From 06c56f443aa1850b2651df3636c42a8740cff847 Mon Sep 17 00:00:00 2001 From: Ian Romanick Date: Tue, 17 Nov 2015 16:59:40 -0800 Subject: glsl: Add textureSamplesIdenticalEXT built-in functions Signed-off-by: Ian Romanick Reviewed-by: Kenneth Graunke Reviewed-by: Chris Forbes --- src/glsl/builtin_functions.cpp | 44 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) (limited to 'src/glsl') diff --git a/src/glsl/builtin_functions.cpp b/src/glsl/builtin_functions.cpp index 1824b831f28..881ee2b6b55 100644 --- a/src/glsl/builtin_functions.cpp +++ b/src/glsl/builtin_functions.cpp @@ -289,6 +289,20 @@ texture_multisample_array(const _mesa_glsl_parse_state *state) state->OES_texture_storage_multisample_2d_array_enable; } +static bool +texture_samples_identical(const _mesa_glsl_parse_state *state) +{ + return texture_multisample(state) && + state->EXT_shader_samples_identical_enable; +} + +static bool +texture_samples_identical_array(const _mesa_glsl_parse_state *state) +{ + return texture_multisample_array(state) && + state->EXT_shader_samples_identical_enable; +} + static bool fs_texture_cube_map_array(const _mesa_glsl_parse_state *state) { @@ -724,6 +738,7 @@ private: BA2(textureQueryLod); B1(textureQueryLevels); + BA2(textureSamplesIdentical); B1(dFdx); B1(dFdy); B1(fwidth); @@ -2210,6 +2225,16 @@ builtin_builder::create_builtins() NULL); + add_function("textureSamplesIdenticalEXT", + _textureSamplesIdentical(texture_samples_identical, glsl_type::sampler2DMS_type, glsl_type::ivec2_type), + _textureSamplesIdentical(texture_samples_identical, glsl_type::isampler2DMS_type, glsl_type::ivec2_type), + _textureSamplesIdentical(texture_samples_identical, glsl_type::usampler2DMS_type, glsl_type::ivec2_type), + + _textureSamplesIdentical(texture_samples_identical_array, glsl_type::sampler2DMSArray_type, glsl_type::ivec3_type), + _textureSamplesIdentical(texture_samples_identical_array, glsl_type::isampler2DMSArray_type, glsl_type::ivec3_type), + _textureSamplesIdentical(texture_samples_identical_array, glsl_type::usampler2DMSArray_type, glsl_type::ivec3_type), + NULL); + add_function("texture1D", _texture(ir_tex, v110, glsl_type::vec4_type, glsl_type::sampler1D_type, glsl_type::float_type), _texture(ir_txb, v110_fs_only, glsl_type::vec4_type, glsl_type::sampler1D_type, glsl_type::float_type), @@ -4684,6 +4709,25 @@ builtin_builder::_textureQueryLevels(const glsl_type *sampler_type) return sig; } +ir_function_signature * +builtin_builder::_textureSamplesIdentical(builtin_available_predicate avail, + const glsl_type *sampler_type, + const glsl_type *coord_type) +{ + ir_variable *s = in_var(sampler_type, "sampler"); + ir_variable *P = in_var(coord_type, "P"); + const glsl_type *return_type = glsl_type::bool_type; + MAKE_SIG(return_type, avail, 2, s, P); + + ir_texture *tex = new(mem_ctx) ir_texture(ir_samples_identical); + tex->coordinate = var_ref(P); + tex->set_sampler(var_ref(s), return_type); + + body.emit(ret(tex)); + + return sig; +} + UNOP(dFdx, ir_unop_dFdx, fs_oes_derivatives) UNOP(dFdxCoarse, ir_unop_dFdx_coarse, fs_derivative_control) UNOP(dFdxFine, ir_unop_dFdx_fine, fs_derivative_control) -- cgit v1.2.3