diff options
Diffstat (limited to 'src/mesa/main/extensions.c')
-rw-r--r-- | src/mesa/main/extensions.c | 78 |
1 files changed, 69 insertions, 9 deletions
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c index 2138bfe40ef..5fc0b1cfde2 100644 --- a/src/mesa/main/extensions.c +++ b/src/mesa/main/extensions.c @@ -103,6 +103,7 @@ static const struct { { OFF, "GL_EXT_convolution", F(EXT_convolution) }, { ON, "GL_EXT_copy_texture", F(EXT_copy_texture) }, { OFF, "GL_EXT_depth_bounds_test", F(EXT_depth_bounds_test) }, + { OFF, "GL_EXT_draw_buffers2", F(EXT_draw_buffers2) }, { ON, "GL_EXT_draw_range_elements", F(EXT_draw_range_elements) }, { OFF, "GL_EXT_framebuffer_blit", F(EXT_framebuffer_blit) }, { OFF, "GL_EXT_framebuffer_multisample", F(EXT_framebuffer_multisample) }, @@ -166,6 +167,7 @@ static const struct { { OFF, "GL_MESA_ycbcr_texture", F(MESA_ycbcr_texture) }, { ON, "GL_MESA_window_pos", F(ARB_window_pos) }, { OFF, "GL_NV_blend_square", F(NV_blend_square) }, + { OFF, "GL_NV_conditional_render", F(NV_conditional_render) }, { OFF, "GL_NV_depth_clamp", F(ARB_depth_clamp) }, { OFF, "GL_NV_fragment_program", F(NV_fragment_program) }, { OFF, "GL_NV_fragment_program_option", F(NV_fragment_program_option) }, @@ -269,6 +271,7 @@ _mesa_enable_sw_extensions(GLcontext *ctx) ctx->Extensions.EXT_blend_subtract = GL_TRUE; ctx->Extensions.EXT_convolution = GL_TRUE; ctx->Extensions.EXT_depth_bounds_test = GL_TRUE; + ctx->Extensions.EXT_draw_buffers2 = GL_TRUE; ctx->Extensions.EXT_fog_coord = GL_TRUE; #if FEATURE_EXT_framebuffer_object ctx->Extensions.EXT_framebuffer_object = GL_TRUE; @@ -309,6 +312,7 @@ _mesa_enable_sw_extensions(GLcontext *ctx) ctx->Extensions.MESA_texture_array = GL_TRUE; ctx->Extensions.MESA_ycbcr_texture = GL_TRUE; ctx->Extensions.NV_blend_square = GL_TRUE; + ctx->Extensions.NV_conditional_render = GL_TRUE; /*ctx->Extensions.NV_light_max_exponent = GL_TRUE;*/ ctx->Extensions.NV_point_sprite = GL_TRUE; ctx->Extensions.NV_texture_env_combine4 = GL_TRUE; @@ -523,19 +527,33 @@ _mesa_disable_extension( GLcontext *ctx, const char *name ) /** + * Check if the i-th extension is enabled. + */ +static GLboolean +extension_enabled(GLcontext *ctx, GLuint index) +{ + const GLboolean *base = (const GLboolean *) &ctx->Extensions; + if (!default_extensions[index].flag_offset || + *(base + default_extensions[index].flag_offset)) { + return GL_TRUE; + } + else { + return GL_FALSE; + } +} + + +/** * Test if the named extension is enabled in this context. */ GLboolean _mesa_extension_is_enabled( GLcontext *ctx, const char *name ) { - const GLboolean *base = (const GLboolean *) &ctx->Extensions; GLuint i; for (i = 0 ; i < Elements(default_extensions) ; i++) { if (_mesa_strcmp(default_extensions[i].name, name) == 0) { - if (!default_extensions[i].flag_offset) - return GL_TRUE; - return *(base + default_extensions[i].flag_offset); + return extension_enabled(ctx, i); } } return GL_FALSE; @@ -643,7 +661,6 @@ _mesa_init_extensions( GLcontext *ctx ) GLubyte * _mesa_make_extension_string( GLcontext *ctx ) { - const GLboolean *base = (const GLboolean *) &ctx->Extensions; const char *extraExt = get_extension_override(ctx); GLuint extStrLen = 0; char *s; @@ -651,8 +668,7 @@ _mesa_make_extension_string( GLcontext *ctx ) /* first, compute length of the extension string */ for (i = 0 ; i < Elements(default_extensions) ; i++) { - if (!default_extensions[i].flag_offset || - *(base + default_extensions[i].flag_offset)) { + if (extension_enabled(ctx, i)) { extStrLen += (GLuint)_mesa_strlen(default_extensions[i].name) + 1; } } @@ -668,8 +684,7 @@ _mesa_make_extension_string( GLcontext *ctx ) /* second, build the extension string */ extStrLen = 0; for (i = 0 ; i < Elements(default_extensions) ; i++) { - if (!default_extensions[i].flag_offset || - *(base + default_extensions[i].flag_offset)) { + if (extension_enabled(ctx, i)) { GLuint len = (GLuint)_mesa_strlen(default_extensions[i].name); _mesa_memcpy(s + extStrLen, default_extensions[i].name, len); extStrLen += len; @@ -688,3 +703,48 @@ _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; +} + + +/** + * Return name of i-th enabled extension + */ +const GLubyte * +_mesa_get_enabled_extension(GLcontext *ctx, GLuint index) +{ + GLuint i; + + for (i = 0; i < Elements(default_extensions); i++) { + if (extension_enabled(ctx, i)) { + if (index == 0) + return (const GLubyte *) default_extensions[i].name; + index--; + } + } + + return NULL; +} |