-/* $Id: extensions.c,v 1.7 1999/10/13 18:42:50 brianp Exp $ */
+/* $Id: extensions.c,v 1.21 2000/03/28 16:59:39 rjfrank Exp $ */
/*
* Mesa 3-D graphics library
- * Version: 3.1
+ * Version: 3.3
*
- * Copyright (C) 1999 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
*/
-#include <stdlib.h>
+#ifdef PC_HEADER
+#include "all.h"
+#else
+#include "glheader.h"
#include "context.h"
#include "extensions.h"
+#include "mem.h"
#include "simple_list.h"
#include "types.h"
+#endif
#define MAX_EXT_NAMELEN 80
struct extension {
struct extension *next, *prev;
- int enabled;
+ GLint enabled;
char name[MAX_EXT_NAMELEN+1];
void (*notify)( GLcontext *, GLboolean );
};
static struct { int enabled; const char *name; } default_extensions[] = {
- { ALWAYS_ENABLED, "GL_EXT_blend_color" },
+ { DEFAULT_ON, "GL_EXT_blend_color" },
{ DEFAULT_OFF, "ARB_imaging" },
{ DEFAULT_ON, "GL_EXT_blend_minmax" },
{ DEFAULT_ON, "GL_EXT_blend_logic_op" },
{ DEFAULT_ON, "GL_EXT_texture3D" },
{ ALWAYS_ENABLED, "GL_MESA_window_pos" },
{ ALWAYS_ENABLED, "GL_MESA_resize_buffers" },
- { ALWAYS_ENABLED, "GL_EXT_shared_texture_palette" },
+ { DEFAULT_ON, "GL_EXT_shared_texture_palette" },
{ ALWAYS_ENABLED, "GL_EXT_rescale_normal" },
{ ALWAYS_ENABLED, "GL_EXT_abgr" },
{ ALWAYS_ENABLED, "GL_SGIS_texture_edge_clamp" },
{ ALWAYS_ENABLED, "GL_NV_texgen_reflection" },
{ DEFAULT_ON, "GL_PGI_misc_hints" },
{ DEFAULT_ON, "GL_EXT_compiled_vertex_array" },
- { DEFAULT_OFF, "GL_EXT_vertex_array_set" },
{ DEFAULT_ON, "GL_EXT_clip_volume_hint" },
- { ALWAYS_ENABLED, "GL_EXT_get_proc_address" }
+ { DEFAULT_ON, "GL_EXT_texture_env_add" },
+ { ALWAYS_ENABLED, "GL_ARB_tranpose_matrix" },
+ { DEFAULT_OFF, "GL_EXT_vertex_array_set" },
+ { DEFAULT_OFF, "GL_EXT_texture_env" },
+ { DEFAULT_ON, "GL_EXT_texture_lod_bias" },
+ { DEFAULT_OFF, "GL_HP_occlusion_test" }
};
+/*
+ * Update the boolean convenience flags in the Extensions struct.
+ */
+static void
+update_extension_flags( GLcontext *ctx )
+{
+ /* Update flags */
+ ctx->Extensions.HaveTextureEnvAdd = gl_extension_is_enabled(ctx, "GL_EXT_texture_env_add");
+ ctx->Extensions.HaveTextureLodBias = gl_extension_is_enabled(ctx, "GL_EXT_texture_lod_bias");
+ ctx->Extensions.HaveHpOcclusionTest = gl_extension_is_enabled(ctx, "GL_HP_occlusion_test");
+}
+
+
+
int gl_extensions_add( GLcontext *ctx,
int state,
const char *name,
- void (*notify)() )
+ void (*notify)(void) )
{
(void) notify;
}
-static int set_extension( GLcontext *ctx, const char *name, GLuint state )
+/*
+ * Either enable or disable the named extension.
+ */
+static int set_extension( GLcontext *ctx, const char *name, GLint state )
{
struct extension *i;
foreach( i, ctx->Extensions.ext_list )
if (strncmp(i->name, name, MAX_EXT_NAMELEN) == 0)
break;
- if (i == ctx->Extensions.ext_list) return 1;
+ if (i == ctx->Extensions.ext_list)
+ return 1;
- if (i->enabled && !(i->enabled & ALWAYS_ENABLED))
- {
+ if (!(i->enabled & ALWAYS_ENABLED)) {
if (i->notify) i->notify( ctx, state );
i->enabled = state;
}
+ update_extension_flags(ctx);
+
return 0;
}
}
+/*
+ * Test if the named extension is enabled in this context.
+ */
+GLboolean gl_extension_is_enabled( GLcontext *ctx, const char *name)
+{
+ struct extension *i;
+ foreach( i, ctx->Extensions.ext_list )
+ if (strncmp(i->name, name, MAX_EXT_NAMELEN) == 0) {
+ if (i->enabled)
+ return GL_TRUE;
+ else
+ return GL_FALSE;
+ }
+
+ return GL_FALSE;
+}
+
+
void gl_extensions_dtr( GLcontext *ctx )
{
struct extension *i, *nexti;
default_extensions[i].name,
0 );
}
+ update_extension_flags(ctx);
}
return ctx->Extensions.ext_string;
}
-
-
-
-/*
- * Return the address of an extension function.
- * NOTE: this function could be optimized to binary search a sorted
- * list of function names.
- * Also, this function does not yet do per-context function searches.
- * Not applicable to Mesa at this time.
- */
-void (* gl_GetProcAddress( GLcontext *ctx, const GLubyte *procName ))()
-{
- struct proc {
- const char *name;
- GLfunction address;
- };
- static struct proc procTable[] = {
-#ifdef GL_EXT_get_proc_address
- { "glGetProcAddressEXT", (GLfunction) glGetProcAddressEXT }, /* me! */
-#endif
- /* OpenGL 1.1 functions */
- { "glEnableClientState", (GLfunction) glEnableClientState },
- { "glDisableClientState", (GLfunction) glDisableClientState },
- { "glPushClientAttrib", (GLfunction) glPushClientAttrib },
- { "glPopClientAttrib", (GLfunction) glPopClientAttrib },
- { "glIndexub", (GLfunction) glIndexub },
- { "glIndexubv", (GLfunction) glIndexubv },
- { "glVertexPointer", (GLfunction) glVertexPointer },
- { "glNormalPointer", (GLfunction) glNormalPointer },
- { "glColorPointer", (GLfunction) glColorPointer },
- { "glIndexPointer", (GLfunction) glIndexPointer },
- { "glTexCoordPointer", (GLfunction) glTexCoordPointer },
- { "glEdgeFlagPointer", (GLfunction) glEdgeFlagPointer },
- { "glGetPointerv", (GLfunction) glGetPointerv },
- { "glArrayElement", (GLfunction) glArrayElement },
- { "glDrawArrays", (GLfunction) glDrawArrays },
- { "glDrawElements", (GLfunction) glDrawElements },
- { "glInterleavedArrays", (GLfunction) glInterleavedArrays },
- { "glGenTextures", (GLfunction) glGenTextures },
- { "glDeleteTextures", (GLfunction) glDeleteTextures },
- { "glBindTexture", (GLfunction) glBindTexture },
- { "glPrioritizeTextures", (GLfunction) glPrioritizeTextures },
- { "glAreTexturesResident", (GLfunction) glAreTexturesResident },
- { "glIsTexture", (GLfunction) glIsTexture },
- { "glTexSubImage1D", (GLfunction) glTexSubImage1D },
- { "glTexSubImage2D", (GLfunction) glTexSubImage2D },
- { "glCopyTexImage1D", (GLfunction) glCopyTexImage1D },
- { "glCopyTexImage2D", (GLfunction) glCopyTexImage2D },
- { "glCopyTexSubImage1D", (GLfunction) glCopyTexSubImage1D },
- { "glCopyTexSubImage2D", (GLfunction) glCopyTexSubImage2D },
-
- /* OpenGL 1.2 functions */
- { "glDrawRangeElements", (GLfunction) glDrawRangeElements },
- { "glTexImage3D", (GLfunction) glTexImage3D },
- { "glTexSubImage3D", (GLfunction) glTexSubImage3D },
- { "glCopyTexSubImage3D", (GLfunction) glCopyTexSubImage3D },
- /* NOTE: 1.2 imaging subset functions not implemented in Mesa */
-
- /* GL_EXT_blend_minmax */
- { "glBlendEquationEXT", (GLfunction) glBlendEquationEXT },
-
- /* GL_EXT_blend_color */
- { "glBlendColorEXT", (GLfunction) glBlendColorEXT },
-
- /* GL_EXT_polygon_offset */
- { "glPolygonOffsetEXT", (GLfunction) glPolygonOffsetEXT },
-
- /* GL_EXT_vertex_arrays */
- { "glVertexPointerEXT", (GLfunction) glVertexPointerEXT },
- { "glNormalPointerEXT", (GLfunction) glNormalPointerEXT },
- { "glColorPointerEXT", (GLfunction) glColorPointerEXT },
- { "glIndexPointerEXT", (GLfunction) glIndexPointerEXT },
- { "glTexCoordPointerEXT", (GLfunction) glTexCoordPointerEXT },
- { "glEdgeFlagPointerEXT", (GLfunction) glEdgeFlagPointerEXT },
- { "glGetPointervEXT", (GLfunction) glGetPointervEXT },
- { "glArrayElementEXT", (GLfunction) glArrayElementEXT },
- { "glDrawArraysEXT", (GLfunction) glDrawArraysEXT },
-
- /* GL_EXT_texture_object */
- { "glGenTexturesEXT", (GLfunction) glGenTexturesEXT },
- { "glDeleteTexturesEXT", (GLfunction) glDeleteTexturesEXT },
- { "glBindTextureEXT", (GLfunction) glBindTextureEXT },
- { "glPrioritizeTexturesEXT", (GLfunction) glPrioritizeTexturesEXT },
- { "glAreTexturesResidentEXT", (GLfunction) glAreTexturesResidentEXT },
- { "glIsTextureEXT", (GLfunction) glIsTextureEXT },
-
- /* GL_EXT_texture3D */
- { "glTexImage3DEXT", (GLfunction) glTexImage3DEXT },
- { "glTexSubImage3DEXT", (GLfunction) glTexSubImage3DEXT },
- { "glCopyTexSubImage3DEXT", (GLfunction) glCopyTexSubImage3DEXT },
-
- /* GL_EXT_color_table */
- { "glColorTableEXT", (GLfunction) glColorTableEXT },
- { "glColorSubTableEXT", (GLfunction) glColorSubTableEXT },
- { "glGetColorTableEXT", (GLfunction) glGetColorTableEXT },
- { "glGetColorTableParameterfvEXT", (GLfunction) glGetColorTableParameterfvEXT },
- { "glGetColorTableParameterivEXT", (GLfunction) glGetColorTableParameterivEXT },
-
- /* GL_ARB_multitexture */
- { "glActiveTextureARB", (GLfunction) glActiveTextureARB },
- { "glClientActiveTextureARB", (GLfunction) glClientActiveTextureARB },
- { "glMultiTexCoord1dARB", (GLfunction) glMultiTexCoord1dARB },
- { "glMultiTexCoord1dvARB", (GLfunction) glMultiTexCoord1dvARB },
- { "glMultiTexCoord1fARB", (GLfunction) glMultiTexCoord1fARB },
- { "glMultiTexCoord1fvARB", (GLfunction) glMultiTexCoord1fvARB },
- { "glMultiTexCoord1iARB", (GLfunction) glMultiTexCoord1iARB },
- { "glMultiTexCoord1ivARB", (GLfunction) glMultiTexCoord1ivARB },
- { "glMultiTexCoord1sARB", (GLfunction) glMultiTexCoord1sARB },
- { "glMultiTexCoord1svARB", (GLfunction) glMultiTexCoord1svARB },
- { "glMultiTexCoord2dARB", (GLfunction) glMultiTexCoord2dARB },
- { "glMultiTexCoord2dvARB", (GLfunction) glMultiTexCoord2dvARB },
- { "glMultiTexCoord2fARB", (GLfunction) glMultiTexCoord2fARB },
- { "glMultiTexCoord2fvARB", (GLfunction) glMultiTexCoord2fvARB },
- { "glMultiTexCoord2iARB", (GLfunction) glMultiTexCoord2iARB },
- { "glMultiTexCoord2ivARB", (GLfunction) glMultiTexCoord2ivARB },
- { "glMultiTexCoord2sARB", (GLfunction) glMultiTexCoord2sARB },
- { "glMultiTexCoord2svARB", (GLfunction) glMultiTexCoord2svARB },
- { "glMultiTexCoord3dARB", (GLfunction) glMultiTexCoord3dARB },
- { "glMultiTexCoord3dvARB", (GLfunction) glMultiTexCoord3dvARB },
- { "glMultiTexCoord3fARB", (GLfunction) glMultiTexCoord3fARB },
- { "glMultiTexCoord3fvARB", (GLfunction) glMultiTexCoord3fvARB },
- { "glMultiTexCoord3iARB", (GLfunction) glMultiTexCoord3iARB },
- { "glMultiTexCoord3ivARB", (GLfunction) glMultiTexCoord3ivARB },
- { "glMultiTexCoord3sARB", (GLfunction) glMultiTexCoord3sARB },
- { "glMultiTexCoord3svARB", (GLfunction) glMultiTexCoord3svARB },
- { "glMultiTexCoord4dARB", (GLfunction) glMultiTexCoord4dARB },
- { "glMultiTexCoord4dvARB", (GLfunction) glMultiTexCoord4dvARB },
- { "glMultiTexCoord4fARB", (GLfunction) glMultiTexCoord4fARB },
- { "glMultiTexCoord4fvARB", (GLfunction) glMultiTexCoord4fvARB },
- { "glMultiTexCoord4iARB", (GLfunction) glMultiTexCoord4iARB },
- { "glMultiTexCoord4ivARB", (GLfunction) glMultiTexCoord4ivARB },
- { "glMultiTexCoord4sARB", (GLfunction) glMultiTexCoord4sARB },
- { "glMultiTexCoord4svARB", (GLfunction) glMultiTexCoord4svARB },
-
- /* GL_EXT_point_parameters */
- { "glPointParameterfEXT", (GLfunction) glPointParameterfEXT },
- { "glPointParameterfvEXT", (GLfunction) glPointParameterfvEXT },
-
- /* GL_INGR_blend_func_separate */
- { "glBlendFuncSeparateINGR", (GLfunction) glBlendFuncSeparateINGR },
-
- /* GL_MESA_window_pos */
- { "glWindowPos2iMESA", (GLfunction) glWindowPos2iMESA },
- { "glWindowPos2sMESA", (GLfunction) glWindowPos2sMESA },
- { "glWindowPos2fMESA", (GLfunction) glWindowPos2fMESA },
- { "glWindowPos2dMESA", (GLfunction) glWindowPos2dMESA },
- { "glWindowPos2ivMESA", (GLfunction) glWindowPos2ivMESA },
- { "glWindowPos2svMESA", (GLfunction) glWindowPos2svMESA },
- { "glWindowPos2fvMESA", (GLfunction) glWindowPos2fvMESA },
- { "glWindowPos2dvMESA", (GLfunction) glWindowPos2dvMESA },
- { "glWindowPos3iMESA", (GLfunction) glWindowPos3iMESA },
- { "glWindowPos3sMESA", (GLfunction) glWindowPos3sMESA },
- { "glWindowPos3fMESA", (GLfunction) glWindowPos3fMESA },
- { "glWindowPos3dMESA", (GLfunction) glWindowPos3dMESA },
- { "glWindowPos3ivMESA", (GLfunction) glWindowPos3ivMESA },
- { "glWindowPos3svMESA", (GLfunction) glWindowPos3svMESA },
- { "glWindowPos3fvMESA", (GLfunction) glWindowPos3fvMESA },
- { "glWindowPos3dvMESA", (GLfunction) glWindowPos3dvMESA },
- { "glWindowPos4iMESA", (GLfunction) glWindowPos4iMESA },
- { "glWindowPos4sMESA", (GLfunction) glWindowPos4sMESA },
- { "glWindowPos4fMESA", (GLfunction) glWindowPos4fMESA },
- { "glWindowPos4dMESA", (GLfunction) glWindowPos4dMESA },
- { "glWindowPos4ivMESA", (GLfunction) glWindowPos4ivMESA },
- { "glWindowPos4svMESA", (GLfunction) glWindowPos4svMESA },
- { "glWindowPos4fvMESA", (GLfunction) glWindowPos4fvMESA },
- { "glWindowPos4dvMESA", (GLfunction) glWindowPos4dvMESA },
-
- /* GL_MESA_resize_buffers */
- { "glResizeBuffersMESA", (GLfunction) glResizeBuffersMESA },
-
- /* GL_EXT_compiled_vertex_array */
- { "glLockArraysEXT", (GLfunction) glLockArraysEXT },
- { "glUnlockArraysEXT", (GLfunction) glUnlockArraysEXT },
-
- { NULL, NULL } /* end of list token */
- };
- GLuint i;
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH_WITH_RETVAL(ctx, "glGetProcAddressEXT", NULL);
-
- for (i = 0; procTable[i].address; i++) {
- if (strcmp((const char *) procName, procTable[i].name) == 0)
- return procTable[i].address;
- }
-
- return NULL;
-}
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