#include "intel_batchbuffer.h"
#include "intel_mipmap_tree.h"
#include "intel_fbo.h"
-#include "intel_resolve_map.h"
#include "brw_context.h"
#include "brw_state.h"
#include "brw_defines.h"
+#include "compiler/brw_eu_defines.h"
#include "brw_wm.h"
-
-/**
- * Helper function to emit depth related command packets.
- */
-static void
-emit_depth_packets(struct brw_context *brw,
- struct intel_mipmap_tree *depth_mt,
- uint32_t depthbuffer_format,
- uint32_t depth_surface_type,
- bool depth_writable,
- struct intel_mipmap_tree *stencil_mt,
- bool stencil_writable,
- bool hiz,
- uint32_t width,
- uint32_t height,
- uint32_t depth,
- uint32_t lod,
- uint32_t min_array_element)
-{
- uint32_t mocs_wb = brw->gen >= 9 ? SKL_MOCS_WB : BDW_MOCS_WB;
-
- /* Skip repeated NULL depth/stencil emits (think 2D rendering). */
- if (!depth_mt && !stencil_mt && brw->no_depth_or_stencil) {
- assert(brw->hw_ctx);
- return;
- }
-
- brw_emit_depth_stall_flushes(brw);
-
- /* _NEW_BUFFERS, _NEW_DEPTH, _NEW_STENCIL */
- BEGIN_BATCH(8);
- OUT_BATCH(GEN7_3DSTATE_DEPTH_BUFFER << 16 | (8 - 2));
- OUT_BATCH(depth_surface_type << 29 |
- (depth_writable ? (1 << 28) : 0) |
- (stencil_mt != NULL && stencil_writable) << 27 |
- (hiz ? 1 : 0) << 22 |
- depthbuffer_format << 18 |
- (depth_mt ? depth_mt->pitch - 1 : 0));
- if (depth_mt) {
- OUT_RELOC64(depth_mt->bo,
- I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, 0);
- } else {
- OUT_BATCH(0);
- OUT_BATCH(0);
- }
- OUT_BATCH(((width - 1) << 4) | ((height - 1) << 18) | lod);
- OUT_BATCH(((depth - 1) << 21) | (min_array_element << 10) | mocs_wb);
- OUT_BATCH(0);
- OUT_BATCH(((depth - 1) << 21) | (depth_mt ? depth_mt->qpitch >> 2 : 0));
- ADVANCE_BATCH();
-
- if (!hiz) {
- 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();
- } else {
- BEGIN_BATCH(5);
- OUT_BATCH(GEN7_3DSTATE_HIER_DEPTH_BUFFER << 16 | (5 - 2));
- OUT_BATCH((depth_mt->hiz_buf->pitch - 1) | mocs_wb << 25);
- OUT_RELOC64(depth_mt->hiz_buf->bo,
- I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, 0);
- OUT_BATCH(depth_mt->hiz_buf->qpitch >> 2);
- ADVANCE_BATCH();
- }
-
- if (stencil_mt == NULL) {
- 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();
- } else {
- BEGIN_BATCH(5);
- OUT_BATCH(GEN7_3DSTATE_STENCIL_BUFFER << 16 | (5 - 2));
- /* The stencil buffer has quirky pitch requirements. From the Graphics
- * BSpec: vol2a.11 3D Pipeline Windower > Early Depth/Stencil Processing
- * > Depth/Stencil Buffer State > 3DSTATE_STENCIL_BUFFER [DevIVB+],
- * field "Surface Pitch":
- *
- * The pitch must be set to 2x the value computed based on width, as
- * the stencil buffer is stored with two rows interleaved.
- *
- * (Note that it is not 100% clear whether this intended to apply to
- * Gen7; the BSpec flags this comment as "DevILK,DevSNB" (which would
- * imply that it doesn't), however the comment appears on a "DevIVB+"
- * page (which would imply that it does). Experiments with the hardware
- * indicate that it does.
- */
- OUT_BATCH(HSW_STENCIL_ENABLED | mocs_wb << 22 |
- (2 * stencil_mt->pitch - 1));
- OUT_RELOC64(stencil_mt->bo,
- I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, 0);
- OUT_BATCH(stencil_mt ? stencil_mt->qpitch >> 2 : 0);
- ADVANCE_BATCH();
- }
-
- BEGIN_BATCH(3);
- OUT_BATCH(GEN7_3DSTATE_CLEAR_PARAMS << 16 | (3 - 2));
- OUT_BATCH(depth_mt ? depth_mt->depth_clear_value : 0);
- OUT_BATCH(1);
- ADVANCE_BATCH();
-
- brw->no_depth_or_stencil = !depth_mt && !stencil_mt;
-}
-
-/* Awful vtable-compatible function; should be cleaned up in the future. */
-void
-gen8_emit_depth_stencil_hiz(struct brw_context *brw,
- struct intel_mipmap_tree *depth_mt,
- uint32_t depth_offset,
- uint32_t depthbuffer_format,
- uint32_t depth_surface_type,
- struct intel_mipmap_tree *stencil_mt,
- bool hiz, bool separate_stencil,
- uint32_t width, uint32_t height,
- uint32_t tile_x, uint32_t tile_y)
-{
- struct gl_context *ctx = &brw->ctx;
- struct gl_framebuffer *fb = ctx->DrawBuffer;
- uint32_t surftype;
- unsigned int depth = 1;
- unsigned int min_array_element;
- GLenum gl_target = GL_TEXTURE_2D;
- unsigned int lod;
- const struct intel_mipmap_tree *mt = depth_mt ? depth_mt : stencil_mt;
- const struct intel_renderbuffer *irb = NULL;
- const struct gl_renderbuffer *rb = NULL;
-
- irb = intel_get_renderbuffer(fb, BUFFER_DEPTH);
- if (!irb)
- irb = intel_get_renderbuffer(fb, BUFFER_STENCIL);
- rb = (struct gl_renderbuffer *) irb;
-
- if (rb) {
- depth = MAX2(irb->layer_count, 1);
- if (rb->TexImage)
- gl_target = rb->TexImage->TexObject->Target;
- }
-
- 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;
- case GL_TEXTURE_3D:
- assert(mt);
- depth = MAX2(mt->logical_depth0, 1);
- surftype = translate_tex_target(gl_target);
- break;
- case GL_TEXTURE_1D_ARRAY:
- case GL_TEXTURE_1D:
- if (brw->gen >= 9) {
- /* WaDisable1DDepthStencil. Skylake+ doesn't support 1D depth
- * textures but it does allow pretending it's a 2D texture
- * instead.
- */
- surftype = BRW_SURFACE_2D;
- break;
- }
- /* fallthrough */
- default:
- surftype = translate_tex_target(gl_target);
- break;
- }
-
- min_array_element = irb ? irb->mt_layer : 0;
-
- lod = irb ? irb->mt_level - irb->mt->first_level : 0;
-
- if (mt) {
- width = mt->logical_width0;
- height = mt->logical_height0;
- }
-
- emit_depth_packets(brw, depth_mt, brw_depthbuffer_format(brw), surftype,
- ctx->Depth.Mask != 0,
- stencil_mt, ctx->Stencil._WriteEnabled,
- hiz, width, height, depth, lod, min_array_element);
-}
+#include "main/framebuffer.h"
/**
* Should we set the PMA FIX ENABLE bit?
pma_fix_enable(const struct brw_context *brw)
{
const struct gl_context *ctx = &brw->ctx;
+ /* BRW_NEW_FS_PROG_DATA */
+ const struct brw_wm_prog_data *wm_prog_data =
+ brw_wm_prog_data(brw->wm.base.prog_data);
/* _NEW_BUFFERS */
struct intel_renderbuffer *depth_irb =
intel_get_renderbuffer(ctx->DrawBuffer, BUFFER_DEPTH);
*/
const bool hiz_enabled = depth_irb && intel_renderbuffer_has_hiz(depth_irb);
- /* BRW_NEW_FS_PROG_DATA:
- * 3DSTATE_WM::Early Depth/Stencil Control != EDSC_PREPS (2).
- */
- const bool edsc_not_preps = !brw->wm.prog_data->early_fragment_tests;
+ /* 3DSTATE_WM::Early Depth/Stencil Control != EDSC_PREPS (2). */
+ const bool edsc_not_preps = !wm_prog_data->early_fragment_tests;
/* 3DSTATE_PS_EXTRA::PixelShaderValid is always true. */
const bool pixel_shader_valid = true;
* 3DSTATE_WM_DEPTH_STENCIL::DepthWriteEnable &&
* 3DSTATE_DEPTH_BUFFER::DEPTH_WRITE_ENABLE.
*/
- const bool depth_writes_enabled = ctx->Depth.Mask;
+ const bool depth_writes_enabled = brw_depth_writes_enabled(brw);
/* _NEW_STENCIL:
* !DEPTH_STENCIL_STATE::Stencil Buffer Write Enable ||
* !3DSTATE_DEPTH_BUFFER::Stencil Buffer Enable ||
* !3DSTATE_STENCIL_BUFFER::Stencil Buffer Enable
*/
- const bool stencil_writes_enabled = ctx->Stencil._WriteEnabled;
+ const bool stencil_writes_enabled = brw->stencil_write_enabled;
- /* BRW_NEW_FS_PROG_DATA:
- * 3DSTATE_PS_EXTRA::Pixel Shader Computed Depth Mode != PSCDEPTH_OFF
- */
+ /* 3DSTATE_PS_EXTRA::Pixel Shader Computed Depth Mode != PSCDEPTH_OFF */
const bool ps_computes_depth =
- brw->wm.prog_data->computed_depth_mode != BRW_PSCDEPTH_OFF;
+ wm_prog_data->computed_depth_mode != BRW_PSCDEPTH_OFF;
- /* BRW_NEW_FS_PROG_DATA: 3DSTATE_PS_EXTRA::PixelShaderKillsPixels
- * BRW_NEW_FS_PROG_DATA: 3DSTATE_PS_EXTRA::oMask Present to RenderTarget
+ /* BRW_NEW_FS_PROG_DATA: 3DSTATE_PS_EXTRA::PixelShaderKillsPixels
+ * BRW_NEW_FS_PROG_DATA: 3DSTATE_PS_EXTRA::oMask Present to RenderTarget
* _NEW_MULTISAMPLE: 3DSTATE_PS_BLEND::AlphaToCoverageEnable
* _NEW_COLOR: 3DSTATE_PS_BLEND::AlphaTestEnable
+ * _NEW_BUFFERS: 3DSTATE_PS_BLEND::AlphaTestEnable
+ * 3DSTATE_PS_BLEND::AlphaToCoverageEnable
*
* 3DSTATE_WM_CHROMAKEY::ChromaKeyKillEnable is always false.
* 3DSTATE_WM::ForceKillPix != ForceOff is always true.
*/
const bool kill_pixel =
- brw->wm.prog_data->uses_kill ||
- brw->wm.prog_data->uses_omask ||
- (ctx->Multisample._Enabled && ctx->Multisample.SampleAlphaToCoverage) ||
- ctx->Color.AlphaEnabled;
+ wm_prog_data->uses_kill ||
+ wm_prog_data->uses_omask ||
+ _mesa_is_alpha_test_enabled(ctx) ||
+ _mesa_is_alpha_to_coverage_enabled(ctx);
/* The big formula in CACHE_MODE_1::NP PMA FIX ENABLE. */
return !wm_force_thread_dispatch &&
(kill_pixel && (depth_writes_enabled || stencil_writes_enabled)));
}
-static void
-write_pma_stall_bits(struct brw_context *brw, uint32_t pma_stall_bits)
+void
+gen8_write_pma_stall_bits(struct brw_context *brw, uint32_t pma_stall_bits)
{
- struct gl_context *ctx = &brw->ctx;
-
/* If we haven't actually changed the value, bail now to avoid unnecessary
* pipeline stalls and register writes.
*/
* Flush is also necessary.
*/
const uint32_t render_cache_flush =
- ctx->Stencil._WriteEnabled ? PIPE_CONTROL_RENDER_TARGET_FLUSH : 0;
+ brw->stencil_write_enabled ? PIPE_CONTROL_RENDER_TARGET_FLUSH : 0;
brw_emit_pipe_control_flush(brw,
PIPE_CONTROL_CS_STALL |
PIPE_CONTROL_DEPTH_CACHE_FLUSH |
render_cache_flush);
/* CACHE_MODE_1 is a non-privileged register. */
- BEGIN_BATCH(3);
- OUT_BATCH(MI_LOAD_REGISTER_IMM | (3 - 2));
- OUT_BATCH(GEN7_CACHE_MODE_1);
- OUT_BATCH(GEN8_HIZ_PMA_MASK_BITS | pma_stall_bits);
- ADVANCE_BATCH();
+ brw_load_register_imm32(brw, GEN7_CACHE_MODE_1,
+ GEN8_HIZ_PMA_MASK_BITS |
+ pma_stall_bits );
/* After the LRI, a PIPE_CONTROL with both the Depth Stall and Depth Cache
* Flush bits is often necessary. We do it regardless because it's easier.
static void
gen8_emit_pma_stall_workaround(struct brw_context *brw)
{
+ const struct gen_device_info *devinfo = &brw->screen->devinfo;
uint32_t bits = 0;
- if (brw->gen >= 9)
+ if (devinfo->gen >= 9)
return;
if (pma_fix_enable(brw))
bits |= GEN8_HIZ_NP_PMA_FIX_ENABLE | GEN8_HIZ_NP_EARLY_Z_FAILS_DISABLE;
- write_pma_stall_bits(brw, bits);
+ gen8_write_pma_stall_bits(brw, bits);
}
const struct brw_tracked_state gen8_pma_fix = {
_NEW_DEPTH |
_NEW_MULTISAMPLE |
_NEW_STENCIL,
- .brw = BRW_NEW_FS_PROG_DATA,
+ .brw = BRW_NEW_BLORP |
+ BRW_NEW_FS_PROG_DATA,
},
.emit = gen8_emit_pma_stall_workaround
};
-
-/**
- * Emit packets to perform a depth/HiZ resolve or fast depth/stencil clear.
- *
- * See the "Optimized Depth Buffer Clear and/or Stencil Buffer Clear" section
- * of the hardware documentation for details.
- */
-void
-gen8_hiz_exec(struct brw_context *brw, struct intel_mipmap_tree *mt,
- unsigned int level, unsigned int layer, enum gen6_hiz_op op)
-{
- if (op == GEN6_HIZ_OP_NONE)
- return;
-
- /* Disable the PMA stall fix since we're about to do a HiZ operation. */
- if (brw->gen == 8)
- write_pma_stall_bits(brw, 0);
-
- assert(mt->first_level == 0);
- assert(mt->logical_depth0 >= 1);
-
- /* If we're operating on LOD 0, align to 8x4 to meet the alignment
- * requirements for most HiZ operations. Otherwise, use the actual size
- * to allow the hardware to calculate the miplevel offsets correctly.
- */
- uint32_t surface_width = ALIGN(mt->logical_width0, level == 0 ? 8 : 1);
- uint32_t surface_height = ALIGN(mt->logical_height0, level == 0 ? 4 : 1);
-
- /* From the documentation for 3DSTATE_WM_HZ_OP: "3DSTATE_MULTISAMPLE packet
- * must be used prior to this packet to change the Number of Multisamples.
- * This packet must not be used to change Number of Multisamples in a
- * rendering sequence."
- */
- if (brw->num_samples != mt->num_samples) {
- gen8_emit_3dstate_multisample(brw, mt->num_samples);
- brw->NewGLState |= _NEW_MULTISAMPLE;
- }
-
- /* The basic algorithm is:
- * - If needed, emit 3DSTATE_{DEPTH,HIER_DEPTH,STENCIL}_BUFFER and
- * 3DSTATE_CLEAR_PARAMS packets to set up the relevant buffers.
- * - If needed, emit 3DSTATE_DRAWING_RECTANGLE.
- * - Emit 3DSTATE_WM_HZ_OP with a bit set for the particular operation.
- * - Do a special PIPE_CONTROL to trigger an implicit rectangle primitive.
- * - Emit 3DSTATE_WM_HZ_OP with no bits set to return to normal rendering.
- */
- emit_depth_packets(brw, mt,
- brw_depth_format(brw, mt->format),
- BRW_SURFACE_2D,
- true, /* depth writes */
- NULL, false, /* no stencil for now */
- true, /* hiz */
- surface_width,
- surface_height,
- mt->logical_depth0,
- level,
- layer); /* min_array_element */
-
- /* Depth buffer clears and HiZ resolves must use an 8x4 aligned rectangle.
- * Note that intel_miptree_level_enable_hiz disables HiZ for miplevels > 0
- * which aren't 8x4 aligned, so expanding the size is safe - it'll just
- * draw into empty padding space.
- */
- unsigned rect_width = ALIGN(minify(mt->logical_width0, level), 8);
- unsigned rect_height = ALIGN(minify(mt->logical_height0, level), 4);
-
- BEGIN_BATCH(4);
- OUT_BATCH(_3DSTATE_DRAWING_RECTANGLE << 16 | (4 - 2));
- OUT_BATCH(0);
- OUT_BATCH(((rect_width - 1) & 0xffff) | ((rect_height - 1) << 16));
- OUT_BATCH(0);
- ADVANCE_BATCH();
-
- /* Emit 3DSTATE_WM_HZ_OP to override pipeline state for the particular
- * resolve or clear operation we want to perform.
- */
- uint32_t dw1 = 0;
-
- switch (op) {
- case GEN6_HIZ_OP_DEPTH_RESOLVE:
- dw1 |= GEN8_WM_HZ_DEPTH_RESOLVE;
- break;
- case GEN6_HIZ_OP_HIZ_RESOLVE:
- dw1 |= GEN8_WM_HZ_HIZ_RESOLVE;
- break;
- case GEN6_HIZ_OP_DEPTH_CLEAR:
- dw1 |= GEN8_WM_HZ_DEPTH_CLEAR;
- break;
- case GEN6_HIZ_OP_NONE:
- unreachable("Should not get here.");
- }
-
- if (mt->num_samples > 0)
- dw1 |= SET_FIELD(ffs(mt->num_samples) - 1, GEN8_WM_HZ_NUM_SAMPLES);
-
- BEGIN_BATCH(5);
- OUT_BATCH(_3DSTATE_WM_HZ_OP << 16 | (5 - 2));
- OUT_BATCH(dw1);
- OUT_BATCH(0);
- OUT_BATCH(SET_FIELD(rect_width, GEN8_WM_HZ_CLEAR_RECTANGLE_X_MAX) |
- SET_FIELD(rect_height, GEN8_WM_HZ_CLEAR_RECTANGLE_Y_MAX));
- OUT_BATCH(SET_FIELD(0xFFFF, GEN8_WM_HZ_SAMPLE_MASK));
- ADVANCE_BATCH();
-
- /* Emit a PIPE_CONTROL with "Post-Sync Operation" set to "Write Immediate
- * Data", and no other bits set. This causes 3DSTATE_WM_HZ_OP's state to
- * take effect, and spawns a rectangle primitive.
- */
- brw_emit_pipe_control_write(brw,
- PIPE_CONTROL_WRITE_IMMEDIATE,
- brw->workaround_bo, 0, 0, 0);
-
- /* Emit 3DSTATE_WM_HZ_OP again to disable the state overrides. */
- BEGIN_BATCH(5);
- OUT_BATCH(_3DSTATE_WM_HZ_OP << 16 | (5 - 2));
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
-
- /* Mark this buffer as needing a TC flush, as we've rendered to it. */
- brw_render_cache_set_add_bo(brw, mt->bo);
-
- /* We've clobbered all of the depth packets, and the drawing rectangle,
- * so we need to ensure those packets are re-emitted before the next
- * primitive.
- *
- * Setting _NEW_DEPTH and _NEW_BUFFERS covers it, but is rather overkill.
- */
- brw->NewGLState |= _NEW_DEPTH | _NEW_BUFFERS;
-}