diff options
author | Lionel Landwerlin <[email protected]> | 2016-11-30 14:47:41 +0000 |
---|---|---|
committer | Lionel Landwerlin <[email protected]> | 2016-12-07 11:02:16 +0000 |
commit | 039d836d6ea5621ede88ff3504be841a6dd865c6 (patch) | |
tree | b3a34fad43bb1cb7b85b5641ce02fbcc6673a772 /src/compiler/glsl | |
parent | 0ff74a8990d9fe37365beb35ed8abacfbf3ed567 (diff) |
mesa: add support for GL_INTEL_conservative_rasterization
Signed-off-by: Lionel Landwerlin <[email protected]>
Reviewed-by: Chris Forbes <[email protected]>
Diffstat (limited to 'src/compiler/glsl')
-rw-r--r-- | src/compiler/glsl/ast.h | 5 | ||||
-rw-r--r-- | src/compiler/glsl/ast_to_hir.cpp | 5 | ||||
-rw-r--r-- | src/compiler/glsl/ast_type.cpp | 16 | ||||
-rw-r--r-- | src/compiler/glsl/glsl_parser.yy | 34 | ||||
-rw-r--r-- | src/compiler/glsl/glsl_parser_extras.cpp | 4 | ||||
-rw-r--r-- | src/compiler/glsl/glsl_parser_extras.h | 4 | ||||
-rw-r--r-- | src/compiler/glsl/linker.cpp | 3 |
7 files changed, 64 insertions, 7 deletions
diff --git a/src/compiler/glsl/ast.h b/src/compiler/glsl/ast.h index df3a744de9c..0e32c36528e 100644 --- a/src/compiler/glsl/ast.h +++ b/src/compiler/glsl/ast.h @@ -610,6 +610,11 @@ struct ast_type_qualifier { * Flag set if GL_ARB_post_depth_coverage layout qualifier is used. */ unsigned post_depth_coverage:1; + /** + * Flag set if GL_INTEL_conservartive_rasterization layout qualifier + * is used. + */ + unsigned inner_coverage:1; } /** \brief Set of flags, accessed by name. */ q; diff --git a/src/compiler/glsl/ast_to_hir.cpp b/src/compiler/glsl/ast_to_hir.cpp index 2434ce57505..1e14d27f5f0 100644 --- a/src/compiler/glsl/ast_to_hir.cpp +++ b/src/compiler/glsl/ast_to_hir.cpp @@ -3633,6 +3633,11 @@ apply_layout_qualifier_to_variable(const struct ast_type_qualifier *qual, "valid in fragment shader input layout declaration."); } + if (qual->flags.q.inner_coverage) { + _mesa_glsl_error(loc, state, "inner_coverage layout qualifier only " + "valid in fragment shader input layout declaration."); + } + if (qual->flags.q.post_depth_coverage) { _mesa_glsl_error(loc, state, "post_depth_coverage layout qualifier only " "valid in fragment shader input layout declaration."); diff --git a/src/compiler/glsl/ast_type.cpp b/src/compiler/glsl/ast_type.cpp index aa1ae7e4849..d68e6e2916f 100644 --- a/src/compiler/glsl/ast_type.cpp +++ b/src/compiler/glsl/ast_type.cpp @@ -579,6 +579,7 @@ ast_type_qualifier::validate_in_qualifier(YYLTYPE *loc, break; case MESA_SHADER_FRAGMENT: valid_in_mask.flags.q.early_fragment_tests = 1; + valid_in_mask.flags.q.inner_coverage = 1; valid_in_mask.flags.q.post_depth_coverage = 1; break; case MESA_SHADER_COMPUTE: @@ -634,11 +635,23 @@ ast_type_qualifier::merge_into_in_qualifier(YYLTYPE *loc, state->in_qualifier->flags.q.early_fragment_tests = false; } + if (state->in_qualifier->flags.q.inner_coverage) { + state->fs_inner_coverage = true; + state->in_qualifier->flags.q.inner_coverage = false; + } + if (state->in_qualifier->flags.q.post_depth_coverage) { state->fs_post_depth_coverage = true; state->in_qualifier->flags.q.post_depth_coverage = false; } + if (state->fs_inner_coverage && state->fs_post_depth_coverage) { + _mesa_glsl_error(loc, state, + "inner_coverage & post_depth_coverage layout qualifiers " + "are mutally exclusives"); + r = false; + } + /* We allow the creation of multiple cs_input_layout nodes. Coherence among * all existing nodes is checked later, when the AST node is transformed * into HIR. @@ -707,7 +720,7 @@ ast_type_qualifier::validate_flags(YYLTYPE *loc, "%s '%s':" "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s" "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s" - "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", + "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", message, name, bad.flags.q.invariant ? " invariant" : "", bad.flags.q.precise ? " precise" : "", @@ -768,6 +781,7 @@ ast_type_qualifier::validate_flags(YYLTYPE *loc, bad.flags.q.vertices ? " vertices" : "", bad.flags.q.subroutine ? " subroutine" : "", bad.flags.q.subroutine_def ? " subroutine_def" : "", + bad.flags.q.inner_coverage ? " inner_coverage" : "", bad.flags.q.post_depth_coverage ? " post_depth_coverage" : ""); return false; } diff --git a/src/compiler/glsl/glsl_parser.yy b/src/compiler/glsl/glsl_parser.yy index 09b7e79c40b..e3893d5ec3b 100644 --- a/src/compiler/glsl/glsl_parser.yy +++ b/src/compiler/glsl/glsl_parser.yy @@ -1372,9 +1372,10 @@ layout_qualifier_id: } } } + } - if (!$$.flags.i && - match_layout_qualifier($1, "early_fragment_tests", state) == 0) { + if (!$$.flags.i) { + if (match_layout_qualifier($1, "early_fragment_tests", state) == 0) { /* From section 4.4.1.3 of the GLSL 4.50 specification * (Fragment Shader Inputs): * @@ -1393,15 +1394,32 @@ layout_qualifier_id: $$.flags.q.early_fragment_tests = 1; } - if (!$$.flags.i && - match_layout_qualifier($1, "post_depth_coverage", state) == 0) { + if (match_layout_qualifier($1, "inner_coverage", state) == 0) { + if (state->stage != MESA_SHADER_FRAGMENT) { + _mesa_glsl_error(& @1, state, + "inner_coverage layout qualifier only " + "valid in fragment shaders"); + } + + if (state->INTEL_conservative_rasterization_enable) { + $$.flags.q.inner_coverage = 1; + } else { + _mesa_glsl_error(& @1, state, + "inner_coverage layout qualifier present, " + "but the INTEL_conservative_rasterization extension " + "is not enabled."); + } + } + + if (match_layout_qualifier($1, "post_depth_coverage", state) == 0) { if (state->stage != MESA_SHADER_FRAGMENT) { _mesa_glsl_error(& @1, state, "post_depth_coverage layout qualifier only " "valid in fragment shaders"); } - if (state->ARB_post_depth_coverage_enable) { + if (state->ARB_post_depth_coverage_enable || + state->INTEL_conservative_rasterization_enable) { $$.flags.q.post_depth_coverage = 1; } else { _mesa_glsl_error(& @1, state, @@ -1410,6 +1428,12 @@ layout_qualifier_id: "is not enabled."); } } + + if ($$.flags.q.post_depth_coverage && $$.flags.q.inner_coverage) { + _mesa_glsl_error(& @1, state, + "post_depth_coverage & inner_coverage layout qualifiers " + "are mutually exclusive"); + } } /* Layout qualifiers for tessellation evaluation shaders. */ diff --git a/src/compiler/glsl/glsl_parser_extras.cpp b/src/compiler/glsl/glsl_parser_extras.cpp index d1fc98dd14e..14b71539eb7 100644 --- a/src/compiler/glsl/glsl_parser_extras.cpp +++ b/src/compiler/glsl/glsl_parser_extras.cpp @@ -293,6 +293,7 @@ _mesa_glsl_parse_state::_mesa_glsl_parse_state(struct gl_context *_ctx, this->in_qualifier = new(this) ast_type_qualifier(); this->out_qualifier = new(this) ast_type_qualifier(); this->fs_early_fragment_tests = false; + this->fs_inner_coverage = false; this->fs_post_depth_coverage = false; this->fs_blend_support = 0; memset(this->atomic_counter_offsets, 0, @@ -687,6 +688,7 @@ static const _mesa_glsl_extension _mesa_glsl_supported_extensions[] = { EXT(EXT_texture_array), EXT_AEP(EXT_texture_buffer), EXT_AEP(EXT_texture_cube_map_array), + EXT(INTEL_conservative_rasterization), EXT(MESA_shader_integer_functions), EXT(NV_image_formats), }; @@ -1692,6 +1694,7 @@ set_shader_inout_layout(struct gl_shader *shader, assert(!state->fs_pixel_center_integer); assert(!state->fs_origin_upper_left); assert(!state->fs_early_fragment_tests); + assert(!state->fs_inner_coverage); assert(!state->fs_post_depth_coverage); } @@ -1813,6 +1816,7 @@ set_shader_inout_layout(struct gl_shader *shader, shader->info.ARB_fragment_coord_conventions_enable = state->ARB_fragment_coord_conventions_enable; shader->info.EarlyFragmentTests = state->fs_early_fragment_tests; + shader->info.InnerCoverage = state->fs_inner_coverage; shader->info.PostDepthCoverage = state->fs_post_depth_coverage; shader->info.BlendSupport = state->fs_blend_support; break; diff --git a/src/compiler/glsl/glsl_parser_extras.h b/src/compiler/glsl/glsl_parser_extras.h index 4277d43aa72..d6fc37777e4 100644 --- a/src/compiler/glsl/glsl_parser_extras.h +++ b/src/compiler/glsl/glsl_parser_extras.h @@ -761,6 +761,8 @@ struct _mesa_glsl_parse_state { bool EXT_texture_buffer_warn; bool EXT_texture_cube_map_array_enable; bool EXT_texture_cube_map_array_warn; + bool INTEL_conservative_rasterization_enable; + bool INTEL_conservative_rasterization_warn; bool MESA_shader_framebuffer_fetch_enable; bool MESA_shader_framebuffer_fetch_warn; bool MESA_shader_framebuffer_fetch_non_coherent_enable; @@ -788,6 +790,8 @@ struct _mesa_glsl_parse_state { bool fs_early_fragment_tests; + bool fs_inner_coverage; + bool fs_post_depth_coverage; unsigned fs_blend_support; diff --git a/src/compiler/glsl/linker.cpp b/src/compiler/glsl/linker.cpp index f650752fad4..366025748d0 100644 --- a/src/compiler/glsl/linker.cpp +++ b/src/compiler/glsl/linker.cpp @@ -1889,7 +1889,8 @@ link_fs_inout_layout_qualifiers(struct gl_shader_program *prog, linked_shader->info.EarlyFragmentTests |= shader->info.EarlyFragmentTests; - + linked_shader->info.InnerCoverage |= + shader->info.InnerCoverage; linked_shader->Program->info.fs.post_depth_coverage |= shader->info.PostDepthCoverage; |