#include "program/prog_parameter.h"
#include "program/program.h"
#include "intel_mipmap_tree.h"
+#include "intel_image.h"
+#include "compiler/brw_nir.h"
+#include "brw_program.h"
#include "util/ralloc.h"
-/**
- * Return a bitfield where bit n is set if barycentric interpolation mode n
- * (see enum brw_wm_barycentric_interp_mode) is needed by the fragment shader.
- */
-unsigned
-brw_compute_barycentric_interp_modes(struct brw_context *brw,
- bool shade_model_flat,
- bool persample_shading,
- const struct gl_fragment_program *fprog)
+static void
+assign_fs_binding_table_offsets(const struct gen_device_info *devinfo,
+ const struct gl_program *prog,
+ const struct brw_wm_prog_key *key,
+ struct brw_wm_prog_data *prog_data)
{
- unsigned barycentric_interp_modes = 0;
- int attr;
+ uint32_t next_binding_table_offset = 0;
- /* Loop through all fragment shader inputs to figure out what interpolation
- * modes are in use, and set the appropriate bits in
- * barycentric_interp_modes.
+ /* If there are no color regions, we still perform an FB write to a null
+ * renderbuffer, which we place at surface index 0.
*/
- for (attr = 0; attr < VARYING_SLOT_MAX; ++attr) {
- enum glsl_interp_qualifier interp_qualifier =
- fprog->InterpQualifier[attr];
- bool is_centroid = (fprog->IsCentroid & BITFIELD64_BIT(attr)) &&
- !persample_shading;
- bool is_sample = (fprog->IsSample & BITFIELD64_BIT(attr)) ||
- persample_shading;
- bool is_gl_Color = attr == VARYING_SLOT_COL0 || attr == VARYING_SLOT_COL1;
-
- /* Ignore unused inputs. */
- if (!(fprog->Base.InputsRead & BITFIELD64_BIT(attr)))
- continue;
-
- /* Ignore WPOS and FACE, because they don't require interpolation. */
- if (attr == VARYING_SLOT_POS || attr == VARYING_SLOT_FACE)
- continue;
-
- /* Determine the set (or sets) of barycentric coordinates needed to
- * interpolate this variable. Note that when
- * brw->needs_unlit_centroid_workaround is set, centroid interpolation
- * uses PIXEL interpolation for unlit pixels and CENTROID interpolation
- * for lit pixels, so we need both sets of barycentric coordinates.
- */
- if (interp_qualifier == INTERP_QUALIFIER_NOPERSPECTIVE) {
- if (is_centroid) {
- barycentric_interp_modes |=
- 1 << BRW_WM_NONPERSPECTIVE_CENTROID_BARYCENTRIC;
- } else if (is_sample) {
- barycentric_interp_modes |=
- 1 << BRW_WM_NONPERSPECTIVE_SAMPLE_BARYCENTRIC;
- }
- if ((!is_centroid && !is_sample) ||
- brw->needs_unlit_centroid_workaround) {
- barycentric_interp_modes |=
- 1 << BRW_WM_NONPERSPECTIVE_PIXEL_BARYCENTRIC;
- }
- } else if (interp_qualifier == INTERP_QUALIFIER_SMOOTH ||
- (!(shade_model_flat && is_gl_Color) &&
- interp_qualifier == INTERP_QUALIFIER_NONE)) {
- if (is_centroid) {
- barycentric_interp_modes |=
- 1 << BRW_WM_PERSPECTIVE_CENTROID_BARYCENTRIC;
- } else if (is_sample) {
- barycentric_interp_modes |=
- 1 << BRW_WM_PERSPECTIVE_SAMPLE_BARYCENTRIC;
- }
- if ((!is_centroid && !is_sample) ||
- brw->needs_unlit_centroid_workaround) {
- barycentric_interp_modes |=
- 1 << BRW_WM_PERSPECTIVE_PIXEL_BARYCENTRIC;
- }
- }
- }
+ prog_data->binding_table.render_target_start = next_binding_table_offset;
+ next_binding_table_offset += MAX2(key->nr_color_regions, 1);
- return barycentric_interp_modes;
-}
+ next_binding_table_offset =
+ brw_assign_common_binding_table_offsets(devinfo, prog, &prog_data->base,
+ next_binding_table_offset);
-static uint8_t
-computed_depth_mode(struct gl_fragment_program *fp)
-{
- if (fp->Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH)) {
- switch (fp->FragDepthLayout) {
- case FRAG_DEPTH_LAYOUT_NONE:
- case FRAG_DEPTH_LAYOUT_ANY:
- return BRW_PSCDEPTH_ON;
- case FRAG_DEPTH_LAYOUT_GREATER:
- return BRW_PSCDEPTH_ON_GE;
- case FRAG_DEPTH_LAYOUT_LESS:
- return BRW_PSCDEPTH_ON_LE;
- case FRAG_DEPTH_LAYOUT_UNCHANGED:
- return BRW_PSCDEPTH_OFF;
- }
+ if (prog->nir->info.outputs_read && !key->coherent_fb_fetch) {
+ prog_data->binding_table.render_target_read_start =
+ next_binding_table_offset;
+ next_binding_table_offset += key->nr_color_regions;
}
- return BRW_PSCDEPTH_OFF;
}
-bool
-brw_wm_prog_data_compare(const void *in_a, const void *in_b)
+static void
+brw_wm_debug_recompile(struct brw_context *brw, struct gl_program *prog,
+ const struct brw_wm_prog_key *key)
{
- const struct brw_wm_prog_data *a = in_a;
- const struct brw_wm_prog_data *b = in_b;
+ perf_debug("Recompiling fragment shader for program %d\n", prog->Id);
- /* Compare the base structure. */
- if (!brw_stage_prog_data_compare(&a->base, &b->base))
- return false;
+ bool found = false;
+ const struct brw_wm_prog_key *old_key =
+ brw_find_previous_compile(&brw->cache, BRW_CACHE_FS_PROG,
+ key->program_string_id);
- /* Compare the rest of the structure. */
- const unsigned offset = sizeof(struct brw_stage_prog_data);
- if (memcmp(((char *) a) + offset, ((char *) b) + offset,
- sizeof(struct brw_wm_prog_data) - offset))
- return false;
+ if (!old_key) {
+ perf_debug(" Didn't find previous compile in the shader cache for debug\n");
+ return;
+ }
- return true;
+ found |= key_debug(brw, "alphatest, computed depth, depth test, or "
+ "depth write",
+ old_key->iz_lookup, key->iz_lookup);
+ found |= key_debug(brw, "depth statistics",
+ old_key->stats_wm, key->stats_wm);
+ found |= key_debug(brw, "flat shading",
+ old_key->flat_shade, key->flat_shade);
+ found |= key_debug(brw, "number of color buffers",
+ old_key->nr_color_regions, key->nr_color_regions);
+ found |= key_debug(brw, "MRT alpha test or alpha-to-coverage",
+ old_key->replicate_alpha, key->replicate_alpha);
+ found |= key_debug(brw, "fragment color clamping",
+ old_key->clamp_fragment_color, key->clamp_fragment_color);
+ found |= key_debug(brw, "per-sample interpolation",
+ old_key->persample_interp, key->persample_interp);
+ found |= key_debug(brw, "multisampled FBO",
+ old_key->multisample_fbo, key->multisample_fbo);
+ found |= key_debug(brw, "frag coord adds sample pos",
+ old_key->frag_coord_adds_sample_pos,
+ key->frag_coord_adds_sample_pos);
+ found |= key_debug(brw, "line smoothing",
+ old_key->line_aa, key->line_aa);
+ found |= key_debug(brw, "high quality derivatives",
+ old_key->high_quality_derivatives,
+ key->high_quality_derivatives);
+ found |= key_debug(brw, "force dual color blending",
+ old_key->force_dual_color_blend,
+ key->force_dual_color_blend);
+ found |= key_debug(brw, "coherent fb fetch",
+ old_key->coherent_fb_fetch, key->coherent_fb_fetch);
+
+ found |= key_debug(brw, "input slots valid",
+ old_key->input_slots_valid, key->input_slots_valid);
+ found |= key_debug(brw, "mrt alpha test function",
+ old_key->alpha_test_func, key->alpha_test_func);
+ found |= key_debug(brw, "mrt alpha test reference value",
+ old_key->alpha_test_ref, key->alpha_test_ref);
+
+ found |= brw_debug_recompile_sampler_key(brw, &old_key->tex, &key->tex);
+
+ if (!found) {
+ perf_debug(" Something else\n");
+ }
}
/**
* Depending on the instructions used (i.e. flow control instructions)
* we'll use one of two code generators.
*/
-bool
+static bool
brw_codegen_wm_prog(struct brw_context *brw,
- struct gl_shader_program *prog,
- struct brw_fragment_program *fp,
- struct brw_wm_prog_key *key)
+ struct brw_program *fp,
+ struct brw_wm_prog_key *key,
+ struct brw_vue_map *vue_map)
{
- struct gl_context *ctx = &brw->ctx;
+ const struct gen_device_info *devinfo = &brw->screen->devinfo;
void *mem_ctx = ralloc_context(NULL);
struct brw_wm_prog_data prog_data;
const GLuint *program;
- struct gl_shader *fs = NULL;
GLuint program_size;
-
- if (prog)
- fs = prog->_LinkedShaders[MESA_SHADER_FRAGMENT];
+ bool start_busy = false;
+ double start_time = 0;
memset(&prog_data, 0, sizeof(prog_data));
- /* key->alpha_test_func means simulating alpha testing via discards,
- * so the shader definitely kills pixels.
- */
- prog_data.uses_kill = fp->program.UsesKill || key->alpha_test_func;
- prog_data.uses_omask =
- fp->program.Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_SAMPLE_MASK);
- prog_data.computed_depth_mode = computed_depth_mode(&fp->program);
-
- prog_data.early_fragment_tests = fs && fs->EarlyFragmentTests;
/* Use ALT floating point mode for ARB programs so that 0^0 == 1. */
- if (!prog)
+ if (fp->program.is_arb_asm)
prog_data.base.use_alt_mode = true;
- /* Allocate the references to the uniforms that will end up in the
- * prog_data associated with the compiled program, and which will be freed
- * by the state cache.
- */
- int param_count;
- if (fs) {
- param_count = fs->num_uniform_components +
- fs->NumImages * BRW_IMAGE_PARAM_SIZE;
- prog_data.base.nr_image_params = fs->NumImages;
+ assign_fs_binding_table_offsets(devinfo, &fp->program, key, &prog_data);
+
+ if (!fp->program.is_arb_asm) {
+ brw_nir_setup_glsl_uniforms(mem_ctx, fp->program.nir, &fp->program,
+ &prog_data.base, true);
+ brw_nir_analyze_ubo_ranges(brw->screen->compiler, fp->program.nir,
+ prog_data.base.ubo_ranges);
} else {
- param_count = fp->program.Base.Parameters->NumParameters * 4;
+ brw_nir_setup_arb_uniforms(mem_ctx, fp->program.nir, &fp->program,
+ &prog_data.base);
+
+ if (unlikely(INTEL_DEBUG & DEBUG_WM))
+ brw_dump_arb_asm("fragment", &fp->program);
+ }
+
+ if (unlikely(brw->perf_debug)) {
+ start_busy = (brw->batch.last_bo &&
+ brw_bo_busy(brw->batch.last_bo));
+ start_time = get_time();
+ }
+
+ int st_index8 = -1, st_index16 = -1;
+ if (INTEL_DEBUG & DEBUG_SHADER_TIME) {
+ st_index8 = brw_get_shader_time_index(brw, &fp->program, ST_FS8,
+ !fp->program.is_arb_asm);
+ st_index16 = brw_get_shader_time_index(brw, &fp->program, ST_FS16,
+ !fp->program.is_arb_asm);
}
- /* The backend also sometimes adds params for texture size. */
- param_count += 2 * ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits;
- prog_data.base.param =
- rzalloc_array(NULL, const gl_constant_value *, param_count);
- prog_data.base.pull_param =
- rzalloc_array(NULL, const gl_constant_value *, param_count);
- prog_data.base.image_param =
- rzalloc_array(NULL, struct brw_image_param,
- prog_data.base.nr_image_params);
- prog_data.base.nr_params = param_count;
-
- prog_data.barycentric_interp_modes =
- brw_compute_barycentric_interp_modes(brw, key->flat_shade,
- key->persample_shading,
- &fp->program);
-
- program = brw_wm_fs_emit(brw, mem_ctx, key, &prog_data,
- &fp->program, prog, &program_size);
+
+ char *error_str = NULL;
+ program = brw_compile_fs(brw->screen->compiler, brw, mem_ctx,
+ key, &prog_data, fp->program.nir,
+ &fp->program, st_index8, st_index16,
+ true, false, vue_map,
+ &program_size, &error_str);
+
if (program == NULL) {
+ if (!fp->program.is_arb_asm) {
+ fp->program.sh.data->LinkStatus = linking_failure;
+ ralloc_strcat(&fp->program.sh.data->InfoLog, error_str);
+ }
+
+ _mesa_problem(NULL, "Failed to compile fragment shader: %s\n", error_str);
+
ralloc_free(mem_ctx);
return false;
}
- if (prog_data.base.total_scratch) {
- brw_get_scratch_bo(brw, &brw->wm.base.scratch_bo,
- prog_data.base.total_scratch * brw->max_wm_threads);
+ if (unlikely(brw->perf_debug)) {
+ if (fp->compiled_once)
+ brw_wm_debug_recompile(brw, &fp->program, key);
+ fp->compiled_once = true;
+
+ if (start_busy && !brw_bo_busy(brw->batch.last_bo)) {
+ perf_debug("FS compile took %.03f ms and stalled the GPU\n",
+ (get_time() - start_time) * 1000);
+ }
}
- if (unlikely(INTEL_DEBUG & DEBUG_WM))
+ brw_alloc_stage_scratch(brw, &brw->wm.base,
+ prog_data.base.total_scratch,
+ devinfo->max_wm_threads);
+
+ if (unlikely((INTEL_DEBUG & DEBUG_WM) && fp->program.is_arb_asm))
fprintf(stderr, "\n");
+ /* The param and pull_param arrays will be freed by the shader cache. */
+ ralloc_steal(NULL, prog_data.base.param);
+ ralloc_steal(NULL, prog_data.base.pull_param);
brw_upload_cache(&brw->cache, BRW_CACHE_FS_PROG,
- key, sizeof(struct brw_wm_prog_key),
- program, program_size,
- &prog_data, sizeof(prog_data),
- &brw->wm.base.prog_offset, &brw->wm.prog_data);
+ key, sizeof(struct brw_wm_prog_key),
+ program, program_size,
+ &prog_data, sizeof(prog_data),
+ &brw->wm.base.prog_offset, &brw->wm.base.prog_data);
ralloc_free(mem_ctx);
return true;
}
-static bool
-key_debug(struct brw_context *brw, const char *name, int a, int b)
-{
- if (a != b) {
- perf_debug(" %s %d->%d\n", name, a, b);
- return true;
- } else {
- return false;
- }
-}
-
bool
brw_debug_recompile_sampler_key(struct brw_context *brw,
const struct brw_sampler_prog_key_data *old_key,
found |= key_debug(brw, "compressed multisample layout",
old_key->compressed_multisample_layout_mask,
key->compressed_multisample_layout_mask);
+ found |= key_debug(brw, "16x msaa",
+ old_key->msaa_16,
+ key->msaa_16);
+
+ found |= key_debug(brw, "y_uv image bound",
+ old_key->y_uv_image_mask,
+ key->y_uv_image_mask);
+ found |= key_debug(brw, "y_u_v image bound",
+ old_key->y_u_v_image_mask,
+ key->y_u_v_image_mask);
+ found |= key_debug(brw, "yx_xuxv image bound",
+ old_key->yx_xuxv_image_mask,
+ key->yx_xuxv_image_mask);
+ found |= key_debug(brw, "xy_uxvx image bound",
+ old_key->xy_uxvx_image_mask,
+ key->xy_uxvx_image_mask);
+
for (unsigned int i = 0; i < MAX_SAMPLERS; i++) {
found |= key_debug(brw, "textureGather workarounds",
return found;
}
-void
-brw_wm_debug_recompile(struct brw_context *brw,
- struct gl_shader_program *prog,
- const struct brw_wm_prog_key *key)
-{
- struct brw_cache_item *c = NULL;
- const struct brw_wm_prog_key *old_key = NULL;
- bool found = false;
-
- perf_debug("Recompiling fragment shader for program %d\n", prog->Name);
-
- for (unsigned int i = 0; i < brw->cache.size; i++) {
- for (c = brw->cache.items[i]; c; c = c->next) {
- if (c->cache_id == BRW_CACHE_FS_PROG) {
- old_key = c->key;
-
- if (old_key->program_string_id == key->program_string_id)
- break;
- }
- }
- if (c)
- break;
- }
-
- if (!c) {
- perf_debug(" Didn't find previous compile in the shader cache for debug\n");
- return;
- }
-
- found |= key_debug(brw, "alphatest, computed depth, depth test, or "
- "depth write",
- old_key->iz_lookup, key->iz_lookup);
- found |= key_debug(brw, "depth statistics",
- old_key->stats_wm, key->stats_wm);
- found |= key_debug(brw, "flat shading",
- old_key->flat_shade, key->flat_shade);
- found |= key_debug(brw, "per-sample shading",
- old_key->persample_shading, key->persample_shading);
- found |= key_debug(brw, "per-sample shading and 2x MSAA",
- old_key->persample_2x, key->persample_2x);
- found |= key_debug(brw, "number of color buffers",
- old_key->nr_color_regions, key->nr_color_regions);
- found |= key_debug(brw, "MRT alpha test or alpha-to-coverage",
- old_key->replicate_alpha, key->replicate_alpha);
- found |= key_debug(brw, "rendering to FBO",
- old_key->render_to_fbo, key->render_to_fbo);
- found |= key_debug(brw, "fragment color clamping",
- old_key->clamp_fragment_color, key->clamp_fragment_color);
- found |= key_debug(brw, "line smoothing",
- old_key->line_aa, key->line_aa);
- found |= key_debug(brw, "renderbuffer height",
- old_key->drawable_height, key->drawable_height);
- found |= key_debug(brw, "input slots valid",
- old_key->input_slots_valid, key->input_slots_valid);
- found |= key_debug(brw, "mrt alpha test function",
- old_key->alpha_test_func, key->alpha_test_func);
- found |= key_debug(brw, "mrt alpha test reference value",
- old_key->alpha_test_ref, key->alpha_test_ref);
-
- found |= brw_debug_recompile_sampler_key(brw, &old_key->tex, &key->tex);
-
- if (!found) {
- perf_debug(" Something else\n");
- }
-}
-
static uint8_t
gen6_gather_workaround(GLenum internalformat)
{
void
brw_populate_sampler_prog_key_data(struct gl_context *ctx,
- const struct gl_program *prog,
- unsigned sampler_count,
- struct brw_sampler_prog_key_data *key)
+ const struct gl_program *prog,
+ struct brw_sampler_prog_key_data *key)
{
struct brw_context *brw = brw_context(ctx);
+ const struct gen_device_info *devinfo = &brw->screen->devinfo;
+ GLbitfield mask = prog->SamplersUsed;
- for (int s = 0; s < sampler_count; s++) {
- key->swizzles[s] = SWIZZLE_NOOP;
+ while (mask) {
+ const int s = u_bit_scan(&mask);
- if (!(prog->SamplersUsed & (1 << s)))
- continue;
+ key->swizzles[s] = SWIZZLE_NOOP;
int unit_id = prog->SamplerUnits[s];
const struct gl_texture_unit *unit = &ctx->Texture.Unit[unit_id];
if (unit->_Current && unit->_Current->Target != GL_TEXTURE_BUFFER) {
- const struct gl_texture_object *t = unit->_Current;
- const struct gl_texture_image *img = t->Image[0][t->BaseLevel];
- struct gl_sampler_object *sampler = _mesa_get_samplerobj(ctx, unit_id);
+ const struct gl_texture_object *t = unit->_Current;
+ const struct gl_texture_image *img = t->Image[0][t->BaseLevel];
+ struct gl_sampler_object *sampler = _mesa_get_samplerobj(ctx, unit_id);
const bool alpha_depth = t->DepthMode == GL_ALPHA &&
(img->_BaseFormat == GL_DEPTH_COMPONENT ||
/* Haswell handles texture swizzling as surface format overrides
* (except for GL_ALPHA); all other platforms need MOVs in the shader.
*/
- if (alpha_depth || (brw->gen < 8 && !brw->is_haswell))
+ if (alpha_depth || (devinfo->gen < 8 && !devinfo->is_haswell))
key->swizzles[s] = brw_get_texture_swizzle(ctx, t);
- if (brw->gen < 8 &&
+ if (devinfo->gen < 8 &&
sampler->MinFilter != GL_NEAREST &&
- sampler->MagFilter != GL_NEAREST) {
- if (sampler->WrapS == GL_CLAMP)
- key->gl_clamp_mask[0] |= 1 << s;
- if (sampler->WrapT == GL_CLAMP)
- key->gl_clamp_mask[1] |= 1 << s;
- if (sampler->WrapR == GL_CLAMP)
- key->gl_clamp_mask[2] |= 1 << s;
- }
-
- /* gather4's channel select for green from RG32F is broken; requires
- * a shader w/a on IVB; fixable with just SCS on HSW.
- */
- if (brw->gen == 7 && !brw->is_haswell && prog->UsesGather) {
- if (img->InternalFormat == GL_RG32F)
- key->gather_channel_quirk_mask |= 1 << s;
+ sampler->MagFilter != GL_NEAREST) {
+ if (sampler->WrapS == GL_CLAMP)
+ key->gl_clamp_mask[0] |= 1 << s;
+ if (sampler->WrapT == GL_CLAMP)
+ key->gl_clamp_mask[1] |= 1 << s;
+ if (sampler->WrapR == GL_CLAMP)
+ key->gl_clamp_mask[2] |= 1 << s;
+ }
+
+ /* gather4 for RG32* is broken in multiple ways on Gen7. */
+ if (devinfo->gen == 7 && prog->nir->info.uses_texture_gather) {
+ switch (img->InternalFormat) {
+ case GL_RG32I:
+ case GL_RG32UI: {
+ /* We have to override the format to R32G32_FLOAT_LD.
+ * This means that SCS_ALPHA and SCS_ONE will return 0x3f8
+ * (1.0) rather than integer 1. This needs shader hacks.
+ *
+ * On Ivybridge, we whack W (alpha) to ONE in our key's
+ * swizzle. On Haswell, we look at the original texture
+ * swizzle, and use XYZW with channels overridden to ONE,
+ * leaving normal texture swizzling to SCS.
+ */
+ unsigned src_swizzle =
+ devinfo->is_haswell ? t->_Swizzle : key->swizzles[s];
+ for (int i = 0; i < 4; i++) {
+ unsigned src_comp = GET_SWZ(src_swizzle, i);
+ if (src_comp == SWIZZLE_ONE || src_comp == SWIZZLE_W) {
+ key->swizzles[i] &= ~(0x7 << (3 * i));
+ key->swizzles[i] |= SWIZZLE_ONE << (3 * i);
+ }
+ }
+ /* fallthrough */
+ }
+ case GL_RG32F:
+ /* The channel select for green doesn't work - we have to
+ * request blue. Haswell can use SCS for this, but Ivybridge
+ * needs a shader workaround.
+ */
+ if (!devinfo->is_haswell)
+ key->gather_channel_quirk_mask |= 1 << s;
+ break;
+ }
}
/* Gen6's gather4 is broken for UINT/SINT; we treat them as
* UNORM/FLOAT instead and fix it in the shader.
*/
- if (brw->gen == 6 && prog->UsesGather) {
+ if (devinfo->gen == 6 && prog->nir->info.uses_texture_gather) {
key->gen6_gather_wa[s] = gen6_gather_workaround(img->InternalFormat);
}
struct intel_texture_object *intel_tex =
intel_texture_object((struct gl_texture_object *)t);
- if (brw->gen >= 7 &&
- intel_tex->mt->msaa_layout == INTEL_MSAA_LAYOUT_CMS) {
+ /* From gen9 onwards some single sampled buffers can also be
+ * compressed. These don't need ld2dms sampling along with mcs fetch.
+ */
+ if (intel_tex->mt->aux_usage == ISL_AUX_USAGE_MCS) {
+ assert(devinfo->gen >= 7);
+ assert(intel_tex->mt->surf.samples > 1);
+ assert(intel_tex->mt->mcs_buf);
+ assert(intel_tex->mt->surf.msaa_layout == ISL_MSAA_LAYOUT_ARRAY);
key->compressed_multisample_layout_mask |= 1 << s;
+
+ if (intel_tex->mt->surf.samples >= 16) {
+ assert(devinfo->gen >= 9);
+ key->msaa_16 |= 1 << s;
+ }
+ }
+
+ if (t->Target == GL_TEXTURE_EXTERNAL_OES && intel_tex->planar_format) {
+ switch (intel_tex->planar_format->components) {
+ case __DRI_IMAGE_COMPONENTS_Y_UV:
+ key->y_uv_image_mask |= 1 << s;
+ break;
+ case __DRI_IMAGE_COMPONENTS_Y_U_V:
+ key->y_u_v_image_mask |= 1 << s;
+ break;
+ case __DRI_IMAGE_COMPONENTS_Y_XUXV:
+ key->yx_xuxv_image_mask |= 1 << s;
+ break;
+ case __DRI_IMAGE_COMPONENTS_Y_UXVX:
+ key->xy_uxvx_image_mask |= 1 << s;
+ break;
+ default:
+ break;
+ }
}
+
}
}
}
static bool
-brw_wm_state_dirty (struct brw_context *brw)
+brw_wm_state_dirty(const struct brw_context *brw)
{
return brw_state_dirty(brw,
_NEW_BUFFERS |
BRW_NEW_VUE_MAP_GEOM_OUT);
}
-static void
+void
brw_wm_populate_key(struct brw_context *brw, struct brw_wm_prog_key *key)
{
+ const struct gen_device_info *devinfo = &brw->screen->devinfo;
struct gl_context *ctx = &brw->ctx;
/* BRW_NEW_FRAGMENT_PROGRAM */
- const struct brw_fragment_program *fp =
- (struct brw_fragment_program *) brw->fragment_program;
- const struct gl_program *prog = (struct gl_program *) brw->fragment_program;
+ const struct gl_program *prog = brw->programs[MESA_SHADER_FRAGMENT];
+ const struct brw_program *fp = brw_program_const(prog);
GLuint lookup = 0;
GLuint line_aa;
- bool program_uses_dfdy = fp->program.UsesDFdy;
- const bool multisample_fbo = _mesa_geometric_samples(ctx->DrawBuffer) > 1;
memset(key, 0, sizeof(*key));
/* Build the index for table lookup
*/
- if (brw->gen < 6) {
+ if (devinfo->gen < 6) {
/* _NEW_COLOR */
- if (fp->program.UsesKill || ctx->Color.AlphaEnabled)
- lookup |= IZ_PS_KILL_ALPHATEST_BIT;
+ if (prog->info.fs.uses_discard || ctx->Color.AlphaEnabled) {
+ lookup |= BRW_WM_IZ_PS_KILL_ALPHATEST_BIT;
+ }
- if (fp->program.Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH))
- lookup |= IZ_PS_COMPUTES_DEPTH_BIT;
+ if (prog->info.outputs_written & BITFIELD64_BIT(FRAG_RESULT_DEPTH)) {
+ lookup |= BRW_WM_IZ_PS_COMPUTES_DEPTH_BIT;
+ }
/* _NEW_DEPTH */
if (ctx->Depth.Test)
- lookup |= IZ_DEPTH_TEST_ENABLE_BIT;
+ lookup |= BRW_WM_IZ_DEPTH_TEST_ENABLE_BIT;
- if (ctx->Depth.Test && ctx->Depth.Mask) /* ?? */
- lookup |= IZ_DEPTH_WRITE_ENABLE_BIT;
+ if (brw_depth_writes_enabled(brw))
+ lookup |= BRW_WM_IZ_DEPTH_WRITE_ENABLE_BIT;
/* _NEW_STENCIL | _NEW_BUFFERS */
- if (ctx->Stencil._Enabled) {
- lookup |= IZ_STENCIL_TEST_ENABLE_BIT;
+ if (brw->stencil_enabled) {
+ lookup |= BRW_WM_IZ_STENCIL_TEST_ENABLE_BIT;
- if (ctx->Stencil.WriteMask[0] ||
- ctx->Stencil.WriteMask[ctx->Stencil._BackFace])
- lookup |= IZ_STENCIL_WRITE_ENABLE_BIT;
+ if (ctx->Stencil.WriteMask[0] ||
+ ctx->Stencil.WriteMask[ctx->Stencil._BackFace])
+ lookup |= BRW_WM_IZ_STENCIL_WRITE_ENABLE_BIT;
}
key->iz_lookup = lookup;
}
- line_aa = AA_NEVER;
+ line_aa = BRW_WM_AA_NEVER;
/* _NEW_LINE, _NEW_POLYGON, BRW_NEW_REDUCED_PRIMITIVE */
if (ctx->Line.SmoothFlag) {
if (brw->reduced_primitive == GL_LINES) {
- line_aa = AA_ALWAYS;
+ line_aa = BRW_WM_AA_ALWAYS;
}
else if (brw->reduced_primitive == GL_TRIANGLES) {
- if (ctx->Polygon.FrontMode == GL_LINE) {
- line_aa = AA_SOMETIMES;
-
- if (ctx->Polygon.BackMode == GL_LINE ||
- (ctx->Polygon.CullFlag &&
- ctx->Polygon.CullFaceMode == GL_BACK))
- line_aa = AA_ALWAYS;
- }
- else if (ctx->Polygon.BackMode == GL_LINE) {
- line_aa = AA_SOMETIMES;
-
- if ((ctx->Polygon.CullFlag &&
- ctx->Polygon.CullFaceMode == GL_FRONT))
- line_aa = AA_ALWAYS;
- }
+ if (ctx->Polygon.FrontMode == GL_LINE) {
+ line_aa = BRW_WM_AA_SOMETIMES;
+
+ if (ctx->Polygon.BackMode == GL_LINE ||
+ (ctx->Polygon.CullFlag &&
+ ctx->Polygon.CullFaceMode == GL_BACK))
+ line_aa = BRW_WM_AA_ALWAYS;
+ }
+ else if (ctx->Polygon.BackMode == GL_LINE) {
+ line_aa = BRW_WM_AA_SOMETIMES;
+
+ if ((ctx->Polygon.CullFlag &&
+ ctx->Polygon.CullFaceMode == GL_FRONT))
+ line_aa = BRW_WM_AA_ALWAYS;
+ }
}
}
key->high_quality_derivatives =
ctx->Hint.FragmentShaderDerivative == GL_NICEST;
- if (brw->gen < 6)
+ if (devinfo->gen < 6)
key->stats_wm = brw->stats_wm;
/* _NEW_LIGHT */
- key->flat_shade = (ctx->Light.ShadeModel == GL_FLAT);
+ key->flat_shade =
+ (prog->info.inputs_read & (VARYING_BIT_COL0 | VARYING_BIT_COL1)) &&
+ (ctx->Light.ShadeModel == GL_FLAT);
/* _NEW_FRAG_CLAMP | _NEW_BUFFERS */
key->clamp_fragment_color = ctx->Color._ClampFragmentColor;
/* _NEW_TEXTURE */
- brw_populate_sampler_prog_key_data(ctx, prog, brw->wm.base.sampler_count,
- &key->tex);
-
- /* _NEW_BUFFERS */
- /*
- * Include the draw buffer origin and height so that we can calculate
- * fragment position values relative to the bottom left of the drawable,
- * from the incoming screen origin relative position we get as part of our
- * payload.
- *
- * This is only needed for the WM_WPOSXY opcode when the fragment program
- * uses the gl_FragCoord input.
- *
- * We could avoid recompiling by including this as a constant referenced by
- * our program, but if we were to do that it would also be nice to handle
- * getting that constant updated at batchbuffer submit time (when we
- * hold the lock and know where the buffer really is) rather than at emit
- * time when we don't hold the lock and are just guessing. We could also
- * just avoid using this as key data if the program doesn't use
- * fragment.position.
- *
- * For DRI2 the origin_x/y will always be (0,0) but we still need the
- * drawable height in order to invert the Y axis.
- */
- if (fp->program.Base.InputsRead & VARYING_BIT_POS) {
- key->drawable_height = _mesa_geometric_height(ctx->DrawBuffer);
- }
-
- if ((fp->program.Base.InputsRead & VARYING_BIT_POS) || program_uses_dfdy) {
- key->render_to_fbo = _mesa_is_user_fbo(ctx->DrawBuffer);
- }
+ brw_populate_sampler_prog_key_data(ctx, prog, &key->tex);
/* _NEW_BUFFERS */
key->nr_color_regions = ctx->DrawBuffer->_NumColorDrawBuffers;
+ /* _NEW_COLOR */
+ key->force_dual_color_blend = brw->dual_color_blend_by_location &&
+ (ctx->Color.BlendEnabled & 1) && ctx->Color.Blend[0]._UsesDualSrc;
+
/* _NEW_MULTISAMPLE, _NEW_COLOR, _NEW_BUFFERS */
key->replicate_alpha = ctx->DrawBuffer->_NumColorDrawBuffers > 1 &&
- (ctx->Multisample.SampleAlphaToCoverage || ctx->Color.AlphaEnabled);
+ (_mesa_is_alpha_test_enabled(ctx) ||
+ _mesa_is_alpha_to_coverage_enabled(ctx));
/* _NEW_BUFFERS _NEW_MULTISAMPLE */
/* Ignore sample qualifier while computing this flag. */
- key->persample_shading =
- _mesa_get_min_invocations_per_fragment(ctx, &fp->program, true) > 1;
- if (key->persample_shading)
- key->persample_2x = _mesa_geometric_samples(ctx->DrawBuffer) == 2;
-
- key->compute_pos_offset =
- _mesa_get_min_invocations_per_fragment(ctx, &fp->program, false) > 1 &&
- fp->program.Base.SystemValuesRead & SYSTEM_BIT_SAMPLE_POS;
+ if (ctx->Multisample.Enabled) {
+ key->persample_interp =
+ ctx->Multisample.SampleShading &&
+ (ctx->Multisample.MinSampleShadingValue *
+ _mesa_geometric_samples(ctx->DrawBuffer) > 1);
- key->compute_sample_id =
- multisample_fbo &&
- ctx->Multisample.Enabled &&
- (fp->program.Base.SystemValuesRead & SYSTEM_BIT_SAMPLE_ID);
+ key->multisample_fbo = _mesa_geometric_samples(ctx->DrawBuffer) > 1;
+ }
/* BRW_NEW_VUE_MAP_GEOM_OUT */
- if (brw->gen < 6 || _mesa_bitcount_64(fp->program.Base.InputsRead &
- BRW_FS_VARYING_INPUT_MASK) > 16)
+ if (devinfo->gen < 6 || _mesa_bitcount_64(prog->info.inputs_read &
+ BRW_FS_VARYING_INPUT_MASK) > 16) {
key->input_slots_valid = brw->vue_map_geom_out.slots_valid;
-
+ }
/* _NEW_COLOR | _NEW_BUFFERS */
/* Pre-gen6, the hardware alpha test always used each render
* like GL requires. Fix that by building the alpha test into the
* shader, and we'll skip enabling the fixed function alpha test.
*/
- if (brw->gen < 6 && ctx->DrawBuffer->_NumColorDrawBuffers > 1 &&
+ if (devinfo->gen < 6 && ctx->DrawBuffer->_NumColorDrawBuffers > 1 &&
ctx->Color.AlphaEnabled) {
key->alpha_test_func = ctx->Color.AlphaFunc;
key->alpha_test_ref = ctx->Color.AlphaRef;
/* The unique fragment program ID */
key->program_string_id = fp->id;
+
+ /* Whether reads from the framebuffer should behave coherently. */
+ key->coherent_fb_fetch = ctx->Extensions.MESA_shader_framebuffer_fetch;
}
void
brw_upload_wm_prog(struct brw_context *brw)
{
- struct gl_context *ctx = &brw->ctx;
- struct gl_shader_program *current = ctx->_Shader->_CurrentFragmentProgram;
struct brw_wm_prog_key key;
- struct brw_fragment_program *fp = (struct brw_fragment_program *)
- brw->fragment_program;
+ struct brw_program *fp =
+ (struct brw_program *) brw->programs[MESA_SHADER_FRAGMENT];
if (!brw_wm_state_dirty(brw))
return;
brw_wm_populate_key(brw, &key);
if (!brw_search_cache(&brw->cache, BRW_CACHE_FS_PROG,
- &key, sizeof(key),
- &brw->wm.base.prog_offset, &brw->wm.prog_data)) {
- bool success = brw_codegen_wm_prog(brw, current, fp, &key);
+ &key, sizeof(key),
+ &brw->wm.base.prog_offset,
+ &brw->wm.base.prog_data)) {
+ bool success = brw_codegen_wm_prog(brw, fp, &key,
+ &brw->vue_map_geom_out);
(void) success;
assert(success);
}
- brw->wm.base.prog_data = &brw->wm.prog_data->base;
+}
+
+bool
+brw_fs_precompile(struct gl_context *ctx, struct gl_program *prog)
+{
+ struct brw_context *brw = brw_context(ctx);
+ const struct gen_device_info *devinfo = &brw->screen->devinfo;
+ struct brw_wm_prog_key key;
+
+ struct brw_program *bfp = brw_program(prog);
+
+ memset(&key, 0, sizeof(key));
+
+ uint64_t outputs_written = prog->info.outputs_written;
+
+ if (devinfo->gen < 6) {
+ if (prog->info.fs.uses_discard)
+ key.iz_lookup |= BRW_WM_IZ_PS_KILL_ALPHATEST_BIT;
+
+ if (outputs_written & BITFIELD64_BIT(FRAG_RESULT_DEPTH))
+ key.iz_lookup |= BRW_WM_IZ_PS_COMPUTES_DEPTH_BIT;
+
+ /* Just assume depth testing. */
+ key.iz_lookup |= BRW_WM_IZ_DEPTH_TEST_ENABLE_BIT;
+ key.iz_lookup |= BRW_WM_IZ_DEPTH_WRITE_ENABLE_BIT;
+ }
+
+ if (devinfo->gen < 6 || _mesa_bitcount_64(prog->info.inputs_read &
+ BRW_FS_VARYING_INPUT_MASK) > 16) {
+ key.input_slots_valid = prog->info.inputs_read | VARYING_BIT_POS;
+ }
+
+ brw_setup_tex_for_precompile(brw, &key.tex, prog);
+
+ key.nr_color_regions = _mesa_bitcount_64(outputs_written &
+ ~(BITFIELD64_BIT(FRAG_RESULT_DEPTH) |
+ BITFIELD64_BIT(FRAG_RESULT_STENCIL) |
+ BITFIELD64_BIT(FRAG_RESULT_SAMPLE_MASK)));
+
+ key.program_string_id = bfp->id;
+
+ /* Whether reads from the framebuffer should behave coherently. */
+ key.coherent_fb_fetch = ctx->Extensions.MESA_shader_framebuffer_fetch;
+
+ uint32_t old_prog_offset = brw->wm.base.prog_offset;
+ struct brw_stage_prog_data *old_prog_data = brw->wm.base.prog_data;
+
+ struct brw_vue_map vue_map;
+ if (devinfo->gen < 6) {
+ brw_compute_vue_map(&brw->screen->devinfo, &vue_map,
+ prog->info.inputs_read | VARYING_BIT_POS,
+ false);
+ }
+
+ bool success = brw_codegen_wm_prog(brw, bfp, &key, &vue_map);
+
+ brw->wm.base.prog_offset = old_prog_offset;
+ brw->wm.base.prog_data = old_prog_data;
+
+ return success;
}
projects / mesa.git / blobdiff