[Mesa-dev] [PATCH 1/6] Scaffolding for ARB_shader_bit_encoding.
Olivier Galibert
galibert at pobox.com
Mon Apr 30 04:19:01 PDT 2012
That adds support for activating the extension. It doesn't actually
*do* anything yet, of course.
Signed-off-by: Olivier Galibert <galibert at pobox.com>
---
src/glsl/builtins/tools/generate_builtins.py | 1 +
src/glsl/glcpp/glcpp-parse.y | 3 +++
src/glsl/glsl_parser_extras.cpp | 1 +
src/glsl/glsl_parser_extras.h | 2 ++
src/glsl/standalone_scaffolding.cpp | 1 +
src/mesa/main/extensions.c | 1 +
src/mesa/main/mtypes.h | 1 +
src/mesa/main/version.c | 1 +
src/mesa/state_tracker/st_extensions.c | 4 ++++
9 files changed, 15 insertions(+)
diff --git a/src/glsl/builtins/tools/generate_builtins.py b/src/glsl/builtins/tools/generate_builtins.py
index eada4a6..86660a9 100755
--- a/src/glsl/builtins/tools/generate_builtins.py
+++ b/src/glsl/builtins/tools/generate_builtins.py
@@ -186,6 +186,7 @@ read_builtins(GLenum target, const char *protos, const char **functions, unsigne
st->ARB_texture_rectangle_enable = true;
st->EXT_texture_array_enable = true;
st->OES_EGL_image_external_enable = true;
+ st->ARB_shader_bit_encoding_enable = true;
_mesa_glsl_initialize_types(st);
sh->ir = new(sh) exec_list;
diff --git a/src/glsl/glcpp/glcpp-parse.y b/src/glsl/glcpp/glcpp-parse.y
index 47ba54d..9e8f9b2 100644
--- a/src/glsl/glcpp/glcpp-parse.y
+++ b/src/glsl/glcpp/glcpp-parse.y
@@ -1141,6 +1141,9 @@ glcpp_parser_create (const struct gl_extensions *extensions, int api)
if (extensions->OES_EGL_image_external)
add_builtin_define(parser, "GL_OES_EGL_image_external", 1);
+
+ if (extensions->ARB_shader_bit_encoding)
+ add_builtin_define(parser, "GL_ARB_shader_bit_encoding", 1);
}
language_version = 110;
diff --git a/src/glsl/glsl_parser_extras.cpp b/src/glsl/glsl_parser_extras.cpp
index ae7a365..48277c2 100644
--- a/src/glsl/glsl_parser_extras.cpp
+++ b/src/glsl/glsl_parser_extras.cpp
@@ -274,6 +274,7 @@ static const _mesa_glsl_extension _mesa_glsl_supported_extensions[] = {
EXT(AMD_shader_stencil_export, false, false, true, true, false, ARB_shader_stencil_export),
EXT(OES_texture_3D, true, false, true, false, true, EXT_texture3D),
EXT(OES_EGL_image_external, true, false, true, false, true, OES_EGL_image_external),
+ EXT(ARB_shader_bit_encoding, true, true, true, true, false, ARB_shader_bit_encoding),
};
#undef EXT
diff --git a/src/glsl/glsl_parser_extras.h b/src/glsl/glsl_parser_extras.h
index 55676f5..d9b433c 100644
--- a/src/glsl/glsl_parser_extras.h
+++ b/src/glsl/glsl_parser_extras.h
@@ -204,6 +204,8 @@ struct _mesa_glsl_parse_state {
bool OES_texture_3D_warn;
bool OES_EGL_image_external_enable;
bool OES_EGL_image_external_warn;
+ bool ARB_shader_bit_encoding_enable;
+ bool ARB_shader_bit_encoding_warn;
/*@}*/
/** Extensions supported by the OpenGL implementation. */
diff --git a/src/glsl/standalone_scaffolding.cpp b/src/glsl/standalone_scaffolding.cpp
index 24cc64a..96c0bbe 100644
--- a/src/glsl/standalone_scaffolding.cpp
+++ b/src/glsl/standalone_scaffolding.cpp
@@ -73,6 +73,7 @@ void initialize_context_to_defaults(struct gl_context *ctx, gl_api api)
ctx->Extensions.NV_texture_rectangle = true;
ctx->Extensions.EXT_texture3D = true;
ctx->Extensions.OES_EGL_image_external = true;
+ ctx->Extensions.ARB_shader_bit_encoding = true;
ctx->Const.GLSLVersion = 120;
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 5f2c74a..c1e669a 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -112,6 +112,7 @@ static const struct extension extension_table[] = {
{ "GL_ARB_robustness", o(dummy_true), GL, 2010 },
{ "GL_ARB_sampler_objects", o(ARB_sampler_objects), GL, 2009 },
{ "GL_ARB_seamless_cube_map", o(ARB_seamless_cube_map), GL, 2009 },
+ { "GL_ARB_shader_bit_encoding", o(ARB_shader_bit_encoding), GL, 2010 },
{ "GL_ARB_shader_objects", o(ARB_shader_objects), GL, 2002 },
{ "GL_ARB_shader_stencil_export", o(ARB_shader_stencil_export), GL, 2009 },
{ "GL_ARB_shader_texture_lod", o(ARB_shader_texture_lod), GL, 2009 },
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 2b709de..c9be41d 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -2879,6 +2879,7 @@ struct gl_extensions
GLboolean ARB_point_sprite;
GLboolean ARB_sampler_objects;
GLboolean ARB_seamless_cube_map;
+ GLboolean ARB_shader_bit_encoding;
GLboolean ARB_shader_objects;
GLboolean ARB_shader_stencil_export;
GLboolean ARB_shader_texture_lod;
diff --git a/src/mesa/main/version.c b/src/mesa/main/version.c
index 82cc54b..d670d4a 100644
--- a/src/mesa/main/version.c
+++ b/src/mesa/main/version.c
@@ -170,6 +170,7 @@ compute_version(struct gl_context *ctx)
ctx->Extensions.ARB_instanced_arrays &&
ctx->Extensions.ARB_occlusion_query2 &&
ctx->Extensions.ARB_sampler_objects &&
+ ctx->Extensions.ARB_shader_bit_encoding &&
ctx->Extensions.ARB_texture_rgb10_a2ui &&
ctx->Extensions.ARB_timer_query &&
ctx->Extensions.ARB_vertex_type_2_10_10_10_rev &&
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 1b4bca6..0cfe962 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -592,6 +592,10 @@ void st_init_extensions(struct st_context *st)
ctx->Extensions.S3_s3tc = GL_FALSE;
}
+ if (ctx->Const.NativeIntegers) {
+ ctx->Extensions.ARB_shader_bit_encoding = GL_TRUE;
+ }
+
if (screen->get_shader_param(screen, PIPE_SHADER_GEOMETRY,
PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0) {
#if 0 /* XXX re-enable when GLSL compiler again supports geometry shaders */
--
1.7.10.rc3.1.gb306
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