#include "glheader.h"
#include "imports.h"
#include "context.h"
#include "extensions.h"
#include "simple_list.h"
#include "mtypes.h"
#define MAX_EXT_NAMELEN 80
struct extension {
struct extension *next, *prev;
GLint enabled;
GLboolean *flag;
char name[MAX_EXT_NAMELEN+1];
void (*notify)( GLcontext *, GLboolean );
};
#define F(x) (int)(unsigned long)&(((struct gl_extensions *)0)->x)
#define ON GL_TRUE
#define OFF GL_FALSE
static const struct {
GLboolean enabled;
const char *name;
int flag_offset;
} default_extensions[] = {
{ OFF, "GL_ARB_depth_texture", F(ARB_depth_texture) },
{ OFF, "GL_ARB_imaging", F(ARB_imaging) },
{ OFF, "GL_ARB_multisample", F(ARB_multisample) },
{ OFF, "GL_ARB_multitexture", F(ARB_multitexture) },
{ OFF, "GL_ARB_point_parameters", F(EXT_point_parameters) },
{ OFF, "GL_ARB_shadow", F(ARB_shadow) },
{ OFF, "GL_ARB_shadow_ambient", F(SGIX_shadow_ambient) },
{ OFF, "GL_ARB_texture_border_clamp", F(ARB_texture_border_clamp) },
{ OFF, "GL_ARB_texture_compression", F(ARB_texture_compression) },
{ OFF, "GL_ARB_texture_cube_map", F(ARB_texture_cube_map) },
{ OFF, "GL_ARB_texture_env_add", F(EXT_texture_env_add) },
{ OFF, "GL_ARB_texture_env_combine", F(ARB_texture_env_combine) },
{ OFF, "GL_ARB_texture_env_crossbar", F(ARB_texture_env_crossbar) },
{ OFF, "GL_ARB_texture_env_dot3", F(ARB_texture_env_dot3) },
{ OFF, "GL_ARB_texture_mirrored_repeat", F(ARB_texture_mirrored_repeat)},
{ ON, "GL_ARB_transpose_matrix", 0 },
{ ON, "GL_ARB_window_pos", F(ARB_window_pos) },
{ ON, "GL_EXT_abgr", 0 },
{ ON, "GL_EXT_bgra", 0 },
{ OFF, "GL_EXT_blend_color", F(EXT_blend_color) },
{ OFF, "GL_EXT_blend_func_separate", F(EXT_blend_func_separate) },
{ OFF, "GL_EXT_blend_logic_op", F(EXT_blend_logic_op) },
{ OFF, "GL_EXT_blend_minmax", F(EXT_blend_minmax) },
{ OFF, "GL_EXT_blend_subtract", F(EXT_blend_subtract) },
{ ON, "GL_EXT_clip_volume_hint", 0 },
{ ON, "GL_EXT_compiled_vertex_array", F(EXT_compiled_vertex_array) },
{ OFF, "GL_EXT_convolution", F(EXT_convolution) },
{ ON, "GL_EXT_copy_texture", 0 },
{ ON, "GL_EXT_draw_range_elements", 0 },
{ OFF, "GL_EXT_fog_coord", F(EXT_fog_coord) },
{ OFF, "GL_EXT_histogram", F(EXT_histogram) },
{ OFF, "GL_EXT_multi_draw_arrays", F(EXT_multi_draw_arrays) },
{ ON, "GL_EXT_packed_pixels", 0 },
{ OFF, "GL_EXT_paletted_texture", F(EXT_paletted_texture) },
{ OFF, "GL_EXT_point_parameters", F(EXT_point_parameters) },
{ ON, "GL_EXT_polygon_offset", 0 },
{ ON, "GL_EXT_rescale_normal", 0 },
{ OFF, "GL_EXT_secondary_color", F(EXT_secondary_color) },
{ ON, "GL_EXT_separate_specular_color", 0 },
{ OFF, "GL_EXT_shadow_funcs", F(EXT_shadow_funcs) },
{ OFF, "GL_EXT_shared_texture_palette", F(EXT_shared_texture_palette) },
{ OFF, "GL_EXT_stencil_two_side", F(EXT_stencil_two_side) },
{ OFF, "GL_EXT_stencil_wrap", F(EXT_stencil_wrap) },
{ ON, "GL_EXT_subtexture", 0 },
{ ON, "GL_EXT_texture", 0 },
{ ON, "GL_EXT_texture3D", F(EXT_texture3D) },
{ OFF, "GL_EXT_texture_compression_s3tc", F(EXT_texture_compression_s3tc) },
{ OFF, "GL_EXT_texture_edge_clamp", F(SGIS_texture_edge_clamp) },
{ OFF, "GL_EXT_texture_env_add", F(EXT_texture_env_add) },
{ OFF, "GL_EXT_texture_env_combine", F(EXT_texture_env_combine) },
{ OFF, "GL_EXT_texture_env_dot3", F(EXT_texture_env_dot3) },
{ OFF, "GL_EXT_texture_filter_anisotropic", F(EXT_texture_filter_anisotropic) },
{ ON, "GL_EXT_texture_object", 0 },
{ OFF, "GL_EXT_texture_lod_bias", F(EXT_texture_lod_bias) },
{ OFF, "GL_EXT_texture_rectangle", F(NV_texture_rectangle) },
{ ON, "GL_EXT_vertex_array", 0 },
{ OFF, "GL_EXT_vertex_array_set", F(EXT_vertex_array_set) },
{ OFF, "GL_3DFX_texture_compression_FXT1", F(TDFX_texture_compression_FXT1) },
{ OFF, "GL_APPLE_client_storage", F(APPLE_client_storage) },
{ ON, "GL_APPLE_packed_pixels", 0 },
{ OFF, "GL_ATI_texture_env_combine3", F(ATI_texture_env_combine3)},
{ OFF, "GL_ATI_texture_mirror_once", F(ATI_texture_mirror_once)},
{ OFF, "GL_HP_occlusion_test", F(HP_occlusion_test) },
{ ON, "GL_IBM_rasterpos_clip", F(IBM_rasterpos_clip) },
{ OFF, "GL_IBM_texture_mirrored_repeat", F(ARB_texture_mirrored_repeat)},
{ OFF, "GL_INGR_blend_func_separate", F(EXT_blend_func_separate) },
{ OFF, "GL_MESA_pack_invert", F(MESA_pack_invert) },
{ OFF, "GL_MESA_packed_depth_stencil", 0 },
{ OFF, "GL_MESA_resize_buffers", F(MESA_resize_buffers) },
{ 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_point_sprite", F(NV_point_sprite) },
{ OFF, "GL_NV_texture_rectangle", F(NV_texture_rectangle) },
{ ON, "GL_NV_texgen_reflection", 0 },
{ OFF, "GL_NV_vertex_program", F(NV_vertex_program) },
{ OFF, "GL_NV_vertex_program1_1", F(NV_vertex_program1_1) },
{ OFF, "GL_SGI_color_matrix", F(SGI_color_matrix) },
{ OFF, "GL_SGI_color_table", F(SGI_color_table) },
{ OFF, "GL_SGIS_generate_mipmap", F(SGIS_generate_mipmap) },
{ OFF, "GL_SGIS_pixel_texture", F(SGIS_pixel_texture) },
{ OFF, "GL_SGIS_texture_border_clamp", F(ARB_texture_border_clamp) },
{ OFF, "GL_SGIS_texture_edge_clamp", F(SGIS_texture_edge_clamp) },
{ ON, "GL_SGIS_texture_lod", 0 },
{ OFF, "GL_SGIX_depth_texture", F(SGIX_depth_texture) },
{ OFF, "GL_SGIX_pixel_texture", F(SGIX_pixel_texture) },
{ OFF, "GL_SGIX_shadow", F(SGIX_shadow) },
{ OFF, "GL_SGIX_shadow_ambient", F(SGIX_shadow_ambient) },
};
void
_mesa_enable_sw_extensions(GLcontext *ctx)
{
const char *extensions[] = {
"GL_ARB_depth_texture",
"GL_ARB_imaging",
"GL_ARB_multitexture",
"GL_ARB_point_parameters",
"GL_ARB_shadow",
"GL_ARB_shadow_ambient",
"GL_ARB_texture_border_clamp",
"GL_ARB_texture_cube_map",
"GL_ARB_texture_env_add",
"GL_ARB_texture_env_combine",
"GL_ARB_texture_env_crossbar",
"GL_ARB_texture_env_dot3",
"GL_ARB_texture_mirrored_repeat",
"GL_ATI_texture_mirror_once",
"GL_ATI_texture_env_combine3",
"GL_EXT_blend_color",
"GL_EXT_blend_func_separate",
"GL_EXT_blend_logic_op",
"GL_EXT_blend_minmax",
"GL_EXT_blend_subtract",
"GL_EXT_convolution",
"GL_EXT_fog_coord",
"GL_EXT_histogram",
"GL_EXT_paletted_texture",
"GL_EXT_point_parameters",
"GL_EXT_shadow_funcs",
"GL_EXT_secondary_color",
"GL_EXT_shared_texture_palette",
"GL_EXT_stencil_wrap",
"GL_EXT_stencil_two_side",
"GL_EXT_texture_edge_clamp",
"GL_EXT_texture_env_add",
"GL_EXT_texture_env_combine",
"GL_EXT_texture_env_dot3",
"GL_EXT_texture_lod_bias",
"GL_EXT_texture_rectangle",
"GL_HP_occlusion_test",
"GL_IBM_texture_mirrored_repeat",
"GL_INGR_blend_func_separate",
"GL_MESA_pack_invert",
"GL_MESA_resize_buffers",
"GL_MESA_ycbcr_texture",
"GL_NV_blend_square",
"GL_NV_point_sprite",
"GL_NV_texture_rectangle",
"GL_NV_texgen_reflection",
#if FEATURE_NV_vertex_program
"GL_NV_vertex_program",
"GL_NV_vertex_program1_1",
#endif
"GL_SGI_color_matrix",
"GL_SGI_color_table",
"GL_SGIS_generate_mipmap",
"GL_SGIS_pixel_texture",
"GL_SGIS_texture_edge_clamp",
"GL_SGIS_texture_border_clamp",
"GL_SGIX_depth_texture",
"GL_SGIX_pixel_texture",
"GL_SGIX_shadow",
"GL_SGIX_shadow_ambient",
NULL
};
GLuint i;
for (i = 0; extensions[i]; i++) {
_mesa_enable_extension(ctx, extensions[i]);
}
}
void
_mesa_enable_imaging_extensions(GLcontext *ctx)
{
const char *extensions[] = {
"GL_ARB_imaging",
"GL_EXT_blend_color",
"GL_EXT_blend_minmax",
"GL_EXT_blend_subtract",
"GL_EXT_convolution",
"GL_EXT_histogram",
"GL_SGI_color_matrix",
"GL_SGI_color_table",
NULL
};
GLuint i;
for (i = 0; extensions[i]; i++) {
_mesa_enable_extension(ctx, extensions[i]);
}
}
void
_mesa_enable_1_3_extensions(GLcontext *ctx)
{
const char *extensions[] = {
"GL_ARB_multisample",
"GL_ARB_multitexture",
"GL_ARB_texture_border_clamp",
"GL_ARB_texture_compression",
"GL_ARB_texture_cube_map",
"GL_ARB_texture_env_add",
"GL_ARB_texture_env_combine",
"GL_ARB_texture_env_dot3",
"GL_ARB_transpose_matrix",
NULL
};
GLuint i;
for (i = 0; extensions[i]; i++) {
_mesa_enable_extension(ctx, extensions[i]);
}
}
void
_mesa_enable_1_4_extensions(GLcontext *ctx)
{
const char *extensions[] = {
"GL_ARB_depth_texture",
"GL_ARB_point_parameters",
"GL_ARB_shadow",
"GL_ARB_texture_env_crossbar",
"GL_ARB_texture_mirrored_repeat",
"GL_ARB_window_pos",
"GL_EXT_blend_color",
"GL_EXT_blend_func_separate",
"GL_EXT_blend_logic_op",
"GL_EXT_blend_minmax",
"GL_EXT_blend_subtract",
"GL_EXT_fog_coord",
"GL_EXT_multi_draw_arrays",
"GL_EXT_secondary_color",
"GL_EXT_stencil_wrap",
"GL_EXT_texture_lod_bias",
"GL_SGIS_generate_mipmap",
NULL
};
GLuint i;
for (i = 0; extensions[i]; i++) {
_mesa_enable_extension(ctx, extensions[i]);
}
}
void
_mesa_add_extension( GLcontext *ctx,
GLboolean enabled,
const char *name,
GLboolean *flag_ptr )
{
assert(ctx->Extensions.ext_string == 0);
{
struct extension *t = MALLOC_STRUCT(extension);
t->enabled = enabled;
_mesa_strncpy(t->name, name, MAX_EXT_NAMELEN);
t->name[MAX_EXT_NAMELEN] = 0;
t->flag = flag_ptr;
if (t->flag)
*t->flag = enabled;
insert_at_tail( ctx->Extensions.ext_list, t );
}
}
static void
set_extension( GLcontext *ctx, const char *name, GLint state )
{
struct extension *i;
foreach( i, ctx->Extensions.ext_list )
if (_mesa_strncmp(i->name, name, MAX_EXT_NAMELEN) == 0)
break;
if (i == ctx->Extensions.ext_list) {
return;
}
if (i->flag)
*(i->flag) = state;
i->enabled = state;
}
void
_mesa_enable_extension( GLcontext *ctx, const char *name )
{
if (ctx->Extensions.ext_string == 0)
set_extension( ctx, name, 1 );
}
void
_mesa_disable_extension( GLcontext *ctx, const char *name )
{
if (ctx->Extensions.ext_string == 0)
set_extension( ctx, name, 0 );
}
GLboolean
_mesa_extension_is_enabled( GLcontext *ctx, const char *name)
{
struct extension *i;
foreach( i, ctx->Extensions.ext_list )
if (_mesa_strncmp(i->name, name, MAX_EXT_NAMELEN) == 0) {
if (i->enabled)
return GL_TRUE;
else
return GL_FALSE;
}
return GL_FALSE;
}
void
_mesa_extensions_dtr( GLcontext *ctx )
{
struct extension *i, *nexti;
if (ctx->Extensions.ext_string) {
FREE( ctx->Extensions.ext_string );
ctx->Extensions.ext_string = 0;
}
if (ctx->Extensions.ext_list) {
foreach_s( i, nexti, ctx->Extensions.ext_list ) {
remove_from_list( i );
FREE( i );
}
FREE(ctx->Extensions.ext_list);
ctx->Extensions.ext_list = 0;
}
}
void
_mesa_extensions_ctr( GLcontext *ctx )
{
GLuint i;
GLboolean *base = (GLboolean *)&ctx->Extensions;
ctx->Extensions.ext_string = NULL;
ctx->Extensions.ext_list = MALLOC_STRUCT(extension);
make_empty_list( ctx->Extensions.ext_list );
for (i = 0 ; i < Elements(default_extensions) ; i++) {
GLboolean *ptr = NULL;
if (default_extensions[i].flag_offset)
ptr = base + default_extensions[i].flag_offset;
(void) _mesa_add_extension( ctx,
default_extensions[i].enabled,
default_extensions[i].name,
ptr);
}
}
const char *
_mesa_extensions_get_string( GLcontext *ctx )
{
if (ctx->Extensions.ext_string == 0)
{
struct extension *i;
char *str;
GLuint len = 0;
foreach (i, ctx->Extensions.ext_list)
if (i->enabled)
len += _mesa_strlen(i->name) + 1;
if (len == 0)
return "";
str = (char *) _mesa_malloc(len * sizeof(char));
ctx->Extensions.ext_string = str;
foreach (i, ctx->Extensions.ext_list)
if (i->enabled) {
_mesa_strcpy(str, i->name);
str += _mesa_strlen(str);
*str++ = ' ';
}
*(str-1) = 0;
}
return ctx->Extensions.ext_string;
}