#include "program/prog_parameter.h"
#include "program/program.h"
#include "intel_mipmap_tree.h"
+#include "intel_image.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(const struct brw_device_info *devinfo,
- bool shade_model_flat,
- bool persample_shading,
- nir_shader *shader)
-{
- unsigned barycentric_interp_modes = 0;
-
- nir_foreach_variable(var, &shader->inputs) {
- enum glsl_interp_qualifier interp_qualifier = var->data.interpolation;
- bool is_centroid = var->data.centroid && !persample_shading;
- bool is_sample = var->data.sample || persample_shading;
- bool is_gl_Color = (var->data.location == VARYING_SLOT_COL0) ||
- (var->data.location == VARYING_SLOT_COL1);
-
- /* Ignore WPOS and FACE, because they don't require interpolation. */
- if (var->data.location == VARYING_SLOT_POS ||
- var->data.location == 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) ||
- devinfo->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) ||
- devinfo->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;
-}
-
static void
-assign_fs_binding_table_offsets(const struct brw_device_info *devinfo,
+assign_fs_binding_table_offsets(const struct gen_device_info *devinfo,
const struct gl_shader_program *shader_prog,
const struct gl_program *prog,
const struct brw_wm_prog_key *key,
prog_data->binding_table.render_target_start = next_binding_table_offset;
next_binding_table_offset += MAX2(key->nr_color_regions, 1);
- brw_assign_common_binding_table_offsets(MESA_SHADER_FRAGMENT, devinfo,
- shader_prog, prog, &prog_data->base,
- next_binding_table_offset);
+ next_binding_table_offset =
+ brw_assign_common_binding_table_offsets(MESA_SHADER_FRAGMENT, devinfo,
+ shader_prog, prog, &prog_data->base,
+ next_binding_table_offset);
+
+ 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;
+ }
}
/**
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);
-
- prog_data.early_fragment_tests = fs && fs->base.EarlyFragmentTests;
/* Use ALT floating point mode for ARB programs so that 0^0 == 1. */
if (!prog)
* prog_data associated with the compiled program, and which will be freed
* by the state cache.
*/
- int param_count = fp->program.Base.nir->num_uniforms;
+ int param_count = fp->program.Base.nir->num_uniforms / 4;
if (fs)
prog_data.base.nr_image_params = fs->base.NumImages;
/* The backend also sometimes adds params for texture size. */
&prog_data.base);
}
- prog_data.barycentric_interp_modes =
- brw_compute_barycentric_interp_modes(brw->intelScreen->devinfo,
- key->flat_shade,
- key->persample_shading,
- fp->program.Base.nir);
-
if (unlikely(brw->perf_debug)) {
start_busy = (brw->batch.last_bo &&
drm_intel_bo_busy(brw->batch.last_bo));
}
char *error_str = NULL;
- program = brw_wm_fs_emit(brw->intelScreen->compiler, brw, mem_ctx,
+ 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);
+ true, brw->use_rep_send,
+ &program_size, &error_str);
if (program == NULL) {
if (prog) {
prog->LinkStatus = 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);
- }
+ brw_alloc_stage_scratch(brw, &brw->wm.base,
+ prog_data.base.total_scratch,
+ brw->max_wm_threads);
if (unlikely(INTEL_DEBUG & DEBUG_WM))
fprintf(stderr, "\n");
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);
for (unsigned int i = 0; i < MAX_SAMPLERS; i++) {
found |= key_debug(brw, "textureGather workarounds",
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, "per-sample interpolation",
+ old_key->persample_interp, key->persample_interp);
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, "multisampled FBO",
+ old_key->multisample_fbo, key->multisample_fbo);
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",
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)
{
struct brw_context *brw = brw_context(ctx);
+ 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];
struct intel_texture_object *intel_tex =
intel_texture_object((struct gl_texture_object *)t);
+ /* From gen9 onwards some single sampled buffers can also be
+ * compressed. These don't need ld2dms sampling along with mcs fetch.
+ */
if (brw->gen >= 7 &&
- intel_tex->mt->msaa_layout == INTEL_MSAA_LAYOUT_CMS) {
+ intel_tex->mt->msaa_layout == INTEL_MSAA_LAYOUT_CMS &&
+ intel_tex->mt->num_samples > 1) {
key->compressed_multisample_layout_mask |= 1 << s;
+
+ if (intel_tex->mt->num_samples >= 16) {
+ assert(brw->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;
+ 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 |
const struct gl_program *prog = (struct gl_program *) brw->fragment_program;
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));
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);
/* _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 &
/* 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
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));
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;
- }
+ 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_wm_prog_data *old_prog_data = brw->wm.prog_data;