glsl: add EXT_blend_func_extended parser enables

This adds a state for the maximum dual source draw variables available
and the variable for determining if the extension has been enabled
in the program shaders.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>

diff --git a/src/glsl/glsl_parser_extras.cpp b/src/glsl/glsl_parser_extras.cpp
index 3ed116830620521511a96a988158a1570304e0f4..8fb05fae4c143b7a5564ab7197df40b94a11350a 100644 (file)
--- a/src/glsl/glsl_parser_extras.cpp
+++ b/src/glsl/glsl_parser_extras.cpp
@@ -102,6 +102,8 @@ _mesa_glsl_parse_state::_mesa_glsl_parse_state(struct gl_context *_ctx,
 
    this->Const.MaxDrawBuffers = ctx->Const.MaxDrawBuffers;
 
+   this->Const.MaxDualSourceDrawBuffers = ctx->Const.MaxDualSourceDrawBuffers;
+
    /* 1.50 constants */
    this->Const.MaxVertexOutputComponents = ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents;
    this->Const.MaxGeometryInputComponents = ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxInputComponents;
@@ -644,6 +646,7 @@ static const _mesa_glsl_extension _mesa_glsl_supported_extensions[] = {
    EXT(AMD_shader_trinary_minmax,      true,  false,     dummy_true),
    EXT(AMD_vertex_shader_layer,        true,  false,     AMD_vertex_shader_layer),
    EXT(AMD_vertex_shader_viewport_index, true,  false,   AMD_vertex_shader_viewport_index),
+   EXT(EXT_blend_func_extended,        false,  true,     ARB_blend_func_extended),
    EXT(EXT_draw_buffers,               false,  true,     dummy_true),
    EXT(EXT_separate_shader_objects,    false, true,      dummy_true),
    EXT(EXT_shader_integer_mix,         true,  true,      EXT_shader_integer_mix),

diff --git a/src/glsl/glsl_parser_extras.h b/src/glsl/glsl_parser_extras.h
index 1d8c1b8799f640c590b978656fa6f6d2039ce355..17f8490b8daa6e2973177059d1cc9d1ccf2236b5 100644 (file)
--- a/src/glsl/glsl_parser_extras.h
+++ b/src/glsl/glsl_parser_extras.h
@@ -380,6 +380,9 @@ struct _mesa_glsl_parse_state {
       /* ARB_draw_buffers */
       unsigned MaxDrawBuffers;
 
+      /* ARB_blend_func_extended */
+      unsigned MaxDualSourceDrawBuffers;
+
       /* 3.00 ES */
       int MinProgramTexelOffset;
       int MaxProgramTexelOffset;
@@ -595,6 +598,8 @@ struct _mesa_glsl_parse_state {
    bool AMD_vertex_shader_layer_warn;
    bool AMD_vertex_shader_viewport_index_enable;
    bool AMD_vertex_shader_viewport_index_warn;
+   bool EXT_blend_func_extended_enable;
+   bool EXT_blend_func_extended_warn;
    bool EXT_draw_buffers_enable;
    bool EXT_draw_buffers_warn;
    bool EXT_separate_shader_objects_enable;