brw_nir_trig_workarounds.c
i965_FILES = \
+ blorp.c \
+ blorp.h \
+ blorp_priv.h \
brw_binding_tables.c \
brw_blorp_blit.cpp \
brw_blorp_clear.cpp \
--- /dev/null
+/*
+ * Copyright © 2012 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 <errno.h>
+#include "intel_batchbuffer.h"
+#include "intel_fbo.h"
+
+#include "blorp_priv.h"
+#include "brw_compiler.h"
+#include "brw_nir.h"
+#include "brw_state.h"
+
+void
+brw_blorp_surface_info_init(struct brw_context *brw,
+ struct brw_blorp_surface_info *info,
+ const struct brw_blorp_surf *surf,
+ unsigned int level, unsigned int layer,
+ enum isl_format format, bool is_render_target)
+{
+ /* Layer is a physical layer, so if this is a 2D multisample array texture
+ * using INTEL_MSAA_LAYOUT_UMS or INTEL_MSAA_LAYOUT_CMS, then it had better
+ * be a multiple of num_samples.
+ */
+ unsigned layer_multiplier = 1;
+ if (surf->surf->msaa_layout == ISL_MSAA_LAYOUT_ARRAY) {
+ assert(layer % surf->surf->samples == 0);
+ layer_multiplier = surf->surf->samples;
+ }
+
+ if (format == ISL_FORMAT_UNSUPPORTED)
+ format = surf->surf->format;
+
+ if (format == ISL_FORMAT_R24_UNORM_X8_TYPELESS) {
+ /* Unfortunately, ISL_FORMAT_R24_UNORM_X8_TYPELESS it isn't supported as
+ * a render target, which would prevent us from blitting to 24-bit
+ * depth. The miptree consists of 32 bits per pixel, arranged as 24-bit
+ * depth values interleaved with 8 "don't care" bits. Since depth
+ * values don't require any blending, it doesn't matter how we interpret
+ * the bit pattern as long as we copy the right amount of data, so just
+ * map it as 8-bit BGRA.
+ */
+ format = ISL_FORMAT_B8G8R8A8_UNORM;
+ } else if (surf->surf->usage & ISL_SURF_USAGE_STENCIL_BIT) {
+ assert(surf->surf->format == ISL_FORMAT_R8_UINT);
+ /* Prior to Broadwell, we can't render to R8_UINT */
+ if (brw->gen < 8)
+ format = ISL_FORMAT_R8_UNORM;
+ }
+
+ info->surf = *surf->surf;
+ info->bo = surf->bo;
+ info->offset = surf->offset;
+
+ info->aux_usage = surf->aux_usage;
+ if (info->aux_usage != ISL_AUX_USAGE_NONE) {
+ info->aux_surf = *surf->aux_surf;
+ info->aux_bo = surf->aux_bo;
+ info->aux_offset = surf->aux_offset;
+ }
+
+ info->clear_color = surf->clear_color;
+
+ info->view = (struct isl_view) {
+ .usage = is_render_target ? ISL_SURF_USAGE_RENDER_TARGET_BIT :
+ ISL_SURF_USAGE_TEXTURE_BIT,
+ .format = format,
+ .base_level = level,
+ .levels = 1,
+ .channel_select = {
+ ISL_CHANNEL_SELECT_RED,
+ ISL_CHANNEL_SELECT_GREEN,
+ ISL_CHANNEL_SELECT_BLUE,
+ ISL_CHANNEL_SELECT_ALPHA,
+ },
+ };
+
+ if (!is_render_target &&
+ (info->surf.dim == ISL_SURF_DIM_3D ||
+ info->surf.msaa_layout == ISL_MSAA_LAYOUT_ARRAY)) {
+ /* 3-D textures don't support base_array layer and neither do 2-D
+ * multisampled textures on IVB so we need to pass it through the
+ * sampler in those cases. These are also two cases where we are
+ * guaranteed that we won't be doing any funny surface hacks.
+ */
+ info->view.base_array_layer = 0;
+ info->view.array_len = MAX2(info->surf.logical_level0_px.depth,
+ info->surf.logical_level0_px.array_len);
+ info->z_offset = layer / layer_multiplier;
+ } else {
+ info->view.base_array_layer = layer / layer_multiplier;
+ info->view.array_len = 1;
+ info->z_offset = 0;
+ }
+}
+
+
+void
+brw_blorp_params_init(struct brw_blorp_params *params)
+{
+ memset(params, 0, sizeof(*params));
+ params->hiz_op = GEN6_HIZ_OP_NONE;
+ params->fast_clear_op = 0;
+ params->num_draw_buffers = 1;
+ params->num_layers = 1;
+}
+
+void
+brw_blorp_init_wm_prog_key(struct brw_wm_prog_key *wm_key)
+{
+ memset(wm_key, 0, sizeof(*wm_key));
+ wm_key->nr_color_regions = 1;
+ for (int i = 0; i < MAX_SAMPLERS; i++)
+ wm_key->tex.swizzles[i] = SWIZZLE_XYZW;
+}
+
+static int
+nir_uniform_type_size(const struct glsl_type *type)
+{
+ /* Only very basic types are allowed */
+ assert(glsl_type_is_vector_or_scalar(type));
+ assert(glsl_get_bit_size(type) == 32);
+
+ return glsl_get_vector_elements(type) * 4;
+}
+
+const unsigned *
+brw_blorp_compile_nir_shader(struct brw_context *brw, struct nir_shader *nir,
+ const struct brw_wm_prog_key *wm_key,
+ bool use_repclear,
+ struct brw_blorp_prog_data *prog_data,
+ unsigned *program_size)
+{
+ const struct brw_compiler *compiler = brw->intelScreen->compiler;
+
+ void *mem_ctx = ralloc_context(NULL);
+
+ /* Calling brw_preprocess_nir and friends is destructive and, if cloning is
+ * enabled, may end up completely replacing the nir_shader. Therefore, we
+ * own it and might as well put it in our context for easy cleanup.
+ */
+ ralloc_steal(mem_ctx, nir);
+ nir->options =
+ compiler->glsl_compiler_options[MESA_SHADER_FRAGMENT].NirOptions;
+
+ struct brw_wm_prog_data wm_prog_data;
+ memset(&wm_prog_data, 0, sizeof(wm_prog_data));
+
+ wm_prog_data.base.nr_params = 0;
+ wm_prog_data.base.param = NULL;
+
+ /* BLORP always just uses the first two binding table entries */
+ wm_prog_data.binding_table.render_target_start = 0;
+ wm_prog_data.base.binding_table.texture_start = 1;
+
+ nir = brw_preprocess_nir(compiler, nir);
+ nir_remove_dead_variables(nir, nir_var_shader_in);
+ nir_shader_gather_info(nir, nir_shader_get_entrypoint(nir)->impl);
+
+ /* Uniforms are required to be lowered before going into compile_fs. For
+ * BLORP, we'll assume that whoever builds the shader sets the location
+ * they want so we just need to lower them and figure out how many we have
+ * in total.
+ */
+ nir->num_uniforms = 0;
+ nir_foreach_variable(var, &nir->uniforms) {
+ var->data.driver_location = var->data.location;
+ unsigned end = var->data.location + nir_uniform_type_size(var->type);
+ nir->num_uniforms = MAX2(nir->num_uniforms, end);
+ }
+ nir_lower_io(nir, nir_var_uniform, nir_uniform_type_size);
+
+ const unsigned *program =
+ brw_compile_fs(compiler, brw, mem_ctx, wm_key, &wm_prog_data, nir,
+ NULL, -1, -1, false, use_repclear, program_size, NULL);
+
+ /* Copy the relavent bits of wm_prog_data over into the blorp prog data */
+ prog_data->dispatch_8 = wm_prog_data.dispatch_8;
+ prog_data->dispatch_16 = wm_prog_data.dispatch_16;
+ prog_data->first_curbe_grf_0 = wm_prog_data.base.dispatch_grf_start_reg;
+ prog_data->first_curbe_grf_2 = wm_prog_data.dispatch_grf_start_reg_2;
+ prog_data->ksp_offset_2 = wm_prog_data.prog_offset_2;
+ prog_data->persample_msaa_dispatch = wm_prog_data.persample_dispatch;
+ prog_data->flat_inputs = wm_prog_data.flat_inputs;
+ prog_data->num_varying_inputs = wm_prog_data.num_varying_inputs;
+ prog_data->inputs_read = nir->info.inputs_read;
+
+ assert(wm_prog_data.base.nr_params == 0);
+
+ return program;
+}
+
+struct surface_state_info {
+ unsigned num_dwords;
+ unsigned ss_align; /* Required alignment of RENDER_SURFACE_STATE in bytes */
+ unsigned reloc_dw;
+ unsigned aux_reloc_dw;
+ unsigned tex_mocs;
+ unsigned rb_mocs;
+};
+
+static const struct surface_state_info surface_state_infos[] = {
+ [6] = {6, 32, 1, 0},
+ [7] = {8, 32, 1, 6, GEN7_MOCS_L3, GEN7_MOCS_L3},
+ [8] = {13, 64, 8, 10, BDW_MOCS_WB, BDW_MOCS_PTE},
+ [9] = {16, 64, 8, 10, SKL_MOCS_WB, SKL_MOCS_PTE},
+};
+
+uint32_t
+brw_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)
+{
+ const struct surface_state_info ss_info = surface_state_infos[brw->gen];
+
+ struct isl_surf surf = surface->surf;
+
+ if (surf.dim == ISL_SURF_DIM_1D &&
+ surf.dim_layout == ISL_DIM_LAYOUT_GEN4_2D) {
+ assert(surf.logical_level0_px.height == 1);
+ surf.dim = ISL_SURF_DIM_2D;
+ }
+
+ /* Blorp doesn't support HiZ in any of the blit or slow-clear paths */
+ enum isl_aux_usage aux_usage = surface->aux_usage;
+ if (aux_usage == ISL_AUX_USAGE_HIZ)
+ aux_usage = ISL_AUX_USAGE_NONE;
+
+ uint32_t surf_offset;
+ uint32_t *dw = brw_state_batch(brw, AUB_TRACE_SURFACE_STATE,
+ ss_info.num_dwords * 4, ss_info.ss_align,
+ &surf_offset);
+
+ const uint32_t mocs = is_render_target ? ss_info.rb_mocs : ss_info.tex_mocs;
+ uint64_t aux_bo_offset = surface->aux_bo ? surface->aux_bo->offset64 : 0;
+
+ isl_surf_fill_state(&brw->isl_dev, dw, .surf = &surf, .view = &surface->view,
+ .address = surface->bo->offset64 + surface->offset,
+ .aux_surf = &surface->aux_surf, .aux_usage = aux_usage,
+ .aux_address = aux_bo_offset + surface->aux_offset,
+ .mocs = mocs, .clear_color = surface->clear_color,
+ .x_offset_sa = surface->tile_x_sa,
+ .y_offset_sa = surface->tile_y_sa);
+
+ /* Emit relocation to surface contents */
+ drm_intel_bo_emit_reloc(brw->batch.bo,
+ surf_offset + ss_info.reloc_dw * 4,
+ surface->bo,
+ dw[ss_info.reloc_dw] - surface->bo->offset64,
+ read_domains, write_domain);
+
+ if (aux_usage != ISL_AUX_USAGE_NONE) {
+ /* On gen7 and prior, the bottom 12 bits of the MCS base address are
+ * used to store other information. This should be ok, however, because
+ * surface buffer addresses are always 4K page alinged.
+ */
+ assert((surface->aux_offset & 0xfff) == 0);
+ drm_intel_bo_emit_reloc(brw->batch.bo,
+ surf_offset + ss_info.aux_reloc_dw * 4,
+ surface->aux_bo,
+ dw[ss_info.aux_reloc_dw] & 0xfff,
+ read_domains, write_domain);
+ }
+
+ return surf_offset;
+}
+
+void
+brw_blorp_exec(struct brw_context *brw, const struct brw_blorp_params *params)
+{
+ struct gl_context *ctx = &brw->ctx;
+ const uint32_t estimated_max_batch_usage = brw->gen >= 8 ? 1800 : 1500;
+ bool check_aperture_failed_once = false;
+
+ /* Flush the sampler and render caches. We definitely need to flush the
+ * sampler cache so that we get updated contents from the render cache for
+ * the glBlitFramebuffer() source. Also, we are sometimes warned in the
+ * docs to flush the cache between reinterpretations of the same surface
+ * data with different formats, which blorp does for stencil and depth
+ * data.
+ */
+ brw_emit_mi_flush(brw);
+
+ brw_select_pipeline(brw, BRW_RENDER_PIPELINE);
+
+retry:
+ intel_batchbuffer_require_space(brw, estimated_max_batch_usage, RENDER_RING);
+ intel_batchbuffer_save_state(brw);
+ drm_intel_bo *saved_bo = brw->batch.bo;
+ uint32_t saved_used = USED_BATCH(brw->batch);
+ uint32_t saved_state_batch_offset = brw->batch.state_batch_offset;
+
+ switch (brw->gen) {
+ case 6:
+ gen6_blorp_exec(brw, params);
+ break;
+ case 7:
+ gen7_blorp_exec(brw, params);
+ break;
+ case 8:
+ case 9:
+ gen8_blorp_exec(brw, params);
+ break;
+ default:
+ /* BLORP is not supported before Gen6. */
+ unreachable("not reached");
+ }
+
+ /* Make sure we didn't wrap the batch unintentionally, and make sure we
+ * reserved enough space that a wrap will never happen.
+ */
+ assert(brw->batch.bo == saved_bo);
+ assert((USED_BATCH(brw->batch) - saved_used) * 4 +
+ (saved_state_batch_offset - brw->batch.state_batch_offset) <
+ estimated_max_batch_usage);
+ /* Shut up compiler warnings on release build */
+ (void)saved_bo;
+ (void)saved_used;
+ (void)saved_state_batch_offset;
+
+ /* Check if the blorp op we just did would make our batch likely to fail to
+ * map all the BOs into the GPU at batch exec time later. If so, flush the
+ * batch and try again with nothing else in the batch.
+ */
+ if (dri_bufmgr_check_aperture_space(&brw->batch.bo, 1)) {
+ if (!check_aperture_failed_once) {
+ check_aperture_failed_once = true;
+ intel_batchbuffer_reset_to_saved(brw);
+ intel_batchbuffer_flush(brw);
+ goto retry;
+ } else {
+ int ret = intel_batchbuffer_flush(brw);
+ WARN_ONCE(ret == -ENOSPC,
+ "i965: blorp emit exceeded available aperture space\n");
+ }
+ }
+
+ if (unlikely(brw->always_flush_batch))
+ intel_batchbuffer_flush(brw);
+
+ /* We've smashed all state compared to what the normal 3D pipeline
+ * rendering tracks for GL.
+ */
+ brw->ctx.NewDriverState |= BRW_NEW_BLORP;
+ brw->no_depth_or_stencil = false;
+ brw->ib.type = -1;
+
+ /* Flush the sampler cache so any texturing from the destination is
+ * coherent.
+ */
+ brw_emit_mi_flush(brw);
+}
+
+void
+blorp_gen6_hiz_op(struct brw_context *brw, struct brw_blorp_surf *surf,
+ unsigned level, unsigned layer, enum gen6_hiz_op op)
+{
+ struct brw_blorp_params params;
+ brw_blorp_params_init(¶ms);
+
+ params.hiz_op = op;
+
+ brw_blorp_surface_info_init(brw, ¶ms.depth, surf, level, layer,
+ surf->surf->format, true);
+
+ /* Align the rectangle primitive to 8x4 pixels.
+ *
+ * During fast depth clears, the emitted rectangle primitive must be
+ * aligned to 8x4 pixels. From the Ivybridge PRM, Vol 2 Part 1 Section
+ * 11.5.3.1 Depth Buffer Clear (and the matching section in the Sandybridge
+ * PRM):
+ * If Number of Multisamples is NUMSAMPLES_1, the rectangle must be
+ * aligned to an 8x4 pixel block relative to the upper left corner
+ * of the depth buffer [...]
+ *
+ * For hiz resolves, the rectangle must also be 8x4 aligned. Item
+ * WaHizAmbiguate8x4Aligned from the Haswell workarounds page and the
+ * Ivybridge simulator require the alignment.
+ *
+ * To be safe, let's just align the rect for all hiz operations and all
+ * hardware generations.
+ *
+ * However, for some miptree slices of a Z24 texture, emitting an 8x4
+ * aligned rectangle that covers the slice may clobber adjacent slices if
+ * we strictly adhered to the texture alignments specified in the PRM. The
+ * Ivybridge PRM, Section "Alignment Unit Size", states that
+ * SURFACE_STATE.Surface_Horizontal_Alignment should be 4 for Z24 surfaces,
+ * not 8. But commit 1f112cc increased the alignment from 4 to 8, which
+ * prevents the clobbering.
+ */
+ params.x1 = minify(params.depth.surf.logical_level0_px.width,
+ params.depth.view.base_level);
+ params.y1 = minify(params.depth.surf.logical_level0_px.height,
+ params.depth.view.base_level);
+ params.x1 = ALIGN(params.x1, 8);
+ params.y1 = ALIGN(params.y1, 4);
+
+ if (params.depth.view.base_level == 0) {
+ /* TODO: What about MSAA? */
+ params.depth.surf.logical_level0_px.width = params.x1;
+ params.depth.surf.logical_level0_px.height = params.y1;
+ }
+
+ params.dst.surf.samples = params.depth.surf.samples;
+ params.dst.surf.logical_level0_px = params.depth.surf.logical_level0_px;
+
+ switch (surf->surf->format) {
+ case ISL_FORMAT_R16_UNORM:
+ params.depth_format = BRW_DEPTHFORMAT_D16_UNORM;
+ break;
+ case ISL_FORMAT_R32_FLOAT:
+ params.depth_format = BRW_DEPTHFORMAT_D32_FLOAT;
+ break;
+ case ISL_FORMAT_R24_UNORM_X8_TYPELESS:
+ params.depth_format = BRW_DEPTHFORMAT_D24_UNORM_X8_UINT;
+ break;
+ default:
+ unreachable("not reached");
+ }
+
+ brw_blorp_exec(brw, ¶ms);
+}
--- /dev/null
+/*
+ * Copyright © 2012 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.
+ */
+
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include "isl/isl.h"
+#include "intel_resolve_map.h" /* needed for enum gen6_hiz_op */
+#include "intel_bufmgr.h" /* needed for drm_intel_bo */
+
+struct brw_context;
+struct brw_wm_prog_key;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct brw_blorp_surf
+{
+ const struct isl_surf *surf;
+ drm_intel_bo *bo;
+ uint32_t offset;
+
+ const struct isl_surf *aux_surf;
+ drm_intel_bo *aux_bo;
+ uint32_t aux_offset;
+ enum isl_aux_usage aux_usage;
+
+ union isl_color_value clear_color;
+};
+
+void
+brw_blorp_blit(struct brw_context *brw,
+ const struct brw_blorp_surf *src_surf,
+ unsigned src_level, unsigned src_layer,
+ enum isl_format src_format, int src_swizzle,
+ const struct brw_blorp_surf *dst_surf,
+ unsigned dst_level, unsigned dst_layer,
+ enum isl_format dst_format,
+ float src_x0, float src_y0,
+ float src_x1, float src_y1,
+ float dst_x0, float dst_y0,
+ float dst_x1, float dst_y1,
+ uint32_t filter, bool mirror_x, bool mirror_y);
+
+void
+blorp_fast_clear(struct brw_context *brw,
+ const struct brw_blorp_surf *surf,
+ uint32_t level, uint32_t layer,
+ uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1);
+
+void
+blorp_clear(struct brw_context *brw,
+ const struct brw_blorp_surf *surf,
+ uint32_t level, uint32_t layer,
+ uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1,
+ enum isl_format format, union isl_color_value clear_color,
+ bool color_write_disable[4]);
+
+void
+brw_blorp_ccs_resolve(struct brw_context *brw, struct brw_blorp_surf *surf,
+ enum isl_format format);
+
+void
+blorp_gen6_hiz_op(struct brw_context *brw, struct brw_blorp_surf *surf,
+ unsigned level, unsigned layer, enum gen6_hiz_op op);
+
+#ifdef __cplusplus
+} /* end extern "C" */
+#endif /* __cplusplus */
--- /dev/null
+/*
+ * Copyright © 2012 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.
+ */
+
+#pragma once
+
+#include <stdint.h>
+
+#include "blorp.h"
+#include "brw_reg.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Binding table indices used by BLORP.
+ */
+enum {
+ BRW_BLORP_RENDERBUFFER_BINDING_TABLE_INDEX,
+ BRW_BLORP_TEXTURE_BINDING_TABLE_INDEX,
+ BRW_BLORP_NUM_BINDING_TABLE_ENTRIES
+};
+
+struct brw_blorp_surface_info
+{
+ struct isl_surf surf;
+ drm_intel_bo *bo;
+ uint32_t offset;
+
+ struct isl_surf aux_surf;
+ drm_intel_bo *aux_bo;
+ uint32_t aux_offset;
+ enum isl_aux_usage aux_usage;
+
+ union isl_color_value clear_color;
+
+ struct isl_view view;
+
+ /* Z offset into a 3-D texture or slice of a 2-D array texture. */
+ uint32_t z_offset;
+
+ uint32_t tile_x_sa, tile_y_sa;
+};
+
+void
+brw_blorp_surface_info_init(struct brw_context *brw,
+ struct brw_blorp_surface_info *info,
+ const struct brw_blorp_surf *surf,
+ unsigned int level, unsigned int layer,
+ enum isl_format format, bool is_render_target);
+
+
+struct brw_blorp_coord_transform
+{
+ float multiplier;
+ float offset;
+};
+
+/**
+ * Bounding rectangle telling pixel discard which pixels are not to be
+ * touched. This is needed in when surfaces are configured as something else
+ * what they really are:
+ *
+ * - writing W-tiled stencil as Y-tiled
+ * - writing interleaved multisampled as single sampled.
+ *
+ * See blorp_nir_discard_if_outside_rect().
+ */
+struct brw_blorp_discard_rect
+{
+ uint32_t x0;
+ uint32_t x1;
+ uint32_t y0;
+ uint32_t y1;
+};
+
+/**
+ * Grid needed for blended and scaled blits of integer formats, see
+ * blorp_nir_manual_blend_bilinear().
+ */
+struct brw_blorp_rect_grid
+{
+ float x1;
+ float y1;
+ float pad[2];
+};
+
+struct brw_blorp_wm_inputs
+{
+ struct brw_blorp_discard_rect discard_rect;
+ struct brw_blorp_rect_grid rect_grid;
+ struct brw_blorp_coord_transform coord_transform[2];
+
+ /* Minimum layer setting works for all the textures types but texture_3d
+ * for which the setting has no effect. Use the z-coordinate instead.
+ */
+ uint32_t src_z;
+
+ /* Pad out to an integral number of registers */
+ uint32_t pad[3];
+};
+
+struct brw_blorp_prog_data
+{
+ bool dispatch_8;
+ bool dispatch_16;
+
+ uint8_t first_curbe_grf_0;
+ uint8_t first_curbe_grf_2;
+
+ uint32_t ksp_offset_2;
+
+ /**
+ * True if the WM program should be run in MSDISPMODE_PERSAMPLE with more
+ * than one sample per pixel.
+ */
+ bool persample_msaa_dispatch;
+
+ /**
+ * Mask of which FS inputs are marked flat by the shader source. This is
+ * needed for setting up 3DSTATE_SF/SBE.
+ */
+ uint32_t flat_inputs;
+ unsigned num_varying_inputs;
+ GLbitfield64 inputs_read;
+};
+
+static inline unsigned
+brw_blorp_get_urb_length(const struct brw_blorp_prog_data *prog_data)
+{
+ if (prog_data == NULL)
+ return 1;
+
+ /* From the BSpec: 3D Pipeline - Strips and Fans - 3DSTATE_SBE
+ *
+ * read_length = ceiling((max_source_attr+1)/2)
+ */
+ return MAX2((prog_data->num_varying_inputs + 1) / 2, 1);
+}
+
+struct brw_blorp_params
+{
+ uint32_t x0;
+ uint32_t y0;
+ uint32_t x1;
+ uint32_t y1;
+ struct brw_blorp_surface_info depth;
+ uint32_t depth_format;
+ struct brw_blorp_surface_info src;
+ struct brw_blorp_surface_info dst;
+ enum gen6_hiz_op hiz_op;
+ union {
+ unsigned fast_clear_op;
+ unsigned resolve_type;
+ };
+ bool color_write_disable[4];
+ struct brw_blorp_wm_inputs wm_inputs;
+ unsigned num_draw_buffers;
+ unsigned num_layers;
+ uint32_t wm_prog_kernel;
+ struct brw_blorp_prog_data *wm_prog_data;
+};
+
+void
+brw_blorp_params_init(struct brw_blorp_params *params);
+
+void
+brw_blorp_exec(struct brw_context *brw, const struct brw_blorp_params *params);
+
+void
+gen6_blorp_exec(struct brw_context *brw,
+ const struct brw_blorp_params *params);
+
+void
+gen7_blorp_exec(struct brw_context *brw,
+ const struct brw_blorp_params *params);
+
+void
+gen8_blorp_exec(struct brw_context *brw, const struct brw_blorp_params *params);
+
+struct brw_blorp_blit_prog_key
+{
+ /* Number of samples per pixel that have been configured in the surface
+ * state for texturing from.
+ */
+ unsigned tex_samples;
+
+ /* MSAA layout that has been configured in the surface state for texturing
+ * from.
+ */
+ enum isl_msaa_layout tex_layout;
+
+ enum isl_aux_usage tex_aux_usage;
+
+ /* Actual number of samples per pixel in the source image. */
+ unsigned src_samples;
+
+ /* Actual MSAA layout used by the source image. */
+ enum isl_msaa_layout src_layout;
+
+ /* Number of samples per pixel that have been configured in the render
+ * target.
+ */
+ unsigned rt_samples;
+
+ /* MSAA layout that has been configured in the render target. */
+ enum isl_msaa_layout rt_layout;
+
+ /* Actual number of samples per pixel in the destination image. */
+ unsigned dst_samples;
+
+ /* Actual MSAA layout used by the destination image. */
+ enum isl_msaa_layout dst_layout;
+
+ /* Type of the data to be read from the texture (one of
+ * BRW_REGISTER_TYPE_{UD,D,F}).
+ */
+ enum brw_reg_type texture_data_type;
+
+ /* True if the source image is W tiled. If true, the surface state for the
+ * source image must be configured as Y tiled, and tex_samples must be 0.
+ */
+ bool src_tiled_w;
+
+ /* True if the destination image is W tiled. If true, the surface state
+ * for the render target must be configured as Y tiled, and rt_samples must
+ * be 0.
+ */
+ bool dst_tiled_w;
+
+ /* True if all source samples should be blended together to produce each
+ * destination pixel. If true, src_tiled_w must be false, tex_samples must
+ * equal src_samples, and tex_samples must be nonzero.
+ */
+ bool blend;
+
+ /* True if the rectangle being sent through the rendering pipeline might be
+ * larger than the destination rectangle, so the WM program should kill any
+ * pixels that are outside the destination rectangle.
+ */
+ bool use_kill;
+
+ /**
+ * True if the WM program should be run in MSDISPMODE_PERSAMPLE with more
+ * than one sample per pixel.
+ */
+ bool persample_msaa_dispatch;
+
+ /* True for scaled blitting. */
+ bool blit_scaled;
+
+ /* Scale factors between the pixel grid and the grid of samples. We're
+ * using grid of samples for bilinear filetring in multisample scaled blits.
+ */
+ float x_scale;
+ float y_scale;
+
+ /* True for blits with filter = GL_LINEAR. */
+ bool bilinear_filter;
+};
+
+/**
+ * \name BLORP internals
+ * \{
+ *
+ * Used internally by gen6_blorp_exec() and gen7_blorp_exec().
+ */
+
+void brw_blorp_init_wm_prog_key(struct brw_wm_prog_key *wm_key);
+
+const unsigned *
+brw_blorp_compile_nir_shader(struct brw_context *brw, struct nir_shader *nir,
+ const struct brw_wm_prog_key *wm_key,
+ bool use_repclear,
+ struct brw_blorp_prog_data *prog_data,
+ unsigned *program_size);
+
+uint32_t
+brw_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);
+
+void
+gen6_blorp_init(struct brw_context *brw);
+
+void
+gen6_blorp_emit_vertices(struct brw_context *brw,
+ const struct brw_blorp_params *params);
+
+uint32_t
+gen6_blorp_emit_blend_state(struct brw_context *brw,
+ const struct brw_blorp_params *params);
+
+uint32_t
+gen6_blorp_emit_cc_state(struct brw_context *brw);
+
+uint32_t
+gen6_blorp_emit_wm_constants(struct brw_context *brw,
+ const struct brw_blorp_params *params);
+
+void
+gen6_blorp_emit_vs_disable(struct brw_context *brw,
+ const struct brw_blorp_params *params);
+
+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
+gen6_blorp_emit_depth_stencil_state(struct brw_context *brw,
+ const struct brw_blorp_params *params);
+
+void
+gen6_blorp_emit_gs_disable(struct brw_context *brw,
+ const struct brw_blorp_params *params);
+
+void
+gen6_blorp_emit_clip_disable(struct brw_context *brw);
+
+void
+gen6_blorp_emit_drawing_rectangle(struct brw_context *brw,
+ const struct brw_blorp_params *params);
+
+uint32_t
+gen6_blorp_emit_sampler_state(struct brw_context *brw,
+ unsigned tex_filter, unsigned max_lod,
+ bool non_normalized_coords);
+void
+gen7_blorp_emit_urb_config(struct brw_context *brw,
+ const struct brw_blorp_params *params);
+
+void
+gen7_blorp_emit_blend_state_pointer(struct brw_context *brw,
+ uint32_t cc_blend_state_offset);
+
+void
+gen7_blorp_emit_cc_state_pointer(struct brw_context *brw,
+ uint32_t cc_state_offset);
+
+void
+gen7_blorp_emit_cc_viewport(struct brw_context *brw);
+
+void
+gen7_blorp_emit_te_disable(struct brw_context *brw);
+
+void
+gen7_blorp_emit_binding_table_pointers_ps(struct brw_context *brw,
+ uint32_t wm_bind_bo_offset);
+
+void
+gen7_blorp_emit_sampler_state_pointers_ps(struct brw_context *brw,
+ uint32_t sampler_offset);
+
+void
+gen7_blorp_emit_clear_params(struct brw_context *brw,
+ const struct brw_blorp_params *params);
+
+void
+gen7_blorp_emit_constant_ps(struct brw_context *brw,
+ uint32_t wm_push_const_offset);
+
+void
+gen7_blorp_emit_constant_ps_disable(struct brw_context *brw);
+
+void
+gen7_blorp_emit_primitive(struct brw_context *brw,
+ const struct brw_blorp_params *params);
+
+/** \} */
+
+#ifdef __cplusplus
+} /* end extern "C" */
+#endif /* __cplusplus */
* IN THE SOFTWARE.
*/
-#include <errno.h>
-#include "intel_batchbuffer.h"
-#include "intel_fbo.h"
+#include "main/context.h"
+#include "main/teximage.h"
+#include "main/blend.h"
+#include "main/fbobject.h"
+#include "main/renderbuffer.h"
+#include "main/glformats.h"
#include "brw_blorp.h"
-#include "brw_compiler.h"
-#include "brw_nir.h"
+#include "brw_context.h"
+#include "brw_meta_util.h"
#include "brw_state.h"
+#include "intel_fbo.h"
+#include "intel_debug.h"
#define FILE_DEBUG_FLAG DEBUG_BLORP
ALIGN(surf->phys_level0_sa.height, surf->image_alignment_el.height);
}
-void
+static void
brw_blorp_surf_for_miptree(struct brw_context *brw,
struct brw_blorp_surf *surf,
struct intel_mipmap_tree *mt,
assert((surf->aux_usage == ISL_AUX_USAGE_NONE) == (surf->aux_bo == NULL));
}
-enum isl_format
+static enum isl_format
brw_blorp_to_isl_format(struct brw_context *brw, mesa_format format,
bool is_render_target)
{
}
}
+/**
+ * Note: if the src (or dst) is a 2D multisample array texture on Gen7+ using
+ * INTEL_MSAA_LAYOUT_UMS or INTEL_MSAA_LAYOUT_CMS, src_layer (dst_layer) is
+ * the physical layer holding sample 0. So, for example, if
+ * src_mt->num_samples == 4, then logical layer n corresponds to src_layer ==
+ * 4*n.
+ */
void
-brw_blorp_surface_info_init(struct brw_context *brw,
- struct brw_blorp_surface_info *info,
- const struct brw_blorp_surf *surf,
- unsigned int level, unsigned int layer,
- enum isl_format format, bool is_render_target)
+brw_blorp_blit_miptrees(struct brw_context *brw,
+ struct intel_mipmap_tree *src_mt,
+ unsigned src_level, unsigned src_layer,
+ mesa_format src_format, int src_swizzle,
+ struct intel_mipmap_tree *dst_mt,
+ unsigned dst_level, unsigned dst_layer,
+ mesa_format dst_format,
+ float src_x0, float src_y0,
+ float src_x1, float src_y1,
+ float dst_x0, float dst_y0,
+ float dst_x1, float dst_y1,
+ GLenum filter, bool mirror_x, bool mirror_y,
+ bool decode_srgb, bool encode_srgb)
{
- /* Layer is a physical layer, so if this is a 2D multisample array texture
- * using INTEL_MSAA_LAYOUT_UMS or INTEL_MSAA_LAYOUT_CMS, then it had better
- * be a multiple of num_samples.
+ /* Get ready to blit. This includes depth resolving the src and dst
+ * buffers if necessary. Note: it's not necessary to do a color resolve on
+ * the destination buffer because we use the standard render path to render
+ * to destination color buffers, and the standard render path is
+ * fast-color-aware.
*/
- unsigned layer_multiplier = 1;
- if (surf->surf->msaa_layout == ISL_MSAA_LAYOUT_ARRAY) {
- assert(layer % surf->surf->samples == 0);
- layer_multiplier = surf->surf->samples;
- }
-
- if (format == ISL_FORMAT_UNSUPPORTED)
- format = surf->surf->format;
-
- if (format == ISL_FORMAT_R24_UNORM_X8_TYPELESS) {
- /* Unfortunately, ISL_FORMAT_R24_UNORM_X8_TYPELESS it isn't supported as
- * a render target, which would prevent us from blitting to 24-bit
- * depth. The miptree consists of 32 bits per pixel, arranged as 24-bit
- * depth values interleaved with 8 "don't care" bits. Since depth
- * values don't require any blending, it doesn't matter how we interpret
- * the bit pattern as long as we copy the right amount of data, so just
- * map it as 8-bit BGRA.
- */
- format = ISL_FORMAT_B8G8R8A8_UNORM;
- } else if (surf->surf->usage & ISL_SURF_USAGE_STENCIL_BIT) {
- assert(surf->surf->format == ISL_FORMAT_R8_UINT);
- /* Prior to Broadwell, we can't render to R8_UINT */
- if (brw->gen < 8)
- format = ISL_FORMAT_R8_UNORM;
- }
-
- info->surf = *surf->surf;
- info->bo = surf->bo;
- info->offset = surf->offset;
-
- info->aux_usage = surf->aux_usage;
- if (info->aux_usage != ISL_AUX_USAGE_NONE) {
- info->aux_surf = *surf->aux_surf;
- info->aux_bo = surf->aux_bo;
- info->aux_offset = surf->aux_offset;
+ intel_miptree_resolve_color(brw, src_mt, INTEL_MIPTREE_IGNORE_CCS_E);
+ intel_miptree_slice_resolve_depth(brw, src_mt, src_level, src_layer);
+ intel_miptree_slice_resolve_depth(brw, dst_mt, dst_level, dst_layer);
+
+ intel_miptree_prepare_mcs(brw, dst_mt);
+
+ DBG("%s from %dx %s mt %p %d %d (%f,%f) (%f,%f)"
+ "to %dx %s mt %p %d %d (%f,%f) (%f,%f) (flip %d,%d)\n",
+ __func__,
+ src_mt->num_samples, _mesa_get_format_name(src_mt->format), src_mt,
+ src_level, src_layer, src_x0, src_y0, src_x1, src_y1,
+ dst_mt->num_samples, _mesa_get_format_name(dst_mt->format), dst_mt,
+ dst_level, dst_layer, dst_x0, dst_y0, dst_x1, dst_y1,
+ mirror_x, mirror_y);
+
+ if (!decode_srgb && _mesa_get_format_color_encoding(src_format) == GL_SRGB)
+ src_format = _mesa_get_srgb_format_linear(src_format);
+
+ if (!encode_srgb && _mesa_get_format_color_encoding(dst_format) == GL_SRGB)
+ dst_format = _mesa_get_srgb_format_linear(dst_format);
+
+ /* When doing a multisample resolve of a GL_LUMINANCE32F or GL_INTENSITY32F
+ * texture, the above code configures the source format for L32_FLOAT or
+ * I32_FLOAT, and the destination format for R32_FLOAT. On Sandy Bridge,
+ * the SAMPLE message appears to handle multisampled L32_FLOAT and
+ * I32_FLOAT textures incorrectly, resulting in blocky artifacts. So work
+ * around the problem by using a source format of R32_FLOAT. This
+ * shouldn't affect rendering correctness, since the destination format is
+ * R32_FLOAT, so only the contents of the red channel matters.
+ */
+ if (brw->gen == 6 &&
+ src_mt->num_samples > 1 && dst_mt->num_samples <= 1 &&
+ src_mt->format == dst_mt->format &&
+ (dst_format == MESA_FORMAT_L_FLOAT32 ||
+ dst_format == MESA_FORMAT_I_FLOAT32)) {
+ src_format = dst_format = MESA_FORMAT_R_FLOAT32;
}
- info->clear_color = surf->clear_color;
-
- info->view = (struct isl_view) {
- .usage = is_render_target ? ISL_SURF_USAGE_RENDER_TARGET_BIT :
- ISL_SURF_USAGE_TEXTURE_BIT,
- .format = format,
- .base_level = level,
- .levels = 1,
- .channel_select = {
- ISL_CHANNEL_SELECT_RED,
- ISL_CHANNEL_SELECT_GREEN,
- ISL_CHANNEL_SELECT_BLUE,
- ISL_CHANNEL_SELECT_ALPHA,
- },
- };
-
- if (!is_render_target &&
- (info->surf.dim == ISL_SURF_DIM_3D ||
- info->surf.msaa_layout == ISL_MSAA_LAYOUT_ARRAY)) {
- /* 3-D textures don't support base_array layer and neither do 2-D
- * multisampled textures on IVB so we need to pass it through the
- * sampler in those cases. These are also two cases where we are
- * guaranteed that we won't be doing any funny surface hacks.
- */
- info->view.base_array_layer = 0;
- info->view.array_len = MAX2(info->surf.logical_level0_px.depth,
- info->surf.logical_level0_px.array_len);
- info->z_offset = layer / layer_multiplier;
- } else {
- info->view.base_array_layer = layer / layer_multiplier;
- info->view.array_len = 1;
- info->z_offset = 0;
- }
+ intel_miptree_check_level_layer(src_mt, src_level, src_layer);
+ intel_miptree_check_level_layer(dst_mt, dst_level, dst_layer);
+ intel_miptree_used_for_rendering(dst_mt);
+
+ struct isl_surf tmp_surfs[4];
+ struct brw_blorp_surf src_surf, dst_surf;
+ brw_blorp_surf_for_miptree(brw, &src_surf, src_mt, false,
+ &src_level, &tmp_surfs[0]);
+ brw_blorp_surf_for_miptree(brw, &dst_surf, dst_mt, true,
+ &dst_level, &tmp_surfs[2]);
+
+ brw_blorp_blit(brw, &src_surf, src_level, src_layer,
+ brw_blorp_to_isl_format(brw, src_format, false), src_swizzle,
+ &dst_surf, dst_level, dst_layer,
+ brw_blorp_to_isl_format(brw, dst_format, true),
+ src_x0, src_y0, src_x1, src_y1,
+ dst_x0, dst_y0, dst_x1, dst_y1,
+ filter, mirror_x, mirror_y);
+
+ intel_miptree_slice_set_needs_hiz_resolve(dst_mt, dst_level, dst_layer);
+
+ if (intel_miptree_is_lossless_compressed(brw, dst_mt))
+ dst_mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_UNRESOLVED;
}
+static struct intel_mipmap_tree *
+find_miptree(GLbitfield buffer_bit, struct intel_renderbuffer *irb)
+{
+ struct intel_mipmap_tree *mt = irb->mt;
+ if (buffer_bit == GL_STENCIL_BUFFER_BIT && mt->stencil_mt)
+ mt = mt->stencil_mt;
+ return mt;
+}
-void
-brw_blorp_params_init(struct brw_blorp_params *params)
+static int
+blorp_get_texture_swizzle(const struct intel_renderbuffer *irb)
{
- memset(params, 0, sizeof(*params));
- params->hiz_op = GEN6_HIZ_OP_NONE;
- params->fast_clear_op = 0;
- params->num_draw_buffers = 1;
- params->num_layers = 1;
+ return irb->Base.Base._BaseFormat == GL_RGB ?
+ MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ONE) :
+ SWIZZLE_XYZW;
}
-void
-brw_blorp_init_wm_prog_key(struct brw_wm_prog_key *wm_key)
+static void
+do_blorp_blit(struct brw_context *brw, GLbitfield buffer_bit,
+ struct intel_renderbuffer *src_irb, mesa_format src_format,
+ struct intel_renderbuffer *dst_irb, mesa_format dst_format,
+ GLfloat srcX0, GLfloat srcY0, GLfloat srcX1, GLfloat srcY1,
+ GLfloat dstX0, GLfloat dstY0, GLfloat dstX1, GLfloat dstY1,
+ GLenum filter, bool mirror_x, bool mirror_y)
{
- memset(wm_key, 0, sizeof(*wm_key));
- wm_key->nr_color_regions = 1;
- for (int i = 0; i < MAX_SAMPLERS; i++)
- wm_key->tex.swizzles[i] = SWIZZLE_XYZW;
+ const struct gl_context *ctx = &brw->ctx;
+
+ /* Find source/dst miptrees */
+ struct intel_mipmap_tree *src_mt = find_miptree(buffer_bit, src_irb);
+ struct intel_mipmap_tree *dst_mt = find_miptree(buffer_bit, dst_irb);
+
+ const bool do_srgb = ctx->Color.sRGBEnabled;
+
+ /* Do the blit */
+ brw_blorp_blit_miptrees(brw,
+ src_mt, src_irb->mt_level, src_irb->mt_layer,
+ src_format, blorp_get_texture_swizzle(src_irb),
+ dst_mt, dst_irb->mt_level, dst_irb->mt_layer,
+ dst_format,
+ srcX0, srcY0, srcX1, srcY1,
+ dstX0, dstY0, dstX1, dstY1,
+ filter, mirror_x, mirror_y,
+ do_srgb, do_srgb);
+
+ dst_irb->need_downsample = true;
}
-static int
-nir_uniform_type_size(const struct glsl_type *type)
+static bool
+try_blorp_blit(struct brw_context *brw,
+ const struct gl_framebuffer *read_fb,
+ const struct gl_framebuffer *draw_fb,
+ GLfloat srcX0, GLfloat srcY0, GLfloat srcX1, GLfloat srcY1,
+ GLfloat dstX0, GLfloat dstY0, GLfloat dstX1, GLfloat dstY1,
+ GLenum filter, GLbitfield buffer_bit)
{
- /* Only very basic types are allowed */
- assert(glsl_type_is_vector_or_scalar(type));
- assert(glsl_get_bit_size(type) == 32);
+ struct gl_context *ctx = &brw->ctx;
+
+ /* Sync up the state of window system buffers. We need to do this before
+ * we go looking for the buffers.
+ */
+ intel_prepare_render(brw);
+
+ bool mirror_x, mirror_y;
+ if (brw_meta_mirror_clip_and_scissor(ctx, read_fb, draw_fb,
+ &srcX0, &srcY0, &srcX1, &srcY1,
+ &dstX0, &dstY0, &dstX1, &dstY1,
+ &mirror_x, &mirror_y))
+ return true;
+
+ /* Find buffers */
+ struct intel_renderbuffer *src_irb;
+ struct intel_renderbuffer *dst_irb;
+ struct intel_mipmap_tree *src_mt;
+ struct intel_mipmap_tree *dst_mt;
+ switch (buffer_bit) {
+ case GL_COLOR_BUFFER_BIT:
+ src_irb = intel_renderbuffer(read_fb->_ColorReadBuffer);
+ for (unsigned i = 0; i < draw_fb->_NumColorDrawBuffers; ++i) {
+ dst_irb = intel_renderbuffer(draw_fb->_ColorDrawBuffers[i]);
+ if (dst_irb)
+ do_blorp_blit(brw, buffer_bit,
+ src_irb, src_irb->Base.Base.Format,
+ dst_irb, dst_irb->Base.Base.Format,
+ srcX0, srcY0, srcX1, srcY1,
+ dstX0, dstY0, dstX1, dstY1,
+ filter, mirror_x, mirror_y);
+ }
+ break;
+ case GL_DEPTH_BUFFER_BIT:
+ src_irb =
+ intel_renderbuffer(read_fb->Attachment[BUFFER_DEPTH].Renderbuffer);
+ dst_irb =
+ intel_renderbuffer(draw_fb->Attachment[BUFFER_DEPTH].Renderbuffer);
+ src_mt = find_miptree(buffer_bit, src_irb);
+ dst_mt = find_miptree(buffer_bit, dst_irb);
+
+ /* We can't handle format conversions between Z24 and other formats
+ * since we have to lie about the surface format. See the comments in
+ * brw_blorp_surface_info::set().
+ */
+ if ((src_mt->format == MESA_FORMAT_Z24_UNORM_X8_UINT) !=
+ (dst_mt->format == MESA_FORMAT_Z24_UNORM_X8_UINT))
+ return false;
+
+ do_blorp_blit(brw, buffer_bit, src_irb, MESA_FORMAT_NONE,
+ dst_irb, MESA_FORMAT_NONE, srcX0, srcY0,
+ srcX1, srcY1, dstX0, dstY0, dstX1, dstY1,
+ filter, mirror_x, mirror_y);
+ break;
+ case GL_STENCIL_BUFFER_BIT:
+ src_irb =
+ intel_renderbuffer(read_fb->Attachment[BUFFER_STENCIL].Renderbuffer);
+ dst_irb =
+ intel_renderbuffer(draw_fb->Attachment[BUFFER_STENCIL].Renderbuffer);
+ do_blorp_blit(brw, buffer_bit, src_irb, MESA_FORMAT_NONE,
+ dst_irb, MESA_FORMAT_NONE, srcX0, srcY0,
+ srcX1, srcY1, dstX0, dstY0, dstX1, dstY1,
+ filter, mirror_x, mirror_y);
+ break;
+ default:
+ unreachable("not reached");
+ }
- return glsl_get_vector_elements(type) * 4;
+ return true;
}
-const unsigned *
-brw_blorp_compile_nir_shader(struct brw_context *brw, struct nir_shader *nir,
- const struct brw_wm_prog_key *wm_key,
- bool use_repclear,
- struct brw_blorp_prog_data *prog_data,
- unsigned *program_size)
+bool
+brw_blorp_copytexsubimage(struct brw_context *brw,
+ struct gl_renderbuffer *src_rb,
+ struct gl_texture_image *dst_image,
+ int slice,
+ int srcX0, int srcY0,
+ int dstX0, int dstY0,
+ int width, int height)
{
- const struct brw_compiler *compiler = brw->intelScreen->compiler;
+ struct gl_context *ctx = &brw->ctx;
+ struct intel_renderbuffer *src_irb = intel_renderbuffer(src_rb);
+ struct intel_texture_image *intel_image = intel_texture_image(dst_image);
- void *mem_ctx = ralloc_context(NULL);
+ /* No pixel transfer operations (zoom, bias, mapping), just a blit */
+ if (brw->ctx._ImageTransferState)
+ return false;
- /* Calling brw_preprocess_nir and friends is destructive and, if cloning is
- * enabled, may end up completely replacing the nir_shader. Therefore, we
- * own it and might as well put it in our context for easy cleanup.
+ /* Sync up the state of window system buffers. We need to do this before
+ * we go looking at the src renderbuffer's miptree.
*/
- ralloc_steal(mem_ctx, nir);
- nir->options =
- compiler->glsl_compiler_options[MESA_SHADER_FRAGMENT].NirOptions;
+ intel_prepare_render(brw);
- struct brw_wm_prog_data wm_prog_data;
- memset(&wm_prog_data, 0, sizeof(wm_prog_data));
+ struct intel_mipmap_tree *src_mt = src_irb->mt;
+ struct intel_mipmap_tree *dst_mt = intel_image->mt;
- wm_prog_data.base.nr_params = 0;
- wm_prog_data.base.param = NULL;
+ /* There is support for only up to eight samples. */
+ if (src_mt->num_samples > 8 || dst_mt->num_samples > 8)
+ return false;
- /* BLORP always just uses the first two binding table entries */
- wm_prog_data.binding_table.render_target_start = 0;
- wm_prog_data.base.binding_table.texture_start = 1;
+ /* BLORP is only supported from Gen6 onwards. */
+ if (brw->gen < 6)
+ return false;
- nir = brw_preprocess_nir(compiler, nir);
- nir_remove_dead_variables(nir, nir_var_shader_in);
- nir_shader_gather_info(nir, nir_shader_get_entrypoint(nir)->impl);
+ if (_mesa_get_format_base_format(src_rb->Format) !=
+ _mesa_get_format_base_format(dst_image->TexFormat)) {
+ return false;
+ }
- /* Uniforms are required to be lowered before going into compile_fs. For
- * BLORP, we'll assume that whoever builds the shader sets the location
- * they want so we just need to lower them and figure out how many we have
- * in total.
+ /* We can't handle format conversions between Z24 and other formats since
+ * we have to lie about the surface format. See the comments in
+ * brw_blorp_surface_info::set().
*/
- nir->num_uniforms = 0;
- nir_foreach_variable(var, &nir->uniforms) {
- var->data.driver_location = var->data.location;
- unsigned end = var->data.location + nir_uniform_type_size(var->type);
- nir->num_uniforms = MAX2(nir->num_uniforms, end);
+ if ((src_mt->format == MESA_FORMAT_Z24_UNORM_X8_UINT) !=
+ (dst_mt->format == MESA_FORMAT_Z24_UNORM_X8_UINT)) {
+ return false;
}
- nir_lower_io(nir, nir_var_uniform, nir_uniform_type_size);
-
- const unsigned *program =
- brw_compile_fs(compiler, brw, mem_ctx, wm_key, &wm_prog_data, nir,
- NULL, -1, -1, false, use_repclear, program_size, NULL);
-
- /* Copy the relavent bits of wm_prog_data over into the blorp prog data */
- prog_data->dispatch_8 = wm_prog_data.dispatch_8;
- prog_data->dispatch_16 = wm_prog_data.dispatch_16;
- prog_data->first_curbe_grf_0 = wm_prog_data.base.dispatch_grf_start_reg;
- prog_data->first_curbe_grf_2 = wm_prog_data.dispatch_grf_start_reg_2;
- prog_data->ksp_offset_2 = wm_prog_data.prog_offset_2;
- prog_data->persample_msaa_dispatch = wm_prog_data.persample_dispatch;
- prog_data->flat_inputs = wm_prog_data.flat_inputs;
- prog_data->num_varying_inputs = wm_prog_data.num_varying_inputs;
- prog_data->inputs_read = nir->info.inputs_read;
-
- assert(wm_prog_data.base.nr_params == 0);
-
- return program;
-}
-struct surface_state_info {
- unsigned num_dwords;
- unsigned ss_align; /* Required alignment of RENDER_SURFACE_STATE in bytes */
- unsigned reloc_dw;
- unsigned aux_reloc_dw;
- unsigned tex_mocs;
- unsigned rb_mocs;
-};
-
-static const struct surface_state_info surface_state_infos[] = {
- [6] = {6, 32, 1, 0},
- [7] = {8, 32, 1, 6, GEN7_MOCS_L3, GEN7_MOCS_L3},
- [8] = {13, 64, 8, 10, BDW_MOCS_WB, BDW_MOCS_PTE},
- [9] = {16, 64, 8, 10, SKL_MOCS_WB, SKL_MOCS_PTE},
-};
-
-uint32_t
-brw_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)
-{
- const struct surface_state_info ss_info = surface_state_infos[brw->gen];
+ if (!brw->format_supported_as_render_target[dst_image->TexFormat])
+ return false;
- struct isl_surf surf = surface->surf;
+ /* Source clipping shouldn't be necessary, since copytexsubimage (in
+ * src/mesa/main/teximage.c) calls _mesa_clip_copytexsubimage() which
+ * takes care of it.
+ *
+ * Destination clipping shouldn't be necessary since the restrictions on
+ * glCopyTexSubImage prevent the user from specifying a destination rectangle
+ * that falls outside the bounds of the destination texture.
+ * See error_check_subtexture_dimensions().
+ */
- if (surf.dim == ISL_SURF_DIM_1D &&
- surf.dim_layout == ISL_DIM_LAYOUT_GEN4_2D) {
- assert(surf.logical_level0_px.height == 1);
- surf.dim = ISL_SURF_DIM_2D;
+ int srcY1 = srcY0 + height;
+ int srcX1 = srcX0 + width;
+ int dstX1 = dstX0 + width;
+ int dstY1 = dstY0 + height;
+
+ /* Account for the fact that in the system framebuffer, the origin is at
+ * the lower left.
+ */
+ bool mirror_y = false;
+ if (_mesa_is_winsys_fbo(ctx->ReadBuffer)) {
+ GLint tmp = src_rb->Height - srcY0;
+ srcY0 = src_rb->Height - srcY1;
+ srcY1 = tmp;
+ mirror_y = true;
}
- /* Blorp doesn't support HiZ in any of the blit or slow-clear paths */
- enum isl_aux_usage aux_usage = surface->aux_usage;
- if (aux_usage == ISL_AUX_USAGE_HIZ)
- aux_usage = ISL_AUX_USAGE_NONE;
-
- uint32_t surf_offset;
- uint32_t *dw = brw_state_batch(brw, AUB_TRACE_SURFACE_STATE,
- ss_info.num_dwords * 4, ss_info.ss_align,
- &surf_offset);
-
- const uint32_t mocs = is_render_target ? ss_info.rb_mocs : ss_info.tex_mocs;
- uint64_t aux_bo_offset = surface->aux_bo ? surface->aux_bo->offset64 : 0;
-
- isl_surf_fill_state(&brw->isl_dev, dw, .surf = &surf, .view = &surface->view,
- .address = surface->bo->offset64 + surface->offset,
- .aux_surf = &surface->aux_surf, .aux_usage = aux_usage,
- .aux_address = aux_bo_offset + surface->aux_offset,
- .mocs = mocs, .clear_color = surface->clear_color,
- .x_offset_sa = surface->tile_x_sa,
- .y_offset_sa = surface->tile_y_sa);
-
- /* Emit relocation to surface contents */
- drm_intel_bo_emit_reloc(brw->batch.bo,
- surf_offset + ss_info.reloc_dw * 4,
- surface->bo,
- dw[ss_info.reloc_dw] - surface->bo->offset64,
- read_domains, write_domain);
-
- if (aux_usage != ISL_AUX_USAGE_NONE) {
- /* On gen7 and prior, the bottom 12 bits of the MCS base address are
- * used to store other information. This should be ok, however, because
- * surface buffer addresses are always 4K page alinged.
- */
- assert((surface->aux_offset & 0xfff) == 0);
- drm_intel_bo_emit_reloc(brw->batch.bo,
- surf_offset + ss_info.aux_reloc_dw * 4,
- surface->aux_bo,
- dw[ss_info.aux_reloc_dw] & 0xfff,
- read_domains, write_domain);
+ /* Account for face selection and texture view MinLayer */
+ int dst_slice = slice + dst_image->TexObject->MinLayer + dst_image->Face;
+ int dst_level = dst_image->Level + dst_image->TexObject->MinLevel;
+
+ brw_blorp_blit_miptrees(brw,
+ src_mt, src_irb->mt_level, src_irb->mt_layer,
+ src_rb->Format, blorp_get_texture_swizzle(src_irb),
+ dst_mt, dst_level, dst_slice,
+ dst_image->TexFormat,
+ srcX0, srcY0, srcX1, srcY1,
+ dstX0, dstY0, dstX1, dstY1,
+ GL_NEAREST, false, mirror_y,
+ false, false);
+
+ /* If we're copying to a packed depth stencil texture and the source
+ * framebuffer has separate stencil, we need to also copy the stencil data
+ * over.
+ */
+ src_rb = ctx->ReadBuffer->Attachment[BUFFER_STENCIL].Renderbuffer;
+ if (_mesa_get_format_bits(dst_image->TexFormat, GL_STENCIL_BITS) > 0 &&
+ src_rb != NULL) {
+ src_irb = intel_renderbuffer(src_rb);
+ src_mt = src_irb->mt;
+
+ if (src_mt->stencil_mt)
+ src_mt = src_mt->stencil_mt;
+ if (dst_mt->stencil_mt)
+ dst_mt = dst_mt->stencil_mt;
+
+ if (src_mt != dst_mt) {
+ brw_blorp_blit_miptrees(brw,
+ src_mt, src_irb->mt_level, src_irb->mt_layer,
+ src_mt->format,
+ blorp_get_texture_swizzle(src_irb),
+ dst_mt, dst_level, dst_slice,
+ dst_mt->format,
+ srcX0, srcY0, srcX1, srcY1,
+ dstX0, dstY0, dstX1, dstY1,
+ GL_NEAREST, false, mirror_y,
+ false, false);
+ }
}
- return surf_offset;
+ return true;
}
-/**
- * Perform a HiZ or depth resolve operation.
- *
- * For an overview of HiZ ops, see the following sections of the Sandy Bridge
- * PRM, Volume 1, Part 2:
- * - 7.5.3.1 Depth Buffer Clear
- * - 7.5.3.2 Depth Buffer Resolve
- * - 7.5.3.3 Hierarchical Depth Buffer Resolve
- */
-void
-intel_hiz_exec(struct brw_context *brw, struct intel_mipmap_tree *mt,
- unsigned int level, unsigned int layer, enum gen6_hiz_op op)
+
+GLbitfield
+brw_blorp_framebuffer(struct brw_context *brw,
+ struct gl_framebuffer *readFb,
+ struct gl_framebuffer *drawFb,
+ GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
+ GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
+ GLbitfield mask, GLenum filter)
{
- const char *opname = NULL;
+ /* BLORP is not supported before Gen6. */
+ if (brw->gen < 6)
+ return mask;
+
+ static GLbitfield buffer_bits[] = {
+ GL_COLOR_BUFFER_BIT,
+ GL_DEPTH_BUFFER_BIT,
+ GL_STENCIL_BUFFER_BIT,
+ };
- switch (op) {
- case GEN6_HIZ_OP_DEPTH_RESOLVE:
- opname = "depth resolve";
- break;
- case GEN6_HIZ_OP_HIZ_RESOLVE:
- opname = "hiz ambiguate";
- break;
- case GEN6_HIZ_OP_DEPTH_CLEAR:
- opname = "depth clear";
- break;
- case GEN6_HIZ_OP_NONE:
- opname = "noop?";
- break;
+ for (unsigned int i = 0; i < ARRAY_SIZE(buffer_bits); ++i) {
+ if ((mask & buffer_bits[i]) &&
+ try_blorp_blit(brw, readFb, drawFb,
+ srcX0, srcY0, srcX1, srcY1,
+ dstX0, dstY0, dstX1, dstY1,
+ filter, buffer_bits[i])) {
+ mask &= ~buffer_bits[i];
+ }
}
- DBG("%s %s to mt %p level %d layer %d\n",
- __func__, opname, mt, level, layer);
+ return mask;
+}
- if (brw->gen >= 8) {
- gen8_hiz_exec(brw, mt, level, layer, op);
- } else {
- gen6_blorp_hiz_exec(brw, mt, level, layer, op);
+static bool
+set_write_disables(const struct intel_renderbuffer *irb,
+ const GLubyte *color_mask, bool *color_write_disable)
+{
+ /* Format information in the renderbuffer represents the requirements
+ * given by the client. There are cases where the backing miptree uses,
+ * for example, RGBA to represent RGBX. Since the client is only expecting
+ * RGB we can treat alpha as not used and write whatever we like into it.
+ */
+ const GLenum base_format = irb->Base.Base._BaseFormat;
+ const int components = _mesa_base_format_component_count(base_format);
+ bool disables = false;
+
+ assert(components > 0);
+
+ for (int i = 0; i < components; i++) {
+ color_write_disable[i] = !color_mask[i];
+ disables = disables || !color_mask[i];
}
+
+ return disables;
}
-void
-brw_blorp_exec(struct brw_context *brw, const struct brw_blorp_params *params)
+static bool
+do_single_blorp_clear(struct brw_context *brw, struct gl_framebuffer *fb,
+ struct gl_renderbuffer *rb, unsigned buf,
+ bool partial_clear, bool encode_srgb, unsigned layer)
{
struct gl_context *ctx = &brw->ctx;
- const uint32_t estimated_max_batch_usage = brw->gen >= 8 ? 1800 : 1500;
- bool check_aperture_failed_once = false;
-
- /* Flush the sampler and render caches. We definitely need to flush the
- * sampler cache so that we get updated contents from the render cache for
- * the glBlitFramebuffer() source. Also, we are sometimes warned in the
- * docs to flush the cache between reinterpretations of the same surface
- * data with different formats, which blorp does for stencil and depth
- * data.
- */
- brw_emit_mi_flush(brw);
+ struct intel_renderbuffer *irb = intel_renderbuffer(rb);
+ mesa_format format = irb->mt->format;
+ uint32_t x0, x1, y0, y1;
+
+ if (!encode_srgb && _mesa_get_format_color_encoding(format) == GL_SRGB)
+ format = _mesa_get_srgb_format_linear(format);
+
+ x0 = fb->_Xmin;
+ x1 = fb->_Xmax;
+ if (rb->Name != 0) {
+ y0 = fb->_Ymin;
+ y1 = fb->_Ymax;
+ } else {
+ y0 = rb->Height - fb->_Ymax;
+ y1 = rb->Height - fb->_Ymin;
+ }
- brw_select_pipeline(brw, BRW_RENDER_PIPELINE);
+ bool can_fast_clear = !partial_clear;
-retry:
- intel_batchbuffer_require_space(brw, estimated_max_batch_usage, RENDER_RING);
- intel_batchbuffer_save_state(brw);
- drm_intel_bo *saved_bo = brw->batch.bo;
- uint32_t saved_used = USED_BATCH(brw->batch);
- uint32_t saved_state_batch_offset = brw->batch.state_batch_offset;
+ bool color_write_disable[4] = { false, false, false, false };
+ if (set_write_disables(irb, ctx->Color.ColorMask[buf], color_write_disable))
+ can_fast_clear = false;
- switch (brw->gen) {
- case 6:
- gen6_blorp_exec(brw, params);
- break;
- case 7:
- gen7_blorp_exec(brw, params);
- break;
- case 8:
- case 9:
- gen8_blorp_exec(brw, params);
- break;
- default:
- /* BLORP is not supported before Gen6. */
- unreachable("not reached");
- }
+ if (irb->mt->fast_clear_state == INTEL_FAST_CLEAR_STATE_NO_MCS ||
+ !brw_is_color_fast_clear_compatible(brw, irb->mt, &ctx->Color.ClearColor))
+ can_fast_clear = false;
- /* Make sure we didn't wrap the batch unintentionally, and make sure we
- * reserved enough space that a wrap will never happen.
- */
- assert(brw->batch.bo == saved_bo);
- assert((USED_BATCH(brw->batch) - saved_used) * 4 +
- (saved_state_batch_offset - brw->batch.state_batch_offset) <
- estimated_max_batch_usage);
- /* Shut up compiler warnings on release build */
- (void)saved_bo;
- (void)saved_used;
- (void)saved_state_batch_offset;
-
- /* Check if the blorp op we just did would make our batch likely to fail to
- * map all the BOs into the GPU at batch exec time later. If so, flush the
- * batch and try again with nothing else in the batch.
- */
- if (dri_bufmgr_check_aperture_space(&brw->batch.bo, 1)) {
- if (!check_aperture_failed_once) {
- check_aperture_failed_once = true;
- intel_batchbuffer_reset_to_saved(brw);
- intel_batchbuffer_flush(brw);
- goto retry;
- } else {
- int ret = intel_batchbuffer_flush(brw);
- WARN_ONCE(ret == -ENOSPC,
- "i965: blorp emit exceeded available aperture space\n");
+ if (can_fast_clear) {
+ /* Record the clear color in the miptree so that it will be
+ * programmed in SURFACE_STATE by later rendering and resolve
+ * operations.
+ */
+ const bool color_updated = brw_meta_set_fast_clear_color(
+ brw, irb->mt, &ctx->Color.ClearColor);
+
+ /* If the buffer is already in INTEL_FAST_CLEAR_STATE_CLEAR, the clear
+ * is redundant and can be skipped.
+ */
+ if (!color_updated &&
+ irb->mt->fast_clear_state == INTEL_FAST_CLEAR_STATE_CLEAR)
+ return true;
+
+ /* If the MCS buffer hasn't been allocated yet, we need to allocate
+ * it now.
+ */
+ if (!irb->mt->mcs_mt) {
+ if (!intel_miptree_alloc_non_msrt_mcs(brw, irb->mt)) {
+ /* MCS allocation failed--probably this will only happen in
+ * out-of-memory conditions. But in any case, try to recover
+ * by falling back to a non-blorp clear technique.
+ */
+ return false;
+ }
}
}
- if (unlikely(brw->always_flush_batch))
- intel_batchbuffer_flush(brw);
+ intel_miptree_check_level_layer(irb->mt, irb->mt_level, layer);
+ intel_miptree_used_for_rendering(irb->mt);
- /* We've smashed all state compared to what the normal 3D pipeline
- * rendering tracks for GL.
- */
- brw->ctx.NewDriverState |= BRW_NEW_BLORP;
- brw->no_depth_or_stencil = false;
- brw->ib.type = -1;
+ /* We can't setup the blorp_surf until we've allocated the MCS above */
+ struct isl_surf isl_tmp[2];
+ struct brw_blorp_surf surf;
+ unsigned level = irb->mt_level;
+ brw_blorp_surf_for_miptree(brw, &surf, irb->mt, true, &level, isl_tmp);
- /* Flush the sampler cache so any texturing from the destination is
- * coherent.
- */
- brw_emit_mi_flush(brw);
+ if (can_fast_clear) {
+ DBG("%s (fast) to mt %p level %d layer %d\n", __FUNCTION__,
+ irb->mt, irb->mt_level, irb->mt_layer);
+
+ blorp_fast_clear(brw, &surf, level, layer, x0, y0, x1, y1);
+
+ /* Now that the fast clear has occurred, put the buffer in
+ * INTEL_FAST_CLEAR_STATE_CLEAR so that we won't waste time doing
+ * redundant clears.
+ */
+ irb->mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_CLEAR;
+ } else {
+ DBG("%s (slow) to mt %p level %d layer %d\n", __FUNCTION__,
+ irb->mt, irb->mt_level, irb->mt_layer);
+
+ union isl_color_value clear_color;
+ memcpy(clear_color.f32, ctx->Color.ClearColor.f, sizeof(float) * 4);
+
+ blorp_clear(brw, &surf, level, layer, x0, y0, x1, y1,
+ (enum isl_format)brw->render_target_format[format],
+ clear_color, color_write_disable);
+
+ if (intel_miptree_is_lossless_compressed(brw, irb->mt)) {
+ /* Compressed buffers can be cleared also using normal rep-clear. In
+ * such case they bahave such as if they were drawn using normal 3D
+ * render pipeline, and we simply mark the mcs as dirty.
+ */
+ assert(partial_clear);
+ irb->mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_UNRESOLVED;
+ }
+ }
+
+ return true;
}
-static void
-blorp_gen6_hiz_op(struct brw_context *brw, struct brw_blorp_surf *surf,
- unsigned level, unsigned layer, enum gen6_hiz_op op)
+bool
+brw_blorp_clear_color(struct brw_context *brw, struct gl_framebuffer *fb,
+ GLbitfield mask, bool partial_clear, bool encode_srgb)
{
- struct brw_blorp_params params;
- brw_blorp_params_init(¶ms);
+ for (unsigned buf = 0; buf < fb->_NumColorDrawBuffers; buf++) {
+ struct gl_renderbuffer *rb = fb->_ColorDrawBuffers[buf];
+ struct intel_renderbuffer *irb = intel_renderbuffer(rb);
- params.hiz_op = op;
+ /* Only clear the buffers present in the provided mask */
+ if (((1 << fb->_ColorDrawBufferIndexes[buf]) & mask) == 0)
+ continue;
- brw_blorp_surface_info_init(brw, ¶ms.depth, surf, level, layer,
- surf->surf->format, true);
+ /* If this is an ES2 context or GL_ARB_ES2_compatibility is supported,
+ * the framebuffer can be complete with some attachments missing. In
+ * this case the _ColorDrawBuffers pointer will be NULL.
+ */
+ if (rb == NULL)
+ continue;
+
+ if (fb->MaxNumLayers > 0) {
+ unsigned layer_multiplier =
+ (irb->mt->msaa_layout == INTEL_MSAA_LAYOUT_UMS ||
+ irb->mt->msaa_layout == INTEL_MSAA_LAYOUT_CMS) ?
+ irb->mt->num_samples : 1;
+ unsigned num_layers = irb->layer_count;
+ for (unsigned layer = 0; layer < num_layers; layer++) {
+ if (!do_single_blorp_clear(
+ brw, fb, rb, buf, partial_clear, encode_srgb,
+ irb->mt_layer + layer * layer_multiplier)) {
+ return false;
+ }
+ }
+ } else {
+ unsigned layer = irb->mt_layer;
+ if (!do_single_blorp_clear(brw, fb, rb, buf, partial_clear,
+ encode_srgb, layer))
+ return false;
+ }
- /* Align the rectangle primitive to 8x4 pixels.
- *
- * During fast depth clears, the emitted rectangle primitive must be
- * aligned to 8x4 pixels. From the Ivybridge PRM, Vol 2 Part 1 Section
- * 11.5.3.1 Depth Buffer Clear (and the matching section in the Sandybridge
- * PRM):
- * If Number of Multisamples is NUMSAMPLES_1, the rectangle must be
- * aligned to an 8x4 pixel block relative to the upper left corner
- * of the depth buffer [...]
- *
- * For hiz resolves, the rectangle must also be 8x4 aligned. Item
- * WaHizAmbiguate8x4Aligned from the Haswell workarounds page and the
- * Ivybridge simulator require the alignment.
- *
- * To be safe, let's just align the rect for all hiz operations and all
- * hardware generations.
- *
- * However, for some miptree slices of a Z24 texture, emitting an 8x4
- * aligned rectangle that covers the slice may clobber adjacent slices if
- * we strictly adhered to the texture alignments specified in the PRM. The
- * Ivybridge PRM, Section "Alignment Unit Size", states that
- * SURFACE_STATE.Surface_Horizontal_Alignment should be 4 for Z24 surfaces,
- * not 8. But commit 1f112cc increased the alignment from 4 to 8, which
- * prevents the clobbering.
- */
- params.x1 = minify(params.depth.surf.logical_level0_px.width,
- params.depth.view.base_level);
- params.y1 = minify(params.depth.surf.logical_level0_px.height,
- params.depth.view.base_level);
- params.x1 = ALIGN(params.x1, 8);
- params.y1 = ALIGN(params.y1, 4);
-
- if (params.depth.view.base_level == 0) {
- /* TODO: What about MSAA? */
- params.depth.surf.logical_level0_px.width = params.x1;
- params.depth.surf.logical_level0_px.height = params.y1;
+ irb->need_downsample = true;
}
- params.dst.surf.samples = params.depth.surf.samples;
- params.dst.surf.logical_level0_px = params.depth.surf.logical_level0_px;
+ return true;
+}
- switch (surf->surf->format) {
- case ISL_FORMAT_R16_UNORM:
- params.depth_format = BRW_DEPTHFORMAT_D16_UNORM;
- break;
- case ISL_FORMAT_R32_FLOAT:
- params.depth_format = BRW_DEPTHFORMAT_D32_FLOAT;
- break;
- case ISL_FORMAT_R24_UNORM_X8_TYPELESS:
- params.depth_format = BRW_DEPTHFORMAT_D24_UNORM_X8_UINT;
- break;
- default:
- unreachable("not reached");
- }
+void
+brw_blorp_resolve_color(struct brw_context *brw, struct intel_mipmap_tree *mt)
+{
+ DBG("%s to mt %p\n", __FUNCTION__, mt);
+
+ const mesa_format format = _mesa_get_srgb_format_linear(mt->format);
+
+ intel_miptree_check_level_layer(mt, 0 /* level */, 0 /* layer */);
+ intel_miptree_used_for_rendering(mt);
- brw_blorp_exec(brw, ¶ms);
+ struct isl_surf isl_tmp[2];
+ struct brw_blorp_surf surf;
+ unsigned level = 0;
+ brw_blorp_surf_for_miptree(brw, &surf, mt, true, &level, isl_tmp);
+
+ brw_blorp_ccs_resolve(brw, &surf, brw_blorp_to_isl_format(brw, format, true));
+
+ mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_RESOLVED;
}
-void
+static void
gen6_blorp_hiz_exec(struct brw_context *brw, struct intel_mipmap_tree *mt,
unsigned int level, unsigned int layer, enum gen6_hiz_op op)
{
blorp_gen6_hiz_op(brw, &surf, level, layer, op);
}
+
+/**
+ * Perform a HiZ or depth resolve operation.
+ *
+ * For an overview of HiZ ops, see the following sections of the Sandy Bridge
+ * PRM, Volume 1, Part 2:
+ * - 7.5.3.1 Depth Buffer Clear
+ * - 7.5.3.2 Depth Buffer Resolve
+ * - 7.5.3.3 Hierarchical Depth Buffer Resolve
+ */
+void
+intel_hiz_exec(struct brw_context *brw, struct intel_mipmap_tree *mt,
+ unsigned int level, unsigned int layer, enum gen6_hiz_op op)
+{
+ const char *opname = NULL;
+
+ switch (op) {
+ case GEN6_HIZ_OP_DEPTH_RESOLVE:
+ opname = "depth resolve";
+ break;
+ case GEN6_HIZ_OP_HIZ_RESOLVE:
+ opname = "hiz ambiguate";
+ break;
+ case GEN6_HIZ_OP_DEPTH_CLEAR:
+ opname = "depth clear";
+ break;
+ case GEN6_HIZ_OP_NONE:
+ opname = "noop?";
+ break;
+ }
+
+ DBG("%s %s to mt %p level %d layer %d\n",
+ __func__, opname, mt, level, layer);
+
+ if (brw->gen >= 8) {
+ gen8_hiz_exec(brw, mt, level, layer, op);
+ } else {
+ gen6_blorp_hiz_exec(brw, mt, level, layer, op);
+ }
+}
#pragma once
-#include <stdint.h>
-
-#include "brw_reg.h"
+#include "blorp.h"
#include "intel_mipmap_tree.h"
-
-struct brw_context;
-struct brw_wm_prog_key;
+#include "program/prog_instruction.h"
#ifdef __cplusplus
extern "C" {
#endif
-struct brw_blorp_surf
-{
- const struct isl_surf *surf;
- drm_intel_bo *bo;
- uint32_t offset;
-
- const struct isl_surf *aux_surf;
- drm_intel_bo *aux_bo;
- uint32_t aux_offset;
- enum isl_aux_usage aux_usage;
-
- union isl_color_value clear_color;
-};
-
-void
-brw_blorp_surf_for_miptree(struct brw_context *brw,
- struct brw_blorp_surf *surf,
- struct intel_mipmap_tree *mt,
- bool is_render_target,
- unsigned *level,
- struct isl_surf tmp_surfs[2]);
-
-enum isl_format
-brw_blorp_to_isl_format(struct brw_context *brw, mesa_format format,
- bool is_render_target);
-
-void
-brw_blorp_blit(struct brw_context *brw,
- const struct brw_blorp_surf *src_surf,
- unsigned src_level, unsigned src_layer,
- enum isl_format src_format, int src_swizzle,
- const struct brw_blorp_surf *dst_surf,
- unsigned dst_level, unsigned dst_layer,
- enum isl_format dst_format,
- float src_x0, float src_y0,
- float src_x1, float src_y1,
- float dst_x0, float dst_y0,
- float dst_x1, float dst_y1,
- GLenum filter, bool mirror_x, bool mirror_y);
-
void
brw_blorp_blit_miptrees(struct brw_context *brw,
struct intel_mipmap_tree *src_mt,
brw_blorp_resolve_color(struct brw_context *brw,
struct intel_mipmap_tree *mt);
-/**
- * Binding table indices used by BLORP.
- */
-enum {
- BRW_BLORP_RENDERBUFFER_BINDING_TABLE_INDEX,
- BRW_BLORP_TEXTURE_BINDING_TABLE_INDEX,
- BRW_BLORP_NUM_BINDING_TABLE_ENTRIES
-};
-
-struct brw_blorp_surface_info
-{
- struct isl_surf surf;
- drm_intel_bo *bo;
- uint32_t offset;
-
- struct isl_surf aux_surf;
- drm_intel_bo *aux_bo;
- uint32_t aux_offset;
- enum isl_aux_usage aux_usage;
-
- union isl_color_value clear_color;
-
- struct isl_view view;
-
- /* Z offset into a 3-D texture or slice of a 2-D array texture. */
- uint32_t z_offset;
-
- uint32_t tile_x_sa, tile_y_sa;
-};
-
-void
-brw_blorp_surface_info_init(struct brw_context *brw,
- struct brw_blorp_surface_info *info,
- const struct brw_blorp_surf *surf,
- unsigned int level, unsigned int layer,
- enum isl_format format, bool is_render_target);
-
-
-struct brw_blorp_coord_transform
-{
- float multiplier;
- float offset;
-};
-
-/**
- * Bounding rectangle telling pixel discard which pixels are not to be
- * touched. This is needed in when surfaces are configured as something else
- * what they really are:
- *
- * - writing W-tiled stencil as Y-tiled
- * - writing interleaved multisampled as single sampled.
- *
- * See blorp_nir_discard_if_outside_rect().
- */
-struct brw_blorp_discard_rect
-{
- uint32_t x0;
- uint32_t x1;
- uint32_t y0;
- uint32_t y1;
-};
-
-/**
- * Grid needed for blended and scaled blits of integer formats, see
- * blorp_nir_manual_blend_bilinear().
- */
-struct brw_blorp_rect_grid
-{
- float x1;
- float y1;
- float pad[2];
-};
-
-struct brw_blorp_wm_inputs
-{
- struct brw_blorp_discard_rect discard_rect;
- struct brw_blorp_rect_grid rect_grid;
- struct brw_blorp_coord_transform coord_transform[2];
-
- /* Minimum layer setting works for all the textures types but texture_3d
- * for which the setting has no effect. Use the z-coordinate instead.
- */
- uint32_t src_z;
-
- /* Pad out to an integral number of registers */
- uint32_t pad[3];
-};
-
-struct brw_blorp_prog_data
-{
- bool dispatch_8;
- bool dispatch_16;
-
- uint8_t first_curbe_grf_0;
- uint8_t first_curbe_grf_2;
-
- uint32_t ksp_offset_2;
-
- /**
- * True if the WM program should be run in MSDISPMODE_PERSAMPLE with more
- * than one sample per pixel.
- */
- bool persample_msaa_dispatch;
-
- /**
- * Mask of which FS inputs are marked flat by the shader source. This is
- * needed for setting up 3DSTATE_SF/SBE.
- */
- uint32_t flat_inputs;
- unsigned num_varying_inputs;
- GLbitfield64 inputs_read;
-};
-
-static inline unsigned
-brw_blorp_get_urb_length(const struct brw_blorp_prog_data *prog_data)
-{
- if (prog_data == NULL)
- return 1;
-
- /* From the BSpec: 3D Pipeline - Strips and Fans - 3DSTATE_SBE
- *
- * read_length = ceiling((max_source_attr+1)/2)
- */
- return MAX2((prog_data->num_varying_inputs + 1) / 2, 1);
-}
-
-struct brw_blorp_params
-{
- uint32_t x0;
- uint32_t y0;
- uint32_t x1;
- uint32_t y1;
- struct brw_blorp_surface_info depth;
- uint32_t depth_format;
- struct brw_blorp_surface_info src;
- struct brw_blorp_surface_info dst;
- enum gen6_hiz_op hiz_op;
- union {
- unsigned fast_clear_op;
- unsigned resolve_type;
- };
- bool color_write_disable[4];
- struct brw_blorp_wm_inputs wm_inputs;
- unsigned num_draw_buffers;
- unsigned num_layers;
- uint32_t wm_prog_kernel;
- struct brw_blorp_prog_data *wm_prog_data;
-};
-
-void
-brw_blorp_params_init(struct brw_blorp_params *params);
-
-void
-brw_blorp_exec(struct brw_context *brw, const struct brw_blorp_params *params);
-
-void
-gen6_blorp_hiz_exec(struct brw_context *brw, struct intel_mipmap_tree *mt,
- unsigned level, unsigned layer, enum gen6_hiz_op op);
-
-void
-gen6_blorp_exec(struct brw_context *brw,
- const struct brw_blorp_params *params);
-
-void
-gen7_blorp_exec(struct brw_context *brw,
- const struct brw_blorp_params *params);
-
-void
-gen8_blorp_exec(struct brw_context *brw, const struct brw_blorp_params *params);
-
-struct brw_blorp_blit_prog_key
-{
- /* Number of samples per pixel that have been configured in the surface
- * state for texturing from.
- */
- unsigned tex_samples;
-
- /* MSAA layout that has been configured in the surface state for texturing
- * from.
- */
- enum isl_msaa_layout tex_layout;
-
- enum isl_aux_usage tex_aux_usage;
-
- /* Actual number of samples per pixel in the source image. */
- unsigned src_samples;
-
- /* Actual MSAA layout used by the source image. */
- enum isl_msaa_layout src_layout;
-
- /* Number of samples per pixel that have been configured in the render
- * target.
- */
- unsigned rt_samples;
-
- /* MSAA layout that has been configured in the render target. */
- enum isl_msaa_layout rt_layout;
-
- /* Actual number of samples per pixel in the destination image. */
- unsigned dst_samples;
-
- /* Actual MSAA layout used by the destination image. */
- enum isl_msaa_layout dst_layout;
-
- /* Type of the data to be read from the texture (one of
- * BRW_REGISTER_TYPE_{UD,D,F}).
- */
- enum brw_reg_type texture_data_type;
-
- /* True if the source image is W tiled. If true, the surface state for the
- * source image must be configured as Y tiled, and tex_samples must be 0.
- */
- bool src_tiled_w;
-
- /* True if the destination image is W tiled. If true, the surface state
- * for the render target must be configured as Y tiled, and rt_samples must
- * be 0.
- */
- bool dst_tiled_w;
-
- /* True if all source samples should be blended together to produce each
- * destination pixel. If true, src_tiled_w must be false, tex_samples must
- * equal src_samples, and tex_samples must be nonzero.
- */
- bool blend;
-
- /* True if the rectangle being sent through the rendering pipeline might be
- * larger than the destination rectangle, so the WM program should kill any
- * pixels that are outside the destination rectangle.
- */
- bool use_kill;
-
- /**
- * True if the WM program should be run in MSDISPMODE_PERSAMPLE with more
- * than one sample per pixel.
- */
- bool persample_msaa_dispatch;
-
- /* True for scaled blitting. */
- bool blit_scaled;
-
- /* Scale factors between the pixel grid and the grid of samples. We're
- * using grid of samples for bilinear filetring in multisample scaled blits.
- */
- float x_scale;
- float y_scale;
-
- /* True for blits with filter = GL_LINEAR. */
- bool bilinear_filter;
-};
-
-/**
- * \name BLORP internals
- * \{
- *
- * Used internally by gen6_blorp_exec() and gen7_blorp_exec().
- */
-
-void brw_blorp_init_wm_prog_key(struct brw_wm_prog_key *wm_key);
-
-const unsigned *
-brw_blorp_compile_nir_shader(struct brw_context *brw, struct nir_shader *nir,
- const struct brw_wm_prog_key *wm_key,
- bool use_repclear,
- struct brw_blorp_prog_data *prog_data,
- unsigned *program_size);
-
-uint32_t
-brw_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);
-
-void
-gen6_blorp_init(struct brw_context *brw);
-
-void
-gen6_blorp_emit_vertices(struct brw_context *brw,
- const struct brw_blorp_params *params);
-
-uint32_t
-gen6_blorp_emit_blend_state(struct brw_context *brw,
- const struct brw_blorp_params *params);
-
-uint32_t
-gen6_blorp_emit_cc_state(struct brw_context *brw);
-
-uint32_t
-gen6_blorp_emit_wm_constants(struct brw_context *brw,
- const struct brw_blorp_params *params);
-
-void
-gen6_blorp_emit_vs_disable(struct brw_context *brw,
- const struct brw_blorp_params *params);
-
-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
-gen6_blorp_emit_depth_stencil_state(struct brw_context *brw,
- const struct brw_blorp_params *params);
-
void
-gen6_blorp_emit_gs_disable(struct brw_context *brw,
- const struct brw_blorp_params *params);
-
-void
-gen6_blorp_emit_clip_disable(struct brw_context *brw);
-
-void
-gen6_blorp_emit_drawing_rectangle(struct brw_context *brw,
- const struct brw_blorp_params *params);
-
-uint32_t
-gen6_blorp_emit_sampler_state(struct brw_context *brw,
- unsigned tex_filter, unsigned max_lod,
- bool non_normalized_coords);
-void
-gen7_blorp_emit_urb_config(struct brw_context *brw,
- const struct brw_blorp_params *params);
-
-void
-gen7_blorp_emit_blend_state_pointer(struct brw_context *brw,
- uint32_t cc_blend_state_offset);
-
-void
-gen7_blorp_emit_cc_state_pointer(struct brw_context *brw,
- uint32_t cc_state_offset);
-
-void
-gen7_blorp_emit_cc_viewport(struct brw_context *brw);
-
-void
-gen7_blorp_emit_te_disable(struct brw_context *brw);
-
-void
-gen7_blorp_emit_binding_table_pointers_ps(struct brw_context *brw,
- uint32_t wm_bind_bo_offset);
-
-void
-gen7_blorp_emit_sampler_state_pointers_ps(struct brw_context *brw,
- uint32_t sampler_offset);
-
-void
-gen7_blorp_emit_clear_params(struct brw_context *brw,
- const struct brw_blorp_params *params);
-
-void
-gen7_blorp_emit_constant_ps(struct brw_context *brw,
- uint32_t wm_push_const_offset);
-
-void
-gen7_blorp_emit_constant_ps_disable(struct brw_context *brw);
-
-void
-gen7_blorp_emit_primitive(struct brw_context *brw,
- const struct brw_blorp_params *params);
-
-/** \} */
+intel_hiz_exec(struct brw_context *brw, struct intel_mipmap_tree *mt,
+ unsigned int level, unsigned int layer, enum gen6_hiz_op op);
#ifdef __cplusplus
-} /* end extern "C" */
-#endif /* __cplusplus */
+} /* extern "C" */
+#endif
#include "intel_fbo.h"
-#include "brw_blorp.h"
+#include "blorp_priv.h"
#include "brw_context.h"
#include "brw_state.h"
#include "brw_meta_util.h"
#define FILE_DEBUG_FLAG DEBUG_BLORP
-static struct intel_mipmap_tree *
-find_miptree(GLbitfield buffer_bit, struct intel_renderbuffer *irb)
-{
- struct intel_mipmap_tree *mt = irb->mt;
- if (buffer_bit == GL_STENCIL_BUFFER_BIT && mt->stencil_mt)
- mt = mt->stencil_mt;
- return mt;
-}
-
-static int
-blorp_get_texture_swizzle(const struct intel_renderbuffer *irb)
-{
- return irb->Base.Base._BaseFormat == GL_RGB ?
- MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ONE) :
- SWIZZLE_XYZW;
-}
-
-static void
-do_blorp_blit(struct brw_context *brw, GLbitfield buffer_bit,
- struct intel_renderbuffer *src_irb, mesa_format src_format,
- struct intel_renderbuffer *dst_irb, mesa_format dst_format,
- GLfloat srcX0, GLfloat srcY0, GLfloat srcX1, GLfloat srcY1,
- GLfloat dstX0, GLfloat dstY0, GLfloat dstX1, GLfloat dstY1,
- GLenum filter, bool mirror_x, bool mirror_y)
-{
- const struct gl_context *ctx = &brw->ctx;
-
- /* Find source/dst miptrees */
- struct intel_mipmap_tree *src_mt = find_miptree(buffer_bit, src_irb);
- struct intel_mipmap_tree *dst_mt = find_miptree(buffer_bit, dst_irb);
-
- const bool do_srgb = ctx->Color.sRGBEnabled;
-
- /* Do the blit */
- brw_blorp_blit_miptrees(brw,
- src_mt, src_irb->mt_level, src_irb->mt_layer,
- src_format, blorp_get_texture_swizzle(src_irb),
- dst_mt, dst_irb->mt_level, dst_irb->mt_layer,
- dst_format,
- srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1,
- filter, mirror_x, mirror_y,
- do_srgb, do_srgb);
-
- dst_irb->need_downsample = true;
-}
-
-static bool
-try_blorp_blit(struct brw_context *brw,
- const struct gl_framebuffer *read_fb,
- const struct gl_framebuffer *draw_fb,
- GLfloat srcX0, GLfloat srcY0, GLfloat srcX1, GLfloat srcY1,
- GLfloat dstX0, GLfloat dstY0, GLfloat dstX1, GLfloat dstY1,
- GLenum filter, GLbitfield buffer_bit)
-{
- struct gl_context *ctx = &brw->ctx;
-
- /* Sync up the state of window system buffers. We need to do this before
- * we go looking for the buffers.
- */
- intel_prepare_render(brw);
-
- bool mirror_x, mirror_y;
- if (brw_meta_mirror_clip_and_scissor(ctx, read_fb, draw_fb,
- &srcX0, &srcY0, &srcX1, &srcY1,
- &dstX0, &dstY0, &dstX1, &dstY1,
- &mirror_x, &mirror_y))
- return true;
-
- /* Find buffers */
- struct intel_renderbuffer *src_irb;
- struct intel_renderbuffer *dst_irb;
- struct intel_mipmap_tree *src_mt;
- struct intel_mipmap_tree *dst_mt;
- switch (buffer_bit) {
- case GL_COLOR_BUFFER_BIT:
- src_irb = intel_renderbuffer(read_fb->_ColorReadBuffer);
- for (unsigned i = 0; i < draw_fb->_NumColorDrawBuffers; ++i) {
- dst_irb = intel_renderbuffer(draw_fb->_ColorDrawBuffers[i]);
- if (dst_irb)
- do_blorp_blit(brw, buffer_bit,
- src_irb, src_irb->Base.Base.Format,
- dst_irb, dst_irb->Base.Base.Format,
- srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1,
- filter, mirror_x, mirror_y);
- }
- break;
- case GL_DEPTH_BUFFER_BIT:
- src_irb =
- intel_renderbuffer(read_fb->Attachment[BUFFER_DEPTH].Renderbuffer);
- dst_irb =
- intel_renderbuffer(draw_fb->Attachment[BUFFER_DEPTH].Renderbuffer);
- src_mt = find_miptree(buffer_bit, src_irb);
- dst_mt = find_miptree(buffer_bit, dst_irb);
-
- /* We can't handle format conversions between Z24 and other formats
- * since we have to lie about the surface format. See the comments in
- * brw_blorp_surface_info::set().
- */
- if ((src_mt->format == MESA_FORMAT_Z24_UNORM_X8_UINT) !=
- (dst_mt->format == MESA_FORMAT_Z24_UNORM_X8_UINT))
- return false;
-
- do_blorp_blit(brw, buffer_bit, src_irb, MESA_FORMAT_NONE,
- dst_irb, MESA_FORMAT_NONE, srcX0, srcY0,
- srcX1, srcY1, dstX0, dstY0, dstX1, dstY1,
- filter, mirror_x, mirror_y);
- break;
- case GL_STENCIL_BUFFER_BIT:
- src_irb =
- intel_renderbuffer(read_fb->Attachment[BUFFER_STENCIL].Renderbuffer);
- dst_irb =
- intel_renderbuffer(draw_fb->Attachment[BUFFER_STENCIL].Renderbuffer);
- do_blorp_blit(brw, buffer_bit, src_irb, MESA_FORMAT_NONE,
- dst_irb, MESA_FORMAT_NONE, srcX0, srcY0,
- srcX1, srcY1, dstX0, dstY0, dstX1, dstY1,
- filter, mirror_x, mirror_y);
- break;
- default:
- unreachable("not reached");
- }
-
- return true;
-}
-
-bool
-brw_blorp_copytexsubimage(struct brw_context *brw,
- struct gl_renderbuffer *src_rb,
- struct gl_texture_image *dst_image,
- int slice,
- int srcX0, int srcY0,
- int dstX0, int dstY0,
- int width, int height)
-{
- struct gl_context *ctx = &brw->ctx;
- struct intel_renderbuffer *src_irb = intel_renderbuffer(src_rb);
- struct intel_texture_image *intel_image = intel_texture_image(dst_image);
-
- /* No pixel transfer operations (zoom, bias, mapping), just a blit */
- if (brw->ctx._ImageTransferState)
- return false;
-
- /* Sync up the state of window system buffers. We need to do this before
- * we go looking at the src renderbuffer's miptree.
- */
- intel_prepare_render(brw);
-
- struct intel_mipmap_tree *src_mt = src_irb->mt;
- struct intel_mipmap_tree *dst_mt = intel_image->mt;
-
- /* There is support for only up to eight samples. */
- if (src_mt->num_samples > 8 || dst_mt->num_samples > 8)
- return false;
-
- /* BLORP is only supported from Gen6 onwards. */
- if (brw->gen < 6)
- return false;
-
- if (_mesa_get_format_base_format(src_rb->Format) !=
- _mesa_get_format_base_format(dst_image->TexFormat)) {
- return false;
- }
-
- /* We can't handle format conversions between Z24 and other formats since
- * we have to lie about the surface format. See the comments in
- * brw_blorp_surface_info::set().
- */
- if ((src_mt->format == MESA_FORMAT_Z24_UNORM_X8_UINT) !=
- (dst_mt->format == MESA_FORMAT_Z24_UNORM_X8_UINT)) {
- return false;
- }
-
- if (!brw->format_supported_as_render_target[dst_image->TexFormat])
- return false;
-
- /* Source clipping shouldn't be necessary, since copytexsubimage (in
- * src/mesa/main/teximage.c) calls _mesa_clip_copytexsubimage() which
- * takes care of it.
- *
- * Destination clipping shouldn't be necessary since the restrictions on
- * glCopyTexSubImage prevent the user from specifying a destination rectangle
- * that falls outside the bounds of the destination texture.
- * See error_check_subtexture_dimensions().
- */
-
- int srcY1 = srcY0 + height;
- int srcX1 = srcX0 + width;
- int dstX1 = dstX0 + width;
- int dstY1 = dstY0 + height;
-
- /* Account for the fact that in the system framebuffer, the origin is at
- * the lower left.
- */
- bool mirror_y = false;
- if (_mesa_is_winsys_fbo(ctx->ReadBuffer)) {
- GLint tmp = src_rb->Height - srcY0;
- srcY0 = src_rb->Height - srcY1;
- srcY1 = tmp;
- mirror_y = true;
- }
-
- /* Account for face selection and texture view MinLayer */
- int dst_slice = slice + dst_image->TexObject->MinLayer + dst_image->Face;
- int dst_level = dst_image->Level + dst_image->TexObject->MinLevel;
-
- brw_blorp_blit_miptrees(brw,
- src_mt, src_irb->mt_level, src_irb->mt_layer,
- src_rb->Format, blorp_get_texture_swizzle(src_irb),
- dst_mt, dst_level, dst_slice,
- dst_image->TexFormat,
- srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1,
- GL_NEAREST, false, mirror_y,
- false, false);
-
- /* If we're copying to a packed depth stencil texture and the source
- * framebuffer has separate stencil, we need to also copy the stencil data
- * over.
- */
- src_rb = ctx->ReadBuffer->Attachment[BUFFER_STENCIL].Renderbuffer;
- if (_mesa_get_format_bits(dst_image->TexFormat, GL_STENCIL_BITS) > 0 &&
- src_rb != NULL) {
- src_irb = intel_renderbuffer(src_rb);
- src_mt = src_irb->mt;
-
- if (src_mt->stencil_mt)
- src_mt = src_mt->stencil_mt;
- if (dst_mt->stencil_mt)
- dst_mt = dst_mt->stencil_mt;
-
- if (src_mt != dst_mt) {
- brw_blorp_blit_miptrees(brw,
- src_mt, src_irb->mt_level, src_irb->mt_layer,
- src_mt->format,
- blorp_get_texture_swizzle(src_irb),
- dst_mt, dst_level, dst_slice,
- dst_mt->format,
- srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1,
- GL_NEAREST, false, mirror_y,
- false, false);
- }
- }
-
- return true;
-}
-
-
-GLbitfield
-brw_blorp_framebuffer(struct brw_context *brw,
- struct gl_framebuffer *readFb,
- struct gl_framebuffer *drawFb,
- GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
- GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
- GLbitfield mask, GLenum filter)
-{
- /* BLORP is not supported before Gen6. */
- if (brw->gen < 6)
- return mask;
-
- static GLbitfield buffer_bits[] = {
- GL_COLOR_BUFFER_BIT,
- GL_DEPTH_BUFFER_BIT,
- GL_STENCIL_BUFFER_BIT,
- };
-
- for (unsigned int i = 0; i < ARRAY_SIZE(buffer_bits); ++i) {
- if ((mask & buffer_bits[i]) &&
- try_blorp_blit(brw, readFb, drawFb,
- srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1,
- filter, buffer_bits[i])) {
- mask &= ~buffer_bits[i];
- }
- }
-
- return mask;
-}
-
-
/**
* Enum to specify the order of arguments in a sampler message
*/
info->tile_y_sa /= 2;
}
-/**
- * Note: if the src (or dst) is a 2D multisample array texture on Gen7+ using
- * INTEL_MSAA_LAYOUT_UMS or INTEL_MSAA_LAYOUT_CMS, src_layer (dst_layer) is
- * the physical layer holding sample 0. So, for example, if
- * src_mt->num_samples == 4, then logical layer n corresponds to src_layer ==
- * 4*n.
- */
-void
-brw_blorp_blit_miptrees(struct brw_context *brw,
- struct intel_mipmap_tree *src_mt,
- unsigned src_level, unsigned src_layer,
- mesa_format src_format, int src_swizzle,
- struct intel_mipmap_tree *dst_mt,
- unsigned dst_level, unsigned dst_layer,
- mesa_format dst_format,
- float src_x0, float src_y0,
- float src_x1, float src_y1,
- float dst_x0, float dst_y0,
- float dst_x1, float dst_y1,
- GLenum filter, bool mirror_x, bool mirror_y,
- bool decode_srgb, bool encode_srgb)
-{
- /* Get ready to blit. This includes depth resolving the src and dst
- * buffers if necessary. Note: it's not necessary to do a color resolve on
- * the destination buffer because we use the standard render path to render
- * to destination color buffers, and the standard render path is
- * fast-color-aware.
- */
- intel_miptree_resolve_color(brw, src_mt, INTEL_MIPTREE_IGNORE_CCS_E);
- intel_miptree_slice_resolve_depth(brw, src_mt, src_level, src_layer);
- intel_miptree_slice_resolve_depth(brw, dst_mt, dst_level, dst_layer);
-
- intel_miptree_prepare_mcs(brw, dst_mt);
-
- DBG("%s from %dx %s mt %p %d %d (%f,%f) (%f,%f)"
- "to %dx %s mt %p %d %d (%f,%f) (%f,%f) (flip %d,%d)\n",
- __func__,
- src_mt->num_samples, _mesa_get_format_name(src_mt->format), src_mt,
- src_level, src_layer, src_x0, src_y0, src_x1, src_y1,
- dst_mt->num_samples, _mesa_get_format_name(dst_mt->format), dst_mt,
- dst_level, dst_layer, dst_x0, dst_y0, dst_x1, dst_y1,
- mirror_x, mirror_y);
-
- if (!decode_srgb && _mesa_get_format_color_encoding(src_format) == GL_SRGB)
- src_format = _mesa_get_srgb_format_linear(src_format);
-
- if (!encode_srgb && _mesa_get_format_color_encoding(dst_format) == GL_SRGB)
- dst_format = _mesa_get_srgb_format_linear(dst_format);
-
- /* When doing a multisample resolve of a GL_LUMINANCE32F or GL_INTENSITY32F
- * texture, the above code configures the source format for L32_FLOAT or
- * I32_FLOAT, and the destination format for R32_FLOAT. On Sandy Bridge,
- * the SAMPLE message appears to handle multisampled L32_FLOAT and
- * I32_FLOAT textures incorrectly, resulting in blocky artifacts. So work
- * around the problem by using a source format of R32_FLOAT. This
- * shouldn't affect rendering correctness, since the destination format is
- * R32_FLOAT, so only the contents of the red channel matters.
- */
- if (brw->gen == 6 &&
- src_mt->num_samples > 1 && dst_mt->num_samples <= 1 &&
- src_mt->format == dst_mt->format &&
- (dst_format == MESA_FORMAT_L_FLOAT32 ||
- dst_format == MESA_FORMAT_I_FLOAT32)) {
- src_format = dst_format = MESA_FORMAT_R_FLOAT32;
- }
-
- intel_miptree_check_level_layer(src_mt, src_level, src_layer);
- intel_miptree_check_level_layer(dst_mt, dst_level, dst_layer);
- intel_miptree_used_for_rendering(dst_mt);
-
- struct isl_surf tmp_surfs[4];
- struct brw_blorp_surf src_surf, dst_surf;
- brw_blorp_surf_for_miptree(brw, &src_surf, src_mt, false,
- &src_level, &tmp_surfs[0]);
- brw_blorp_surf_for_miptree(brw, &dst_surf, dst_mt, true,
- &dst_level, &tmp_surfs[2]);
-
- brw_blorp_blit(brw, &src_surf, src_level, src_layer,
- brw_blorp_to_isl_format(brw, src_format, false), src_swizzle,
- &dst_surf, dst_level, dst_layer,
- brw_blorp_to_isl_format(brw, dst_format, true),
- src_x0, src_y0, src_x1, src_y1,
- dst_x0, dst_y0, dst_x1, dst_y1,
- filter, mirror_x, mirror_y);
-
- intel_miptree_slice_set_needs_hiz_resolve(dst_mt, dst_level, dst_layer);
-
- if (intel_miptree_is_lossless_compressed(brw, dst_mt))
- dst_mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_UNRESOLVED;
-}
-
void
brw_blorp_blit(struct brw_context *brw,
const struct brw_blorp_surf *src_surf,
#include "intel_fbo.h"
-#include "brw_blorp.h"
+#include "blorp_priv.h"
#include "brw_meta_util.h"
#include "brw_context.h"
#include "brw_eu.h"
ralloc_free(mem_ctx);
}
-static bool
-set_write_disables(const struct intel_renderbuffer *irb,
- const GLubyte *color_mask, bool *color_write_disable)
-{
- /* Format information in the renderbuffer represents the requirements
- * given by the client. There are cases where the backing miptree uses,
- * for example, RGBA to represent RGBX. Since the client is only expecting
- * RGB we can treat alpha as not used and write whatever we like into it.
- */
- const GLenum base_format = irb->Base.Base._BaseFormat;
- const int components = _mesa_base_format_component_count(base_format);
- bool disables = false;
-
- assert(components > 0);
-
- for (int i = 0; i < components; i++) {
- color_write_disable[i] = !color_mask[i];
- disables = disables || !color_mask[i];
- }
-
- return disables;
-}
-
-
-static void
+void
blorp_fast_clear(struct brw_context *brw, const struct brw_blorp_surf *surf,
uint32_t level, uint32_t layer,
uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1)
}
-static void
+void
blorp_clear(struct brw_context *brw, const struct brw_blorp_surf *surf,
uint32_t level, uint32_t layer,
uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1,
brw_blorp_exec(brw, ¶ms);
}
-static bool
-do_single_blorp_clear(struct brw_context *brw, struct gl_framebuffer *fb,
- struct gl_renderbuffer *rb, unsigned buf,
- bool partial_clear, bool encode_srgb, unsigned layer)
-{
- struct gl_context *ctx = &brw->ctx;
- struct intel_renderbuffer *irb = intel_renderbuffer(rb);
- mesa_format format = irb->mt->format;
- uint32_t x0, x1, y0, y1;
-
- if (!encode_srgb && _mesa_get_format_color_encoding(format) == GL_SRGB)
- format = _mesa_get_srgb_format_linear(format);
-
- x0 = fb->_Xmin;
- x1 = fb->_Xmax;
- if (rb->Name != 0) {
- y0 = fb->_Ymin;
- y1 = fb->_Ymax;
- } else {
- y0 = rb->Height - fb->_Ymax;
- y1 = rb->Height - fb->_Ymin;
- }
-
- bool can_fast_clear = !partial_clear;
-
- bool color_write_disable[4] = { false, false, false, false };
- if (set_write_disables(irb, ctx->Color.ColorMask[buf], color_write_disable))
- can_fast_clear = false;
-
- if (irb->mt->fast_clear_state == INTEL_FAST_CLEAR_STATE_NO_MCS ||
- !brw_is_color_fast_clear_compatible(brw, irb->mt, &ctx->Color.ClearColor))
- can_fast_clear = false;
-
- if (can_fast_clear) {
- /* Record the clear color in the miptree so that it will be
- * programmed in SURFACE_STATE by later rendering and resolve
- * operations.
- */
- const bool color_updated = brw_meta_set_fast_clear_color(
- brw, irb->mt, &ctx->Color.ClearColor);
-
- /* If the buffer is already in INTEL_FAST_CLEAR_STATE_CLEAR, the clear
- * is redundant and can be skipped.
- */
- if (!color_updated &&
- irb->mt->fast_clear_state == INTEL_FAST_CLEAR_STATE_CLEAR)
- return true;
-
- /* If the MCS buffer hasn't been allocated yet, we need to allocate
- * it now.
- */
- if (!irb->mt->mcs_mt) {
- if (!intel_miptree_alloc_non_msrt_mcs(brw, irb->mt)) {
- /* MCS allocation failed--probably this will only happen in
- * out-of-memory conditions. But in any case, try to recover
- * by falling back to a non-blorp clear technique.
- */
- return false;
- }
- }
- }
-
- intel_miptree_check_level_layer(irb->mt, irb->mt_level, layer);
- intel_miptree_used_for_rendering(irb->mt);
-
- /* We can't setup the blorp_surf until we've allocated the MCS above */
- struct isl_surf isl_tmp[2];
- struct brw_blorp_surf surf;
- unsigned level = irb->mt_level;
- brw_blorp_surf_for_miptree(brw, &surf, irb->mt, true, &level, isl_tmp);
-
- if (can_fast_clear) {
- DBG("%s (fast) to mt %p level %d layer %d\n", __FUNCTION__,
- irb->mt, irb->mt_level, irb->mt_layer);
-
- blorp_fast_clear(brw, &surf, level, layer, x0, y0, x1, y1);
-
- /* Now that the fast clear has occurred, put the buffer in
- * INTEL_FAST_CLEAR_STATE_CLEAR so that we won't waste time doing
- * redundant clears.
- */
- irb->mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_CLEAR;
- } else {
- DBG("%s (slow) to mt %p level %d layer %d\n", __FUNCTION__,
- irb->mt, irb->mt_level, irb->mt_layer);
-
- union isl_color_value clear_color;
- memcpy(clear_color.f32, ctx->Color.ClearColor.f, sizeof(float) * 4);
-
- blorp_clear(brw, &surf, level, layer, x0, y0, x1, y1,
- (enum isl_format)brw->render_target_format[format],
- clear_color, color_write_disable);
-
- if (intel_miptree_is_lossless_compressed(brw, irb->mt)) {
- /* Compressed buffers can be cleared also using normal rep-clear. In
- * such case they bahave such as if they were drawn using normal 3D
- * render pipeline, and we simply mark the mcs as dirty.
- */
- assert(partial_clear);
- irb->mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_UNRESOLVED;
- }
- }
-
- return true;
-}
-
-
extern "C" {
-bool
-brw_blorp_clear_color(struct brw_context *brw, struct gl_framebuffer *fb,
- GLbitfield mask, bool partial_clear, bool encode_srgb)
-{
- for (unsigned buf = 0; buf < fb->_NumColorDrawBuffers; buf++) {
- struct gl_renderbuffer *rb = fb->_ColorDrawBuffers[buf];
- struct intel_renderbuffer *irb = intel_renderbuffer(rb);
-
- /* Only clear the buffers present in the provided mask */
- if (((1 << fb->_ColorDrawBufferIndexes[buf]) & mask) == 0)
- continue;
-
- /* If this is an ES2 context or GL_ARB_ES2_compatibility is supported,
- * the framebuffer can be complete with some attachments missing. In
- * this case the _ColorDrawBuffers pointer will be NULL.
- */
- if (rb == NULL)
- continue;
-
- if (fb->MaxNumLayers > 0) {
- unsigned layer_multiplier =
- (irb->mt->msaa_layout == INTEL_MSAA_LAYOUT_UMS ||
- irb->mt->msaa_layout == INTEL_MSAA_LAYOUT_CMS) ?
- irb->mt->num_samples : 1;
- unsigned num_layers = irb->layer_count;
- for (unsigned layer = 0; layer < num_layers; layer++) {
- if (!do_single_blorp_clear(
- brw, fb, rb, buf, partial_clear, encode_srgb,
- irb->mt_layer + layer * layer_multiplier)) {
- return false;
- }
- }
- } else {
- unsigned layer = irb->mt_layer;
- if (!do_single_blorp_clear(brw, fb, rb, buf, partial_clear,
- encode_srgb, layer))
- return false;
- }
-
- irb->need_downsample = true;
- }
-
- return true;
-}
-static void
+void
brw_blorp_ccs_resolve(struct brw_context *brw, struct brw_blorp_surf *surf,
enum isl_format format)
{
brw_blorp_exec(brw, ¶ms);
}
-void
-brw_blorp_resolve_color(struct brw_context *brw, struct intel_mipmap_tree *mt)
-{
- DBG("%s to mt %p\n", __FUNCTION__, mt);
-
- const mesa_format format = _mesa_get_srgb_format_linear(mt->format);
-
- intel_miptree_check_level_layer(mt, 0 /* level */, 0 /* layer */);
- intel_miptree_used_for_rendering(mt);
-
- struct isl_surf isl_tmp[2];
- struct brw_blorp_surf surf;
- unsigned level = 0;
- brw_blorp_surf_for_miptree(brw, &surf, mt, true, &level, isl_tmp);
-
- brw_blorp_ccs_resolve(brw, &surf, brw_blorp_to_isl_format(brw, format, true));
-
- mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_RESOLVED;
-}
-
} /* extern "C" */
#include "brw_context.h"
#include "brw_state.h"
-#include "brw_blorp.h"
+#include "blorp_priv.h"
#include "vbo/vbo.h"
#include "brw_draw.h"
#include "brw_context.h"
#include "brw_state.h"
-#include "brw_blorp.h"
+#include "blorp_priv.h"
/* Once vertex fetcher has written full VUE entries with complete
* header the space requirement is as follows per vertex (in bytes):
#include "brw_defines.h"
#include "brw_state.h"
-#include "brw_blorp.h"
+#include "blorp_priv.h"
static uint32_t
gen8_blorp_emit_blend_state(struct brw_context *brw,
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