#include "brw_context.h"
#include "brw_wm.h"
#include "brw_state.h"
+#include "brw_shader.h"
#include "main/enums.h"
#include "main/formats.h"
#include "main/fbobject.h"
#include "program/prog_parameter.h"
#include "program/program.h"
#include "intel_mipmap_tree.h"
+#include "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.
- */
-static 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 brw_device_info *devinfo,
+ const struct gl_shader_program *shader_prog,
+ 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;
- }
- }
- }
-
- return barycentric_interp_modes;
-}
-
-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;
- }
- }
- return BRW_PSCDEPTH_OFF;
-}
+ prog_data->binding_table.render_target_start = next_binding_table_offset;
+ next_binding_table_offset += MAX2(key->nr_color_regions, 1);
-bool
-brw_wm_prog_data_compare(const void *in_a, const void *in_b)
-{
- const struct brw_wm_prog_data *a = in_a;
- const struct brw_wm_prog_data *b = in_b;
-
- /* Compare the base structure. */
- if (!brw_stage_prog_data_compare(&a->base, &b->base))
- return false;
-
- /* 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;
-
- return true;
+ brw_assign_common_binding_table_offsets(MESA_SHADER_FRAGMENT, devinfo,
+ shader_prog, prog, &prog_data->base,
+ next_binding_table_offset);
}
/**
void *mem_ctx = ralloc_context(NULL);
struct brw_wm_prog_data prog_data;
const GLuint *program;
- struct gl_shader *fs = NULL;
+ struct brw_shader *fs = NULL;
GLuint program_size;
+ bool start_busy = false;
+ double start_time = 0;
if (prog)
- fs = prog->_LinkedShaders[MESA_SHADER_FRAGMENT];
+ fs = (struct brw_shader *)prog->_LinkedShaders[MESA_SHADER_FRAGMENT];
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);
/* Use ALT floating point mode for ARB programs so that 0^0 == 1. */
if (!prog)
prog_data.base.use_alt_mode = true;
+ assign_fs_binding_table_offsets(brw->intelScreen->devinfo, prog,
+ &fp->program.Base, key, &prog_data);
+
/* 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;
- prog_data.base.nr_image_params = fs->NumImages;
- } else {
- param_count = fp->program.Base.Parameters->NumParameters * 4;
- }
+ int param_count = fp->program.Base.nir->num_uniforms;
+ if (fs)
+ prog_data.base.nr_image_params = fs->base.NumImages;
/* The backend also sometimes adds params for texture size. */
param_count += 2 * ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits;
prog_data.base.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);
+ if (prog) {
+ brw_nir_setup_glsl_uniforms(fp->program.Base.nir, prog, &fp->program.Base,
+ &prog_data.base, true);
+ } else {
+ brw_nir_setup_arb_uniforms(fp->program.Base.nir, &fp->program.Base,
+ &prog_data.base);
+ }
+
+ if (unlikely(brw->perf_debug)) {
+ start_busy = (brw->batch.last_bo &&
+ drm_intel_bo_busy(brw->batch.last_bo));
+ start_time = get_time();
+ }
+
+ if (unlikely(INTEL_DEBUG & DEBUG_WM))
+ brw_dump_ir("fragment", prog, fs ? &fs->base : NULL, &fp->program.Base);
+
+ int st_index8 = -1, st_index16 = -1;
+ if (INTEL_DEBUG & DEBUG_SHADER_TIME) {
+ st_index8 = brw_get_shader_time_index(brw, prog, &fp->program.Base, ST_FS8);
+ st_index16 = brw_get_shader_time_index(brw, prog, &fp->program.Base, ST_FS16);
+ }
- 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->intelScreen->compiler, brw, mem_ctx,
+ key, &prog_data, fp->program.Base.nir,
+ &fp->program.Base, st_index8, st_index16,
+ brw->use_rep_send, &program_size, &error_str);
if (program == NULL) {
+ if (prog) {
+ prog->LinkStatus = false;
+ ralloc_strcat(&prog->InfoLog, error_str);
+ }
+
+ _mesa_problem(NULL, "Failed to compile fragment shader: %s\n", error_str);
+
ralloc_free(mem_ctx);
return false;
}
+ if (unlikely(brw->perf_debug) && fs) {
+ if (fs->compiled_once)
+ brw_wm_debug_recompile(brw, prog, key);
+ fs->compiled_once = true;
+
+ if (start_busy && !drm_intel_bo_busy(brw->batch.last_bo)) {
+ perf_debug("FS compile took %.03f ms and stalled the GPU\n",
+ (get_time() - start_time) * 1000);
+ }
+ }
+
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);
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);
for (unsigned int i = 0; i < MAX_SAMPLERS; i++) {
found |= key_debug(brw, "textureGather workarounds",
if (brw->gen >= 7 &&
intel_tex->mt->msaa_layout == INTEL_MSAA_LAYOUT_CMS) {
key->compressed_multisample_layout_mask |= 1 << s;
+
+ if (intel_tex->mt->num_samples >= 16) {
+ assert(brw->gen >= 9);
+ key->msaa_16 |= 1 << s;
+ }
}
}
}
}
brw->wm.base.prog_data = &brw->wm.prog_data->base;
}
+
+bool
+brw_fs_precompile(struct gl_context *ctx,
+ struct gl_shader_program *shader_prog,
+ struct gl_program *prog)
+{
+ struct brw_context *brw = brw_context(ctx);
+ struct brw_wm_prog_key key;
+
+ struct gl_fragment_program *fp = (struct gl_fragment_program *) prog;
+ struct brw_fragment_program *bfp = brw_fragment_program(fp);
+ bool program_uses_dfdy = fp->UsesDFdy;
+
+ memset(&key, 0, sizeof(key));
+
+ if (brw->gen < 6) {
+ if (fp->UsesKill)
+ key.iz_lookup |= IZ_PS_KILL_ALPHATEST_BIT;
+
+ if (fp->Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH))
+ key.iz_lookup |= IZ_PS_COMPUTES_DEPTH_BIT;
+
+ /* Just assume depth testing. */
+ key.iz_lookup |= IZ_DEPTH_TEST_ENABLE_BIT;
+ key.iz_lookup |= IZ_DEPTH_WRITE_ENABLE_BIT;
+ }
+
+ if (brw->gen < 6 || _mesa_bitcount_64(fp->Base.InputsRead &
+ BRW_FS_VARYING_INPUT_MASK) > 16)
+ key.input_slots_valid = fp->Base.InputsRead | VARYING_BIT_POS;
+
+ brw_setup_tex_for_precompile(brw, &key.tex, &fp->Base);
+
+ if (fp->Base.InputsRead & VARYING_BIT_POS) {
+ key.drawable_height = ctx->DrawBuffer->Height;
+ }
+
+ key.nr_color_regions = _mesa_bitcount_64(fp->Base.OutputsWritten &
+ ~(BITFIELD64_BIT(FRAG_RESULT_DEPTH) |
+ BITFIELD64_BIT(FRAG_RESULT_SAMPLE_MASK)));
+
+ if ((fp->Base.InputsRead & VARYING_BIT_POS) || program_uses_dfdy) {
+ key.render_to_fbo = _mesa_is_user_fbo(ctx->DrawBuffer) ||
+ key.nr_color_regions > 1;
+ }
+
+ key.program_string_id = bfp->id;
+
+ uint32_t old_prog_offset = brw->wm.base.prog_offset;
+ struct brw_wm_prog_data *old_prog_data = brw->wm.prog_data;
+
+ bool success = brw_codegen_wm_prog(brw, shader_prog, bfp, &key);
+
+ brw->wm.base.prog_offset = old_prog_offset;
+ brw->wm.prog_data = old_prog_data;
+
+ return success;
+}
projects / mesa.git / blobdiff