/*
Copyright (C) Intel Corp. 2006. All Rights Reserved.
- Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
+ Intel funded Tungsten Graphics to
develop this 3D driver.
-
+
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
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.
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.
-
+
**********************************************************************/
/*
* Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
+ * Keith Whitwell <keithw@vmware.com>
*/
-
+
#include "brw_context.h"
#include "brw_wm.h"
#include "brw_state.h"
+#include "main/enums.h"
#include "main/formats.h"
+#include "main/fbobject.h"
#include "main/samplerobj.h"
#include "program/prog_parameter.h"
+#include "program/program.h"
+#include "intel_mipmap_tree.h"
-#include "../glsl/ralloc.h"
-
-/** Return number of src args for given instruction */
-GLuint brw_wm_nr_args( GLuint opcode )
-{
- switch (opcode) {
- case WM_FRONTFACING:
- case WM_PIXELXY:
- return 0;
- case WM_CINTERP:
- case WM_WPOSXY:
- case WM_DELTAXY:
- return 1;
- case WM_LINTERP:
- case WM_PIXELW:
- return 2;
- case WM_FB_WRITE:
- case WM_PINTERP:
- return 3;
- default:
- assert(opcode < MAX_OPCODE);
- return _mesa_num_inst_src_regs(opcode);
- }
-}
-
-
-GLuint brw_wm_is_scalar_result( GLuint opcode )
-{
- switch (opcode) {
- case OPCODE_COS:
- case OPCODE_EX2:
- case OPCODE_LG2:
- case OPCODE_POW:
- case OPCODE_RCP:
- case OPCODE_RSQ:
- case OPCODE_SIN:
- case OPCODE_DP2:
- case OPCODE_DP3:
- case OPCODE_DP4:
- case OPCODE_DPH:
- case OPCODE_DST:
- return 1;
-
- default:
- return 0;
- }
-}
-
+#include "glsl/ralloc.h"
/**
- * Do GPU code generation for non-GLSL shader. non-GLSL shaders have
- * no flow control instructions so we can more readily do SSA-style
- * optimizations.
+ * 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 void
-brw_wm_non_glsl_emit(struct brw_context *brw, struct brw_wm_compile *c)
+static unsigned
+brw_compute_barycentric_interp_modes(struct brw_context *brw,
+ bool shade_model_flat,
+ bool persample_shading,
+ const struct gl_fragment_program *fprog)
{
- /* Augment fragment program. Add instructions for pre- and
- * post-fragment-program tasks such as interpolation and fogging.
- */
- brw_wm_pass_fp(c);
+ unsigned barycentric_interp_modes = 0;
+ int attr;
- /* Translate to intermediate representation. Build register usage
- * chains.
+ /* Loop through all fragment shader inputs to figure out what interpolation
+ * modes are in use, and set the appropriate bits in
+ * barycentric_interp_modes.
*/
- brw_wm_pass0(c);
+ 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);
+ 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;
+ }
+ }
+ }
- /* Dead code removal.
- */
- brw_wm_pass1(c);
+ return barycentric_interp_modes;
+}
- /* Register allocation.
- * Divide by two because we operate on 16 pixels at a time and require
- * two GRF entries for each logical shader register.
- */
- c->grf_limit = BRW_WM_MAX_GRF / 2;
+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;
- brw_wm_pass2(c);
+ /* Compare all the struct (including the base) up to the pointers. */
+ if (memcmp(a, b, offsetof(struct brw_wm_prog_data, param)))
+ return false;
- /* how many general-purpose registers are used */
- c->prog_data.reg_blocks = brw_register_blocks(c->max_wm_grf);
+ if (memcmp(a->param, b->param, a->nr_params * sizeof(void *)))
+ return false;
- /* Emit GEN4 code.
- */
- brw_wm_emit(c);
+ if (memcmp(a->pull_param, b->pull_param, a->nr_pull_params * sizeof(void *)))
+ return false;
+
+ return true;
}
void
-brw_wm_payload_setup(struct brw_context *brw,
- struct brw_wm_compile *c)
+brw_wm_prog_data_free(const void *in_prog_data)
{
- struct intel_context *intel = &brw->intel;
- bool uses_depth = (c->fp->program.Base.InputsRead &
- (1 << FRAG_ATTRIB_WPOS)) != 0;
-
- if (intel->gen >= 6) {
- /* R0-1: masks, pixel X/Y coordinates. */
- c->nr_payload_regs = 2;
- /* R2: only for 32-pixel dispatch.*/
- /* R3-4: perspective pixel location barycentric */
- c->nr_payload_regs += 2;
- /* R5-6: perspective pixel location bary for dispatch width != 8 */
- if (c->dispatch_width == 16) {
- c->nr_payload_regs += 2;
- }
- /* R7-10: perspective centroid barycentric */
- /* R11-14: perspective sample barycentric */
- /* R15-18: linear pixel location barycentric */
- /* R19-22: linear centroid barycentric */
- /* R23-26: linear sample barycentric */
-
- /* R27: interpolated depth if uses source depth */
- if (uses_depth) {
- c->source_depth_reg = c->nr_payload_regs;
- c->nr_payload_regs++;
- if (c->dispatch_width == 16) {
- /* R28: interpolated depth if not 8-wide. */
- c->nr_payload_regs++;
- }
- }
- /* R29: interpolated W set if GEN6_WM_USES_SOURCE_W.
- */
- if (uses_depth) {
- c->source_w_reg = c->nr_payload_regs;
- c->nr_payload_regs++;
- if (c->dispatch_width == 16) {
- /* R30: interpolated W if not 8-wide. */
- c->nr_payload_regs++;
- }
- }
- /* R31: MSAA position offsets. */
- /* R32-: bary for 32-pixel. */
- /* R58-59: interp W for 32-pixel. */
-
- if (c->fp->program.Base.OutputsWritten &
- BITFIELD64_BIT(FRAG_RESULT_DEPTH)) {
- c->source_depth_to_render_target = GL_TRUE;
- c->computes_depth = GL_TRUE;
- }
- } else {
- brw_wm_lookup_iz(intel, c);
- }
+ const struct brw_wm_prog_data *prog_data = in_prog_data;
+
+ ralloc_free((void *)prog_data->param);
+ ralloc_free((void *)prog_data->pull_param);
}
/**
struct brw_fragment_program *fp,
struct brw_wm_prog_key *key)
{
- struct intel_context *intel = &brw->intel;
struct brw_wm_compile *c;
const GLuint *program;
+ struct gl_shader *fs = NULL;
GLuint program_size;
- c = brw->wm.compile_data;
- if (c == NULL) {
- brw->wm.compile_data = rzalloc(NULL, struct brw_wm_compile);
- c = brw->wm.compile_data;
- if (c == NULL) {
- /* Ouch - big out of memory problem. Can't continue
- * without triggering a segfault, no way to signal,
- * so just return.
- */
- return false;
- }
+ if (prog)
+ fs = prog->_LinkedShaders[MESA_SHADER_FRAGMENT];
+
+ c = rzalloc(NULL, struct brw_wm_compile);
+
+ /* 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;
} else {
- void *instruction = c->instruction;
- void *prog_instructions = c->prog_instructions;
- void *vreg = c->vreg;
- void *refs = c->refs;
- memset(c, 0, sizeof(*brw->wm.compile_data));
- c->instruction = instruction;
- c->prog_instructions = prog_instructions;
- c->vreg = vreg;
- c->refs = refs;
+ param_count = fp->program.Base.Parameters->NumParameters * 4;
}
- memcpy(&c->key, key, sizeof(*key));
-
- c->fp = fp;
- c->env_param = brw->intel.ctx.FragmentProgram.Parameters;
+ /* The backend also sometimes adds params for texture size. */
+ param_count += 2 * BRW_MAX_TEX_UNIT;
+ c->prog_data.param = rzalloc_array(NULL, const float *, param_count);
+ c->prog_data.pull_param = rzalloc_array(NULL, const float *, param_count);
- brw_init_compile(brw, &c->func, c);
+ memcpy(&c->key, key, sizeof(*key));
- if (prog && prog->FragmentProgram) {
- if (!brw_wm_fs_emit(brw, c, prog))
- return false;
- } else {
- if (!c->instruction) {
- c->instruction = rzalloc_array(c, struct brw_wm_instruction, BRW_WM_MAX_INSN);
- c->prog_instructions = rzalloc_array(c, struct prog_instruction, BRW_WM_MAX_INSN);
- c->vreg = rzalloc_array(c, struct brw_wm_value, BRW_WM_MAX_VREG);
- c->refs = rzalloc_array(c, struct brw_wm_ref, BRW_WM_MAX_REF);
- }
+ c->prog_data.barycentric_interp_modes =
+ brw_compute_barycentric_interp_modes(brw, c->key.flat_shade,
+ c->key.persample_shading,
+ &fp->program);
- /* Fallback for fixed function and ARB_fp shaders. */
- c->dispatch_width = 16;
- brw_wm_payload_setup(brw, c);
- brw_wm_non_glsl_emit(brw, c);
- c->prog_data.dispatch_width = 16;
- }
+ program = brw_wm_fs_emit(brw, c, &fp->program, prog, &program_size);
+ if (program == NULL)
+ return false;
/* Scratch space is used for register spilling */
if (c->last_scratch) {
+ perf_debug("Fragment shader triggered register spilling. "
+ "Try reducing the number of live scalar values to "
+ "improve performance.\n");
+
c->prog_data.total_scratch = brw_get_scratch_size(c->last_scratch);
- brw_get_scratch_bo(intel, &brw->wm.scratch_bo,
- c->prog_data.total_scratch * brw->wm_max_threads);
+ brw_get_scratch_bo(brw, &brw->wm.base.scratch_bo,
+ c->prog_data.total_scratch * brw->max_wm_threads);
}
if (unlikely(INTEL_DEBUG & DEBUG_WM))
fprintf(stderr, "\n");
- /* get the program
- */
- program = brw_get_program(&c->func, &program_size);
-
brw_upload_cache(&brw->cache, BRW_WM_PROG,
&c->key, sizeof(c->key),
program, program_size,
&c->prog_data, sizeof(c->prog_data),
- &brw->wm.prog_offset, &brw->wm.prog_data);
+ &brw->wm.base.prog_offset, &brw->wm.prog_data);
+
+ ralloc_free(c);
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,
+ const struct brw_sampler_prog_key_data *key)
+{
+ bool found = false;
+
+ for (unsigned int i = 0; i < MAX_SAMPLERS; i++) {
+ found |= key_debug(brw, "EXT_texture_swizzle or DEPTH_TEXTURE_MODE",
+ old_key->swizzles[i], key->swizzles[i]);
+ }
+ found |= key_debug(brw, "GL_CLAMP enabled on any texture unit's 1st coordinate",
+ old_key->gl_clamp_mask[0], key->gl_clamp_mask[0]);
+ found |= key_debug(brw, "GL_CLAMP enabled on any texture unit's 2nd coordinate",
+ old_key->gl_clamp_mask[1], key->gl_clamp_mask[1]);
+ found |= key_debug(brw, "GL_CLAMP enabled on any texture unit's 3rd coordinate",
+ old_key->gl_clamp_mask[2], key->gl_clamp_mask[2]);
+ found |= key_debug(brw, "GL_MESA_ycbcr texturing\n",
+ old_key->yuvtex_mask, key->yuvtex_mask);
+ found |= key_debug(brw, "GL_MESA_ycbcr UV swapping\n",
+ old_key->yuvtex_swap_mask, key->yuvtex_swap_mask);
+ found |= key_debug(brw, "gather channel quirk on any texture unit",
+ old_key->gather_channel_quirk_mask, key->gather_channel_quirk_mask);
+
+ 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_WM_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, "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");
+ }
+}
+
+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);
+
+ for (int s = 0; s < sampler_count; s++) {
+ key->swizzles[s] = SWIZZLE_NOOP;
+
+ if (!(prog->SamplersUsed & (1 << s)))
+ continue;
+
+ int unit_id = prog->SamplerUnits[s];
+ const struct gl_texture_unit *unit = &ctx->Texture.Unit[unit_id];
+
+ if (unit->_ReallyEnabled && 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 bool alpha_depth = t->DepthMode == GL_ALPHA &&
+ (img->_BaseFormat == GL_DEPTH_COMPONENT ||
+ img->_BaseFormat == GL_DEPTH_STENCIL);
+
+ /* 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))
+ key->swizzles[s] = brw_get_texture_swizzle(ctx, t);
+
+ if (img->InternalFormat == GL_YCBCR_MESA) {
+ key->yuvtex_mask |= 1 << s;
+ if (img->TexFormat == MESA_FORMAT_YCBCR)
+ key->yuvtex_swap_mask |= 1 << s;
+ }
+
+ if (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;
+ }
+
+ /* If this is a multisample sampler, and uses the CMS MSAA layout,
+ * then we need to emit slightly different code to first sample the
+ * MCS surface.
+ */
+ 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) {
+ key->compressed_multisample_layout_mask |= 1 << s;
+ }
+ }
+ }
+}
static void brw_wm_populate_key( struct brw_context *brw,
struct brw_wm_prog_key *key )
{
- struct gl_context *ctx = &brw->intel.ctx;
+ struct gl_context *ctx = &brw->ctx;
/* BRW_NEW_FRAGMENT_PROGRAM */
- const struct brw_fragment_program *fp =
+ const struct brw_fragment_program *fp =
(struct brw_fragment_program *)brw->fragment_program;
+ const struct gl_program *prog = (struct gl_program *) brw->fragment_program;
GLuint lookup = 0;
GLuint line_aa;
- GLuint i;
+ bool program_uses_dfdy = fp->program.UsesDFdy;
+ bool multisample_fbo = ctx->DrawBuffer->Visual.samples > 1;
memset(key, 0, sizeof(*key));
/* Build the index for table lookup
*/
- /* _NEW_COLOR */
- key->alpha_test = ctx->Color.AlphaEnabled;
- if (fp->program.UsesKill ||
- ctx->Color.AlphaEnabled)
- lookup |= IZ_PS_KILL_ALPHATEST_BIT;
-
- if (fp->program.Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH))
- lookup |= IZ_PS_COMPUTES_DEPTH_BIT;
-
- /* _NEW_DEPTH */
- if (ctx->Depth.Test)
- lookup |= IZ_DEPTH_TEST_ENABLE_BIT;
-
- if (ctx->Depth.Test &&
- ctx->Depth.Mask) /* ?? */
- lookup |= IZ_DEPTH_WRITE_ENABLE_BIT;
-
- /* _NEW_STENCIL */
- if (ctx->Stencil._Enabled) {
- lookup |= IZ_STENCIL_TEST_ENABLE_BIT;
-
- if (ctx->Stencil.WriteMask[0] ||
- ctx->Stencil.WriteMask[ctx->Stencil._BackFace])
- lookup |= IZ_STENCIL_WRITE_ENABLE_BIT;
+ if (brw->gen < 6) {
+ /* _NEW_COLOR */
+ if (fp->program.UsesKill || ctx->Color.AlphaEnabled)
+ lookup |= IZ_PS_KILL_ALPHATEST_BIT;
+
+ if (fp->program.Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH))
+ lookup |= IZ_PS_COMPUTES_DEPTH_BIT;
+
+ /* _NEW_DEPTH */
+ if (ctx->Depth.Test)
+ lookup |= IZ_DEPTH_TEST_ENABLE_BIT;
+
+ if (ctx->Depth.Test && ctx->Depth.Mask) /* ?? */
+ lookup |= IZ_DEPTH_WRITE_ENABLE_BIT;
+
+ /* _NEW_STENCIL | _NEW_BUFFERS */
+ if (ctx->Stencil._Enabled) {
+ lookup |= IZ_STENCIL_TEST_ENABLE_BIT;
+
+ if (ctx->Stencil.WriteMask[0] ||
+ ctx->Stencil.WriteMask[ctx->Stencil._BackFace])
+ lookup |= IZ_STENCIL_WRITE_ENABLE_BIT;
+ }
+ key->iz_lookup = lookup;
}
line_aa = AA_NEVER;
/* _NEW_LINE, _NEW_POLYGON, BRW_NEW_REDUCED_PRIMITIVE */
if (ctx->Line.SmoothFlag) {
- if (brw->intel.reduced_primitive == GL_LINES) {
+ if (brw->reduced_primitive == GL_LINES) {
line_aa = AA_ALWAYS;
}
- else if (brw->intel.reduced_primitive == GL_TRIANGLES) {
+ else if (brw->reduced_primitive == GL_TRIANGLES) {
if (ctx->Polygon.FrontMode == GL_LINE) {
line_aa = AA_SOMETIMES;
}
}
- key->iz_lookup = lookup;
key->line_aa = line_aa;
- key->stats_wm = brw->intel.stats_wm;
- /* BRW_NEW_WM_INPUT_DIMENSIONS */
- key->proj_attrib_mask = brw->wm.input_size_masks[4-1];
+ /* _NEW_HINT */
+ if (brw->disable_derivative_optimization) {
+ key->high_quality_derivatives =
+ ctx->Hint.FragmentShaderDerivative != GL_FASTEST;
+ } else {
+ key->high_quality_derivatives =
+ ctx->Hint.FragmentShaderDerivative == GL_NICEST;
+ }
+
+ if (brw->gen < 6)
+ key->stats_wm = brw->stats_wm;
/* _NEW_LIGHT */
key->flat_shade = (ctx->Light.ShadeModel == GL_FLAT);
key->clamp_fragment_color = ctx->Color._ClampFragmentColor;
/* _NEW_TEXTURE */
- for (i = 0; i < BRW_MAX_TEX_UNIT; i++) {
- const struct gl_texture_unit *unit = &ctx->Texture.Unit[i];
-
- if (unit->_ReallyEnabled) {
- 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, i);
- int swizzles[SWIZZLE_NIL + 1] = {
- SWIZZLE_X,
- SWIZZLE_Y,
- SWIZZLE_Z,
- SWIZZLE_W,
- SWIZZLE_ZERO,
- SWIZZLE_ONE,
- SWIZZLE_NIL
- };
-
- /* GL_DEPTH_TEXTURE_MODE is normally handled through
- * brw_wm_surface_state, but it applies to shadow compares as
- * well and our shadow compares always return the result in
- * all 4 channels.
- */
- if (sampler->CompareMode == GL_COMPARE_R_TO_TEXTURE_ARB) {
- key->compare_funcs[i] = sampler->CompareFunc;
-
- if (sampler->DepthMode == GL_ALPHA) {
- swizzles[0] = SWIZZLE_ZERO;
- swizzles[1] = SWIZZLE_ZERO;
- swizzles[2] = SWIZZLE_ZERO;
- } else if (sampler->DepthMode == GL_LUMINANCE) {
- swizzles[3] = SWIZZLE_ONE;
- } else if (sampler->DepthMode == GL_RED) {
- /* See table 3.23 of the GL 3.0 spec. */
- swizzles[1] = SWIZZLE_ZERO;
- swizzles[2] = SWIZZLE_ZERO;
- swizzles[3] = SWIZZLE_ONE;
- }
- }
-
- if (img->InternalFormat == GL_YCBCR_MESA) {
- key->yuvtex_mask |= 1 << i;
- if (img->TexFormat == MESA_FORMAT_YCBCR)
- key->yuvtex_swap_mask |= 1 << i;
- }
-
- key->tex_swizzles[i] =
- MAKE_SWIZZLE4(swizzles[GET_SWZ(t->_Swizzle, 0)],
- swizzles[GET_SWZ(t->_Swizzle, 1)],
- swizzles[GET_SWZ(t->_Swizzle, 2)],
- swizzles[GET_SWZ(t->_Swizzle, 3)]);
-
- if (sampler->MinFilter != GL_NEAREST &&
- sampler->MagFilter != GL_NEAREST) {
- if (sampler->WrapS == GL_CLAMP)
- key->gl_clamp_mask[0] |= 1 << i;
- if (sampler->WrapT == GL_CLAMP)
- key->gl_clamp_mask[1] |= 1 << i;
- if (sampler->WrapR == GL_CLAMP)
- key->gl_clamp_mask[2] |= 1 << i;
- }
- }
- else {
- key->tex_swizzles[i] = SWIZZLE_NOOP;
- }
- }
+ brw_populate_sampler_prog_key_data(ctx, prog, brw->wm.base.sampler_count,
+ &key->tex);
/* _NEW_BUFFERS */
/*
* 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 & FRAG_BIT_WPOS) {
+ if (fp->program.Base.InputsRead & VARYING_BIT_POS) {
key->drawable_height = ctx->DrawBuffer->Height;
- key->render_to_fbo = ctx->DrawBuffer->Name != 0;
+ }
+
+ if ((fp->program.Base.InputsRead & VARYING_BIT_POS) || program_uses_dfdy) {
+ key->render_to_fbo = _mesa_is_user_fbo(ctx->DrawBuffer);
}
/* _NEW_BUFFERS */
key->nr_color_regions = ctx->DrawBuffer->_NumColorDrawBuffers;
- /* CACHE_NEW_VS_PROG */
- key->vp_outputs_written = brw->vs.prog_data->outputs_written;
+ /* _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;
+
+ key->compute_pos_offset =
+ _mesa_get_min_invocations_per_fragment(ctx, &fp->program, false) > 1 &&
+ fp->program.Base.SystemValuesRead & SYSTEM_BIT_SAMPLE_POS;
+
+ key->compute_sample_id =
+ multisample_fbo &&
+ ctx->Multisample.Enabled &&
+ (fp->program.Base.SystemValuesRead & SYSTEM_BIT_SAMPLE_ID);
+
+ /* BRW_NEW_VUE_MAP_GEOM_OUT */
+ if (brw->gen < 6 || _mesa_bitcount_64(fp->program.Base.InputsRead &
+ 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
+ * target's alpha to do alpha test, as opposed to render target 0's alpha
+ * 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 && 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;
}
-static void brw_prepare_wm_prog(struct brw_context *brw)
+static void
+brw_upload_wm_prog(struct brw_context *brw)
{
- struct intel_context *intel = &brw->intel;
- struct gl_context *ctx = &intel->ctx;
+ struct gl_context *ctx = &brw->ctx;
struct brw_wm_prog_key key;
struct brw_fragment_program *fp = (struct brw_fragment_program *)
brw->fragment_program;
if (!brw_search_cache(&brw->cache, BRW_WM_PROG,
&key, sizeof(key),
- &brw->wm.prog_offset, &brw->wm.prog_data)) {
- bool success = do_wm_prog(brw, ctx->Shader.CurrentFragmentProgram, fp,
+ &brw->wm.base.prog_offset, &brw->wm.prog_data)) {
+ bool success = do_wm_prog(brw, ctx->Shader._CurrentFragmentProgram, fp,
&key);
+ (void) success;
assert(success);
}
+ brw->wm.base.prog_data = &brw->wm.prog_data->base;
}
_NEW_STENCIL |
_NEW_POLYGON |
_NEW_LINE |
+ _NEW_HINT |
_NEW_LIGHT |
_NEW_FRAG_CLAMP |
_NEW_BUFFERS |
- _NEW_TEXTURE),
+ _NEW_TEXTURE |
+ _NEW_MULTISAMPLE),
.brw = (BRW_NEW_FRAGMENT_PROGRAM |
- BRW_NEW_WM_INPUT_DIMENSIONS |
- BRW_NEW_REDUCED_PRIMITIVE),
- .cache = CACHE_NEW_VS_PROG,
+ BRW_NEW_REDUCED_PRIMITIVE |
+ BRW_NEW_VUE_MAP_GEOM_OUT |
+ BRW_NEW_STATS_WM)
},
- .prepare = brw_prepare_wm_prog
+ .emit = brw_upload_wm_prog
};
projects / mesa.git / blobdiff