diff options
| -rw-r--r-- | src/mesa/main/extensions.c | 25 | ||||
| -rw-r--r-- | src/mesa/main/extensions.h | 4 | ||||
| -rw-r--r-- | src/mesa/main/get.c | 12 | ||||
| -rw-r--r-- | src/mesa/main/get_gen.py | 3 | ||||
| -rw-r--r-- | src/mesa/main/mtypes.h | 2 |
5 files changed, 46 insertions, 0 deletions
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c index a1561b4065b..88c025ee326 100644 --- a/src/mesa/main/extensions.c +++ b/src/mesa/main/extensions.c @@ -700,3 +700,28 @@ _mesa_make_extension_string( GLcontext *ctx ) return (GLubyte *) s; } + + +/** + * Return number of enabled extensions. + */ +GLuint +_mesa_get_extension_count(GLcontext *ctx) +{ + GLuint i; + + /* only count once */ + if (!ctx->Extensions.Count) { + for (i = 0; i < Elements(default_extensions); i++) { + if (extension_enabled(ctx, i)) { + ctx->Extensions.Count++; + } + } + } + + if (0) + _mesa_debug(ctx, "%u of %d extensions enabled\n", ctx->Extensions.Count, + Elements(default_extensions)); + + return ctx->Extensions.Count; +} diff --git a/src/mesa/main/extensions.h b/src/mesa/main/extensions.h index 05ad859a27e..194c2efa40b 100644 --- a/src/mesa/main/extensions.h +++ b/src/mesa/main/extensions.h @@ -64,6 +64,10 @@ extern void _mesa_init_extensions(GLcontext *ctx); extern GLubyte *_mesa_make_extension_string(GLcontext *ctx); +extern GLuint +_mesa_get_extension_count(GLcontext *ctx); + + #else /** No-op */ diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c index 99478f0ec43..618b5411cc9 100644 --- a/src/mesa/main/get.c +++ b/src/mesa/main/get.c @@ -1899,6 +1899,9 @@ _mesa_GetBooleanv( GLenum pname, GLboolean *params ) CHECK_EXT1(ARB_sync, "GetBooleanv"); params[0] = INT64_TO_BOOLEAN(ctx->Const.MaxServerWaitTimeout); break; + case GL_NUM_EXTENSIONS: + params[0] = INT_TO_BOOLEAN(_mesa_get_extension_count(ctx)); + break; default: _mesa_error(ctx, GL_INVALID_ENUM, "glGetBooleanv(pname=0x%x)", pname); } @@ -3734,6 +3737,9 @@ _mesa_GetFloatv( GLenum pname, GLfloat *params ) CHECK_EXT1(ARB_sync, "GetFloatv"); params[0] = (GLfloat)(ctx->Const.MaxServerWaitTimeout); break; + case GL_NUM_EXTENSIONS: + params[0] = (GLfloat)(_mesa_get_extension_count(ctx)); + break; default: _mesa_error(ctx, GL_INVALID_ENUM, "glGetFloatv(pname=0x%x)", pname); } @@ -5569,6 +5575,9 @@ _mesa_GetIntegerv( GLenum pname, GLint *params ) CHECK_EXT1(ARB_sync, "GetIntegerv"); params[0] = INT64_TO_INT(ctx->Const.MaxServerWaitTimeout); break; + case GL_NUM_EXTENSIONS: + params[0] = _mesa_get_extension_count(ctx); + break; default: _mesa_error(ctx, GL_INVALID_ENUM, "glGetIntegerv(pname=0x%x)", pname); } @@ -7405,6 +7414,9 @@ _mesa_GetInteger64v( GLenum pname, GLint64 *params ) CHECK_EXT1(ARB_sync, "GetInteger64v"); params[0] = ctx->Const.MaxServerWaitTimeout; break; + case GL_NUM_EXTENSIONS: + params[0] = (GLint64)(_mesa_get_extension_count(ctx)); + break; default: _mesa_error(ctx, GL_INVALID_ENUM, "glGetInteger64v(pname=0x%x)", pname); } diff --git a/src/mesa/main/get_gen.py b/src/mesa/main/get_gen.py index 82eacf03146..7540661187f 100644 --- a/src/mesa/main/get_gen.py +++ b/src/mesa/main/get_gen.py @@ -1030,6 +1030,9 @@ StateVars = [ # GL_ARB_sync ( "GL_MAX_SERVER_WAIT_TIMEOUT", GLint64, ["ctx->Const.MaxServerWaitTimeout"], "", ["ARB_sync"] ), + + # GL3 + ( "GL_NUM_EXTENSIONS", GLint, ["_mesa_get_extension_count(ctx)"], "", None ), ] diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index 3a48c8bf009..849d1689c35 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -2512,6 +2512,8 @@ struct gl_extensions GLboolean S3_s3tc; /** The extension string */ const GLubyte *String; + /** Number of supported extensions */ + GLuint Count; }; |