAMPLER_STATE_CHANGE |
+ (4 - 2));
+ OUT_BATCH(0); /* VS */
+ OUT_BATCH(0); /* GS */
+ OUT_BATCH(sampler_offset);
+ ADVANCE_BATCH();
+}
+
+
+/* 3DSTATE_VS
+ *
+ * Disable vertex shader.
+ */
+void
+gen6_blorp_emit_vs_disable(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ /* From the BSpec, 3D Pipeline > Geometry > Vertex Shader > State,
+ * 3DSTATE_VS, Dword 5.0 "VS Function Enable":
+ *
+ * [DevSNB] A pipeline flush must be programmed prior to a
+ * 3DSTATE_VS command that causes the VS Function Enable to
+ * toggle. Pipeline flush can be executed by sending a PIPE_CONTROL
+ * command with CS stall bit set and a post sync operation.
+ *
+ * We've already done one at the start of the BLORP operation.
+ */
+
+ /* Disable the push constant buffers. */
+ BEGIN_BATCH(5);
+ OUT_BATCH(_3DSTATE_CONSTANT_VS << 16 | (5 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+
+ BEGIN_BATCH(6);
+ OUT_BATCH(_3DSTATE_VS << 16 | (6 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+
+/* 3DSTATE_GS
+ *
+ * Disable the geometry shader.
+ */
+void
+gen6_blorp_emit_gs_disable(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ /* Disable all the constant buffers. */
+ BEGIN_BATCH(5);
+ OUT_BATCH(_3DSTATE_CONSTANT_GS << 16 | (5 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+
+ BEGIN_BATCH(7);
+ OUT_BATCH(_3DSTATE_GS << 16 | (7 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+ brw->gs.enabled = false;
+}
+
+
+/* 3DSTATE_CLIP
+ *
+ * Disable the clipper.
+ *
+ * The BLORP op emits a rectangle primitive, which requires clipping to
+ * be disabled. From page 10 of the Sandy Bridge PRM Volume 2 Part 1
+ * Section 1.3 "3D Primitives Overview":
+ * RECTLIST:
+ * Either the CLIP unit should be DISABLED, or the CLIP unit's Clip
+ * Mode should be set to a value other than CLIPMODE_NORMAL.
+ *
+ * Also disable perspective divide. This doesn't change the clipper's
+ * output, but does spare a few electrons.
+ */
+void
+gen6_blorp_emit_clip_disable(struct brw_context *brw)
+{
+ BEGIN_BATCH(4);
+ OUT_BATCH(_3DSTATE_CLIP << 16 | (4 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(GEN6_CLIP_PERSPECTIVE_DIVIDE_DISABLE);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+
+/* 3DSTATE_SF
+ *
+ * Disable ViewportTransformEnable (dw2.1)
+ *
+ * From the SandyBridge PRM, Volume 2, Part 1, Section 1.3, "3D
+ * Primitives Overview":
+ * RECTLIST: Viewport Mapping must be DISABLED (as is typical with the
+ * use of screen- space coordinates).
+ *
+ * A solid rectangle must be rendered, so set FrontFaceFillMode (dw2.4:3)
+ * and BackFaceFillMode (dw2.5:6) to SOLID(0).
+ *
+ * From the Sandy Bridge PRM, Volume 2, Part 1, Section
+ * 6.4.1.1 3DSTATE_SF, Field FrontFaceFillMode:
+ * SOLID: Any triangle or rectangle object found to be front-facing
+ * is rendered as a solid object. This setting is required when
+ * (rendering rectangle (RECTLIST) objects.
+ */
+static void
+gen6_blorp_emit_sf_config(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ BEGIN_BATCH(20);
+ OUT_BATCH(_3DSTATE_SF << 16 | (20 - 2));
+ OUT_BATCH(params->num_varyings << GEN6_SF_NUM_OUTPUTS_SHIFT |
+ 1 << GEN6_SF_URB_ENTRY_READ_LENGTH_SHIFT |
+ BRW_SF_URB_ENTRY_READ_OFFSET <<
+ GEN6_SF_URB_ENTRY_READ_OFFSET_SHIFT);
+ OUT_BATCH(0); /* dw2 */
+ OUT_BATCH(params->dst.num_samples > 1 ? GEN6_SF_MSRAST_ON_PATTERN : 0);
+ for (int i = 0; i < 16; ++i)
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+
+/**
+ * Enable or disable thread dispatch and set the HiZ op appropriately.
+ */
+static void
+gen6_blorp_emit_wm_config(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ const struct brw_blorp_prog_data *prog_data = params->wm_prog_data;
+ uint32_t dw2, dw4, dw5, dw6;
+
+ /* Even when thread dispatch is disabled, max threads (dw5.25:31) must be
+ * nonzero to prevent the GPU from hanging. While the documentation doesn't
+ * mention this explicitly, it notes that the valid range for the field is
+ * [1,39] = [2,40] threads, which excludes zero.
+ *
+ * To be safe (and to minimize extraneous code) we go ahead and fully
+ * configure the WM state whether or not there is a WM program.
+ */
+
+ dw2 = dw4 = dw5 = dw6 = 0;
+ switch (params->hiz_op) {
+ case GEN6_HIZ_OP_DEPTH_CLEAR:
+ dw4 |= GEN6_WM_DEPTH_CLEAR;
+ break;
+ case GEN6_HIZ_OP_DEPTH_RESOLVE:
+ dw4 |= GEN6_WM_DEPTH_RESOLVE;
+ break;
+ case GEN6_HIZ_OP_HIZ_RESOLVE:
+ dw4 |= GEN6_WM_HIERARCHICAL_DEPTH_RESOLVE;
+ break;
+ case GEN6_HIZ_OP_NONE:
+ break;
+ default:
+ unreachable("not reached");
+ }
+ dw5 |= GEN6_WM_LINE_AA_WIDTH_1_0;
+ dw5 |= GEN6_WM_LINE_END_CAP_AA_WIDTH_0_5;
+ dw5 |= (brw->max_wm_threads - 1) << GEN6_WM_MAX_THREADS_SHIFT;
+ dw6 |= 0 << GEN6_WM_BARYCENTRIC_INTERPOLATION_MODE_SHIFT; /* No interp */
+ dw6 |= 0 << GEN6_WM_NUM_SF_OUTPUTS_SHIFT; /* No inputs from SF */
+ if (params->wm_prog_data) {
+ dw4 |= prog_data->first_curbe_grf << GEN6_WM_DISPATCH_START_GRF_SHIFT_0;
+ dw5 |= GEN6_WM_16_DISPATCH_ENABLE;
+ dw5 |= GEN6_WM_DISPATCH_ENABLE; /* We are rendering */
+ }
+
+ if (params->src.mt) {
+ dw5 |= GEN6_WM_KILL_ENABLE; /* TODO: temporarily smash on */
+ dw2 |= 1 << GEN6_WM_SAMPLER_COUNT_SHIFT; /* Up to 4 samplers */
+ }
+
+ if (params->dst.num_samples > 1) {
+ dw6 |= GEN6_WM_MSRAST_ON_PATTERN;
+ if (prog_data && prog_data->persample_msaa_dispatch)
+ dw6 |= GEN6_WM_MSDISPMODE_PERSAMPLE;
+ else
+ dw6 |= GEN6_WM_MSDISPMODE_PERPIXEL;
+ } else {
+ dw6 |= GEN6_WM_MSRAST_OFF_PIXEL;
+ dw6 |= GEN6_WM_MSDISPMODE_PERSAMPLE;
+ }
+
+ BEGIN_BATCH(9);
+ OUT_BATCH(_3DSTATE_WM << 16 | (9 - 2));
+ OUT_BATCH(params->wm_prog_kernel);
+ OUT_BATCH(dw2);
+ OUT_BATCH(0); /* No scratch needed */
+ OUT_BATCH(dw4);
+ OUT_BATCH(dw5);
+ OUT_BATCH(dw6);
+ OUT_BATCH(0); /* No other programs */
+ OUT_BATCH(0); /* No other programs */
+ ADVANCE_BATCH();
+}
+
+
+static void
+gen6_blorp_emit_constant_ps(struct brw_context *brw,
+ const struct brw_blorp_params *params,
+ uint32_t wm_push_const_offset)
+{
+ /* Make sure the push constants fill an exact integer number of
+ * registers.
+ */
+ assert(sizeof(struct brw_blorp_wm_push_constants) % 32 == 0);
+
+ /* There must be at least one register worth of push constant data. */
+ assert(BRW_BLORP_NUM_PUSH_CONST_REGS > 0);
+
+ /* Enable push constant buffer 0. */
+ BEGIN_BATCH(5);
+ OUT_BATCH(_3DSTATE_CONSTANT_PS << 16 |
+ GEN6_CONSTANT_BUFFER_0_ENABLE |
+ (5 - 2));
+ OUT_BATCH(wm_push_const_offset + (BRW_BLORP_NUM_PUSH_CONST_REGS - 1));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+static void
+gen6_blorp_emit_constant_ps_disable(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ /* Disable the push constant buffers. */
+ BEGIN_BATCH(5);
+ OUT_BATCH(_3DSTATE_CONSTANT_PS << 16 | (5 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+/**
+ * 3DSTATE_BINDING_TABLE_POINTERS
+ */
+static void
+gen6_blorp_emit_binding_table_pointers(struct brw_context *brw,
+ uint32_t wm_bind_bo_offset)
+{
+ BEGIN_BATCH(4);
+ OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS << 16 |
+ GEN6_BINDING_TABLE_MODIFY_PS |
+ (4 - 2));
+ OUT_BATCH(0); /* vs -- ignored */
+ OUT_BATCH(0); /* gs -- ignored */
+ OUT_BATCH(wm_bind_bo_offset); /* wm/ps */
+ ADVANCE_BATCH();
+}
+
+
+static void
+gen6_blorp_emit_depth_stencil_config(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ uint32_t surfwidth, surfheight;
+ uint32_t surftype;
+ unsigned int depth = MAX2(params->depth.mt->logical_depth0, 1);
+ GLenum gl_target = params->depth.mt->target;
+ unsigned int lod;
+
+ switch (gl_target) {
+ case GL_TEXTURE_CUBE_MAP_ARRAY:
+ case GL_TEXTURE_CUBE_MAP:
+ /* The PRM claims that we should use BRW_SURFACE_CUBE for this
+ * situation, but experiments show that gl_Layer doesn't work when we do
+ * this. So we use BRW_SURFACE_2D, since for rendering purposes this is
+ * equivalent.
+ */
+ surftype = BRW_SURFACE_2D;
+ depth *= 6;
+ break;
+ default:
+ surftype = translate_tex_target(gl_target);
+ break;
+ }
+
+ const unsigned min_array_element = params->depth.layer;
+
+ lod = params->depth.level - params->depth.mt->first_level;
+
+ if (params->hiz_op != GEN6_HIZ_OP_NONE && lod == 0) {
+ /* HIZ ops for lod 0 may set the width & height a little
+ * larger to allow the fast depth clear to fit the hardware
+ * alignment requirements. (8x4)
+ */
+ surfwidth = params->depth.width;
+ surfheight = params->depth.height;
+ } else {
+ surfwidth = params->depth.mt->logical_width0;
+ surfheight = params->depth.mt->logical_height0;
+ }
+
+ /* 3DSTATE_DEPTH_BUFFER */
+ {
+ brw_emit_depth_stall_flushes(brw);
+
+ BEGIN_BATCH(7);
+ /* 3DSTATE_DEPTH_BUFFER dw0 */
+ OUT_BATCH(_3DSTATE_DEPTH_BUFFER << 16 | (7 - 2));
+
+ /* 3DSTATE_DEPTH_BUFFER dw1 */
+ OUT_BATCH((params->depth.mt->pitch - 1) |
+ params->depth_format << 18 |
+ 1 << 21 | /* separate stencil enable */
+ 1 << 22 | /* hiz enable */
+ BRW_TILEWALK_YMAJOR << 26 |
+ 1 << 27 | /* y-tiled */
+ surftype << 29);
+
+ /* 3DSTATE_DEPTH_BUFFER dw2 */
+ OUT_RELOC(params->depth.mt->bo,
+ I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
+ 0);
+
+ /* 3DSTATE_DEPTH_BUFFER dw3 */
+ OUT_BATCH(BRW_SURFACE_MIPMAPLAYOUT_BELOW << 1 |
+ (surfwidth - 1) << 6 |
+ (surfheight - 1) << 19 |
+ lod << 2);
+
+ /* 3DSTATE_DEPTH_BUFFER dw4 */
+ OUT_BATCH((depth - 1) << 21 |
+ min_array_element << 10 |
+ (depth - 1) << 1);
+
+ /* 3DSTATE_DEPTH_BUFFER dw5 */
+ OUT_BATCH(0);
+
+ /* 3DSTATE_DEPTH_BUFFER dw6 */
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+ }
+
+ /* 3DSTATE_HIER_DEPTH_BUFFER */
+ {
+ struct intel_mipmap_tree *hiz_mt = params->depth.mt->hiz_buf->mt;
+ uint32_t offset = 0;
+
+ if (hiz_mt->array_layout == ALL_SLICES_AT_EACH_LOD) {
+ offset = intel_miptree_get_aligned_offset(hiz_mt,
+ hiz_mt->level[lod].level_x,
+ hiz_mt->level[lod].level_y,
+ false);
+ }
+
+ BEGIN_BATCH(3);
+ OUT_BATCH((_3DSTATE_HIER_DEPTH_BUFFER << 16) | (3 - 2));
+ OUT_BATCH(hiz_mt->pitch - 1);
+ OUT_RELOC(hiz_mt->bo,
+ I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
+ offset);
+ ADVANCE_BATCH();
+ }
+
+ /* 3DSTATE_STENCIL_BUFFER */
+ {
+ BEGIN_BATCH(3);
+ OUT_BATCH((_3DSTATE_STENCIL_BUFFER << 16) | (3 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+ }
+}
+
+
+static void
+gen6_blorp_emit_depth_disable(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ brw_emit_depth_stall_flushes(brw);
+
+ BEGIN_BATCH(7);
+ OUT_BATCH(_3DSTATE_DEPTH_BUFFER << 16 | (7 - 2));
+ OUT_BATCH((BRW_DEPTHFORMAT_D32_FLOAT << 18) |
+ (BRW_SURFACE_NULL << 29));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+
+ BEGIN_BATCH(3);
+ OUT_BATCH(_3DSTATE_HIER_DEPTH_BUFFER << 16 | (3 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+
+ BEGIN_BATCH(3);
+ OUT_BATCH(_3DSTATE_STENCIL_BUFFER << 16 | (3 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+
+/* 3DSTATE_CLEAR_PARAMS
+ *
+ * From the Sandybridge PRM, Volume 2, Part 1, Section 3DSTATE_CLEAR_PARAMS:
+ * [DevSNB] 3DSTATE_CLEAR_PARAMS packet must follow the DEPTH_BUFFER_STATE
+ * packet when HiZ is enabled and the DEPTH_BUFFER_STATE changes.
+ */
+static void
+gen6_blorp_emit_clear_params(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ BEGIN_BATCH(2);
+ OUT_BATCH(_3DSTATE_CLEAR_PARAMS << 16 |
+ GEN5_DEPTH_CLEAR_VALID |
+ (2 - 2));
+ OUT_BATCH(params->depth.mt ? params->depth.mt->depth_clear_value : 0);
+ ADVANCE_BATCH();
+}
+
+
+/* 3DSTATE_DRAWING_RECTANGLE */
+void
+gen6_blorp_emit_drawing_rectangle(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ BEGIN_BATCH(4);
+ OUT_BATCH(_3DSTATE_DRAWING_RECTANGLE << 16 | (4 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(((MAX2(params->x1, params->x0) - 1) & 0xffff) |
+ ((MAX2(params->y1, params->y0) - 1) << 16));
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+/* 3DSTATE_VIEWPORT_STATE_POINTERS */
+static void
+gen6_blorp_emit_viewport_state(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ struct brw_cc_viewport *ccv;
+ uint32_t cc_vp_offset;
+
+ ccv = (struct brw_cc_viewport *)brw_state_batch(brw, AUB_TRACE_CC_VP_STATE,
+ sizeof(*ccv), 32,
+ &cc_vp_offset);
+
+ ccv->min_depth = 0.0;
+ ccv->max_depth = 1.0;
+
+ BEGIN_BATCH(4);
+ OUT_BATCH(_3DSTATE_VIEWPORT_STATE_POINTERS << 16 | (4 - 2) |
+ GEN6_CC_VIEWPORT_MODIFY);
+ OUT_BATCH(0); /* clip VP */
+ OUT_BATCH(0); /* SF VP */
+ OUT_BATCH(cc_vp_offset);
+ ADVANCE_BATCH();
+}
+
+
+/* 3DPRIMITIVE */
+static void
+gen6_blorp_emit_primitive(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ BEGIN_BATCH(6);
+ OUT_BATCH(CMD_3D_PRIM << 16 | (6 - 2) |
+ _3DPRIM_RECTLIST << GEN4_3DPRIM_TOPOLOGY_TYPE_SHIFT |
+ GEN4_3DPRIM_VERTEXBUFFER_ACCESS_SEQUENTIAL);
+ OUT_BATCH(3); /* vertex count per instance */
+ OUT_BATCH(0);
+ OUT_BATCH(params->num_layers); /* instance count */
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+/**
+ * \brief Execute a blit or render pass operation.
+ *
+ * To execute the operation, this function manually constructs and emits a
+ * batch to draw a rectangle primitive. The batchbuffer is flushed before
+ * constructing and after emitting the batch.
+ *
+ * This function alters no GL state.
+ */
+void
+gen6_blorp_exec(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ uint32_t cc_blend_state_offset = 0;
+ uint32_t cc_state_offset = 0;
+ uint32_t depthstencil_offset;
+ uint32_t wm_push_const_offset = 0;
+ uint32_t wm_bind_bo_offset = 0;
+
+ /* Emit workaround flushes when we switch from drawing to blorping. */
+ brw_emit_post_sync_nonzero_flush(brw);
+
+ if (brw_state_base_address.dirty.brw & brw->ctx.NewDriverState)
+ brw_state_base_address.emit(brw);
+
+ gen6_emit_3dstate_multisample(brw, params->dst.num_samples);
+ gen6_emit_3dstate_sample_mask(brw,
+ params->dst.num_samples > 1 ?
+ (1 << params->dst.num_samples) - 1 : 1);
+ gen6_blorp_emit_vertices(brw, params);
+ gen6_blorp_emit_urb_config(brw, params);
+ if (params->wm_prog_data) {
+ cc_blend_state_offset = gen6_blorp_emit_blend_state(brw, params);
+ cc_state_offset = gen6_blorp_emit_cc_state(brw);
+ }
+ depthstencil_offset = gen6_blorp_emit_depth_stencil_state(brw, params);
+ gen6_blorp_emit_cc_state_pointers(brw, params, cc_blend_state_offset,
+ depthstencil_offset, cc_state_offset);
+ if (params->wm_prog_data) {
+ uint32_t wm_surf_offset_renderbuffer;
+ uint32_t wm_surf_offset_texture = 0;
+ wm_push_const_offset = gen6_blorp_emit_wm_constants(brw, params);
+ intel_miptree_used_for_rendering(params->dst.mt);
+ wm_surf_offset_renderbuffer =
+ gen6_blorp_emit_surface_state(brw, params, ¶ms->dst,
+ I915_GEM_DOMAIN_RENDER,
+ I915_GEM_DOMAIN_RENDER);
+ if (params->src.mt) {
+ wm_surf_offset_texture =
+ gen6_blorp_emit_surface_state(brw, params, ¶ms->src,
+ I915_GEM_DOMAIN_SAMPLER, 0);
+ }
+ wm_bind_bo_offset =
+ gen6_blorp_emit_binding_table(brw,
+ wm_surf_offset_renderbuffer,
+ wm_surf_offset_texture);
+ }
+
+ if (params->src.mt) {
+ const uint32_t sampler_offset =
+ gen6_blorp_emit_sampler_state(brw, BRW_MAPFILTER_LINEAR, 0, true);
+ gen6_blorp_emit_sampler_state_pointers(brw, sampler_offset);
+ }
+ gen6_blorp_emit_vs_disable(brw, params);
+ gen6_blorp_emit_gs_disable(brw, params);
+ gen6_blorp_emit_clip_disable(brw);
+ gen6_blorp_emit_sf_config(brw, params);
+ if (params->wm_prog_data)
+ gen6_blorp_emit_constant_ps(brw, params, wm_push_const_offset);
+ else
+ gen6_blorp_emit_constant_ps_disable(brw, params);
+ gen6_blorp_emit_wm_config(brw, params);
+ if (params->wm_prog_data)
+ gen6_blorp_emit_binding_table_pointers(brw, wm_bind_bo_offset);
+ gen6_blorp_emit_viewport_state(brw, params);
+
+ if (params->depth.mt)
+ gen6_blorp_emit_depth_stencil_config(brw, params);
+ else
+ gen6_blorp_emit_depth_disable(brw, params);
+ gen6_blorp_emit_clear_params(brw, params);
+ gen6_blorp_emit_drawing_rectangle(brw, params);
+ gen6_blorp_emit_primitive(brw, params);
+}
+++ /dev/null
-/*
- * Copyright © 2011 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
-
-#include <assert.h>
-
-#include "intel_batchbuffer.h"
-#include "intel_mipmap_tree.h"
-
-#include "brw_context.h"
-#include "brw_state.h"
-
-#include "brw_blorp.h"
-
-static void
-gen6_blorp_emit_vertex_buffer_state(struct brw_context *brw,
- unsigned num_elems,
- unsigned vbo_size,
- uint32_t vertex_offset)
-{
- /* 3DSTATE_VERTEX_BUFFERS */
- const int num_buffers = 1;
- const int batch_length = 1 + 4 * num_buffers;
-
- uint32_t dw0 = GEN6_VB0_ACCESS_VERTEXDATA |
- (num_elems * sizeof(float)) << BRW_VB0_PITCH_SHIFT;
-
- if (brw->gen >= 7)
- dw0 |= GEN7_VB0_ADDRESS_MODIFYENABLE;
-
- switch (brw->gen) {
- case 7:
- dw0 |= GEN7_MOCS_L3 << 16;
- break;
- case 8:
- dw0 |= BDW_MOCS_WB << 16;
- break;
- case 9:
- dw0 |= SKL_MOCS_WB << 16;
- break;
- }
-
- BEGIN_BATCH(batch_length);
- OUT_BATCH((_3DSTATE_VERTEX_BUFFERS << 16) | (batch_length - 2));
- OUT_BATCH(dw0);
- if (brw->gen >= 8) {
- OUT_RELOC64(brw->batch.bo, I915_GEM_DOMAIN_VERTEX, 0, vertex_offset);
- OUT_BATCH(vbo_size);
- } else {
- /* start address */
- OUT_RELOC(brw->batch.bo, I915_GEM_DOMAIN_VERTEX, 0,
- vertex_offset);
- /* end address */
- OUT_RELOC(brw->batch.bo, I915_GEM_DOMAIN_VERTEX, 0,
- vertex_offset + vbo_size - 1);
- OUT_BATCH(0);
- }
- ADVANCE_BATCH();
-}
-
-void
-gen6_blorp_emit_vertices(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- uint32_t vertex_offset;
-
- /* Setup VBO for the rectangle primitive..
- *
- * A rectangle primitive (3DPRIM_RECTLIST) consists of only three
- * vertices. The vertices reside in screen space with DirectX coordinates
- * (that is, (0, 0) is the upper left corner).
- *
- * v2 ------ implied
- * | |
- * | |
- * v0 ----- v1
- *
- * Since the VS is disabled, the clipper loads each VUE directly from
- * the URB. This is controlled by the 3DSTATE_VERTEX_BUFFERS and
- * 3DSTATE_VERTEX_ELEMENTS packets below. The VUE contents are as follows:
- * dw0: Reserved, MBZ.
- * dw1: Render Target Array Index. The HiZ op does not use indexed
- * vertices, so set the dword to 0.
- * dw2: Viewport Index. The HiZ op disables viewport mapping and
- * scissoring, so set the dword to 0.
- * dw3: Point Width: The HiZ op does not emit the POINTLIST primitive, so
- * set the dword to 0.
- * dw4: Vertex Position X.
- * dw5: Vertex Position Y.
- * dw6: Vertex Position Z.
- * dw7: Vertex Position W.
- *
- * For details, see the Sandybridge PRM, Volume 2, Part 1, Section 1.5.1
- * "Vertex URB Entry (VUE) Formats".
- *
- * Only vertex position X and Y are going to be variable, Z is fixed to
- * zero and W to one. Header words dw0-3 are all zero. There is no need to
- * include the fixed values in the vertex buffer. Vertex fetcher can be
- * instructed to fill vertex elements with constant values of one and zero
- * instead of reading them from the buffer. See the vertex element setup
- * below.
- */
- {
- float *vertex_data;
-
- const float vertices[] = {
- /* v0 */ (float)params->x0, (float)params->y1,
- /* v1 */ (float)params->x1, (float)params->y1,
- /* v2 */ (float)params->x0, (float)params->y0,
- };
-
- vertex_data = (float *) brw_state_batch(brw, AUB_TRACE_VERTEX_BUFFER,
- sizeof(vertices), 32,
- &vertex_offset);
- memcpy(vertex_data, vertices, sizeof(vertices));
-
- const unsigned blorp_num_vue_elems = 2;
- gen6_blorp_emit_vertex_buffer_state(brw, blorp_num_vue_elems,
- sizeof(vertices), vertex_offset);
- }
-
- /* 3DSTATE_VERTEX_ELEMENTS
- *
- * Fetch dwords 0 - 7 from each VUE. See the comments above where
- * the vertex_bo is filled with data.
- */
- {
- const int num_elements = 2;
- const int batch_length = 1 + 2 * num_elements;
-
- BEGIN_BATCH(batch_length);
- OUT_BATCH((_3DSTATE_VERTEX_ELEMENTS << 16) | (batch_length - 2));
- /* Element 0 */
- OUT_BATCH(GEN6_VE0_VALID |
- BRW_SURFACEFORMAT_R32G32B32A32_FLOAT << BRW_VE0_FORMAT_SHIFT |
- 0 << BRW_VE0_SRC_OFFSET_SHIFT);
- OUT_BATCH(BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_0_SHIFT |
- BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_1_SHIFT |
- BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_2_SHIFT |
- BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_3_SHIFT);
- /* Element 1 */
- OUT_BATCH(GEN6_VE0_VALID |
- BRW_SURFACEFORMAT_R32G32_FLOAT << BRW_VE0_FORMAT_SHIFT |
- 0 << BRW_VE0_SRC_OFFSET_SHIFT);
- OUT_BATCH(BRW_VE1_COMPONENT_STORE_SRC << BRW_VE1_COMPONENT_0_SHIFT |
- BRW_VE1_COMPONENT_STORE_SRC << BRW_VE1_COMPONENT_1_SHIFT |
- BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_2_SHIFT |
- BRW_VE1_COMPONENT_STORE_1_FLT << BRW_VE1_COMPONENT_3_SHIFT);
- ADVANCE_BATCH();
- }
-}
-
-
-/* 3DSTATE_URB
- *
- * Assign the entire URB to the VS. Even though the VS disabled, URB space
- * is still needed because the clipper loads the VUE's from the URB. From
- * the Sandybridge PRM, Volume 2, Part 1, Section 3DSTATE,
- * Dword 1.15:0 "VS Number of URB Entries":
- * This field is always used (even if VS Function Enable is DISABLED).
- *
- * The warning below appears in the PRM (Section 3DSTATE_URB), but we can
- * safely ignore it because this batch contains only one draw call.
- * Because of URB corruption caused by allocating a previous GS unit
- * URB entry to the VS unit, software is required to send a “GS NULL
- * Fence” (Send URB fence with VS URB size == 1 and GS URB size == 0)
- * plus a dummy DRAW call before any case where VS will be taking over
- * GS URB space.
- */
-static void
-gen6_blorp_emit_urb_config(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- BEGIN_BATCH(3);
- OUT_BATCH(_3DSTATE_URB << 16 | (3 - 2));
- OUT_BATCH(brw->urb.max_vs_entries << GEN6_URB_VS_ENTRIES_SHIFT);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-
-/* BLEND_STATE */
-uint32_t
-gen6_blorp_emit_blend_state(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- uint32_t cc_blend_state_offset;
-
- assume(params->num_draw_buffers);
-
- const unsigned size = params->num_draw_buffers *
- sizeof(struct gen6_blend_state);
- struct gen6_blend_state *blend = (struct gen6_blend_state *)
- brw_state_batch(brw, AUB_TRACE_BLEND_STATE, size, 64,
- &cc_blend_state_offset);
-
- memset(blend, 0, size);
-
- for (unsigned i = 0; i < params->num_draw_buffers; ++i) {
- blend[i].blend1.pre_blend_clamp_enable = 1;
- blend[i].blend1.post_blend_clamp_enable = 1;
- blend[i].blend1.clamp_range = BRW_RENDERTARGET_CLAMPRANGE_FORMAT;
-
- blend[i].blend1.write_disable_r = params->color_write_disable[0];
- blend[i].blend1.write_disable_g = params->color_write_disable[1];
- blend[i].blend1.write_disable_b = params->color_write_disable[2];
- blend[i].blend1.write_disable_a = params->color_write_disable[3];
- }
-
- return cc_blend_state_offset;
-}
-
-
-/* CC_STATE */
-uint32_t
-gen6_blorp_emit_cc_state(struct brw_context *brw)
-{
- uint32_t cc_state_offset;
-
- struct gen6_color_calc_state *cc = (struct gen6_color_calc_state *)
- brw_state_batch(brw, AUB_TRACE_CC_STATE,
- sizeof(gen6_color_calc_state), 64,
- &cc_state_offset);
- memset(cc, 0, sizeof(*cc));
-
- return cc_state_offset;
-}
-
-
-/**
- * \param out_offset is relative to
- * CMD_STATE_BASE_ADDRESS.DynamicStateBaseAddress.
- */
-uint32_t
-gen6_blorp_emit_depth_stencil_state(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- uint32_t depthstencil_offset;
-
- struct gen6_depth_stencil_state *state;
- state = (struct gen6_depth_stencil_state *)
- brw_state_batch(brw, AUB_TRACE_DEPTH_STENCIL_STATE,
- sizeof(*state), 64,
- &depthstencil_offset);
- memset(state, 0, sizeof(*state));
-
- /* See the following sections of the Sandy Bridge PRM, Volume 1, Part2:
- * - 7.5.3.1 Depth Buffer Clear
- * - 7.5.3.2 Depth Buffer Resolve
- * - 7.5.3.3 Hierarchical Depth Buffer Resolve
- */
- state->ds2.depth_write_enable = 1;
- if (params->hiz_op == GEN6_HIZ_OP_DEPTH_RESOLVE) {
- state->ds2.depth_test_enable = 1;
- state->ds2.depth_test_func = BRW_COMPAREFUNCTION_NEVER;
- }
-
- return depthstencil_offset;
-}
-
-
-/* 3DSTATE_CC_STATE_POINTERS
- *
- * The pointer offsets are relative to
- * CMD_STATE_BASE_ADDRESS.DynamicStateBaseAddress.
- *
- * The HiZ op doesn't use BLEND_STATE or COLOR_CALC_STATE.
- */
-static void
-gen6_blorp_emit_cc_state_pointers(struct brw_context *brw,
- const struct brw_blorp_params *params,
- uint32_t cc_blend_state_offset,
- uint32_t depthstencil_offset,
- uint32_t cc_state_offset)
-{
- BEGIN_BATCH(4);
- OUT_BATCH(_3DSTATE_CC_STATE_POINTERS << 16 | (4 - 2));
- OUT_BATCH(cc_blend_state_offset | 1); /* BLEND_STATE offset */
- OUT_BATCH(depthstencil_offset | 1); /* DEPTH_STENCIL_STATE offset */
- OUT_BATCH(cc_state_offset | 1); /* COLOR_CALC_STATE offset */
- ADVANCE_BATCH();
-}
-
-
-/* WM push constants */
-uint32_t
-gen6_blorp_emit_wm_constants(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- uint32_t wm_push_const_offset;
-
- void *constants = brw_state_batch(brw, AUB_TRACE_WM_CONSTANTS,
- sizeof(params->wm_push_consts),
- 32, &wm_push_const_offset);
- memcpy(constants, ¶ms->wm_push_consts,
- sizeof(params->wm_push_consts));
-
- return wm_push_const_offset;
-}
-
-
-/* SURFACE_STATE for renderbuffer or texture surface (see
- * brw_update_renderbuffer_surface and brw_update_texture_surface)
- */
-static uint32_t
-gen6_blorp_emit_surface_state(struct brw_context *brw,
- const struct brw_blorp_params *params,
- const struct brw_blorp_surface_info *surface,
- uint32_t read_domains, uint32_t write_domain)
-{
- uint32_t wm_surf_offset;
- uint32_t width = surface->width;
- uint32_t height = surface->height;
- if (surface->num_samples > 1) {
- /* Since gen6 uses INTEL_MSAA_LAYOUT_IMS, width and height are measured
- * in samples. But SURFACE_STATE wants them in pixels, so we need to
- * divide them each by 2.
- */
- width /= 2;
- height /= 2;
- }
- struct intel_mipmap_tree *mt = surface->mt;
- uint32_t tile_x, tile_y;
-
- uint32_t *surf = (uint32_t *)
- brw_state_batch(brw, AUB_TRACE_SURFACE_STATE, 6 * 4, 32,
- &wm_surf_offset);
-
- surf[0] = (BRW_SURFACE_2D << BRW_SURFACE_TYPE_SHIFT |
- BRW_SURFACE_MIPMAPLAYOUT_BELOW << BRW_SURFACE_MIPLAYOUT_SHIFT |
- BRW_SURFACE_CUBEFACE_ENABLES |
- surface->brw_surfaceformat << BRW_SURFACE_FORMAT_SHIFT);
-
- /* reloc */
- surf[1] = (brw_blorp_compute_tile_offsets(surface, &tile_x, &tile_y) +
- mt->bo->offset64);
-
- surf[2] = (0 << BRW_SURFACE_LOD_SHIFT |
- (width - 1) << BRW_SURFACE_WIDTH_SHIFT |
- (height - 1) << BRW_SURFACE_HEIGHT_SHIFT);
-
- uint32_t tiling = surface->map_stencil_as_y_tiled
- ? BRW_SURFACE_TILED | BRW_SURFACE_TILED_Y
- : brw_get_surface_tiling_bits(mt->tiling);
- uint32_t pitch_bytes = mt->pitch;
- if (surface->map_stencil_as_y_tiled)
- pitch_bytes *= 2;
- surf[3] = (tiling |
- 0 << BRW_SURFACE_DEPTH_SHIFT |
- (pitch_bytes - 1) << BRW_SURFACE_PITCH_SHIFT);
-
- surf[4] = brw_get_surface_num_multisamples(surface->num_samples);
-
- /* Note that the low bits of these fields are missing, so
- * there's the possibility of getting in trouble.
- */
- assert(tile_x % 4 == 0);
- assert(tile_y % 2 == 0);
- surf[5] = ((tile_x / 4) << BRW_SURFACE_X_OFFSET_SHIFT |
- (tile_y / 2) << BRW_SURFACE_Y_OFFSET_SHIFT |
- (surface->mt->valign == 4 ?
- BRW_SURFACE_VERTICAL_ALIGN_ENABLE : 0));
-
- /* Emit relocation to surface contents */
- drm_intel_bo_emit_reloc(brw->batch.bo,
- wm_surf_offset + 4,
- mt->bo,
- surf[1] - mt->bo->offset64,
- read_domains, write_domain);
-
- return wm_surf_offset;
-}
-
-
-/* BINDING_TABLE. See brw_wm_binding_table(). */
-uint32_t
-gen6_blorp_emit_binding_table(struct brw_context *brw,
- uint32_t wm_surf_offset_renderbuffer,
- uint32_t wm_surf_offset_texture)
-{
- uint32_t wm_bind_bo_offset;
- uint32_t *bind = (uint32_t *)
- brw_state_batch(brw, AUB_TRACE_BINDING_TABLE,
- sizeof(uint32_t) *
- BRW_BLORP_NUM_BINDING_TABLE_ENTRIES,
- 32, /* alignment */
- &wm_bind_bo_offset);
- bind[BRW_BLORP_RENDERBUFFER_BINDING_TABLE_INDEX] =
- wm_surf_offset_renderbuffer;
- bind[BRW_BLORP_TEXTURE_BINDING_TABLE_INDEX] = wm_surf_offset_texture;
-
- return wm_bind_bo_offset;
-}
-
-
-/**
- * SAMPLER_STATE. See brw_update_sampler_state().
- */
-uint32_t
-gen6_blorp_emit_sampler_state(struct brw_context *brw,
- unsigned tex_filter, unsigned max_lod,
- bool non_normalized_coords)
-{
- uint32_t sampler_offset;
- uint32_t *sampler_state = (uint32_t *)
- brw_state_batch(brw, AUB_TRACE_SAMPLER_STATE, 16, 32, &sampler_offset);
-
- unsigned address_rounding = BRW_ADDRESS_ROUNDING_ENABLE_U_MIN |
- BRW_ADDRESS_ROUNDING_ENABLE_V_MIN |
- BRW_ADDRESS_ROUNDING_ENABLE_R_MIN |
- BRW_ADDRESS_ROUNDING_ENABLE_U_MAG |
- BRW_ADDRESS_ROUNDING_ENABLE_V_MAG |
- BRW_ADDRESS_ROUNDING_ENABLE_R_MAG;
-
- /* XXX: I don't think that using firstLevel, lastLevel works,
- * because we always setup the surface state as if firstLevel ==
- * level zero. Probably have to subtract firstLevel from each of
- * these:
- */
- brw_emit_sampler_state(brw,
- sampler_state,
- sampler_offset,
- tex_filter, /* min filter */
- tex_filter, /* mag filter */
- BRW_MIPFILTER_NONE,
- BRW_ANISORATIO_2,
- address_rounding,
- BRW_TEXCOORDMODE_CLAMP,
- BRW_TEXCOORDMODE_CLAMP,
- BRW_TEXCOORDMODE_CLAMP,
- 0, /* min LOD */
- max_lod,
- 0, /* LOD bias */
- 0, /* shadow function */
- non_normalized_coords,
- 0); /* border color offset - unused */
-
- return sampler_offset;
-}
-
-
-/**
- * 3DSTATE_SAMPLER_STATE_POINTERS. See upload_sampler_state_pointers().
- */
-static void
-gen6_blorp_emit_sampler_state_pointers(struct brw_context *brw,
- uint32_t sampler_offset)
-{
- BEGIN_BATCH(4);
- OUT_BATCH(_3DSTATE_SAMPLER_STATE_POINTERS << 16 |
- VS_SAMPLER_STATE_CHANGE |
- GS_SAMPLER_STATE_CHANGE |
- PS_SAMPLER_STATE_CHANGE |
- (4 - 2));
- OUT_BATCH(0); /* VS */
- OUT_BATCH(0); /* GS */
- OUT_BATCH(sampler_offset);
- ADVANCE_BATCH();
-}
-
-
-/* 3DSTATE_VS
- *
- * Disable vertex shader.
- */
-void
-gen6_blorp_emit_vs_disable(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- /* From the BSpec, 3D Pipeline > Geometry > Vertex Shader > State,
- * 3DSTATE_VS, Dword 5.0 "VS Function Enable":
- *
- * [DevSNB] A pipeline flush must be programmed prior to a
- * 3DSTATE_VS command that causes the VS Function Enable to
- * toggle. Pipeline flush can be executed by sending a PIPE_CONTROL
- * command with CS stall bit set and a post sync operation.
- *
- * We've already done one at the start of the BLORP operation.
- */
-
- /* Disable the push constant buffers. */
- BEGIN_BATCH(5);
- OUT_BATCH(_3DSTATE_CONSTANT_VS << 16 | (5 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-
- BEGIN_BATCH(6);
- OUT_BATCH(_3DSTATE_VS << 16 | (6 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-
-/* 3DSTATE_GS
- *
- * Disable the geometry shader.
- */
-void
-gen6_blorp_emit_gs_disable(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- /* Disable all the constant buffers. */
- BEGIN_BATCH(5);
- OUT_BATCH(_3DSTATE_CONSTANT_GS << 16 | (5 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-
- BEGIN_BATCH(7);
- OUT_BATCH(_3DSTATE_GS << 16 | (7 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
- brw->gs.enabled = false;
-}
-
-
-/* 3DSTATE_CLIP
- *
- * Disable the clipper.
- *
- * The BLORP op emits a rectangle primitive, which requires clipping to
- * be disabled. From page 10 of the Sandy Bridge PRM Volume 2 Part 1
- * Section 1.3 "3D Primitives Overview":
- * RECTLIST:
- * Either the CLIP unit should be DISABLED, or the CLIP unit's Clip
- * Mode should be set to a value other than CLIPMODE_NORMAL.
- *
- * Also disable perspective divide. This doesn't change the clipper's
- * output, but does spare a few electrons.
- */
-void
-gen6_blorp_emit_clip_disable(struct brw_context *brw)
-{
- BEGIN_BATCH(4);
- OUT_BATCH(_3DSTATE_CLIP << 16 | (4 - 2));
- OUT_BATCH(0);
- OUT_BATCH(GEN6_CLIP_PERSPECTIVE_DIVIDE_DISABLE);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-
-/* 3DSTATE_SF
- *
- * Disable ViewportTransformEnable (dw2.1)
- *
- * From the SandyBridge PRM, Volume 2, Part 1, Section 1.3, "3D
- * Primitives Overview":
- * RECTLIST: Viewport Mapping must be DISABLED (as is typical with the
- * use of screen- space coordinates).
- *
- * A solid rectangle must be rendered, so set FrontFaceFillMode (dw2.4:3)
- * and BackFaceFillMode (dw2.5:6) to SOLID(0).
- *
- * From the Sandy Bridge PRM, Volume 2, Part 1, Section
- * 6.4.1.1 3DSTATE_SF, Field FrontFaceFillMode:
- * SOLID: Any triangle or rectangle object found to be front-facing
- * is rendered as a solid object. This setting is required when
- * (rendering rectangle (RECTLIST) objects.
- */
-static void
-gen6_blorp_emit_sf_config(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- BEGIN_BATCH(20);
- OUT_BATCH(_3DSTATE_SF << 16 | (20 - 2));
- OUT_BATCH(params->num_varyings << GEN6_SF_NUM_OUTPUTS_SHIFT |
- 1 << GEN6_SF_URB_ENTRY_READ_LENGTH_SHIFT |
- BRW_SF_URB_ENTRY_READ_OFFSET <<
- GEN6_SF_URB_ENTRY_READ_OFFSET_SHIFT);
- OUT_BATCH(0); /* dw2 */
- OUT_BATCH(params->dst.num_samples > 1 ? GEN6_SF_MSRAST_ON_PATTERN : 0);
- for (int i = 0; i < 16; ++i)
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-
-/**
- * Enable or disable thread dispatch and set the HiZ op appropriately.
- */
-static void
-gen6_blorp_emit_wm_config(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- const struct brw_blorp_prog_data *prog_data = params->wm_prog_data;
- uint32_t dw2, dw4, dw5, dw6;
-
- /* Even when thread dispatch is disabled, max threads (dw5.25:31) must be
- * nonzero to prevent the GPU from hanging. While the documentation doesn't
- * mention this explicitly, it notes that the valid range for the field is
- * [1,39] = [2,40] threads, which excludes zero.
- *
- * To be safe (and to minimize extraneous code) we go ahead and fully
- * configure the WM state whether or not there is a WM program.
- */
-
- dw2 = dw4 = dw5 = dw6 = 0;
- switch (params->hiz_op) {
- case GEN6_HIZ_OP_DEPTH_CLEAR:
- dw4 |= GEN6_WM_DEPTH_CLEAR;
- break;
- case GEN6_HIZ_OP_DEPTH_RESOLVE:
- dw4 |= GEN6_WM_DEPTH_RESOLVE;
- break;
- case GEN6_HIZ_OP_HIZ_RESOLVE:
- dw4 |= GEN6_WM_HIERARCHICAL_DEPTH_RESOLVE;
- break;
- case GEN6_HIZ_OP_NONE:
- break;
- default:
- unreachable("not reached");
- }
- dw5 |= GEN6_WM_LINE_AA_WIDTH_1_0;
- dw5 |= GEN6_WM_LINE_END_CAP_AA_WIDTH_0_5;
- dw5 |= (brw->max_wm_threads - 1) << GEN6_WM_MAX_THREADS_SHIFT;
- dw6 |= 0 << GEN6_WM_BARYCENTRIC_INTERPOLATION_MODE_SHIFT; /* No interp */
- dw6 |= 0 << GEN6_WM_NUM_SF_OUTPUTS_SHIFT; /* No inputs from SF */
- if (params->wm_prog_data) {
- dw4 |= prog_data->first_curbe_grf << GEN6_WM_DISPATCH_START_GRF_SHIFT_0;
- dw5 |= GEN6_WM_16_DISPATCH_ENABLE;
- dw5 |= GEN6_WM_DISPATCH_ENABLE; /* We are rendering */
- }
-
- if (params->src.mt) {
- dw5 |= GEN6_WM_KILL_ENABLE; /* TODO: temporarily smash on */
- dw2 |= 1 << GEN6_WM_SAMPLER_COUNT_SHIFT; /* Up to 4 samplers */
- }
-
- if (params->dst.num_samples > 1) {
- dw6 |= GEN6_WM_MSRAST_ON_PATTERN;
- if (prog_data && prog_data->persample_msaa_dispatch)
- dw6 |= GEN6_WM_MSDISPMODE_PERSAMPLE;
- else
- dw6 |= GEN6_WM_MSDISPMODE_PERPIXEL;
- } else {
- dw6 |= GEN6_WM_MSRAST_OFF_PIXEL;
- dw6 |= GEN6_WM_MSDISPMODE_PERSAMPLE;
- }
-
- BEGIN_BATCH(9);
- OUT_BATCH(_3DSTATE_WM << 16 | (9 - 2));
- OUT_BATCH(params->wm_prog_kernel);
- OUT_BATCH(dw2);
- OUT_BATCH(0); /* No scratch needed */
- OUT_BATCH(dw4);
- OUT_BATCH(dw5);
- OUT_BATCH(dw6);
- OUT_BATCH(0); /* No other programs */
- OUT_BATCH(0); /* No other programs */
- ADVANCE_BATCH();
-}
-
-
-static void
-gen6_blorp_emit_constant_ps(struct brw_context *brw,
- const struct brw_blorp_params *params,
- uint32_t wm_push_const_offset)
-{
- /* Make sure the push constants fill an exact integer number of
- * registers.
- */
- assert(sizeof(struct brw_blorp_wm_push_constants) % 32 == 0);
-
- /* There must be at least one register worth of push constant data. */
- assert(BRW_BLORP_NUM_PUSH_CONST_REGS > 0);
-
- /* Enable push constant buffer 0. */
- BEGIN_BATCH(5);
- OUT_BATCH(_3DSTATE_CONSTANT_PS << 16 |
- GEN6_CONSTANT_BUFFER_0_ENABLE |
- (5 - 2));
- OUT_BATCH(wm_push_const_offset + (BRW_BLORP_NUM_PUSH_CONST_REGS - 1));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-static void
-gen6_blorp_emit_constant_ps_disable(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- /* Disable the push constant buffers. */
- BEGIN_BATCH(5);
- OUT_BATCH(_3DSTATE_CONSTANT_PS << 16 | (5 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-/**
- * 3DSTATE_BINDING_TABLE_POINTERS
- */
-static void
-gen6_blorp_emit_binding_table_pointers(struct brw_context *brw,
- uint32_t wm_bind_bo_offset)
-{
- BEGIN_BATCH(4);
- OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS << 16 |
- GEN6_BINDING_TABLE_MODIFY_PS |
- (4 - 2));
- OUT_BATCH(0); /* vs -- ignored */
- OUT_BATCH(0); /* gs -- ignored */
- OUT_BATCH(wm_bind_bo_offset); /* wm/ps */
- ADVANCE_BATCH();
-}
-
-
-static void
-gen6_blorp_emit_depth_stencil_config(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- uint32_t surfwidth, surfheight;
- uint32_t surftype;
- unsigned int depth = MAX2(params->depth.mt->logical_depth0, 1);
- GLenum gl_target = params->depth.mt->target;
- unsigned int lod;
-
- switch (gl_target) {
- case GL_TEXTURE_CUBE_MAP_ARRAY:
- case GL_TEXTURE_CUBE_MAP:
- /* The PRM claims that we should use BRW_SURFACE_CUBE for this
- * situation, but experiments show that gl_Layer doesn't work when we do
- * this. So we use BRW_SURFACE_2D, since for rendering purposes this is
- * equivalent.
- */
- surftype = BRW_SURFACE_2D;
- depth *= 6;
- break;
- default:
- surftype = translate_tex_target(gl_target);
- break;
- }
-
- const unsigned min_array_element = params->depth.layer;
-
- lod = params->depth.level - params->depth.mt->first_level;
-
- if (params->hiz_op != GEN6_HIZ_OP_NONE && lod == 0) {
- /* HIZ ops for lod 0 may set the width & height a little
- * larger to allow the fast depth clear to fit the hardware
- * alignment requirements. (8x4)
- */
- surfwidth = params->depth.width;
- surfheight = params->depth.height;
- } else {
- surfwidth = params->depth.mt->logical_width0;
- surfheight = params->depth.mt->logical_height0;
- }
-
- /* 3DSTATE_DEPTH_BUFFER */
- {
- brw_emit_depth_stall_flushes(brw);
-
- BEGIN_BATCH(7);
- /* 3DSTATE_DEPTH_BUFFER dw0 */
- OUT_BATCH(_3DSTATE_DEPTH_BUFFER << 16 | (7 - 2));
-
- /* 3DSTATE_DEPTH_BUFFER dw1 */
- OUT_BATCH((params->depth.mt->pitch - 1) |
- params->depth_format << 18 |
- 1 << 21 | /* separate stencil enable */
- 1 << 22 | /* hiz enable */
- BRW_TILEWALK_YMAJOR << 26 |
- 1 << 27 | /* y-tiled */
- surftype << 29);
-
- /* 3DSTATE_DEPTH_BUFFER dw2 */
- OUT_RELOC(params->depth.mt->bo,
- I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
- 0);
-
- /* 3DSTATE_DEPTH_BUFFER dw3 */
- OUT_BATCH(BRW_SURFACE_MIPMAPLAYOUT_BELOW << 1 |
- (surfwidth - 1) << 6 |
- (surfheight - 1) << 19 |
- lod << 2);
-
- /* 3DSTATE_DEPTH_BUFFER dw4 */
- OUT_BATCH((depth - 1) << 21 |
- min_array_element << 10 |
- (depth - 1) << 1);
-
- /* 3DSTATE_DEPTH_BUFFER dw5 */
- OUT_BATCH(0);
-
- /* 3DSTATE_DEPTH_BUFFER dw6 */
- OUT_BATCH(0);
- ADVANCE_BATCH();
- }
-
- /* 3DSTATE_HIER_DEPTH_BUFFER */
- {
- struct intel_mipmap_tree *hiz_mt = params->depth.mt->hiz_buf->mt;
- uint32_t offset = 0;
-
- if (hiz_mt->array_layout == ALL_SLICES_AT_EACH_LOD) {
- offset = intel_miptree_get_aligned_offset(hiz_mt,
- hiz_mt->level[lod].level_x,
- hiz_mt->level[lod].level_y,
- false);
- }
-
- BEGIN_BATCH(3);
- OUT_BATCH((_3DSTATE_HIER_DEPTH_BUFFER << 16) | (3 - 2));
- OUT_BATCH(hiz_mt->pitch - 1);
- OUT_RELOC(hiz_mt->bo,
- I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
- offset);
- ADVANCE_BATCH();
- }
-
- /* 3DSTATE_STENCIL_BUFFER */
- {
- BEGIN_BATCH(3);
- OUT_BATCH((_3DSTATE_STENCIL_BUFFER << 16) | (3 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
- }
-}
-
-
-static void
-gen6_blorp_emit_depth_disable(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- brw_emit_depth_stall_flushes(brw);
-
- BEGIN_BATCH(7);
- OUT_BATCH(_3DSTATE_DEPTH_BUFFER << 16 | (7 - 2));
- OUT_BATCH((BRW_DEPTHFORMAT_D32_FLOAT << 18) |
- (BRW_SURFACE_NULL << 29));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-
- BEGIN_BATCH(3);
- OUT_BATCH(_3DSTATE_HIER_DEPTH_BUFFER << 16 | (3 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-
- BEGIN_BATCH(3);
- OUT_BATCH(_3DSTATE_STENCIL_BUFFER << 16 | (3 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-
-/* 3DSTATE_CLEAR_PARAMS
- *
- * From the Sandybridge PRM, Volume 2, Part 1, Section 3DSTATE_CLEAR_PARAMS:
- * [DevSNB] 3DSTATE_CLEAR_PARAMS packet must follow the DEPTH_BUFFER_STATE
- * packet when HiZ is enabled and the DEPTH_BUFFER_STATE changes.
- */
-static void
-gen6_blorp_emit_clear_params(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- BEGIN_BATCH(2);
- OUT_BATCH(_3DSTATE_CLEAR_PARAMS << 16 |
- GEN5_DEPTH_CLEAR_VALID |
- (2 - 2));
- OUT_BATCH(params->depth.mt ? params->depth.mt->depth_clear_value : 0);
- ADVANCE_BATCH();
-}
-
-
-/* 3DSTATE_DRAWING_RECTANGLE */
-void
-gen6_blorp_emit_drawing_rectangle(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- BEGIN_BATCH(4);
- OUT_BATCH(_3DSTATE_DRAWING_RECTANGLE << 16 | (4 - 2));
- OUT_BATCH(0);
- OUT_BATCH(((MAX2(params->x1, params->x0) - 1) & 0xffff) |
- ((MAX2(params->y1, params->y0) - 1) << 16));
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-/* 3DSTATE_VIEWPORT_STATE_POINTERS */
-static void
-gen6_blorp_emit_viewport_state(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- struct brw_cc_viewport *ccv;
- uint32_t cc_vp_offset;
-
- ccv = (struct brw_cc_viewport *)brw_state_batch(brw, AUB_TRACE_CC_VP_STATE,
- sizeof(*ccv), 32,
- &cc_vp_offset);
-
- ccv->min_depth = 0.0;
- ccv->max_depth = 1.0;
-
- BEGIN_BATCH(4);
- OUT_BATCH(_3DSTATE_VIEWPORT_STATE_POINTERS << 16 | (4 - 2) |
- GEN6_CC_VIEWPORT_MODIFY);
- OUT_BATCH(0); /* clip VP */
- OUT_BATCH(0); /* SF VP */
- OUT_BATCH(cc_vp_offset);
- ADVANCE_BATCH();
-}
-
-
-/* 3DPRIMITIVE */
-static void
-gen6_blorp_emit_primitive(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- BEGIN_BATCH(6);
- OUT_BATCH(CMD_3D_PRIM << 16 | (6 - 2) |
- _3DPRIM_RECTLIST << GEN4_3DPRIM_TOPOLOGY_TYPE_SHIFT |
- GEN4_3DPRIM_VERTEXBUFFER_ACCESS_SEQUENTIAL);
- OUT_BATCH(3); /* vertex count per instance */
- OUT_BATCH(0);
- OUT_BATCH(params->num_layers); /* instance count */
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-/**
- * \brief Execute a blit or render pass operation.
- *
- * To execute the operation, this function manually constructs and emits a
- * batch to draw a rectangle primitive. The batchbuffer is flushed before
- * constructing and after emitting the batch.
- *
- * This function alters no GL state.
- */
-void
-gen6_blorp_exec(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- uint32_t cc_blend_state_offset = 0;
- uint32_t cc_state_offset = 0;
- uint32_t depthstencil_offset;
- uint32_t wm_push_const_offset = 0;
- uint32_t wm_bind_bo_offset = 0;
-
- /* Emit workaround flushes when we switch from drawing to blorping. */
- brw_emit_post_sync_nonzero_flush(brw);
-
- if (brw_state_base_address.dirty.brw & brw->ctx.NewDriverState)
- brw_state_base_address.emit(brw);
-
- gen6_emit_3dstate_multisample(brw, params->dst.num_samples);
- gen6_emit_3dstate_sample_mask(brw,
- params->dst.num_samples > 1 ?
- (1 << params->dst.num_samples) - 1 : 1);
- gen6_blorp_emit_vertices(brw, params);
- gen6_blorp_emit_urb_config(brw, params);
- if (params->wm_prog_data) {
- cc_blend_state_offset = gen6_blorp_emit_blend_state(brw, params);
- cc_state_offset = gen6_blorp_emit_cc_state(brw);
- }
- depthstencil_offset = gen6_blorp_emit_depth_stencil_state(brw, params);
- gen6_blorp_emit_cc_state_pointers(brw, params, cc_blend_state_offset,
- depthstencil_offset, cc_state_offset);
- if (params->wm_prog_data) {
- uint32_t wm_surf_offset_renderbuffer;
- uint32_t wm_surf_offset_texture = 0;
- wm_push_const_offset = gen6_blorp_emit_wm_constants(brw, params);
- intel_miptree_used_for_rendering(params->dst.mt);
- wm_surf_offset_renderbuffer =
- gen6_blorp_emit_surface_state(brw, params, ¶ms->dst,
- I915_GEM_DOMAIN_RENDER,
- I915_GEM_DOMAIN_RENDER);
- if (params->src.mt) {
- wm_surf_offset_texture =
- gen6_blorp_emit_surface_state(brw, params, ¶ms->src,
- I915_GEM_DOMAIN_SAMPLER, 0);
- }
- wm_bind_bo_offset =
- gen6_blorp_emit_binding_table(brw,
- wm_surf_offset_renderbuffer,
- wm_surf_offset_texture);
- }
-
- if (params->src.mt) {
- const uint32_t sampler_offset =
- gen6_blorp_emit_sampler_state(brw, BRW_MAPFILTER_LINEAR, 0, true);
- gen6_blorp_emit_sampler_state_pointers(brw, sampler_offset);
- }
- gen6_blorp_emit_vs_disable(brw, params);
- gen6_blorp_emit_gs_disable(brw, params);
- gen6_blorp_emit_clip_disable(brw);
- gen6_blorp_emit_sf_config(brw, params);
- if (params->wm_prog_data)
- gen6_blorp_emit_constant_ps(brw, params, wm_push_const_offset);
- else
- gen6_blorp_emit_constant_ps_disable(brw, params);
- gen6_blorp_emit_wm_config(brw, params);
- if (params->wm_prog_data)
- gen6_blorp_emit_binding_table_pointers(brw, wm_bind_bo_offset);
- gen6_blorp_emit_viewport_state(brw, params);
-
- if (params->depth.mt)
- gen6_blorp_emit_depth_stencil_config(brw, params);
- else
- gen6_blorp_emit_depth_disable(brw, params);
- gen6_blorp_emit_clear_params(brw, params);
- gen6_blorp_emit_drawing_rectangle(brw, params);
- gen6_blorp_emit_primitive(brw, params);
-}
-
--- /dev/null
+/*
+ * Copyright © 2011 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <assert.h>
+
+#include "intel_batchbuffer.h"
+#include "intel_mipmap_tree.h"
+
+#include "brw_context.h"
+#include "brw_state.h"
+
+#include "brw_blorp.h"
+
+static bool
+gen7_blorp_skip_urb_config(const struct brw_context *brw)
+{
+ if (brw->ctx.NewDriverState & (BRW_NEW_CONTEXT | BRW_NEW_URB_SIZE))
+ return false;
+
+ /* Vertex buffer takes 24 bytes. As the size is expressed in 64 bytes,
+ * one will suffice, otherwise the setup can be any valid configuration.
+ */
+ return brw->urb.vsize > 0;
+}
+
+/* 3DSTATE_URB_VS
+ * 3DSTATE_URB_HS
+ * 3DSTATE_URB_DS
+ * 3DSTATE_URB_GS
+ *
+ * If the 3DSTATE_URB_VS is emitted, than the others must be also.
+ * From the Ivybridge PRM, Volume 2 Part 1, section 1.7.1 3DSTATE_URB_VS:
+ *
+ * 3DSTATE_URB_HS, 3DSTATE_URB_DS, and 3DSTATE_URB_GS must also be
+ * programmed in order for the programming of this state to be
+ * valid.
+ */
+void
+gen7_blorp_emit_urb_config(struct brw_context *brw)
+{
+ /* URB allocations must be done in 8k chunks. */
+ const unsigned chunk_size_bytes = 8192;
+ const unsigned urb_size =
+ (brw->gen >= 8 || (brw->is_haswell && brw->gt == 3)) ? 32 : 16;
+ const unsigned push_constant_bytes = 1024 * urb_size;
+ const unsigned push_constant_chunks =
+ push_constant_bytes / chunk_size_bytes;
+ const unsigned vs_size = 1;
+ const unsigned vs_start = push_constant_chunks;
+ const unsigned vs_chunks =
+ DIV_ROUND_UP(brw->urb.min_vs_entries * vs_size * 64, chunk_size_bytes);
+
+ if (gen7_blorp_skip_urb_config(brw))
+ return;
+
+ brw->ctx.NewDriverState |= BRW_NEW_URB_SIZE;
+
+ gen7_emit_push_constant_state(brw,
+ urb_size / 2 /* vs_size */,
+ 0 /* hs_size */,
+ 0 /* ds_size */,
+ 0 /* gs_size */,
+ urb_size / 2 /* fs_size */);
+
+ gen7_emit_urb_state(brw,
+ brw->urb.min_vs_entries /* num_vs_entries */,
+ vs_size,
+ vs_start,
+ 0 /* num_hs_entries */,
+ 1 /* hs_size */,
+ vs_start + vs_chunks /* hs_start */,
+ 0 /* num_ds_entries */,
+ 1 /* ds_size */,
+ vs_start + vs_chunks /* ds_start */,
+ 0 /* num_gs_entries */,
+ 1 /* gs_size */,
+ vs_start + vs_chunks /* gs_start */);
+}
+
+
+/* 3DSTATE_BLEND_STATE_POINTERS */
+void
+gen7_blorp_emit_blend_state_pointer(struct brw_context *brw,
+ uint32_t cc_blend_state_offset)
+{
+ BEGIN_BATCH(2);
+ OUT_BATCH(_3DSTATE_BLEND_STATE_POINTERS << 16 | (2 - 2));
+ OUT_BATCH(cc_blend_state_offset | 1);
+ ADVANCE_BATCH();
+}
+
+
+/* 3DSTATE_CC_STATE_POINTERS */
+void
+gen7_blorp_emit_cc_state_pointer(struct brw_context *brw,
+ uint32_t cc_state_offset)
+{
+ BEGIN_BATCH(2);
+ OUT_BATCH(_3DSTATE_CC_STATE_POINTERS << 16 | (2 - 2));
+ OUT_BATCH(cc_state_offset | 1);
+ ADVANCE_BATCH();
+}
+
+void
+gen7_blorp_emit_cc_viewport(struct brw_context *brw)
+{
+ struct brw_cc_viewport *ccv;
+ uint32_t cc_vp_offset;
+
+ ccv = (struct brw_cc_viewport *)brw_state_batch(brw, AUB_TRACE_CC_VP_STATE,
+ sizeof(*ccv), 32,
+ &cc_vp_offset);
+ ccv->min_depth = 0.0;
+ ccv->max_depth = 1.0;
+
+ BEGIN_BATCH(2);
+ OUT_BATCH(_3DSTATE_VIEWPORT_STATE_POINTERS_CC << 16 | (2 - 2));
+ OUT_BATCH(cc_vp_offset);
+ ADVANCE_BATCH();
+}
+
+
+/* 3DSTATE_DEPTH_STENCIL_STATE_POINTERS
+ *
+ * The offset is relative to CMD_STATE_BASE_ADDRESS.DynamicStateBaseAddress.
+ */
+static void
+gen7_blorp_emit_depth_stencil_state_pointers(struct brw_context *brw,
+ uint32_t depthstencil_offset)
+{
+ BEGIN_BATCH(2);
+ OUT_BATCH(_3DSTATE_DEPTH_STENCIL_STATE_POINTERS << 16 | (2 - 2));
+ OUT_BATCH(depthstencil_offset | 1);
+ ADVANCE_BATCH();
+}
+
+
+/* SURFACE_STATE for renderbuffer or texture surface (see
+ * brw_update_renderbuffer_surface and brw_update_texture_surface)
+ */
+static uint32_t
+gen7_blorp_emit_surface_state(struct brw_context *brw,
+ const struct brw_blorp_surface_info *surface,
+ uint32_t read_domains, uint32_t write_domain,
+ bool is_render_target)
+{
+ uint32_t wm_surf_offset;
+ uint32_t width = surface->width;
+ uint32_t height = surface->height;
+ /* Note: since gen7 uses INTEL_MSAA_LAYOUT_CMS or INTEL_MSAA_LAYOUT_UMS for
+ * color surfaces, width and height are measured in pixels; we don't need
+ * to divide them by 2 as we do for Gen6 (see
+ * gen6_blorp_emit_surface_state).
+ */
+ struct intel_mipmap_tree *mt = surface->mt;
+ uint32_t tile_x, tile_y;
+ const uint8_t mocs = GEN7_MOCS_L3;
+
+ uint32_t tiling = surface->map_stencil_as_y_tiled
+ ? I915_TILING_Y : mt->tiling;
+
+ uint32_t *surf = (uint32_t *)
+ brw_state_batch(brw, AUB_TRACE_SURFACE_STATE, 8 * 4, 32, &wm_surf_offset);
+ memset(surf, 0, 8 * 4);
+
+ surf[0] = BRW_SURFACE_2D << BRW_SURFACE_TYPE_SHIFT |
+ surface->brw_surfaceformat << BRW_SURFACE_FORMAT_SHIFT |
+ gen7_surface_tiling_mode(tiling);
+
+ if (surface->mt->valign == 4)
+ surf[0] |= GEN7_SURFACE_VALIGN_4;
+ if (surface->mt->halign == 8)
+ surf[0] |= GEN7_SURFACE_HALIGN_8;
+
+ if (surface->array_layout == ALL_SLICES_AT_EACH_LOD)
+ surf[0] |= GEN7_SURFACE_ARYSPC_LOD0;
+ else
+ surf[0] |= GEN7_SURFACE_ARYSPC_FULL;
+
+ /* reloc */
+ surf[1] = brw_blorp_compute_tile_offsets(surface, &tile_x, &tile_y) +
+ mt->bo->offset64;
+
+ /* Note that the low bits of these fields are missing, so
+ * there's the possibility of getting in trouble.
+ */
+ assert(tile_x % 4 == 0);
+ assert(tile_y % 2 == 0);
+ surf[5] = SET_FIELD(tile_x / 4, BRW_SURFACE_X_OFFSET) |
+ SET_FIELD(tile_y / 2, BRW_SURFACE_Y_OFFSET) |
+ SET_FIELD(mocs, GEN7_SURFACE_MOCS);
+
+ surf[2] = SET_FIELD(width - 1, GEN7_SURFACE_WIDTH) |
+ SET_FIELD(height - 1, GEN7_SURFACE_HEIGHT);
+
+ uint32_t pitch_bytes = mt->pitch;
+ if (surface->map_stencil_as_y_tiled)
+ pitch_bytes *= 2;
+ surf[3] = pitch_bytes - 1;
+
+ surf[4] = gen7_surface_msaa_bits(surface->num_samples, surface->msaa_layout);
+ if (surface->mt->mcs_mt) {
+ gen7_set_surface_mcs_info(brw, surf, wm_surf_offset, surface->mt->mcs_mt,
+ is_render_target);
+ }
+
+ surf[7] = surface->mt->fast_clear_color_value;
+
+ if (brw->is_haswell) {
+ surf[7] |= (SET_FIELD(HSW_SCS_RED, GEN7_SURFACE_SCS_R) |
+ SET_FIELD(HSW_SCS_GREEN, GEN7_SURFACE_SCS_G) |
+ SET_FIELD(HSW_SCS_BLUE, GEN7_SURFACE_SCS_B) |
+ SET_FIELD(HSW_SCS_ALPHA, GEN7_SURFACE_SCS_A));
+ }
+
+ /* Emit relocation to surface contents */
+ drm_intel_bo_emit_reloc(brw->batch.bo,
+ wm_surf_offset + 4,
+ mt->bo,
+ surf[1] - mt->bo->offset64,
+ read_domains, write_domain);
+
+ gen7_check_surface_setup(surf, is_render_target);
+
+ return wm_surf_offset;
+}
+
+
+/* 3DSTATE_VS
+ *
+ * Disable vertex shader.
+ */
+static void
+gen7_blorp_emit_vs_disable(struct brw_context *brw)
+{
+ BEGIN_BATCH(7);
+ OUT_BATCH(_3DSTATE_CONSTANT_VS << 16 | (7 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+
+ BEGIN_BATCH(6);
+ OUT_BATCH(_3DSTATE_VS << 16 | (6 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+
+/* 3DSTATE_HS
+ *
+ * Disable the hull shader.
+ */
+static void
+gen7_blorp_emit_hs_disable(struct brw_context *brw)
+{
+ BEGIN_BATCH(7);
+ OUT_BATCH(_3DSTATE_CONSTANT_HS << 16 | (7 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+
+ BEGIN_BATCH(7);
+ OUT_BATCH(_3DSTATE_HS << 16 | (7 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+
+/* 3DSTATE_TE
+ *
+ * Disable the tesselation engine.
+ */
+void
+gen7_blorp_emit_te_disable(struct brw_context *brw)
+{
+ BEGIN_BATCH(4);
+ OUT_BATCH(_3DSTATE_TE << 16 | (4 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+
+/* 3DSTATE_DS
+ *
+ * Disable the domain shader.
+ */
+static void
+gen7_blorp_emit_ds_disable(struct brw_context *brw)
+{
+ BEGIN_BATCH(7);
+ OUT_BATCH(_3DSTATE_CONSTANT_DS << 16 | (7 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+
+ BEGIN_BATCH(6);
+ OUT_BATCH(_3DSTATE_DS << 16 | (6 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+/* 3DSTATE_GS
+ *
+ * Disable the geometry shader.
+ */
+static void
+gen7_blorp_emit_gs_disable(struct brw_context *brw)
+{
+ BEGIN_BATCH(7);
+ OUT_BATCH(_3DSTATE_CONSTANT_GS << 16 | (7 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+
+ /**
+ * From Graphics BSpec: 3D-Media-GPGPU Engine > 3D Pipeline Stages >
+ * Geometry > Geometry Shader > State:
+ *
+ * "Note: Because of corruption in IVB:GT2, software needs to flush the
+ * whole fixed function pipeline when the GS enable changes value in
+ * the 3DSTATE_GS."
+ *
+ * The hardware architects have clarified that in this context "flush the
+ * whole fixed function pipeline" means to emit a PIPE_CONTROL with the "CS
+ * Stall" bit set.
+ */
+ if (brw->gen < 8 && !brw->is_haswell && brw->gt == 2 && brw->gs.enabled)
+ gen7_emit_cs_stall_flush(brw);
+
+ BEGIN_BATCH(7);
+ OUT_BATCH(_3DSTATE_GS << 16 | (7 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+ brw->gs.enabled = false;
+}
+
+/* 3DSTATE_STREAMOUT
+ *
+ * Disable streamout.
+ */
+static void
+gen7_blorp_emit_streamout_disable(struct brw_context *brw)
+{
+ BEGIN_BATCH(3);
+ OUT_BATCH(_3DSTATE_STREAMOUT << 16 | (3 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+
+static void
+gen7_blorp_emit_sf_config(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ /* 3DSTATE_SF
+ *
+ * Disable ViewportTransformEnable (dw1.1)
+ *
+ * From the SandyBridge PRM, Volume 2, Part 1, Section 1.3, "3D
+ * Primitives Overview":
+ * RECTLIST: Viewport Mapping must be DISABLED (as is typical with the
+ * use of screen- space coordinates).
+ *
+ * A solid rectangle must be rendered, so set FrontFaceFillMode (dw1.6:5)
+ * and BackFaceFillMode (dw1.4:3) to SOLID(0).
+ *
+ * From the Sandy Bridge PRM, Volume 2, Part 1, Section
+ * 6.4.1.1 3DSTATE_SF, Field FrontFaceFillMode:
+ * SOLID: Any triangle or rectangle object found to be front-facing
+ * is rendered as a solid object. This setting is required when
+ * (rendering rectangle (RECTLIST) objects.
+ */
+ {
+ BEGIN_BATCH(7);
+ OUT_BATCH(_3DSTATE_SF << 16 | (7 - 2));
+ OUT_BATCH(params->depth_format <<
+ GEN7_SF_DEPTH_BUFFER_SURFACE_FORMAT_SHIFT);
+ OUT_BATCH(params->dst.num_samples > 1 ? GEN6_SF_MSRAST_ON_PATTERN : 0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+ }
+
+ /* 3DSTATE_SBE */
+ {
+ BEGIN_BATCH(14);
+ OUT_BATCH(_3DSTATE_SBE << 16 | (14 - 2));
+ OUT_BATCH(GEN7_SBE_SWIZZLE_ENABLE |
+ params->num_varyings << GEN7_SBE_NUM_OUTPUTS_SHIFT |
+ 1 << GEN7_SBE_URB_ENTRY_READ_LENGTH_SHIFT |
+ BRW_SF_URB_ENTRY_READ_OFFSET <<
+ GEN7_SBE_URB_ENTRY_READ_OFFSET_SHIFT);
+ for (int i = 0; i < 12; ++i)
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+ }
+}
+
+
+/**
+ * Disable thread dispatch (dw5.19) and enable the HiZ op.
+ */
+static void
+gen7_blorp_emit_wm_config(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ const struct brw_blorp_prog_data *prog_data = params->wm_prog_data;
+ uint32_t dw1 = 0, dw2 = 0;
+
+ switch (params->hiz_op) {
+ case GEN6_HIZ_OP_DEPTH_CLEAR:
+ dw1 |= GEN7_WM_DEPTH_CLEAR;
+ break;
+ case GEN6_HIZ_OP_DEPTH_RESOLVE:
+ dw1 |= GEN7_WM_DEPTH_RESOLVE;
+ break;
+ case GEN6_HIZ_OP_HIZ_RESOLVE:
+ dw1 |= GEN7_WM_HIERARCHICAL_DEPTH_RESOLVE;
+ break;
+ case GEN6_HIZ_OP_NONE:
+ break;
+ default:
+ unreachable("not reached");
+ }
+ dw1 |= GEN7_WM_LINE_AA_WIDTH_1_0;
+ dw1 |= GEN7_WM_LINE_END_CAP_AA_WIDTH_0_5;
+ dw1 |= 0 << GEN7_WM_BARYCENTRIC_INTERPOLATION_MODE_SHIFT; /* No interp */
+
+ if (params->wm_prog_data)
+ dw1 |= GEN7_WM_DISPATCH_ENABLE; /* We are rendering */
+
+ if (params->src.mt)
+ dw1 |= GEN7_WM_KILL_ENABLE; /* TODO: temporarily smash on */
+
+ if (params->dst.num_samples > 1) {
+ dw1 |= GEN7_WM_MSRAST_ON_PATTERN;
+ if (prog_data && prog_data->persample_msaa_dispatch)
+ dw2 |= GEN7_WM_MSDISPMODE_PERSAMPLE;
+ else
+ dw2 |= GEN7_WM_MSDISPMODE_PERPIXEL;
+ } else {
+ dw1 |= GEN7_WM_MSRAST_OFF_PIXEL;
+ dw2 |= GEN7_WM_MSDISPMODE_PERSAMPLE;
+ }
+
+ BEGIN_BATCH(3);
+ OUT_BATCH(_3DSTATE_WM << 16 | (3 - 2));
+ OUT_BATCH(dw1);
+ OUT_BATCH(dw2);
+ ADVANCE_BATCH();
+}
+
+
+/**
+ * 3DSTATE_PS
+ *
+ * Pixel shader dispatch is disabled above in 3DSTATE_WM, dw1.29. Despite
+ * that, thread dispatch info must still be specified.
+ * - Maximum Number of Threads (dw4.24:31) must be nonzero, as the
+ * valid range for this field is [0x3, 0x2f].
+ * - A dispatch mode must be given; that is, at least one of the
+ * "N Pixel Dispatch Enable" (N=8,16,32) fields must be set. This was
+ * discovered through simulator error messages.
+ */
+static void
+gen7_blorp_emit_ps_config(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ const struct brw_blorp_prog_data *prog_data = params->wm_prog_data;
+ uint32_t dw2, dw4, dw5;
+ const int max_threads_shift = brw->is_haswell ?
+ HSW_PS_MAX_THREADS_SHIFT : IVB_PS_MAX_THREADS_SHIFT;
+
+ dw2 = dw4 = dw5 = 0;
+ dw4 |= (brw->max_wm_threads - 1) << max_threads_shift;
+
+ /* If there's a WM program, we need to do 16-pixel dispatch since that's
+ * what the program is compiled for. If there isn't, then it shouldn't
+ * matter because no program is actually being run. However, the hardware
+ * gets angry if we don't enable at least one dispatch mode, so just enable
+ * 16-pixel dispatch unconditionally.
+ */
+ dw4 |= GEN7_PS_16_DISPATCH_ENABLE;
+
+ if (brw->is_haswell)
+ dw4 |= SET_FIELD(1, HSW_PS_SAMPLE_MASK); /* 1 sample for now */
+ if (params->wm_prog_data) {
+ dw4 |= GEN7_PS_PUSH_CONSTANT_ENABLE;
+ dw5 |= prog_data->first_curbe_grf << GEN7_PS_DISPATCH_START_GRF_SHIFT_0;
+ }
+
+ if (params->src.mt)
+ dw2 |= 1 << GEN7_PS_SAMPLER_COUNT_SHIFT; /* Up to 4 samplers */
+
+ dw4 |= params->fast_clear_op;
+
+ BEGIN_BATCH(8);
+ OUT_BATCH(_3DSTATE_PS << 16 | (8 - 2));
+ OUT_BATCH(params->wm_prog_kernel);
+ OUT_BATCH(dw2);
+ OUT_BATCH(0);
+ OUT_BATCH(dw4);
+ OUT_BATCH(dw5);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+
+void
+gen7_blorp_emit_binding_table_pointers_ps(struct brw_context *brw,
+ uint32_t wm_bind_bo_offset)
+{
+ BEGIN_BATCH(2);
+ OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS_PS << 16 | (2 - 2));
+ OUT_BATCH(wm_bind_bo_offset);
+ ADVANCE_BATCH();
+}
+
+
+void
+gen7_blorp_emit_sampler_state_pointers_ps(struct brw_context *brw,
+ uint32_t sampler_offset)
+{
+ BEGIN_BATCH(2);
+ OUT_BATCH(_3DSTATE_SAMPLER_STATE_POINTERS_PS << 16 | (2 - 2));
+ OUT_BATCH(sampler_offset);
+ ADVANCE_BATCH();
+}
+
+
+void
+gen7_blorp_emit_constant_ps(struct brw_context *brw,
+ uint32_t wm_push_const_offset)
+{
+ const uint8_t mocs = GEN7_MOCS_L3;
+
+ /* Make sure the push constants fill an exact integer number of
+ * registers.
+ */
+ assert(sizeof(struct brw_blorp_wm_push_constants) % 32 == 0);
+
+ /* There must be at least one register worth of push constant data. */
+ assert(BRW_BLORP_NUM_PUSH_CONST_REGS > 0);
+
+ /* Enable push constant buffer 0. */
+ BEGIN_BATCH(7);
+ OUT_BATCH(_3DSTATE_CONSTANT_PS << 16 |
+ (7 - 2));
+ OUT_BATCH(BRW_BLORP_NUM_PUSH_CONST_REGS);
+ OUT_BATCH(0);
+ OUT_BATCH(wm_push_const_offset | mocs);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+void
+gen7_blorp_emit_constant_ps_disable(struct brw_context *brw)
+{
+ BEGIN_BATCH(7);
+ OUT_BATCH(_3DSTATE_CONSTANT_PS << 16 | (7 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+static void
+gen7_blorp_emit_depth_stencil_config(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ const uint8_t mocs = GEN7_MOCS_L3;
+ uint32_t surfwidth, surfheight;
+ uint32_t surftype;
+ unsigned int depth = MAX2(params->depth.mt->logical_depth0, 1);
+ unsigned int min_array_element;
+ GLenum gl_target = params->depth.mt->target;
+ unsigned int lod;
+
+ switch (gl_target) {
+ case GL_TEXTURE_CUBE_MAP_ARRAY:
+ case GL_TEXTURE_CUBE_MAP:
+ /* The PRM claims that we should use BRW_SURFACE_CUBE for this
+ * situation, but experiments show that gl_Layer doesn't work when we do
+ * this. So we use BRW_SURFACE_2D, since for rendering purposes this is
+ * equivalent.
+ */
+ surftype = BRW_SURFACE_2D;
+ depth *= 6;
+ break;
+ default:
+ surftype = translate_tex_target(gl_target);
+ break;
+ }
+
+ min_array_element = params->depth.layer;
+ if (params->depth.mt->num_samples > 1) {
+ /* Convert physical layer to logical layer. */
+ min_array_element /= params->depth.mt->num_samples;
+ }
+
+ lod = params->depth.level - params->depth.mt->first_level;
+
+ if (params->hiz_op != GEN6_HIZ_OP_NONE && lod == 0) {
+ /* HIZ ops for lod 0 may set the width & height a little
+ * larger to allow the fast depth clear to fit the hardware
+ * alignment requirements. (8x4)
+ */
+ surfwidth = params->depth.width;
+ surfheight = params->depth.height;
+ } else {
+ surfwidth = params->depth.mt->logical_width0;
+ surfheight = params->depth.mt->logical_height0;
+ }
+
+ /* 3DSTATE_DEPTH_BUFFER */
+ {
+ brw_emit_depth_stall_flushes(brw);
+
+ BEGIN_BATCH(7);
+ OUT_BATCH(GEN7_3DSTATE_DEPTH_BUFFER << 16 | (7 - 2));
+ OUT_BATCH((params->depth.mt->pitch - 1) |
+ params->depth_format << 18 |
+ 1 << 22 | /* hiz enable */
+ 1 << 28 | /* depth write */
+ surftype << 29);
+ OUT_RELOC(params->depth.mt->bo,
+ I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
+ 0);
+ OUT_BATCH((surfwidth - 1) << 4 |
+ (surfheight - 1) << 18 |
+ lod);
+ OUT_BATCH(((depth - 1) << 21) |
+ (min_array_element << 10) |
+ mocs);
+ OUT_BATCH(0);
+ OUT_BATCH((depth - 1) << 21);
+ ADVANCE_BATCH();
+ }
+
+ /* 3DSTATE_HIER_DEPTH_BUFFER */
+ {
+ struct intel_miptree_aux_buffer *hiz_buf = params->depth.mt->hiz_buf;
+
+ BEGIN_BATCH(3);
+ OUT_BATCH((GEN7_3DSTATE_HIER_DEPTH_BUFFER << 16) | (3 - 2));
+ OUT_BATCH((mocs << 25) |
+ (hiz_buf->pitch - 1));
+ OUT_RELOC(hiz_buf->bo,
+ I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
+ 0);
+ ADVANCE_BATCH();
+ }
+
+ /* 3DSTATE_STENCIL_BUFFER */
+ {
+ BEGIN_BATCH(3);
+ OUT_BATCH((GEN7_3DSTATE_STENCIL_BUFFER << 16) | (3 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+ }
+}
+
+
+static void
+gen7_blorp_emit_depth_disable(struct brw_context *brw)
+{
+ brw_emit_depth_stall_flushes(brw);
+
+ BEGIN_BATCH(7);
+ OUT_BATCH(GEN7_3DSTATE_DEPTH_BUFFER << 16 | (7 - 2));
+ OUT_BATCH(BRW_DEPTHFORMAT_D32_FLOAT << 18 | (BRW_SURFACE_NULL << 29));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+
+ BEGIN_BATCH(3);
+ OUT_BATCH(GEN7_3DSTATE_HIER_DEPTH_BUFFER << 16 | (3 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+
+ BEGIN_BATCH(3);
+ OUT_BATCH(GEN7_3DSTATE_STENCIL_BUFFER << 16 | (3 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+
+/* 3DSTATE_CLEAR_PARAMS
+ *
+ * From the Ivybridge PRM, Volume 2 Part 1, Section 11.5.5.4
+ * 3DSTATE_CLEAR_PARAMS:
+ * 3DSTATE_CLEAR_PARAMS must always be programmed in the along
+ * with the other Depth/Stencil state commands(i.e. 3DSTATE_DEPTH_BUFFER,
+ * 3DSTATE_STENCIL_BUFFER, or 3DSTATE_HIER_DEPTH_BUFFER).
+ */
+void
+gen7_blorp_emit_clear_params(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ BEGIN_BATCH(3);
+ OUT_BATCH(GEN7_3DSTATE_CLEAR_PARAMS << 16 | (3 - 2));
+ OUT_BATCH(params->depth.mt ? params->depth.mt->depth_clear_value : 0);
+ OUT_BATCH(GEN7_DEPTH_CLEAR_VALID);
+ ADVANCE_BATCH();
+}
+
+
+/* 3DPRIMITIVE */
+void
+gen7_blorp_emit_primitive(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ BEGIN_BATCH(7);
+ OUT_BATCH(CMD_3D_PRIM << 16 | (7 - 2));
+ OUT_BATCH(GEN7_3DPRIM_VERTEXBUFFER_ACCESS_SEQUENTIAL |
+ _3DPRIM_RECTLIST);
+ OUT_BATCH(3); /* vertex count per instance */
+ OUT_BATCH(0);
+ OUT_BATCH(params->num_layers); /* instance count */
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+
+/**
+ * \copydoc gen6_blorp_exec()
+ */
+void
+gen7_blorp_exec(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ if (brw->gen >= 8)
+ return;
+
+ uint32_t cc_blend_state_offset = 0;
+ uint32_t cc_state_offset = 0;
+ uint32_t depthstencil_offset;
+ uint32_t wm_push_const_offset = 0;
+ uint32_t wm_bind_bo_offset = 0;
+
+ if (brw_state_base_address.dirty.brw & brw->ctx.NewDriverState)
+ brw_state_base_address.emit(brw);
+
+ gen6_emit_3dstate_multisample(brw, params->dst.num_samples);
+ gen6_emit_3dstate_sample_mask(brw,
+ params->dst.num_samples > 1 ?
+ (1 << params->dst.num_samples) - 1 : 1);
+ gen6_blorp_emit_vertices(brw, params);
+ gen7_blorp_emit_urb_config(brw);
+ if (params->wm_prog_data) {
+ cc_blend_state_offset = gen6_blorp_emit_blend_state(brw, params);
+ cc_state_offset = gen6_blorp_emit_cc_state(brw);
+ gen7_blorp_emit_blend_state_pointer(brw, cc_blend_state_offset);
+ gen7_blorp_emit_cc_state_pointer(brw, cc_state_offset);
+ }
+ depthstencil_offset = gen6_blorp_emit_depth_stencil_state(brw, params);
+ gen7_blorp_emit_depth_stencil_state_pointers(brw, depthstencil_offset);
+ if (brw->use_resource_streamer)
+ gen7_disable_hw_binding_tables(brw);
+ if (params->wm_prog_data) {
+ uint32_t wm_surf_offset_renderbuffer;
+ uint32_t wm_surf_offset_texture = 0;
+ wm_push_const_offset = gen6_blorp_emit_wm_constants(brw, params);
+ intel_miptree_used_for_rendering(params->dst.mt);
+ wm_surf_offset_renderbuffer =
+ gen7_blorp_emit_surface_state(brw, ¶ms->dst,
+ I915_GEM_DOMAIN_RENDER,
+ I915_GEM_DOMAIN_RENDER,
+ true /* is_render_target */);
+ if (params->src.mt) {
+ wm_surf_offset_texture =
+ gen7_blorp_emit_surface_state(brw, ¶ms->src,
+ I915_GEM_DOMAIN_SAMPLER, 0,
+ false /* is_render_target */);
+ }
+ wm_bind_bo_offset =
+ gen6_blorp_emit_binding_table(brw,
+ wm_surf_offset_renderbuffer,
+ wm_surf_offset_texture);
+ }
+ gen7_blorp_emit_vs_disable(brw);
+ gen7_blorp_emit_hs_disable(brw);
+ gen7_blorp_emit_te_disable(brw);
+ gen7_blorp_emit_ds_disable(brw);
+ gen7_blorp_emit_gs_disable(brw);
+ gen7_blorp_emit_streamout_disable(brw);
+ gen6_blorp_emit_clip_disable(brw);
+ gen7_blorp_emit_sf_config(brw, params);
+ gen7_blorp_emit_wm_config(brw, params);
+ if (params->wm_prog_data) {
+ gen7_blorp_emit_binding_table_pointers_ps(brw, wm_bind_bo_offset);
+ gen7_blorp_emit_constant_ps(brw, wm_push_const_offset);
+ } else {
+ gen7_blorp_emit_constant_ps_disable(brw);
+ }
+
+ if (params->src.mt) {
+ const uint32_t sampler_offset =
+ gen6_blorp_emit_sampler_state(brw, BRW_MAPFILTER_LINEAR, 0, true);
+ gen7_blorp_emit_sampler_state_pointers_ps(brw, sampler_offset);
+ }
+
+ gen7_blorp_emit_ps_config(brw, params);
+ gen7_blorp_emit_cc_viewport(brw);
+
+ if (params->depth.mt)
+ gen7_blorp_emit_depth_stencil_config(brw, params);
+ else
+ gen7_blorp_emit_depth_disable(brw);
+ gen7_blorp_emit_clear_params(brw, params);
+ gen6_blorp_emit_drawing_rectangle(brw, params);
+ gen7_blorp_emit_primitive(brw, params);
+}
+++ /dev/null
-/*
- * Copyright © 2011 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
-
-#include <assert.h>
-
-#include "intel_batchbuffer.h"
-#include "intel_mipmap_tree.h"
-
-#include "brw_context.h"
-#include "brw_state.h"
-
-#include "brw_blorp.h"
-
-static bool
-gen7_blorp_skip_urb_config(const struct brw_context *brw)
-{
- if (brw->ctx.NewDriverState & (BRW_NEW_CONTEXT | BRW_NEW_URB_SIZE))
- return false;
-
- /* Vertex buffer takes 24 bytes. As the size is expressed in 64 bytes,
- * one will suffice, otherwise the setup can be any valid configuration.
- */
- return brw->urb.vsize > 0;
-}
-
-/* 3DSTATE_URB_VS
- * 3DSTATE_URB_HS
- * 3DSTATE_URB_DS
- * 3DSTATE_URB_GS
- *
- * If the 3DSTATE_URB_VS is emitted, than the others must be also.
- * From the Ivybridge PRM, Volume 2 Part 1, section 1.7.1 3DSTATE_URB_VS:
- *
- * 3DSTATE_URB_HS, 3DSTATE_URB_DS, and 3DSTATE_URB_GS must also be
- * programmed in order for the programming of this state to be
- * valid.
- */
-void
-gen7_blorp_emit_urb_config(struct brw_context *brw)
-{
- /* URB allocations must be done in 8k chunks. */
- const unsigned chunk_size_bytes = 8192;
- const unsigned urb_size =
- (brw->gen >= 8 || (brw->is_haswell && brw->gt == 3)) ? 32 : 16;
- const unsigned push_constant_bytes = 1024 * urb_size;
- const unsigned push_constant_chunks =
- push_constant_bytes / chunk_size_bytes;
- const unsigned vs_size = 1;
- const unsigned vs_start = push_constant_chunks;
- const unsigned vs_chunks =
- DIV_ROUND_UP(brw->urb.min_vs_entries * vs_size * 64, chunk_size_bytes);
-
- if (gen7_blorp_skip_urb_config(brw))
- return;
-
- brw->ctx.NewDriverState |= BRW_NEW_URB_SIZE;
-
- gen7_emit_push_constant_state(brw,
- urb_size / 2 /* vs_size */,
- 0 /* hs_size */,
- 0 /* ds_size */,
- 0 /* gs_size */,
- urb_size / 2 /* fs_size */);
-
- gen7_emit_urb_state(brw,
- brw->urb.min_vs_entries /* num_vs_entries */,
- vs_size,
- vs_start,
- 0 /* num_hs_entries */,
- 1 /* hs_size */,
- vs_start + vs_chunks /* hs_start */,
- 0 /* num_ds_entries */,
- 1 /* ds_size */,
- vs_start + vs_chunks /* ds_start */,
- 0 /* num_gs_entries */,
- 1 /* gs_size */,
- vs_start + vs_chunks /* gs_start */);
-}
-
-
-/* 3DSTATE_BLEND_STATE_POINTERS */
-void
-gen7_blorp_emit_blend_state_pointer(struct brw_context *brw,
- uint32_t cc_blend_state_offset)
-{
- BEGIN_BATCH(2);
- OUT_BATCH(_3DSTATE_BLEND_STATE_POINTERS << 16 | (2 - 2));
- OUT_BATCH(cc_blend_state_offset | 1);
- ADVANCE_BATCH();
-}
-
-
-/* 3DSTATE_CC_STATE_POINTERS */
-void
-gen7_blorp_emit_cc_state_pointer(struct brw_context *brw,
- uint32_t cc_state_offset)
-{
- BEGIN_BATCH(2);
- OUT_BATCH(_3DSTATE_CC_STATE_POINTERS << 16 | (2 - 2));
- OUT_BATCH(cc_state_offset | 1);
- ADVANCE_BATCH();
-}
-
-void
-gen7_blorp_emit_cc_viewport(struct brw_context *brw)
-{
- struct brw_cc_viewport *ccv;
- uint32_t cc_vp_offset;
-
- ccv = (struct brw_cc_viewport *)brw_state_batch(brw, AUB_TRACE_CC_VP_STATE,
- sizeof(*ccv), 32,
- &cc_vp_offset);
- ccv->min_depth = 0.0;
- ccv->max_depth = 1.0;
-
- BEGIN_BATCH(2);
- OUT_BATCH(_3DSTATE_VIEWPORT_STATE_POINTERS_CC << 16 | (2 - 2));
- OUT_BATCH(cc_vp_offset);
- ADVANCE_BATCH();
-}
-
-
-/* 3DSTATE_DEPTH_STENCIL_STATE_POINTERS
- *
- * The offset is relative to CMD_STATE_BASE_ADDRESS.DynamicStateBaseAddress.
- */
-static void
-gen7_blorp_emit_depth_stencil_state_pointers(struct brw_context *brw,
- uint32_t depthstencil_offset)
-{
- BEGIN_BATCH(2);
- OUT_BATCH(_3DSTATE_DEPTH_STENCIL_STATE_POINTERS << 16 | (2 - 2));
- OUT_BATCH(depthstencil_offset | 1);
- ADVANCE_BATCH();
-}
-
-
-/* SURFACE_STATE for renderbuffer or texture surface (see
- * brw_update_renderbuffer_surface and brw_update_texture_surface)
- */
-static uint32_t
-gen7_blorp_emit_surface_state(struct brw_context *brw,
- const struct brw_blorp_surface_info *surface,
- uint32_t read_domains, uint32_t write_domain,
- bool is_render_target)
-{
- uint32_t wm_surf_offset;
- uint32_t width = surface->width;
- uint32_t height = surface->height;
- /* Note: since gen7 uses INTEL_MSAA_LAYOUT_CMS or INTEL_MSAA_LAYOUT_UMS for
- * color surfaces, width and height are measured in pixels; we don't need
- * to divide them by 2 as we do for Gen6 (see
- * gen6_blorp_emit_surface_state).
- */
- struct intel_mipmap_tree *mt = surface->mt;
- uint32_t tile_x, tile_y;
- const uint8_t mocs = GEN7_MOCS_L3;
-
- uint32_t tiling = surface->map_stencil_as_y_tiled
- ? I915_TILING_Y : mt->tiling;
-
- uint32_t *surf = (uint32_t *)
- brw_state_batch(brw, AUB_TRACE_SURFACE_STATE, 8 * 4, 32, &wm_surf_offset);
- memset(surf, 0, 8 * 4);
-
- surf[0] = BRW_SURFACE_2D << BRW_SURFACE_TYPE_SHIFT |
- surface->brw_surfaceformat << BRW_SURFACE_FORMAT_SHIFT |
- gen7_surface_tiling_mode(tiling);
-
- if (surface->mt->valign == 4)
- surf[0] |= GEN7_SURFACE_VALIGN_4;
- if (surface->mt->halign == 8)
- surf[0] |= GEN7_SURFACE_HALIGN_8;
-
- if (surface->array_layout == ALL_SLICES_AT_EACH_LOD)
- surf[0] |= GEN7_SURFACE_ARYSPC_LOD0;
- else
- surf[0] |= GEN7_SURFACE_ARYSPC_FULL;
-
- /* reloc */
- surf[1] = brw_blorp_compute_tile_offsets(surface, &tile_x, &tile_y) +
- mt->bo->offset64;
-
- /* Note that the low bits of these fields are missing, so
- * there's the possibility of getting in trouble.
- */
- assert(tile_x % 4 == 0);
- assert(tile_y % 2 == 0);
- surf[5] = SET_FIELD(tile_x / 4, BRW_SURFACE_X_OFFSET) |
- SET_FIELD(tile_y / 2, BRW_SURFACE_Y_OFFSET) |
- SET_FIELD(mocs, GEN7_SURFACE_MOCS);
-
- surf[2] = SET_FIELD(width - 1, GEN7_SURFACE_WIDTH) |
- SET_FIELD(height - 1, GEN7_SURFACE_HEIGHT);
-
- uint32_t pitch_bytes = mt->pitch;
- if (surface->map_stencil_as_y_tiled)
- pitch_bytes *= 2;
- surf[3] = pitch_bytes - 1;
-
- surf[4] = gen7_surface_msaa_bits(surface->num_samples, surface->msaa_layout);
- if (surface->mt->mcs_mt) {
- gen7_set_surface_mcs_info(brw, surf, wm_surf_offset, surface->mt->mcs_mt,
- is_render_target);
- }
-
- surf[7] = surface->mt->fast_clear_color_value;
-
- if (brw->is_haswell) {
- surf[7] |= (SET_FIELD(HSW_SCS_RED, GEN7_SURFACE_SCS_R) |
- SET_FIELD(HSW_SCS_GREEN, GEN7_SURFACE_SCS_G) |
- SET_FIELD(HSW_SCS_BLUE, GEN7_SURFACE_SCS_B) |
- SET_FIELD(HSW_SCS_ALPHA, GEN7_SURFACE_SCS_A));
- }
-
- /* Emit relocation to surface contents */
- drm_intel_bo_emit_reloc(brw->batch.bo,
- wm_surf_offset + 4,
- mt->bo,
- surf[1] - mt->bo->offset64,
- read_domains, write_domain);
-
- gen7_check_surface_setup(surf, is_render_target);
-
- return wm_surf_offset;
-}
-
-
-/* 3DSTATE_VS
- *
- * Disable vertex shader.
- */
-static void
-gen7_blorp_emit_vs_disable(struct brw_context *brw)
-{
- BEGIN_BATCH(7);
- OUT_BATCH(_3DSTATE_CONSTANT_VS << 16 | (7 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-
- BEGIN_BATCH(6);
- OUT_BATCH(_3DSTATE_VS << 16 | (6 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-
-/* 3DSTATE_HS
- *
- * Disable the hull shader.
- */
-static void
-gen7_blorp_emit_hs_disable(struct brw_context *brw)
-{
- BEGIN_BATCH(7);
- OUT_BATCH(_3DSTATE_CONSTANT_HS << 16 | (7 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-
- BEGIN_BATCH(7);
- OUT_BATCH(_3DSTATE_HS << 16 | (7 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-
-/* 3DSTATE_TE
- *
- * Disable the tesselation engine.
- */
-void
-gen7_blorp_emit_te_disable(struct brw_context *brw)
-{
- BEGIN_BATCH(4);
- OUT_BATCH(_3DSTATE_TE << 16 | (4 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-
-/* 3DSTATE_DS
- *
- * Disable the domain shader.
- */
-static void
-gen7_blorp_emit_ds_disable(struct brw_context *brw)
-{
- BEGIN_BATCH(7);
- OUT_BATCH(_3DSTATE_CONSTANT_DS << 16 | (7 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-
- BEGIN_BATCH(6);
- OUT_BATCH(_3DSTATE_DS << 16 | (6 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-/* 3DSTATE_GS
- *
- * Disable the geometry shader.
- */
-static void
-gen7_blorp_emit_gs_disable(struct brw_context *brw)
-{
- BEGIN_BATCH(7);
- OUT_BATCH(_3DSTATE_CONSTANT_GS << 16 | (7 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-
- /**
- * From Graphics BSpec: 3D-Media-GPGPU Engine > 3D Pipeline Stages >
- * Geometry > Geometry Shader > State:
- *
- * "Note: Because of corruption in IVB:GT2, software needs to flush the
- * whole fixed function pipeline when the GS enable changes value in
- * the 3DSTATE_GS."
- *
- * The hardware architects have clarified that in this context "flush the
- * whole fixed function pipeline" means to emit a PIPE_CONTROL with the "CS
- * Stall" bit set.
- */
- if (brw->gen < 8 && !brw->is_haswell && brw->gt == 2 && brw->gs.enabled)
- gen7_emit_cs_stall_flush(brw);
-
- BEGIN_BATCH(7);
- OUT_BATCH(_3DSTATE_GS << 16 | (7 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
- brw->gs.enabled = false;
-}
-
-/* 3DSTATE_STREAMOUT
- *
- * Disable streamout.
- */
-static void
-gen7_blorp_emit_streamout_disable(struct brw_context *brw)
-{
- BEGIN_BATCH(3);
- OUT_BATCH(_3DSTATE_STREAMOUT << 16 | (3 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-
-static void
-gen7_blorp_emit_sf_config(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- /* 3DSTATE_SF
- *
- * Disable ViewportTransformEnable (dw1.1)
- *
- * From the SandyBridge PRM, Volume 2, Part 1, Section 1.3, "3D
- * Primitives Overview":
- * RECTLIST: Viewport Mapping must be DISABLED (as is typical with the
- * use of screen- space coordinates).
- *
- * A solid rectangle must be rendered, so set FrontFaceFillMode (dw1.6:5)
- * and BackFaceFillMode (dw1.4:3) to SOLID(0).
- *
- * From the Sandy Bridge PRM, Volume 2, Part 1, Section
- * 6.4.1.1 3DSTATE_SF, Field FrontFaceFillMode:
- * SOLID: Any triangle or rectangle object found to be front-facing
- * is rendered as a solid object. This setting is required when
- * (rendering rectangle (RECTLIST) objects.
- */
- {
- BEGIN_BATCH(7);
- OUT_BATCH(_3DSTATE_SF << 16 | (7 - 2));
- OUT_BATCH(params->depth_format <<
- GEN7_SF_DEPTH_BUFFER_SURFACE_FORMAT_SHIFT);
- OUT_BATCH(params->dst.num_samples > 1 ? GEN6_SF_MSRAST_ON_PATTERN : 0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
- }
-
- /* 3DSTATE_SBE */
- {
- BEGIN_BATCH(14);
- OUT_BATCH(_3DSTATE_SBE << 16 | (14 - 2));
- OUT_BATCH(GEN7_SBE_SWIZZLE_ENABLE |
- params->num_varyings << GEN7_SBE_NUM_OUTPUTS_SHIFT |
- 1 << GEN7_SBE_URB_ENTRY_READ_LENGTH_SHIFT |
- BRW_SF_URB_ENTRY_READ_OFFSET <<
- GEN7_SBE_URB_ENTRY_READ_OFFSET_SHIFT);
- for (int i = 0; i < 12; ++i)
- OUT_BATCH(0);
- ADVANCE_BATCH();
- }
-}
-
-
-/**
- * Disable thread dispatch (dw5.19) and enable the HiZ op.
- */
-static void
-gen7_blorp_emit_wm_config(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- const struct brw_blorp_prog_data *prog_data = params->wm_prog_data;
- uint32_t dw1 = 0, dw2 = 0;
-
- switch (params->hiz_op) {
- case GEN6_HIZ_OP_DEPTH_CLEAR:
- dw1 |= GEN7_WM_DEPTH_CLEAR;
- break;
- case GEN6_HIZ_OP_DEPTH_RESOLVE:
- dw1 |= GEN7_WM_DEPTH_RESOLVE;
- break;
- case GEN6_HIZ_OP_HIZ_RESOLVE:
- dw1 |= GEN7_WM_HIERARCHICAL_DEPTH_RESOLVE;
- break;
- case GEN6_HIZ_OP_NONE:
- break;
- default:
- unreachable("not reached");
- }
- dw1 |= GEN7_WM_LINE_AA_WIDTH_1_0;
- dw1 |= GEN7_WM_LINE_END_CAP_AA_WIDTH_0_5;
- dw1 |= 0 << GEN7_WM_BARYCENTRIC_INTERPOLATION_MODE_SHIFT; /* No interp */
-
- if (params->wm_prog_data)
- dw1 |= GEN7_WM_DISPATCH_ENABLE; /* We are rendering */
-
- if (params->src.mt)
- dw1 |= GEN7_WM_KILL_ENABLE; /* TODO: temporarily smash on */
-
- if (params->dst.num_samples > 1) {
- dw1 |= GEN7_WM_MSRAST_ON_PATTERN;
- if (prog_data && prog_data->persample_msaa_dispatch)
- dw2 |= GEN7_WM_MSDISPMODE_PERSAMPLE;
- else
- dw2 |= GEN7_WM_MSDISPMODE_PERPIXEL;
- } else {
- dw1 |= GEN7_WM_MSRAST_OFF_PIXEL;
- dw2 |= GEN7_WM_MSDISPMODE_PERSAMPLE;
- }
-
- BEGIN_BATCH(3);
- OUT_BATCH(_3DSTATE_WM << 16 | (3 - 2));
- OUT_BATCH(dw1);
- OUT_BATCH(dw2);
- ADVANCE_BATCH();
-}
-
-
-/**
- * 3DSTATE_PS
- *
- * Pixel shader dispatch is disabled above in 3DSTATE_WM, dw1.29. Despite
- * that, thread dispatch info must still be specified.
- * - Maximum Number of Threads (dw4.24:31) must be nonzero, as the
- * valid range for this field is [0x3, 0x2f].
- * - A dispatch mode must be given; that is, at least one of the
- * "N Pixel Dispatch Enable" (N=8,16,32) fields must be set. This was
- * discovered through simulator error messages.
- */
-static void
-gen7_blorp_emit_ps_config(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- const struct brw_blorp_prog_data *prog_data = params->wm_prog_data;
- uint32_t dw2, dw4, dw5;
- const int max_threads_shift = brw->is_haswell ?
- HSW_PS_MAX_THREADS_SHIFT : IVB_PS_MAX_THREADS_SHIFT;
-
- dw2 = dw4 = dw5 = 0;
- dw4 |= (brw->max_wm_threads - 1) << max_threads_shift;
-
- /* If there's a WM program, we need to do 16-pixel dispatch since that's
- * what the program is compiled for. If there isn't, then it shouldn't
- * matter because no program is actually being run. However, the hardware
- * gets angry if we don't enable at least one dispatch mode, so just enable
- * 16-pixel dispatch unconditionally.
- */
- dw4 |= GEN7_PS_16_DISPATCH_ENABLE;
-
- if (brw->is_haswell)
- dw4 |= SET_FIELD(1, HSW_PS_SAMPLE_MASK); /* 1 sample for now */
- if (params->wm_prog_data) {
- dw4 |= GEN7_PS_PUSH_CONSTANT_ENABLE;
- dw5 |= prog_data->first_curbe_grf << GEN7_PS_DISPATCH_START_GRF_SHIFT_0;
- }
-
- if (params->src.mt)
- dw2 |= 1 << GEN7_PS_SAMPLER_COUNT_SHIFT; /* Up to 4 samplers */
-
- dw4 |= params->fast_clear_op;
-
- BEGIN_BATCH(8);
- OUT_BATCH(_3DSTATE_PS << 16 | (8 - 2));
- OUT_BATCH(params->wm_prog_kernel);
- OUT_BATCH(dw2);
- OUT_BATCH(0);
- OUT_BATCH(dw4);
- OUT_BATCH(dw5);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-
-void
-gen7_blorp_emit_binding_table_pointers_ps(struct brw_context *brw,
- uint32_t wm_bind_bo_offset)
-{
- BEGIN_BATCH(2);
- OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS_PS << 16 | (2 - 2));
- OUT_BATCH(wm_bind_bo_offset);
- ADVANCE_BATCH();
-}
-
-
-void
-gen7_blorp_emit_sampler_state_pointers_ps(struct brw_context *brw,
- uint32_t sampler_offset)
-{
- BEGIN_BATCH(2);
- OUT_BATCH(_3DSTATE_SAMPLER_STATE_POINTERS_PS << 16 | (2 - 2));
- OUT_BATCH(sampler_offset);
- ADVANCE_BATCH();
-}
-
-
-void
-gen7_blorp_emit_constant_ps(struct brw_context *brw,
- uint32_t wm_push_const_offset)
-{
- const uint8_t mocs = GEN7_MOCS_L3;
-
- /* Make sure the push constants fill an exact integer number of
- * registers.
- */
- assert(sizeof(struct brw_blorp_wm_push_constants) % 32 == 0);
-
- /* There must be at least one register worth of push constant data. */
- assert(BRW_BLORP_NUM_PUSH_CONST_REGS > 0);
-
- /* Enable push constant buffer 0. */
- BEGIN_BATCH(7);
- OUT_BATCH(_3DSTATE_CONSTANT_PS << 16 |
- (7 - 2));
- OUT_BATCH(BRW_BLORP_NUM_PUSH_CONST_REGS);
- OUT_BATCH(0);
- OUT_BATCH(wm_push_const_offset | mocs);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-void
-gen7_blorp_emit_constant_ps_disable(struct brw_context *brw)
-{
- BEGIN_BATCH(7);
- OUT_BATCH(_3DSTATE_CONSTANT_PS << 16 | (7 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-static void
-gen7_blorp_emit_depth_stencil_config(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- const uint8_t mocs = GEN7_MOCS_L3;
- uint32_t surfwidth, surfheight;
- uint32_t surftype;
- unsigned int depth = MAX2(params->depth.mt->logical_depth0, 1);
- unsigned int min_array_element;
- GLenum gl_target = params->depth.mt->target;
- unsigned int lod;
-
- switch (gl_target) {
- case GL_TEXTURE_CUBE_MAP_ARRAY:
- case GL_TEXTURE_CUBE_MAP:
- /* The PRM claims that we should use BRW_SURFACE_CUBE for this
- * situation, but experiments show that gl_Layer doesn't work when we do
- * this. So we use BRW_SURFACE_2D, since for rendering purposes this is
- * equivalent.
- */
- surftype = BRW_SURFACE_2D;
- depth *= 6;
- break;
- default:
- surftype = translate_tex_target(gl_target);
- break;
- }
-
- min_array_element = params->depth.layer;
- if (params->depth.mt->num_samples > 1) {
- /* Convert physical layer to logical layer. */
- min_array_element /= params->depth.mt->num_samples;
- }
-
- lod = params->depth.level - params->depth.mt->first_level;
-
- if (params->hiz_op != GEN6_HIZ_OP_NONE && lod == 0) {
- /* HIZ ops for lod 0 may set the width & height a little
- * larger to allow the fast depth clear to fit the hardware
- * alignment requirements. (8x4)
- */
- surfwidth = params->depth.width;
- surfheight = params->depth.height;
- } else {
- surfwidth = params->depth.mt->logical_width0;
- surfheight = params->depth.mt->logical_height0;
- }
-
- /* 3DSTATE_DEPTH_BUFFER */
- {
- brw_emit_depth_stall_flushes(brw);
-
- BEGIN_BATCH(7);
- OUT_BATCH(GEN7_3DSTATE_DEPTH_BUFFER << 16 | (7 - 2));
- OUT_BATCH((params->depth.mt->pitch - 1) |
- params->depth_format << 18 |
- 1 << 22 | /* hiz enable */
- 1 << 28 | /* depth write */
- surftype << 29);
- OUT_RELOC(params->depth.mt->bo,
- I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
- 0);
- OUT_BATCH((surfwidth - 1) << 4 |
- (surfheight - 1) << 18 |
- lod);
- OUT_BATCH(((depth - 1) << 21) |
- (min_array_element << 10) |
- mocs);
- OUT_BATCH(0);
- OUT_BATCH((depth - 1) << 21);
- ADVANCE_BATCH();
- }
-
- /* 3DSTATE_HIER_DEPTH_BUFFER */
- {
- struct intel_miptree_aux_buffer *hiz_buf = params->depth.mt->hiz_buf;
-
- BEGIN_BATCH(3);
- OUT_BATCH((GEN7_3DSTATE_HIER_DEPTH_BUFFER << 16) | (3 - 2));
- OUT_BATCH((mocs << 25) |
- (hiz_buf->pitch - 1));
- OUT_RELOC(hiz_buf->bo,
- I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
- 0);
- ADVANCE_BATCH();
- }
-
- /* 3DSTATE_STENCIL_BUFFER */
- {
- BEGIN_BATCH(3);
- OUT_BATCH((GEN7_3DSTATE_STENCIL_BUFFER << 16) | (3 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
- }
-}
-
-
-static void
-gen7_blorp_emit_depth_disable(struct brw_context *brw)
-{
- brw_emit_depth_stall_flushes(brw);
-
- BEGIN_BATCH(7);
- OUT_BATCH(GEN7_3DSTATE_DEPTH_BUFFER << 16 | (7 - 2));
- OUT_BATCH(BRW_DEPTHFORMAT_D32_FLOAT << 18 | (BRW_SURFACE_NULL << 29));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-
- BEGIN_BATCH(3);
- OUT_BATCH(GEN7_3DSTATE_HIER_DEPTH_BUFFER << 16 | (3 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-
- BEGIN_BATCH(3);
- OUT_BATCH(GEN7_3DSTATE_STENCIL_BUFFER << 16 | (3 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-
-/* 3DSTATE_CLEAR_PARAMS
- *
- * From the Ivybridge PRM, Volume 2 Part 1, Section 11.5.5.4
- * 3DSTATE_CLEAR_PARAMS:
- * 3DSTATE_CLEAR_PARAMS must always be programmed in the along
- * with the other Depth/Stencil state commands(i.e. 3DSTATE_DEPTH_BUFFER,
- * 3DSTATE_STENCIL_BUFFER, or 3DSTATE_HIER_DEPTH_BUFFER).
- */
-void
-gen7_blorp_emit_clear_params(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- BEGIN_BATCH(3);
- OUT_BATCH(GEN7_3DSTATE_CLEAR_PARAMS << 16 | (3 - 2));
- OUT_BATCH(params->depth.mt ? params->depth.mt->depth_clear_value : 0);
- OUT_BATCH(GEN7_DEPTH_CLEAR_VALID);
- ADVANCE_BATCH();
-}
-
-
-/* 3DPRIMITIVE */
-void
-gen7_blorp_emit_primitive(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- BEGIN_BATCH(7);
- OUT_BATCH(CMD_3D_PRIM << 16 | (7 - 2));
- OUT_BATCH(GEN7_3DPRIM_VERTEXBUFFER_ACCESS_SEQUENTIAL |
- _3DPRIM_RECTLIST);
- OUT_BATCH(3); /* vertex count per instance */
- OUT_BATCH(0);
- OUT_BATCH(params->num_layers); /* instance count */
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-
-/**
- * \copydoc gen6_blorp_exec()
- */
-void
-gen7_blorp_exec(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- if (brw->gen >= 8)
- return;
-
- uint32_t cc_blend_state_offset = 0;
- uint32_t cc_state_offset = 0;
- uint32_t depthstencil_offset;
- uint32_t wm_push_const_offset = 0;
- uint32_t wm_bind_bo_offset = 0;
-
- if (brw_state_base_address.dirty.brw & brw->ctx.NewDriverState)
- brw_state_base_address.emit(brw);
-
- gen6_emit_3dstate_multisample(brw, params->dst.num_samples);
- gen6_emit_3dstate_sample_mask(brw,
- params->dst.num_samples > 1 ?
- (1 << params->dst.num_samples) - 1 : 1);
- gen6_blorp_emit_vertices(brw, params);
- gen7_blorp_emit_urb_config(brw);
- if (params->wm_prog_data) {
- cc_blend_state_offset = gen6_blorp_emit_blend_state(brw, params);
- cc_state_offset = gen6_blorp_emit_cc_state(brw);
- gen7_blorp_emit_blend_state_pointer(brw, cc_blend_state_offset);
- gen7_blorp_emit_cc_state_pointer(brw, cc_state_offset);
- }
- depthstencil_offset = gen6_blorp_emit_depth_stencil_state(brw, params);
- gen7_blorp_emit_depth_stencil_state_pointers(brw, depthstencil_offset);
- if (brw->use_resource_streamer)
- gen7_disable_hw_binding_tables(brw);
- if (params->wm_prog_data) {
- uint32_t wm_surf_offset_renderbuffer;
- uint32_t wm_surf_offset_texture = 0;
- wm_push_const_offset = gen6_blorp_emit_wm_constants(brw, params);
- intel_miptree_used_for_rendering(params->dst.mt);
- wm_surf_offset_renderbuffer =
- gen7_blorp_emit_surface_state(brw, ¶ms->dst,
- I915_GEM_DOMAIN_RENDER,
- I915_GEM_DOMAIN_RENDER,
- true /* is_render_target */);
- if (params->src.mt) {
- wm_surf_offset_texture =
- gen7_blorp_emit_surface_state(brw, ¶ms->src,
- I915_GEM_DOMAIN_SAMPLER, 0,
- false /* is_render_target */);
- }
- wm_bind_bo_offset =
- gen6_blorp_emit_binding_table(brw,
- wm_surf_offset_renderbuffer,
- wm_surf_offset_texture);
- }
- gen7_blorp_emit_vs_disable(brw);
- gen7_blorp_emit_hs_disable(brw);
- gen7_blorp_emit_te_disable(brw);
- gen7_blorp_emit_ds_disable(brw);
- gen7_blorp_emit_gs_disable(brw);
- gen7_blorp_emit_streamout_disable(brw);
- gen6_blorp_emit_clip_disable(brw);
- gen7_blorp_emit_sf_config(brw, params);
- gen7_blorp_emit_wm_config(brw, params);
- if (params->wm_prog_data) {
- gen7_blorp_emit_binding_table_pointers_ps(brw, wm_bind_bo_offset);
- gen7_blorp_emit_constant_ps(brw, wm_push_const_offset);
- } else {
- gen7_blorp_emit_constant_ps_disable(brw);
- }
-
- if (params->src.mt) {
- const uint32_t sampler_offset =
- gen6_blorp_emit_sampler_state(brw, BRW_MAPFILTER_LINEAR, 0, true);
- gen7_blorp_emit_sampler_state_pointers_ps(brw, sampler_offset);
- }
-
- gen7_blorp_emit_ps_config(brw, params);
- gen7_blorp_emit_cc_viewport(brw);
-
- if (params->depth.mt)
- gen7_blorp_emit_depth_stencil_config(brw, params);
- else
- gen7_blorp_emit_depth_disable(brw);
- gen7_blorp_emit_clear_params(brw, params);
- gen6_blorp_emit_drawing_rectangle(brw, params);
- gen7_blorp_emit_primitive(brw, params);
-}
--- /dev/null
+/*
+ * Copyright © 2016 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <assert.h>
+
+#include "intel_batchbuffer.h"
+#include "intel_fbo.h"
+#include "intel_mipmap_tree.h"
+
+#include "brw_context.h"
+#include "brw_defines.h"
+#include "brw_state.h"
+
+#include "brw_blorp.h"
+
+
+/* SURFACE_STATE for renderbuffer or texture surface (see
+ * brw_update_renderbuffer_surface and brw_update_texture_surface)
+ */
+static uint32_t
+gen8_blorp_emit_surface_state(struct brw_context *brw,
+ const struct brw_blorp_surface_info *surface,
+ uint32_t read_domains, uint32_t write_domain,
+ bool is_render_target)
+{
+ uint32_t wm_surf_offset;
+ const struct intel_mipmap_tree *mt = surface->mt;
+ const uint32_t mocs_wb = is_render_target ?
+ (brw->gen >= 9 ? SKL_MOCS_PTE : BDW_MOCS_PTE) :
+ (brw->gen >= 9 ? SKL_MOCS_WB : BDW_MOCS_WB);
+ const uint32_t tiling = surface->map_stencil_as_y_tiled
+ ? I915_TILING_Y : mt->tiling;
+ uint32_t tile_x, tile_y;
+
+ uint32_t *surf = gen8_allocate_surface_state(brw, &wm_surf_offset, -1);
+
+ surf[0] = BRW_SURFACE_2D << BRW_SURFACE_TYPE_SHIFT |
+ surface->brw_surfaceformat << BRW_SURFACE_FORMAT_SHIFT |
+ gen8_vertical_alignment(brw, mt, BRW_SURFACE_2D) |
+ gen8_horizontal_alignment(brw, mt, BRW_SURFACE_2D) |
+ gen8_surface_tiling_mode(tiling);
+
+ surf[1] = SET_FIELD(mocs_wb, GEN8_SURFACE_MOCS) | mt->qpitch >> 2;
+
+ surf[2] = SET_FIELD(surface->width - 1, GEN7_SURFACE_WIDTH) |
+ SET_FIELD(surface->height - 1, GEN7_SURFACE_HEIGHT);
+
+ uint32_t pitch_bytes = mt->pitch;
+ if (surface->map_stencil_as_y_tiled)
+ pitch_bytes *= 2;
+ surf[3] = pitch_bytes - 1;
+
+ surf[4] = gen7_surface_msaa_bits(surface->num_samples,
+ surface->msaa_layout);
+
+ if (surface->mt->mcs_mt) {
+ surf[6] = SET_FIELD(surface->mt->qpitch / 4, GEN8_SURFACE_AUX_QPITCH) |
+ SET_FIELD((surface->mt->mcs_mt->pitch / 128) - 1,
+ GEN8_SURFACE_AUX_PITCH) |
+ GEN8_SURFACE_AUX_MODE_MCS;
+ } else {
+ surf[6] = 0;
+ }
+
+ gen8_emit_fast_clear_color(brw, mt, surf);
+ surf[7] |= SET_FIELD(HSW_SCS_RED, GEN7_SURFACE_SCS_R) |
+ SET_FIELD(HSW_SCS_GREEN, GEN7_SURFACE_SCS_G) |
+ SET_FIELD(HSW_SCS_BLUE, GEN7_SURFACE_SCS_B) |
+ SET_FIELD(HSW_SCS_ALPHA, GEN7_SURFACE_SCS_A);
+
+ /* reloc */
+ *((uint64_t *)&surf[8]) =
+ brw_blorp_compute_tile_offsets(surface, &tile_x, &tile_y) +
+ mt->bo->offset64;
+
+ /* Note that the low bits of these fields are missing, so there's the
+ * possibility of getting in trouble.
+ */
+ assert(tile_x % 4 == 0);
+ assert(tile_y % 4 == 0);
+ surf[5] = SET_FIELD(tile_x / 4, BRW_SURFACE_X_OFFSET) |
+ SET_FIELD(tile_y / 4, GEN8_SURFACE_Y_OFFSET);
+
+ if (brw->gen >= 9) {
+ /* Disable Mip Tail by setting a large value. */
+ surf[5] |= SET_FIELD(15, GEN9_SURFACE_MIP_TAIL_START_LOD);
+ }
+
+ if (surface->mt->mcs_mt) {
+ *((uint64_t *) &surf[10]) = surface->mt->mcs_mt->bo->offset64;
+ drm_intel_bo_emit_reloc(brw->batch.bo,
+ wm_surf_offset + 10 * 4,
+ surface->mt->mcs_mt->bo, 0,
+ read_domains, write_domain);
+ }
+
+ /* Emit relocation to surface contents */
+ drm_intel_bo_emit_reloc(brw->batch.bo,
+ wm_surf_offset + 8 * 4,
+ mt->bo,
+ surf[8] - mt->bo->offset64,
+ read_domains, write_domain);
+
+ return wm_surf_offset;
+}
+
+static uint32_t
+gen8_blorp_emit_blend_state(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ uint32_t blend_state_offset;
+
+ assume(params->num_draw_buffers);
+
+ const unsigned size = 4 + 8 * params->num_draw_buffers;
+ uint32_t *blend = (uint32_t *)brw_state_batch(brw, AUB_TRACE_BLEND_STATE,
+ size, 64,
+ &blend_state_offset);
+ memset(blend, 0, size);
+
+ for (unsigned i = 0; i < params->num_draw_buffers; ++i) {
+ if (params->color_write_disable[0])
+ blend[1 + 2 * i] |= GEN8_BLEND_WRITE_DISABLE_RED;
+ if (params->color_write_disable[1])
+ blend[1 + 2 * i] |= GEN8_BLEND_WRITE_DISABLE_GREEN;
+ if (params->color_write_disable[2])
+ blend[1 + 2 * i] |= GEN8_BLEND_WRITE_DISABLE_BLUE;
+ if (params->color_write_disable[3])
+ blend[1 + 2 * i] |= GEN8_BLEND_WRITE_DISABLE_ALPHA;
+
+ blend[1 + 2 * i + 1] = GEN8_BLEND_PRE_BLEND_COLOR_CLAMP_ENABLE |
+ GEN8_BLEND_POST_BLEND_COLOR_CLAMP_ENABLE |
+ GEN8_BLEND_COLOR_CLAMP_RANGE_RTFORMAT;
+ }
+
+ return blend_state_offset;
+}
+
+static void
+gen8_blorp_emit_disable_constant_state(struct brw_context *brw,
+ unsigned opcode)
+{
+ BEGIN_BATCH(11);
+ OUT_BATCH(opcode << 16 | (11 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+static void
+gen8_blorp_emit_disable_binding_table(struct brw_context *brw,
+ unsigned opcode)
+{
+
+ BEGIN_BATCH(2);
+ OUT_BATCH(opcode << 16 | (2 - 2));
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+/* 3DSTATE_VS
+ *
+ * Disable vertex shader.
+ */
+static void
+gen8_blorp_emit_vs_disable(struct brw_context *brw)
+{
+ BEGIN_BATCH(9);
+ OUT_BATCH(_3DSTATE_VS << 16 | (9 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+/* 3DSTATE_HS
+ *
+ * Disable the hull shader.
+ */
+static void
+gen8_blorp_emit_hs_disable(struct brw_context *brw)
+{
+ BEGIN_BATCH(9);
+ OUT_BATCH(_3DSTATE_HS << 16 | (9 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+/* 3DSTATE_DS
+ *
+ * Disable the domain shader.
+ */
+static void
+gen8_blorp_emit_ds_disable(struct brw_context *brw)
+{
+ const int ds_pkt_len = brw->gen >= 9 ? 11 : 9;
+ BEGIN_BATCH(ds_pkt_len);
+ OUT_BATCH(_3DSTATE_DS << 16 | (ds_pkt_len - 2));
+ for (int i = 0; i < ds_pkt_len - 1; i++)
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+/* 3DSTATE_GS
+ *
+ * Disable the geometry shader.
+ */
+static void
+gen8_blorp_emit_gs_disable(struct brw_context *brw)
+{
+ BEGIN_BATCH(10);
+ OUT_BATCH(_3DSTATE_GS << 16 | (10 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+/* 3DSTATE_STREAMOUT
+ *
+ * Disable streamout.
+ */
+static void
+gen8_blorp_emit_streamout_disable(struct brw_context *brw)
+{
+ BEGIN_BATCH(5);
+ OUT_BATCH(_3DSTATE_STREAMOUT << 16 | (5 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+static void
+gen8_blorp_emit_raster_state(struct brw_context *brw)
+{
+ BEGIN_BATCH(5);
+ OUT_BATCH(_3DSTATE_RASTER << 16 | (5 - 2));
+ OUT_BATCH(GEN8_RASTER_CULL_NONE);
+ OUT_BATCH_F(0);
+ OUT_BATCH_F(0);
+ OUT_BATCH_F(0);
+ ADVANCE_BATCH();
+}
+
+static void
+gen8_blorp_emit_sbe_state(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ /* 3DSTATE_SBE */
+ {
+ const unsigned sbe_cmd_length = brw->gen == 8 ? 4 : 6;
+ BEGIN_BATCH(sbe_cmd_length);
+ OUT_BATCH(_3DSTATE_SBE << 16 | (sbe_cmd_length - 2));
+ OUT_BATCH(GEN7_SBE_SWIZZLE_ENABLE |
+ params->num_varyings << GEN7_SBE_NUM_OUTPUTS_SHIFT |
+ 1 << GEN7_SBE_URB_ENTRY_READ_LENGTH_SHIFT |
+ BRW_SF_URB_ENTRY_READ_OFFSET <<
+ GEN8_SBE_URB_ENTRY_READ_OFFSET_SHIFT |
+ GEN8_SBE_FORCE_URB_ENTRY_READ_LENGTH |
+ GEN8_SBE_FORCE_URB_ENTRY_READ_OFFSET);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ if (sbe_cmd_length >= 6) {
+ OUT_BATCH(GEN9_SBE_ACTIVE_COMPONENT_XYZW << (0 << 1));
+ OUT_BATCH(0);
+ }
+ ADVANCE_BATCH();
+ }
+
+ {
+ BEGIN_BATCH(11);
+ OUT_BATCH(_3DSTATE_SBE_SWIZ << 16 | (11 - 2));
+
+ /* Output DWords 1 through 8: */
+ for (int i = 0; i < 8; i++) {
+ OUT_BATCH(0);
+ }
+
+ OUT_BATCH(0); /* wrapshortest enables 0-7 */
+ OUT_BATCH(0); /* wrapshortest enables 8-15 */
+ ADVANCE_BATCH();
+ }
+}
+
+static void
+gen8_blorp_emit_sf_config(struct brw_context *brw)
+{
+ /* See gen6_blorp_emit_sf_config() */
+ BEGIN_BATCH(4);
+ OUT_BATCH(_3DSTATE_SF << 16 | (4 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(GEN6_SF_LINE_AA_MODE_TRUE);
+ ADVANCE_BATCH();
+}
+
+/**
+ * Disable thread dispatch (dw5.19) and enable the HiZ op.
+ */
+static void
+gen8_blorp_emit_wm_state(struct brw_context *brw)
+{
+ BEGIN_BATCH(2);
+ OUT_BATCH(_3DSTATE_WM << 16 | (2 - 2));
+ OUT_BATCH(GEN7_WM_LINE_AA_WIDTH_1_0 |
+ GEN7_WM_LINE_END_CAP_AA_WIDTH_0_5 |
+ GEN7_WM_POINT_RASTRULE_UPPER_RIGHT);
+ ADVANCE_BATCH();
+}
+
+/**
+ * 3DSTATE_PS
+ *
+ * Pixel shader dispatch is disabled above in 3DSTATE_WM, dw1.29. Despite
+ * that, thread dispatch info must still be specified.
+ * - Maximum Number of Threads (dw4.24:31) must be nonzero, as the
+ * valid range for this field is [0x3, 0x2f].
+ * - A dispatch mode must be given; that is, at least one of the
+ * "N Pixel Dispatch Enable" (N=8,16,32) fields must be set. This was
+ * discovered through simulator error messages.
+ */
+static void
+gen8_blorp_emit_ps_config(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ const struct brw_blorp_prog_data *prog_data = params->wm_prog_data;
+ uint32_t dw3, dw5, dw6, dw7;
+
+ dw3 = dw5 = dw6 = dw7 = 0;
+ dw3 |= GEN7_PS_VECTOR_MASK_ENABLE;
+
+ dw6 |= GEN7_PS_16_DISPATCH_ENABLE;
+
+ if (params->src.mt) {
+ dw3 |= 1 << GEN7_PS_SAMPLER_COUNT_SHIFT; /* Up to 4 samplers */
+ dw3 |= 2 << GEN7_PS_BINDING_TABLE_ENTRY_COUNT_SHIFT; /* Two surfaces */
+ } else {
+ dw3 |= 1 << GEN7_PS_BINDING_TABLE_ENTRY_COUNT_SHIFT; /* One surface */
+ }
+
+ dw6 |= GEN7_PS_PUSH_CONSTANT_ENABLE;
+ dw7 |= prog_data->first_curbe_grf << GEN7_PS_DISPATCH_START_GRF_SHIFT_0;
+
+ /* 3DSTATE_PS expects the number of threads per PSD, which is always 64;
+ * it implicitly scales for different GT levels (which have some # of PSDs).
+ *
+ * In Gen8 the format is U8-2 whereas in Gen9 it is U8-1.
+ */
+ if (brw->gen >= 9)
+ dw6 |= (64 - 1) << HSW_PS_MAX_THREADS_SHIFT;
+ else
+ dw6 |= (64 - 2) << HSW_PS_MAX_THREADS_SHIFT;
+
+ dw6 |= GEN7_PS_POSOFFSET_NONE;
+ dw6 |= params->fast_clear_op;
+
+ BEGIN_BATCH(12);
+ OUT_BATCH(_3DSTATE_PS << 16 | (12 - 2));
+ OUT_BATCH(params->wm_prog_kernel);
+ OUT_BATCH(0);
+ OUT_BATCH(dw3);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(dw6);
+ OUT_BATCH(dw7);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+static void
+gen8_blorp_emit_ps_blend(struct brw_context *brw)
+{
+ BEGIN_BATCH(2);
+ OUT_BATCH(_3DSTATE_PS_BLEND << 16 | (2 - 2));
+ OUT_BATCH(GEN8_PS_BLEND_HAS_WRITEABLE_RT);
+ ADVANCE_BATCH();
+}
+
+static void
+gen8_blorp_emit_ps_extra(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ const struct brw_blorp_prog_data *prog_data = params->wm_prog_data;
+ uint32_t dw1 = 0;
+
+ dw1 |= GEN8_PSX_PIXEL_SHADER_VALID;
+
+ if (params->src.mt) {
+ dw1 |= GEN8_PSX_KILL_ENABLE;
+ dw1 |= GEN8_PSX_ATTRIBUTE_ENABLE;
+ }
+
+ if (params->dst.num_samples > 1 && prog_data &&
+ prog_data->persample_msaa_dispatch)
+ dw1 |= GEN8_PSX_SHADER_IS_PER_SAMPLE;
+
+ BEGIN_BATCH(2);
+ OUT_BATCH(_3DSTATE_PS_EXTRA << 16 | (2 - 2));
+ OUT_BATCH(dw1);
+ ADVANCE_BATCH();
+}
+
+static void
+gen8_blorp_emit_depth_disable(struct brw_context *brw)
+{
+ /* Skip repeated NULL depth/stencil emits (think 2D rendering). */
+ if (brw->no_depth_or_stencil)
+ return;
+
+ brw_emit_depth_stall_flushes(brw);
+
+ BEGIN_BATCH(8);
+ OUT_BATCH(GEN7_3DSTATE_DEPTH_BUFFER << 16 | (8 - 2));
+ OUT_BATCH((BRW_DEPTHFORMAT_D32_FLOAT << 18) | (BRW_SURFACE_NULL << 29));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+
+ BEGIN_BATCH(5);
+ OUT_BATCH(GEN7_3DSTATE_HIER_DEPTH_BUFFER << 16 | (5 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+
+ BEGIN_BATCH(5);
+ OUT_BATCH(GEN7_3DSTATE_STENCIL_BUFFER << 16 | (5 - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+static void
+gen8_blorp_emit_vf_topology(struct brw_context *brw)
+{
+ BEGIN_BATCH(2);
+ OUT_BATCH(_3DSTATE_VF_TOPOLOGY << 16 | (2 - 2));
+ OUT_BATCH(_3DPRIM_RECTLIST);
+ ADVANCE_BATCH();
+}
+
+static void
+gen8_blorp_emit_vf_sys_gen_vals_state(struct brw_context *brw)
+{
+ BEGIN_BATCH(2);
+ OUT_BATCH(_3DSTATE_VF_SGVS << 16 | (2 - 2));
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+static void
+gen8_blorp_emit_vf_instancing_state(struct brw_context *brw,
+ unsigned num_elems)
+{
+ for (unsigned i = 0; i < num_elems; ++i) {
+ BEGIN_BATCH(3);
+ OUT_BATCH(_3DSTATE_VF_INSTANCING << 16 | (3 - 2));
+ OUT_BATCH(i);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+ }
+}
+
+static void
+gen8_blorp_emit_vf_state(struct brw_context *brw)
+{
+ BEGIN_BATCH(2);
+ OUT_BATCH(_3DSTATE_VF << 16 | (2 - 2));
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+}
+
+static void
+gen8_blorp_emit_depth_stencil_state(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ const unsigned pkt_len = brw->gen >= 9 ? 4 : 3;
+
+ BEGIN_BATCH(pkt_len);
+ OUT_BATCH(_3DSTATE_WM_DEPTH_STENCIL << 16 | (pkt_len - 2));
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ if (pkt_len > 3) {
+ OUT_BATCH(0);
+ }
+ ADVANCE_BATCH();
+}
+
+static void
+gen8_blorp_emit_constant_ps(struct brw_context *brw,
+ uint32_t wm_push_const_offset)
+{
+ const int dwords = brw->gen >= 8 ? 11 : 7;
+ BEGIN_BATCH(dwords);
+ OUT_BATCH(_3DSTATE_CONSTANT_PS << 16 | (dwords - 2));
+
+ if (brw->gen >= 9) {
+ OUT_BATCH(0);
+ OUT_BATCH(BRW_BLORP_NUM_PUSH_CONST_REGS);
+ } else {
+ OUT_BATCH(BRW_BLORP_NUM_PUSH_CONST_REGS);
+ OUT_BATCH(0);
+ }
+
+ if (brw->gen >= 9) {
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_RELOC64(brw->batch.bo, I915_GEM_DOMAIN_RENDER, 0,
+ wm_push_const_offset);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ } else {
+ OUT_BATCH(wm_push_const_offset);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ OUT_BATCH(0);
+ }
+
+ ADVANCE_BATCH();
+}
+
+static uint32_t
+gen8_blorp_emit_surface_states(struct brw_context *brw,
+ const struct brw_blorp_params *params)
+{
+ uint32_t wm_surf_offset_renderbuffer;
+ uint32_t wm_surf_offset_texture = 0;
+
+ intel_miptree_used_for_rendering(params->dst.mt);
+
+ wm_surf_offset_renderbuffer =
+ gen8_blorp_emit_surface_state(brw, ¶ms->dst,
+ I915_GEM_DOMAIN_RENDER,
+ I915_GEM_DOMAIN_RENDER,
+ true /* is_render_target */);
+ if (params->src.mt) {
+ const struct brw_blorp_surface_info *surface = ¶ms->src;
+ struct intel_mipmap_tree *mt = surface->mt;
+
+ /* Textures are always sampled as 2D. */
+ const bool is_cube = mt->target == GL_TEXTURE_CUBE_MAP_ARRAY ||
+ mt->target == GL_TEXTURE_CUBE_MAP;
+ const unsigned depth = (is_cube ? 6 : 1) * mt->logical_depth0;
+ const GLenum target = is_cube ? GL_TEXTURE_2D_ARRAY : mt->target;
+ const unsigned max_level = surface->level + mt->last_level + 1;
+ const unsigned layer = mt->target != GL_TEXTURE_3D ?
+ surface->layer / MAX2(mt->num_samples, 1) : 0;
+
+ brw->vtbl.emit_texture_surface_state(brw, mt, target,
+ layer, layer + depth,
+ surface->level, max_level,
+ surface->brw_surfaceformat,
+ surface->swizzle,
+ &wm_surf_offset_texture,
+ -1, false, false);
+ }
+
+ return gen6_blorp_emit_binding_table(brw,
+ wm_surf_offset_renderbuffer,
+ wm_surf_offset_texture);
+}
+
+/**
+ * \copydoc gen6_blorp_exec()
+ */
+void
+gen8_blorp_exec(struct brw_context *brw, const struct brw_blorp_params *params)
+{
+ uint32_t wm_bind_bo_offset = 0;
+
+ if (gen8_state_base_address.dirty.brw & brw->ctx.NewDriverState)
+ gen8_upload_state_base_address(brw);
+
+ gen7_blorp_emit_cc_viewport(brw);
+ gen7_l3_state.emit(brw);
+
+ gen7_blorp_emit_urb_config(brw);
+
+ const uint32_t cc_blend_state_offset =
+ gen8_blorp_emit_blend_state(brw, params);
+ gen7_blorp_emit_blend_state_pointer(brw, cc_blend_state_offset);
+
+ const uint32_t cc_state_offset = gen6_blorp_emit_cc_state(brw);
+ gen7_blorp_emit_cc_state_pointer(brw, cc_state_offset);
+
+ gen8_blorp_emit_disable_constant_state(brw, _3DSTATE_CONSTANT_VS);
+ gen8_blorp_emit_disable_constant_state(brw, _3DSTATE_CONSTANT_HS);
+ gen8_blorp_emit_disable_constant_state(brw, _3DSTATE_CONSTANT_DS);
+ gen8_blorp_emit_disable_constant_state(brw, _3DSTATE_CONSTANT_GS);
+
+ const uint32_t wm_push_const_offset =
+ gen6_blorp_emit_wm_constants(brw, params);
+ gen8_blorp_emit_constant_ps(brw, wm_push_const_offset);
+ wm_bind_bo_offset = gen8_blorp_emit_surface_states(brw, params);
+
+ gen8_blorp_emit_disable_binding_table(brw,
+ _3DSTATE_BINDING_TABLE_POINTERS_VS);
+ gen8_blorp_emit_disable_binding_table(brw,
+ _3DSTATE_BINDING_TABLE_POINTERS_HS);
+ gen8_blorp_emit_disable_binding_table(brw,
+ _3DSTATE_BINDING_TABLE_POINTERS_DS);
+ gen8_blorp_emit_disable_binding_table(brw,
+ _3DSTATE_BINDING_TABLE_POINTERS_GS);
+
+ gen7_blorp_emit_binding_table_pointers_ps(brw, wm_bind_bo_offset);
+
+ if (params->src.mt) {
+ const uint32_t sampler_offset =
+ gen6_blorp_emit_sampler_state(brw, BRW_MAPFILTER_LINEAR, 0, true);
+ gen7_blorp_emit_sampler_state_pointers_ps(brw, sampler_offset);
+ }
+
+ gen8_emit_3dstate_multisample(brw, params->dst.num_samples);
+ gen6_emit_3dstate_sample_mask(brw,
+ params->dst.num_samples > 1 ?
+ (1 << params->dst.num_samples) - 1 : 1);
+
+ gen8_disable_stages.emit(brw);
+ gen8_blorp_emit_vs_disable(brw);
+ gen8_blorp_emit_hs_disable(brw);
+ gen7_blorp_emit_te_disable(brw);
+ gen8_blorp_emit_ds_disable(brw);
+ gen8_blorp_emit_gs_disable(brw);
+
+ gen8_blorp_emit_streamout_disable(brw);
+ gen6_blorp_emit_clip_disable(brw);
+ gen8_blorp_emit_raster_state(brw);
+ gen8_blorp_emit_sbe_state(brw, params);
+ gen8_blorp_emit_sf_config(brw);
+
+ gen8_blorp_emit_ps_blend(brw);
+ gen8_blorp_emit_ps_extra(brw, params);
+
+ gen8_blorp_emit_ps_config(brw, params);
+
+ gen8_blorp_emit_depth_stencil_state(brw, params);
+ gen8_blorp_emit_wm_state(brw);
+
+ gen8_blorp_emit_depth_disable(brw);
+ gen7_blorp_emit_clear_params(brw, params);
+ gen6_blorp_emit_drawing_rectangle(brw, params);
+ gen8_blorp_emit_vf_topology(brw);
+ gen8_blorp_emit_vf_sys_gen_vals_state(brw);
+ gen6_blorp_emit_vertices(brw, params);
+ gen8_blorp_emit_vf_instancing_state(brw, 2);
+ gen8_blorp_emit_vf_state(brw);
+ gen7_blorp_emit_primitive(brw, params);
+
+ if (brw->gen < 9)
+ gen8_write_pma_stall_bits(brw, 0);
+}
+++ /dev/null
-/*
- * Copyright © 2016 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
-
-#include <assert.h>
-
-#include "intel_batchbuffer.h"
-#include "intel_fbo.h"
-#include "intel_mipmap_tree.h"
-
-#include "brw_context.h"
-#include "brw_defines.h"
-#include "brw_state.h"
-
-#include "brw_blorp.h"
-
-
-/* SURFACE_STATE for renderbuffer or texture surface (see
- * brw_update_renderbuffer_surface and brw_update_texture_surface)
- */
-static uint32_t
-gen8_blorp_emit_surface_state(struct brw_context *brw,
- const struct brw_blorp_surface_info *surface,
- uint32_t read_domains, uint32_t write_domain,
- bool is_render_target)
-{
- uint32_t wm_surf_offset;
- const struct intel_mipmap_tree *mt = surface->mt;
- const uint32_t mocs_wb = is_render_target ?
- (brw->gen >= 9 ? SKL_MOCS_PTE : BDW_MOCS_PTE) :
- (brw->gen >= 9 ? SKL_MOCS_WB : BDW_MOCS_WB);
- const uint32_t tiling = surface->map_stencil_as_y_tiled
- ? I915_TILING_Y : mt->tiling;
- uint32_t tile_x, tile_y;
-
- uint32_t *surf = gen8_allocate_surface_state(brw, &wm_surf_offset, -1);
-
- surf[0] = BRW_SURFACE_2D << BRW_SURFACE_TYPE_SHIFT |
- surface->brw_surfaceformat << BRW_SURFACE_FORMAT_SHIFT |
- gen8_vertical_alignment(brw, mt, BRW_SURFACE_2D) |
- gen8_horizontal_alignment(brw, mt, BRW_SURFACE_2D) |
- gen8_surface_tiling_mode(tiling);
-
- surf[1] = SET_FIELD(mocs_wb, GEN8_SURFACE_MOCS) | mt->qpitch >> 2;
-
- surf[2] = SET_FIELD(surface->width - 1, GEN7_SURFACE_WIDTH) |
- SET_FIELD(surface->height - 1, GEN7_SURFACE_HEIGHT);
-
- uint32_t pitch_bytes = mt->pitch;
- if (surface->map_stencil_as_y_tiled)
- pitch_bytes *= 2;
- surf[3] = pitch_bytes - 1;
-
- surf[4] = gen7_surface_msaa_bits(surface->num_samples,
- surface->msaa_layout);
-
- if (surface->mt->mcs_mt) {
- surf[6] = SET_FIELD(surface->mt->qpitch / 4, GEN8_SURFACE_AUX_QPITCH) |
- SET_FIELD((surface->mt->mcs_mt->pitch / 128) - 1,
- GEN8_SURFACE_AUX_PITCH) |
- GEN8_SURFACE_AUX_MODE_MCS;
- } else {
- surf[6] = 0;
- }
-
- gen8_emit_fast_clear_color(brw, mt, surf);
- surf[7] |= SET_FIELD(HSW_SCS_RED, GEN7_SURFACE_SCS_R) |
- SET_FIELD(HSW_SCS_GREEN, GEN7_SURFACE_SCS_G) |
- SET_FIELD(HSW_SCS_BLUE, GEN7_SURFACE_SCS_B) |
- SET_FIELD(HSW_SCS_ALPHA, GEN7_SURFACE_SCS_A);
-
- /* reloc */
- *((uint64_t *)&surf[8]) =
- brw_blorp_compute_tile_offsets(surface, &tile_x, &tile_y) +
- mt->bo->offset64;
-
- /* Note that the low bits of these fields are missing, so there's the
- * possibility of getting in trouble.
- */
- assert(tile_x % 4 == 0);
- assert(tile_y % 4 == 0);
- surf[5] = SET_FIELD(tile_x / 4, BRW_SURFACE_X_OFFSET) |
- SET_FIELD(tile_y / 4, GEN8_SURFACE_Y_OFFSET);
-
- if (brw->gen >= 9) {
- /* Disable Mip Tail by setting a large value. */
- surf[5] |= SET_FIELD(15, GEN9_SURFACE_MIP_TAIL_START_LOD);
- }
-
- if (surface->mt->mcs_mt) {
- *((uint64_t *) &surf[10]) = surface->mt->mcs_mt->bo->offset64;
- drm_intel_bo_emit_reloc(brw->batch.bo,
- wm_surf_offset + 10 * 4,
- surface->mt->mcs_mt->bo, 0,
- read_domains, write_domain);
- }
-
- /* Emit relocation to surface contents */
- drm_intel_bo_emit_reloc(brw->batch.bo,
- wm_surf_offset + 8 * 4,
- mt->bo,
- surf[8] - mt->bo->offset64,
- read_domains, write_domain);
-
- return wm_surf_offset;
-}
-
-static uint32_t
-gen8_blorp_emit_blend_state(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- uint32_t blend_state_offset;
-
- assume(params->num_draw_buffers);
-
- const unsigned size = 4 + 8 * params->num_draw_buffers;
- uint32_t *blend = (uint32_t *)brw_state_batch(brw, AUB_TRACE_BLEND_STATE,
- size, 64,
- &blend_state_offset);
- memset(blend, 0, size);
-
- for (unsigned i = 0; i < params->num_draw_buffers; ++i) {
- if (params->color_write_disable[0])
- blend[1 + 2 * i] |= GEN8_BLEND_WRITE_DISABLE_RED;
- if (params->color_write_disable[1])
- blend[1 + 2 * i] |= GEN8_BLEND_WRITE_DISABLE_GREEN;
- if (params->color_write_disable[2])
- blend[1 + 2 * i] |= GEN8_BLEND_WRITE_DISABLE_BLUE;
- if (params->color_write_disable[3])
- blend[1 + 2 * i] |= GEN8_BLEND_WRITE_DISABLE_ALPHA;
-
- blend[1 + 2 * i + 1] = GEN8_BLEND_PRE_BLEND_COLOR_CLAMP_ENABLE |
- GEN8_BLEND_POST_BLEND_COLOR_CLAMP_ENABLE |
- GEN8_BLEND_COLOR_CLAMP_RANGE_RTFORMAT;
- }
-
- return blend_state_offset;
-}
-
-static void
-gen8_blorp_emit_disable_constant_state(struct brw_context *brw,
- unsigned opcode)
-{
- BEGIN_BATCH(11);
- OUT_BATCH(opcode << 16 | (11 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-static void
-gen8_blorp_emit_disable_binding_table(struct brw_context *brw,
- unsigned opcode)
-{
-
- BEGIN_BATCH(2);
- OUT_BATCH(opcode << 16 | (2 - 2));
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-/* 3DSTATE_VS
- *
- * Disable vertex shader.
- */
-static void
-gen8_blorp_emit_vs_disable(struct brw_context *brw)
-{
- BEGIN_BATCH(9);
- OUT_BATCH(_3DSTATE_VS << 16 | (9 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-/* 3DSTATE_HS
- *
- * Disable the hull shader.
- */
-static void
-gen8_blorp_emit_hs_disable(struct brw_context *brw)
-{
- BEGIN_BATCH(9);
- OUT_BATCH(_3DSTATE_HS << 16 | (9 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-/* 3DSTATE_DS
- *
- * Disable the domain shader.
- */
-static void
-gen8_blorp_emit_ds_disable(struct brw_context *brw)
-{
- const int ds_pkt_len = brw->gen >= 9 ? 11 : 9;
- BEGIN_BATCH(ds_pkt_len);
- OUT_BATCH(_3DSTATE_DS << 16 | (ds_pkt_len - 2));
- for (int i = 0; i < ds_pkt_len - 1; i++)
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-/* 3DSTATE_GS
- *
- * Disable the geometry shader.
- */
-static void
-gen8_blorp_emit_gs_disable(struct brw_context *brw)
-{
- BEGIN_BATCH(10);
- OUT_BATCH(_3DSTATE_GS << 16 | (10 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-/* 3DSTATE_STREAMOUT
- *
- * Disable streamout.
- */
-static void
-gen8_blorp_emit_streamout_disable(struct brw_context *brw)
-{
- BEGIN_BATCH(5);
- OUT_BATCH(_3DSTATE_STREAMOUT << 16 | (5 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-static void
-gen8_blorp_emit_raster_state(struct brw_context *brw)
-{
- BEGIN_BATCH(5);
- OUT_BATCH(_3DSTATE_RASTER << 16 | (5 - 2));
- OUT_BATCH(GEN8_RASTER_CULL_NONE);
- OUT_BATCH_F(0);
- OUT_BATCH_F(0);
- OUT_BATCH_F(0);
- ADVANCE_BATCH();
-}
-
-static void
-gen8_blorp_emit_sbe_state(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- /* 3DSTATE_SBE */
- {
- const unsigned sbe_cmd_length = brw->gen == 8 ? 4 : 6;
- BEGIN_BATCH(sbe_cmd_length);
- OUT_BATCH(_3DSTATE_SBE << 16 | (sbe_cmd_length - 2));
- OUT_BATCH(GEN7_SBE_SWIZZLE_ENABLE |
- params->num_varyings << GEN7_SBE_NUM_OUTPUTS_SHIFT |
- 1 << GEN7_SBE_URB_ENTRY_READ_LENGTH_SHIFT |
- BRW_SF_URB_ENTRY_READ_OFFSET <<
- GEN8_SBE_URB_ENTRY_READ_OFFSET_SHIFT |
- GEN8_SBE_FORCE_URB_ENTRY_READ_LENGTH |
- GEN8_SBE_FORCE_URB_ENTRY_READ_OFFSET);
- OUT_BATCH(0);
- OUT_BATCH(0);
- if (sbe_cmd_length >= 6) {
- OUT_BATCH(GEN9_SBE_ACTIVE_COMPONENT_XYZW << (0 << 1));
- OUT_BATCH(0);
- }
- ADVANCE_BATCH();
- }
-
- {
- BEGIN_BATCH(11);
- OUT_BATCH(_3DSTATE_SBE_SWIZ << 16 | (11 - 2));
-
- /* Output DWords 1 through 8: */
- for (int i = 0; i < 8; i++) {
- OUT_BATCH(0);
- }
-
- OUT_BATCH(0); /* wrapshortest enables 0-7 */
- OUT_BATCH(0); /* wrapshortest enables 8-15 */
- ADVANCE_BATCH();
- }
-}
-
-static void
-gen8_blorp_emit_sf_config(struct brw_context *brw)
-{
- /* See gen6_blorp_emit_sf_config() */
- BEGIN_BATCH(4);
- OUT_BATCH(_3DSTATE_SF << 16 | (4 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(GEN6_SF_LINE_AA_MODE_TRUE);
- ADVANCE_BATCH();
-}
-
-/**
- * Disable thread dispatch (dw5.19) and enable the HiZ op.
- */
-static void
-gen8_blorp_emit_wm_state(struct brw_context *brw)
-{
- BEGIN_BATCH(2);
- OUT_BATCH(_3DSTATE_WM << 16 | (2 - 2));
- OUT_BATCH(GEN7_WM_LINE_AA_WIDTH_1_0 |
- GEN7_WM_LINE_END_CAP_AA_WIDTH_0_5 |
- GEN7_WM_POINT_RASTRULE_UPPER_RIGHT);
- ADVANCE_BATCH();
-}
-
-/**
- * 3DSTATE_PS
- *
- * Pixel shader dispatch is disabled above in 3DSTATE_WM, dw1.29. Despite
- * that, thread dispatch info must still be specified.
- * - Maximum Number of Threads (dw4.24:31) must be nonzero, as the
- * valid range for this field is [0x3, 0x2f].
- * - A dispatch mode must be given; that is, at least one of the
- * "N Pixel Dispatch Enable" (N=8,16,32) fields must be set. This was
- * discovered through simulator error messages.
- */
-static void
-gen8_blorp_emit_ps_config(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- const struct brw_blorp_prog_data *prog_data = params->wm_prog_data;
- uint32_t dw3, dw5, dw6, dw7;
-
- dw3 = dw5 = dw6 = dw7 = 0;
- dw3 |= GEN7_PS_VECTOR_MASK_ENABLE;
-
- dw6 |= GEN7_PS_16_DISPATCH_ENABLE;
-
- if (params->src.mt) {
- dw3 |= 1 << GEN7_PS_SAMPLER_COUNT_SHIFT; /* Up to 4 samplers */
- dw3 |= 2 << GEN7_PS_BINDING_TABLE_ENTRY_COUNT_SHIFT; /* Two surfaces */
- } else {
- dw3 |= 1 << GEN7_PS_BINDING_TABLE_ENTRY_COUNT_SHIFT; /* One surface */
- }
-
- dw6 |= GEN7_PS_PUSH_CONSTANT_ENABLE;
- dw7 |= prog_data->first_curbe_grf << GEN7_PS_DISPATCH_START_GRF_SHIFT_0;
-
- /* 3DSTATE_PS expects the number of threads per PSD, which is always 64;
- * it implicitly scales for different GT levels (which have some # of PSDs).
- *
- * In Gen8 the format is U8-2 whereas in Gen9 it is U8-1.
- */
- if (brw->gen >= 9)
- dw6 |= (64 - 1) << HSW_PS_MAX_THREADS_SHIFT;
- else
- dw6 |= (64 - 2) << HSW_PS_MAX_THREADS_SHIFT;
-
- dw6 |= GEN7_PS_POSOFFSET_NONE;
- dw6 |= params->fast_clear_op;
-
- BEGIN_BATCH(12);
- OUT_BATCH(_3DSTATE_PS << 16 | (12 - 2));
- OUT_BATCH(params->wm_prog_kernel);
- OUT_BATCH(0);
- OUT_BATCH(dw3);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(dw6);
- OUT_BATCH(dw7);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-static void
-gen8_blorp_emit_ps_blend(struct brw_context *brw)
-{
- BEGIN_BATCH(2);
- OUT_BATCH(_3DSTATE_PS_BLEND << 16 | (2 - 2));
- OUT_BATCH(GEN8_PS_BLEND_HAS_WRITEABLE_RT);
- ADVANCE_BATCH();
-}
-
-static void
-gen8_blorp_emit_ps_extra(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- const struct brw_blorp_prog_data *prog_data = params->wm_prog_data;
- uint32_t dw1 = 0;
-
- dw1 |= GEN8_PSX_PIXEL_SHADER_VALID;
-
- if (params->src.mt) {
- dw1 |= GEN8_PSX_KILL_ENABLE;
- dw1 |= GEN8_PSX_ATTRIBUTE_ENABLE;
- }
-
- if (params->dst.num_samples > 1 && prog_data &&
- prog_data->persample_msaa_dispatch)
- dw1 |= GEN8_PSX_SHADER_IS_PER_SAMPLE;
-
- BEGIN_BATCH(2);
- OUT_BATCH(_3DSTATE_PS_EXTRA << 16 | (2 - 2));
- OUT_BATCH(dw1);
- ADVANCE_BATCH();
-}
-
-static void
-gen8_blorp_emit_depth_disable(struct brw_context *brw)
-{
- /* Skip repeated NULL depth/stencil emits (think 2D rendering). */
- if (brw->no_depth_or_stencil)
- return;
-
- brw_emit_depth_stall_flushes(brw);
-
- BEGIN_BATCH(8);
- OUT_BATCH(GEN7_3DSTATE_DEPTH_BUFFER << 16 | (8 - 2));
- OUT_BATCH((BRW_DEPTHFORMAT_D32_FLOAT << 18) | (BRW_SURFACE_NULL << 29));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-
- BEGIN_BATCH(5);
- OUT_BATCH(GEN7_3DSTATE_HIER_DEPTH_BUFFER << 16 | (5 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-
- BEGIN_BATCH(5);
- OUT_BATCH(GEN7_3DSTATE_STENCIL_BUFFER << 16 | (5 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-static void
-gen8_blorp_emit_vf_topology(struct brw_context *brw)
-{
- BEGIN_BATCH(2);
- OUT_BATCH(_3DSTATE_VF_TOPOLOGY << 16 | (2 - 2));
- OUT_BATCH(_3DPRIM_RECTLIST);
- ADVANCE_BATCH();
-}
-
-static void
-gen8_blorp_emit_vf_sys_gen_vals_state(struct brw_context *brw)
-{
- BEGIN_BATCH(2);
- OUT_BATCH(_3DSTATE_VF_SGVS << 16 | (2 - 2));
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-static void
-gen8_blorp_emit_vf_instancing_state(struct brw_context *brw,
- unsigned num_elems)
-{
- for (unsigned i = 0; i < num_elems; ++i) {
- BEGIN_BATCH(3);
- OUT_BATCH(_3DSTATE_VF_INSTANCING << 16 | (3 - 2));
- OUT_BATCH(i);
- OUT_BATCH(0);
- ADVANCE_BATCH();
- }
-}
-
-static void
-gen8_blorp_emit_vf_state(struct brw_context *brw)
-{
- BEGIN_BATCH(2);
- OUT_BATCH(_3DSTATE_VF << 16 | (2 - 2));
- OUT_BATCH(0);
- ADVANCE_BATCH();
-}
-
-static void
-gen8_blorp_emit_depth_stencil_state(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- const unsigned pkt_len = brw->gen >= 9 ? 4 : 3;
-
- BEGIN_BATCH(pkt_len);
- OUT_BATCH(_3DSTATE_WM_DEPTH_STENCIL << 16 | (pkt_len - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- if (pkt_len > 3) {
- OUT_BATCH(0);
- }
- ADVANCE_BATCH();
-}
-
-static void
-gen8_blorp_emit_constant_ps(struct brw_context *brw,
- uint32_t wm_push_const_offset)
-{
- const int dwords = brw->gen >= 8 ? 11 : 7;
- BEGIN_BATCH(dwords);
- OUT_BATCH(_3DSTATE_CONSTANT_PS << 16 | (dwords - 2));
-
- if (brw->gen >= 9) {
- OUT_BATCH(0);
- OUT_BATCH(BRW_BLORP_NUM_PUSH_CONST_REGS);
- } else {
- OUT_BATCH(BRW_BLORP_NUM_PUSH_CONST_REGS);
- OUT_BATCH(0);
- }
-
- if (brw->gen >= 9) {
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_RELOC64(brw->batch.bo, I915_GEM_DOMAIN_RENDER, 0,
- wm_push_const_offset);
- OUT_BATCH(0);
- OUT_BATCH(0);
- } else {
- OUT_BATCH(wm_push_const_offset);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- }
-
- ADVANCE_BATCH();
-}
-
-static uint32_t
-gen8_blorp_emit_surface_states(struct brw_context *brw,
- const struct brw_blorp_params *params)
-{
- uint32_t wm_surf_offset_renderbuffer;
- uint32_t wm_surf_offset_texture = 0;
-
- intel_miptree_used_for_rendering(params->dst.mt);
-
- wm_surf_offset_renderbuffer =
- gen8_blorp_emit_surface_state(brw, ¶ms->dst,
- I915_GEM_DOMAIN_RENDER,
- I915_GEM_DOMAIN_RENDER,
- true /* is_render_target */);
- if (params->src.mt) {
- const struct brw_blorp_surface_info *surface = ¶ms->src;
- struct intel_mipmap_tree *mt = surface->mt;
-
- /* Textures are always sampled as 2D. */
- const bool is_cube = mt->target == GL_TEXTURE_CUBE_MAP_ARRAY ||
- mt->target == GL_TEXTURE_CUBE_MAP;
- const unsigned depth = (is_cube ? 6 : 1) * mt->logical_depth0;
- const GLenum target = is_cube ? GL_TEXTURE_2D_ARRAY : mt->target;
- const unsigned max_level = surface->level + mt->last_level + 1;
- const unsigned layer = mt->target != GL_TEXTURE_3D ?
- surface->layer / MAX2(mt->num_samples, 1) : 0;
-
- brw->vtbl.emit_texture_surface_state(brw, mt, target,
- layer, layer + depth,
- surface->level, max_level,
- surface->brw_surfaceformat,
- surface->swizzle,
- &wm_surf_offset_texture,
- -1, false, false);
- }
-
- return gen6_blorp_emit_binding_table(brw,
- wm_surf_offset_renderbuffer,
- wm_surf_offset_texture);
-}
-
-/**
- * \copydoc gen6_blorp_exec()
- */
-void
-gen8_blorp_exec(struct brw_context *brw, const struct brw_blorp_params *params)
-{
- uint32_t wm_bind_bo_offset = 0;
-
- if (gen8_state_base_address.dirty.brw & brw->ctx.NewDriverState)
- gen8_upload_state_base_address(brw);
-
- gen7_blorp_emit_cc_viewport(brw);
- gen7_l3_state.emit(brw);
-
- gen7_blorp_emit_urb_config(brw);
-
- const uint32_t cc_blend_state_offset =
- gen8_blorp_emit_blend_state(brw, params);
- gen7_blorp_emit_blend_state_pointer(brw, cc_blend_state_offset);
-
- const uint32_t cc_state_offset = gen6_blorp_emit_cc_state(brw);
- gen7_blorp_emit_cc_state_pointer(brw, cc_state_offset);
-
- gen8_blorp_emit_disable_constant_state(brw, _3DSTATE_CONSTANT_VS);
- gen8_blorp_emit_disable_constant_state(brw, _3DSTATE_CONSTANT_HS);
- gen8_blorp_emit_disable_constant_state(brw, _3DSTATE_CONSTANT_DS);
- gen8_blorp_emit_disable_constant_state(brw, _3DSTATE_CONSTANT_GS);
-
- const uint32_t wm_push_const_offset =
- gen6_blorp_emit_wm_constants(brw, params);
- gen8_blorp_emit_constant_ps(brw, wm_push_const_offset);
- wm_bind_bo_offset = gen8_blorp_emit_surface_states(brw, params);
-
- gen8_blorp_emit_disable_binding_table(brw,
- _3DSTATE_BINDING_TABLE_POINTERS_VS);
- gen8_blorp_emit_disable_binding_table(brw,
- _3DSTATE_BINDING_TABLE_POINTERS_HS);
- gen8_blorp_emit_disable_binding_table(brw,
- _3DSTATE_BINDING_TABLE_POINTERS_DS);
- gen8_blorp_emit_disable_binding_table(brw,
- _3DSTATE_BINDING_TABLE_POINTERS_GS);
-
- gen7_blorp_emit_binding_table_pointers_ps(brw, wm_bind_bo_offset);
-
- if (params->src.mt) {
- const uint32_t sampler_offset =
- gen6_blorp_emit_sampler_state(brw, BRW_MAPFILTER_LINEAR, 0, true);
- gen7_blorp_emit_sampler_state_pointers_ps(brw, sampler_offset);
- }
-
- gen8_emit_3dstate_multisample(brw, params->dst.num_samples);
- gen6_emit_3dstate_sample_mask(brw,
- params->dst.num_samples > 1 ?
- (1 << params->dst.num_samples) - 1 : 1);
-
- gen8_disable_stages.emit(brw);
- gen8_blorp_emit_vs_disable(brw);
- gen8_blorp_emit_hs_disable(brw);
- gen7_blorp_emit_te_disable(brw);
- gen8_blorp_emit_ds_disable(brw);
- gen8_blorp_emit_gs_disable(brw);
-
- gen8_blorp_emit_streamout_disable(brw);
- gen6_blorp_emit_clip_disable(brw);
- gen8_blorp_emit_raster_state(brw);
- gen8_blorp_emit_sbe_state(brw, params);
- gen8_blorp_emit_sf_config(brw);
-
- gen8_blorp_emit_ps_blend(brw);
- gen8_blorp_emit_ps_extra(brw, params);
-
- gen8_blorp_emit_ps_config(brw, params);
-
- gen8_blorp_emit_depth_stencil_state(brw, params);
- gen8_blorp_emit_wm_state(brw);
-
- gen8_blorp_emit_depth_disable(brw);
- gen7_blorp_emit_clear_params(brw, params);
- gen6_blorp_emit_drawing_rectangle(brw, params);
- gen8_blorp_emit_vf_topology(brw);
- gen8_blorp_emit_vf_sys_gen_vals_state(brw);
- gen6_blorp_emit_vertices(brw, params);
- gen8_blorp_emit_vf_instancing_state(brw, 2);
- gen8_blorp_emit_vf_state(brw);
- gen7_blorp_emit_primitive(brw, params);
-
- if (brw->gen < 9)
- gen8_write_pma_stall_bits(brw, 0);
-}
projects / mesa.git / commitdiff