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-rw-r--r--src/mesa/main/extensions.c160
1 files changed, 72 insertions, 88 deletions
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 823c7f405e0..5cc6647af02 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -1,4 +1,4 @@
-/* $Id: extensions.c,v 1.38 2000/10/27 18:31:22 brianp Exp $ */
+/* $Id: extensions.c,v 1.39 2000/10/30 13:32:00 keithw Exp $ */
/*
* Mesa 3-D graphics library
@@ -42,102 +42,86 @@
struct extension {
struct extension *next, *prev;
GLint enabled;
+ GLboolean *flag; /* optional flag stored elsewhere */
char name[MAX_EXT_NAMELEN+1];
void (*notify)( GLcontext *, GLboolean );
};
-
-
-static struct { int enabled; const char *name; } default_extensions[] = {
- { DEFAULT_ON, "GL_ARB_imaging" },
- { DEFAULT_ON, "GL_ARB_multitexture" },
- { DEFAULT_OFF, "GL_ARB_texture_compression" },
- { DEFAULT_OFF, "GL_ARB_texture_cube_map" },
- { DEFAULT_ON, "GL_ARB_texture_env_add" },
- { ALWAYS_ENABLED, "GL_ARB_tranpose_matrix" },
- { ALWAYS_ENABLED, "GL_EXT_abgr" },
- { DEFAULT_OFF, "GL_EXT_bgra" },
- { DEFAULT_ON, "GL_EXT_blend_color" },
- { DEFAULT_ON, "GL_EXT_blend_func_separate" },
- { DEFAULT_ON, "GL_EXT_blend_logic_op" },
- { DEFAULT_ON, "GL_EXT_blend_minmax" },
- { DEFAULT_ON, "GL_EXT_blend_subtract" },
- { DEFAULT_ON, "GL_EXT_clip_volume_hint" },
- { DEFAULT_OFF, "GL_EXT_cull_vertex" },
- { DEFAULT_ON, "GL_EXT_convolution" },
- { DEFAULT_ON, "GL_EXT_compiled_vertex_array" },
- { DEFAULT_ON, "GL_EXT_fog_coord" },
- { DEFAULT_ON, "GL_EXT_histogram" },
- { DEFAULT_ON, "GL_EXT_packed_pixels" },
- { DEFAULT_ON, "GL_EXT_paletted_texture" },
- { DEFAULT_ON, "GL_EXT_point_parameters" },
- { ALWAYS_ENABLED, "GL_EXT_polygon_offset" },
- { ALWAYS_ENABLED, "GL_EXT_rescale_normal" },
- { DEFAULT_ON, "GL_EXT_secondary_color" },
- { DEFAULT_ON, "GL_EXT_shared_texture_palette" },
- { DEFAULT_ON, "GL_EXT_stencil_wrap" },
- { DEFAULT_ON, "GL_EXT_texture3D" },
- { DEFAULT_OFF, "GL_EXT_texture_compression_s3tc" },
- { DEFAULT_ON, "GL_EXT_texture_env_add" },
- { DEFAULT_OFF, "GL_EXT_texture_env_combine" },
- { ALWAYS_ENABLED, "GL_EXT_texture_object" },
- { DEFAULT_ON, "GL_EXT_texture_lod_bias" },
- { ALWAYS_ENABLED, "GL_EXT_vertex_array" },
- { DEFAULT_OFF, "GL_EXT_vertex_array_set" },
- { DEFAULT_OFF, "GL_HP_occlusion_test" },
- { DEFAULT_ON, "GL_INGR_blend_func_separate" },
- { ALWAYS_ENABLED, "GL_MESA_window_pos" },
- { ALWAYS_ENABLED, "GL_MESA_resize_buffers" },
- { DEFAULT_OFF, "GL_NV_blend_square" },
- { ALWAYS_ENABLED, "GL_NV_texgen_reflection" },
- { DEFAULT_ON, "GL_PGI_misc_hints" },
- { DEFAULT_ON, "GL_SGI_color_matrix" },
- { DEFAULT_ON, "GL_SGI_color_table" },
- { DEFAULT_ON, "GL_SGIS_pixel_texture" },
- { DEFAULT_ON, "GL_SGIS_texture_edge_clamp" },
- { DEFAULT_ON, "GL_SGIX_pixel_texture" },
- { DEFAULT_OFF, "GL_3DFX_texture_compression_FXT1" }
+#define F(x) (int)&(((struct gl_extensions *)0)->x)
+#define ON GL_TRUE
+#define OFF GL_FALSE
+
+static struct {
+ GLboolean enabled;
+ const char *name;
+ int flag_offset;
+} default_extensions[] = {
+ { ON, "GL_ARB_imaging", F(ARB_imaging) },
+ { ON, "GL_ARB_multitexture", F(ARB_multitexture) },
+ { OFF, "GL_ARB_texture_compression", F(ARB_texture_compression) },
+ { OFF, "GL_ARB_texture_cube_map", F(ARB_texture_cube_map) },
+ { ON, "GL_ARB_texture_env_add", F(ARB_texture_env_add) },
+ { ON, "GL_ARB_tranpose_matrix", 0 },
+ { ON, "GL_EXT_abgr", 0 },
+ { OFF, "GL_EXT_bgra", 0 },
+ { ON, "GL_EXT_blend_color", F(EXT_blend_color) },
+ { ON, "GL_EXT_blend_func_separate", F(EXT_blend_func_separate) },
+ { ON, "GL_EXT_blend_logic_op", F(EXT_blend_logic_op) },
+ { ON, "GL_EXT_blend_minmax", F(EXT_blend_minmax) },
+ { ON, "GL_EXT_blend_subtract", F(EXT_blend_subtract) },
+ { ON, "GL_EXT_clip_volume_hint", F(EXT_clip_volume_hint) },
+ { OFF, "GL_EXT_cull_vertex", 0 },
+ { ON, "GL_EXT_convolution", F(EXT_convolution) },
+ { ON, "GL_EXT_compiled_vertex_array", F(EXT_compiled_vertex_array) },
+ { ON, "GL_EXT_fog_coord", F(EXT_fog_coord) },
+ { ON, "GL_EXT_histogram", F(EXT_histogram) },
+ { ON, "GL_EXT_packed_pixels", F(EXT_packed_pixels) },
+ { ON, "GL_EXT_paletted_texture", F(EXT_paletted_texture) },
+ { ON, "GL_EXT_point_parameters", F(EXT_point_parameters) },
+ { ON, "GL_EXT_polygon_offset", F(EXT_polygon_offset) },
+ { ON, "GL_EXT_rescale_normal", F(EXT_rescale_normal) },
+ { ON, "GL_EXT_secondary_color", F(EXT_secondary_color) },
+ { ON, "GL_EXT_shared_texture_palette", F(EXT_shared_texture_palette) },
+ { ON, "GL_EXT_stencil_wrap", F(EXT_stencil_wrap) },
+ { ON, "GL_EXT_texture3D", F(EXT_texture3D) },
+ { OFF, "GL_EXT_texture_compression_s3tc", F(EXT_texture_compression_s3tc) },
+ { ON, "GL_EXT_texture_env_add", F(EXT_texture_env_add) },
+ { OFF, "GL_EXT_texture_env_combine", F(EXT_texture_env_combine) },
+ { ON, "GL_EXT_texture_object", F(EXT_texture_object) },
+ { ON, "GL_EXT_texture_lod_bias", F(EXT_texture_lod_bias) },
+ { ON, "GL_EXT_vertex_array", 0 },
+ { OFF, "GL_EXT_vertex_array_set", F(EXT_vertex_array_set) },
+ { OFF, "GL_HP_occlusion_test", F(HP_occlusion_test) },
+ { ON, "GL_INGR_blend_func_separate", F(INGR_blend_func_separate) },
+ { ON, "GL_MESA_window_pos", F(MESA_window_pos) },
+ { ON, "GL_MESA_resize_buffers", F(MESA_resize_buffers) },
+ { OFF, "GL_NV_blend_square", F(NV_blend_square) },
+ { ON, "GL_NV_texgen_reflection", F(NV_texgen_reflection) },
+ { ON, "GL_PGI_misc_hints", F(PGI_misc_hints) },
+ { ON, "GL_SGI_color_matrix", F(SGI_color_matrix) },
+ { ON, "GL_SGI_color_table", F(SGI_color_table) },
+ { ON, "GL_SGIS_pixel_texture", F(SGIS_pixel_texture) },
+ { ON, "GL_SGIS_texture_edge_clamp", F(SGIS_texture_edge_clamp) },
+ { ON, "GL_SGIX_pixel_texture", F(SGIX_pixel_texture) },
+ { OFF, "GL_3DFX_texture_compression_FXT1", F(_3DFX_texture_compression_FXT1) }
};
-/*
- * Update the boolean convenience flags in the Extensions struct.
- */
-static void
-update_extension_flags( GLcontext *ctx )
-{
- /* Update flags */
- ctx->Extensions.HaveBlendMinmax = gl_extension_is_enabled(ctx, "GL_EXT_blend_minmax") || gl_extension_is_enabled(ctx, "GL_ARB_imaging");
- ctx->Extensions.HaveBlendSquare = gl_extension_is_enabled(ctx, "GL_NV_blend_square");
- ctx->Extensions.HaveBlendSubtract = gl_extension_is_enabled(ctx, "GL_EXT_blend_subtract") || gl_extension_is_enabled(ctx, "GL_ARB_imaging");
- ctx->Extensions.HaveHistogram = gl_extension_is_enabled(ctx, "GL_EXT_histogram") || gl_extension_is_enabled(ctx, "GL_ARB_imaging");
- ctx->Extensions.HaveHpOcclusionTest = gl_extension_is_enabled(ctx, "GL_HP_occlusion_test");
- ctx->Extensions.HaveStencilWrap = gl_extension_is_enabled(ctx, "GL_EXT_stencil_wrap");
- ctx->Extensions.HaveTextureEnvAdd = gl_extension_is_enabled(ctx, "GL_EXT_texture_env_add") || gl_extension_is_enabled(ctx, "GL_ARB_texture_env_add");
- ctx->Extensions.HaveTextureEnvCombine = gl_extension_is_enabled(ctx, "GL_EXT_texture_env_combine");
- ctx->Extensions.HaveTextureCubeMap = gl_extension_is_enabled(ctx, "GL_ARB_texture_cube_map");
- ctx->Extensions.HaveTextureCompression = gl_extension_is_enabled(ctx, "GL_ARB_texture_compression");
- ctx->Extensions.HaveTextureCompressionFXT1 = gl_extension_is_enabled(ctx, "GL_3DFX_texture_compression_FXT1");
- ctx->Extensions.HaveTextureCompressionS3TC = gl_extension_is_enabled(ctx, "GL_EXT_texture_compression_s3tc");
- ctx->Extensions.HaveTextureLodBias = gl_extension_is_enabled(ctx, "GL_EXT_texture_lod_bias");
-}
int gl_extensions_add( GLcontext *ctx,
- int state,
+ GLboolean enabled,
const char *name,
- void (*notify)(void) )
+ GLboolean *flag_ptr )
{
- (void) notify;
-
if (ctx->Extensions.ext_string == 0)
{
struct extension *t = MALLOC_STRUCT(extension);
- t->enabled = state;
+ t->enabled = enabled;
strncpy(t->name, name, MAX_EXT_NAMELEN);
t->name[MAX_EXT_NAMELEN] = 0;
- t->notify = (void (*)(GLcontext *, GLboolean)) notify;
+ t->flag = flag_ptr;
insert_at_tail( ctx->Extensions.ext_list, t );
return 0;
}
@@ -158,13 +142,8 @@ static int set_extension( GLcontext *ctx, const char *name, GLint state )
if (i == ctx->Extensions.ext_list)
return 1;
- if (!(i->enabled & ALWAYS_ENABLED)) {
- if (i->notify) i->notify( ctx, state );
- i->enabled = state;
- }
-
- update_extension_flags(ctx);
-
+ if (i->flag) *(i->flag) = state;
+ i->enabled = state;
return 0;
}
@@ -227,18 +206,23 @@ void gl_extensions_dtr( GLcontext *ctx )
void gl_extensions_ctr( GLcontext *ctx )
{
GLuint i;
+ GLboolean *base = (GLboolean *)&ctx->Extensions;
ctx->Extensions.ext_string = 0;
ctx->Extensions.ext_list = MALLOC_STRUCT(extension);
make_empty_list( ctx->Extensions.ext_list );
for (i = 0 ; i < Elements(default_extensions) ; i++) {
+ GLboolean *ptr = 0;
+
+ if (default_extensions[i].flag_offset)
+ ptr = base + default_extensions[i].flag_offset;
+
gl_extensions_add( ctx,
default_extensions[i].enabled,
default_extensions[i].name,
- 0 );
+ ptr);
}
- update_extension_flags(ctx);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 04:19:51 +0000