Mesa (master): glsl: add EXT_blend_func_extended parser enables

[Ilia Mirkin]

Module: Mesa
Branch: master
Commit: ceecb0876f1479661e561520c7e3561fd051720a
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ceecb0876f1479661e561520c7e3561fd051720a

Author: Ryan Houdek <Sonicadvance1 at gmail.com>
Date:   Thu Nov  5 10:53:40 2015 -0600

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 at intel.com>
Reviewed-by: Ilia Mirkin <imirkin at alum.mit.edu>

---

 src/glsl/glsl_parser_extras.cpp |    3 +++
 src/glsl/glsl_parser_extras.h   |    5 +++++
 2 files changed, 8 insertions(+)

diff --git a/src/glsl/glsl_parser_extras.cpp b/src/glsl/glsl_parser_extras.cpp
index 3ed1168..8fb05fa 100644
--- 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 1d8c1b8..17f8490 100644
--- 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;