From 601a5195ebab77220c4d1447c3e734bc5f769e7a Mon Sep 17 00:00:00 2001 From: Ilia Mirkin Date: Tue, 24 May 2016 19:57:47 -0400 Subject: glsl: add GL_EXT_clip_cull_distance define, add helpers Signed-off-by: Ilia Mirkin Reviewed-by: Tobias Klausmann --- src/compiler/glsl/builtin_variables.cpp | 10 ++++------ src/compiler/glsl/glcpp/glcpp-parse.y | 2 ++ src/compiler/glsl/glsl_parser_extras.h | 12 ++++++++++++ 3 files changed, 18 insertions(+), 6 deletions(-) (limited to 'src/compiler') diff --git a/src/compiler/glsl/builtin_variables.cpp b/src/compiler/glsl/builtin_variables.cpp index c6668e86517..d8b6f6edf97 100644 --- a/src/compiler/glsl/builtin_variables.cpp +++ b/src/compiler/glsl/builtin_variables.cpp @@ -674,14 +674,13 @@ builtin_variable_generator::generate_constants() state->Const.MaxProgramTexelOffset); } - if (state->is_version(130, 0) || state->EXT_clip_cull_distance_enable) { + if (state->has_clip_distance()) { add_const("gl_MaxClipDistances", state->Const.MaxClipPlanes); } if (state->is_version(130, 0)) { add_const("gl_MaxVaryingComponents", state->ctx->Const.MaxVarying * 4); } - if (state->is_version(450, 0) || state->ARB_cull_distance_enable || - state->EXT_clip_cull_distance_enable) { + if (state->has_cull_distance()) { add_const("gl_MaxCullDistances", state->Const.MaxClipPlanes); add_const("gl_MaxCombinedClipAndCullDistances", state->Const.MaxClipPlanes); @@ -1253,12 +1252,11 @@ builtin_variable_generator::generate_varyings() } } - if (state->is_version(130, 0) || state->EXT_clip_cull_distance_enable) { + if (state->has_clip_distance()) { add_varying(VARYING_SLOT_CLIP_DIST0, array(float_t, 0), "gl_ClipDistance"); } - if (state->is_version(450, 0) || state->ARB_cull_distance_enable || - state->EXT_clip_cull_distance_enable) { + if (state->has_cull_distance()) { add_varying(VARYING_SLOT_CULL_DIST0, array(float_t, 0), "gl_CullDistance"); } diff --git a/src/compiler/glsl/glcpp/glcpp-parse.y b/src/compiler/glsl/glcpp/glcpp-parse.y index e44f0749e85..ee0d8f1942f 100644 --- a/src/compiler/glsl/glcpp/glcpp-parse.y +++ b/src/compiler/glsl/glcpp/glcpp-parse.y @@ -2310,6 +2310,8 @@ _glcpp_parser_handle_version_declaration(glcpp_parser_t *parser, intmax_t versio add_builtin_define(parser, "GL_OES_texture_storage_multisample_2d_array", 1); if (extensions->ARB_blend_func_extended) add_builtin_define(parser, "GL_EXT_blend_func_extended", 1); + if (extensions->ARB_cull_distance) + add_builtin_define(parser, "GL_EXT_clip_cull_distance", 1); if (version >= 310) { if (extensions->ARB_shader_image_load_store) diff --git a/src/compiler/glsl/glsl_parser_extras.h b/src/compiler/glsl/glsl_parser_extras.h index 3ae3c82a70d..0c8405d02fc 100644 --- a/src/compiler/glsl/glsl_parser_extras.h +++ b/src/compiler/glsl/glsl_parser_extras.h @@ -270,6 +270,18 @@ struct _mesa_glsl_parse_state { return OES_geometry_shader_enable || is_version(150, 320); } + bool has_clip_distance() const + { + return EXT_clip_cull_distance_enable || is_version(130, 0); + } + + bool has_cull_distance() const + { + return EXT_clip_cull_distance_enable || + ARB_cull_distance_enable || + is_version(450, 0); + } + void process_version_directive(YYLTYPE *locp, int version, const char *ident); -- cgit v1.2.3