Mesa (master): glsl: add scaffolding for EXT_gpu_shader4

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Module: Mesa
Branch: master
Commit: 8740726e469c21850e0ccdf560b1e9eb044ebca9
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=8740726e469c21850e0ccdf560b1e9eb044ebca9

Author: Chris Forbes <chrisf at ijw.co.nz>
Date:   Thu Jul 18 21:44:58 2013 +1200

glsl: add scaffolding for EXT_gpu_shader4

Reviewed-by: Timothy Arceri <tarceri at itsqueeze.com>
Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>
Tested-by: Dieter Nützel <Dieter at nuetzel-hh.de>
Reviewed-by: Eric Anholt <eric at anholt.net>

---

 src/compiler/glsl/glsl_parser_extras.cpp     | 1 +
 src/compiler/glsl/glsl_parser_extras.h       | 2 ++
 src/compiler/glsl/standalone_scaffolding.cpp | 1 +
 3 files changed, 4 insertions(+)

diff --git a/src/compiler/glsl/glsl_parser_extras.cpp b/src/compiler/glsl/glsl_parser_extras.cpp
index b30c638cdc9..d99ab3d46ce 100644
--- a/src/compiler/glsl/glsl_parser_extras.cpp
+++ b/src/compiler/glsl/glsl_parser_extras.cpp
@@ -716,6 +716,7 @@ static const _mesa_glsl_extension _mesa_glsl_supported_extensions[] = {
    EXT(EXT_clip_cull_distance),
    EXT(EXT_geometry_point_size),
    EXT_AEP(EXT_geometry_shader),
+   EXT(EXT_gpu_shader4),
    EXT_AEP(EXT_gpu_shader5),
    EXT_AEP(EXT_primitive_bounding_box),
    EXT(EXT_separate_shader_objects),
diff --git a/src/compiler/glsl/glsl_parser_extras.h b/src/compiler/glsl/glsl_parser_extras.h
index edc6fc06c77..3294838db4f 100644
--- a/src/compiler/glsl/glsl_parser_extras.h
+++ b/src/compiler/glsl/glsl_parser_extras.h
@@ -817,6 +817,8 @@ struct _mesa_glsl_parse_state {
    bool EXT_geometry_point_size_warn;
    bool EXT_geometry_shader_enable;
    bool EXT_geometry_shader_warn;
+   bool EXT_gpu_shader4_enable;
+   bool EXT_gpu_shader4_warn;
    bool EXT_gpu_shader5_enable;
    bool EXT_gpu_shader5_warn;
    bool EXT_primitive_bounding_box_enable;
diff --git a/src/compiler/glsl/standalone_scaffolding.cpp b/src/compiler/glsl/standalone_scaffolding.cpp
index b80054a4707..a88696f89d1 100644
--- a/src/compiler/glsl/standalone_scaffolding.cpp
+++ b/src/compiler/glsl/standalone_scaffolding.cpp
@@ -219,6 +219,7 @@ void initialize_context_to_defaults(struct gl_context *ctx, gl_api api)
    ctx->Extensions.OES_EGL_image_external = true;
    ctx->Extensions.OES_standard_derivatives = true;
 
+   ctx->Extensions.EXT_gpu_shader4 = true;
    ctx->Extensions.EXT_shader_integer_mix = true;
    ctx->Extensions.EXT_texture_array = true;