/**
* Enable and map extensions supported by the driver.
*
* When ctx is NULL, extensions are not enabled, but their functions
* are still mapped. When extensions_to_enable is NULL, all static
* functions known to mesa core are mapped.
*
* \bug
* ARB_imaging isn't handled properly. In Mesa, enabling ARB_imaging also
* enables all the sub-extensions that are folded into it. This means that
* we need to add entry-points (via \c driInitSingleExtension) for those
* new functions here.
*/
void driInitExtensions( GLcontext * ctx,
const struct dri_extension * extensions_to_enable,
GLboolean enable_imaging )
{
static int first_time = 1;
unsigned i;
if ( first_time ) {
first_time = 0;
driInitExtensions( NULL, all_mesa_extensions, GL_FALSE );
}
if ( (ctx != NULL) && enable_imaging ) {
_mesa_enable_imaging_extensions( ctx );
}
/* The caller is too lazy to list any extension */
if ( extensions_to_enable == NULL ) {
/* Map the static functions. Together with those mapped by remap
* table, this should cover everything mesa core knows.
*/
_mesa_map_static_functions();
return;
}
for ( i = 0 ; extensions_to_enable[i].name != NULL ; i++ ) {
driInitSingleExtension( ctx, & extensions_to_enable[i] );
}
}
void gldEnableExtensions_DX8(
GLcontext *ctx)
{
GLuint i;
// Mesa enables some extensions by default.
// This table decides which ones we want to switch off again.
// NOTE: GL_EXT_compiled_vertex_array appears broken.
const char *gld_disable_extensions[] = {
// "GL_ARB_transpose_matrix",
// "GL_EXT_compiled_vertex_array",
// "GL_EXT_polygon_offset",
// "GL_EXT_rescale_normal",
"GL_EXT_texture3D",
// "GL_NV_texgen_reflection",
NULL
};
const char *gld_multitex_extensions[] = {
"GL_ARB_multitexture", // Quake 3
NULL
};
// Quake 2 engines
const char *szGL_SGIS_multitexture = "GL_SGIS_multitexture";
const char *gld_enable_extensions[] = {
"GL_EXT_texture_env_add", // Quake 3
"GL_ARB_texture_env_add", // Quake 3
NULL
};
for (i=0; gld_disable_extensions[i]; i++) {
_mesa_disable_extension(ctx, gld_disable_extensions[i]);
}
for (i=0; gld_enable_extensions[i]; i++) {
_mesa_enable_extension(ctx, gld_enable_extensions[i]);
}
if (glb.bMultitexture) {
for (i=0; gld_multitex_extensions[i]; i++) {
_mesa_enable_extension(ctx, gld_multitex_extensions[i]);
}
// GL_SGIS_multitexture
// NOTE: Quake2 ran *slower* with this enabled, so I've
// disabled it for now.
// Fair bit slower on GeForce256,
// Much slower on 3dfx Voodoo5 5500.
// _mesa_add_extension(ctx, GL_TRUE, szGL_SGIS_multitexture, 0);
}
_mesa_enable_imaging_extensions(ctx);
_mesa_enable_1_3_extensions(ctx);
_mesa_enable_1_4_extensions(ctx);
}
void driInitExtensions( GLcontext * ctx,
const char * const extensions_to_enable[],
GLboolean enable_imaging )
{
unsigned i;
if ( enable_imaging ) {
_mesa_enable_imaging_extensions( ctx );
}
for ( i = 0 ; extensions_to_enable[i] != NULL ; i++ ) {
_mesa_enable_extension( ctx, extensions_to_enable[i] );
}
}
/**
* Enable extensions supported by the driver.
*
* \bug
* ARB_imaging isn't handled properly. In Mesa, enabling ARB_imaging also
* enables all the sub-extensions that are folded into it. This means that
* we need to add entry-points (via \c driInitSingleExtension) for those
* new functions here.
*/
void driInitExtensions( GLcontext * ctx,
const struct dri_extension * extensions_to_enable,
GLboolean enable_imaging )
{
static int first_time = 1;
unsigned i;
if ( first_time ) {
for ( i = 0 ; i < driDispatchRemapTable_size ; i++ ) {
driDispatchRemapTable[i] = -1;
}
first_time = 0;
driInitExtensions( ctx, all_mesa_extensions, GL_FALSE );
}
if ( (ctx != NULL) && enable_imaging ) {
_mesa_enable_imaging_extensions( ctx );
}
for ( i = 0 ; extensions_to_enable[i].name != NULL ; i++ ) {
driInitSingleExtension( ctx, & extensions_to_enable[i] );
}
}