diff options
Diffstat (limited to 'src/mesa/main/extensions.c')
| -rw-r--r-- | src/mesa/main/extensions.c | 445 |
1 files changed, 185 insertions, 260 deletions
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c index 3b7c21a1622..4c0faf3a18d 100644 --- a/src/mesa/main/extensions.c +++ b/src/mesa/main/extensions.c @@ -30,20 +30,11 @@ #include "mtypes.h" -#define MAX_EXT_NAMELEN 80 - -struct extension { - struct extension *next, *prev; - GLint enabled; - GLboolean *flag; /* optional flag stored elsewhere */ - char name[MAX_EXT_NAMELEN+1]; - void (*notify)( GLcontext *, GLboolean ); -}; - #define F(x) (int)&(((struct gl_extensions *)0)->x) #define ON GL_TRUE #define OFF GL_FALSE + static const struct { GLboolean enabled; const char *name; @@ -121,7 +112,7 @@ static const struct { { 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_packed_depth_stencil", F(MESA_packed_depth_stencil) }, { 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) }, @@ -149,352 +140,286 @@ static const struct { - -/* +/** * Enable all extensions suitable for a software-only renderer. * This is a convenience function used by the XMesa, OSMesa, GGI drivers, etc. */ void _mesa_enable_sw_extensions(GLcontext *ctx) { - const char *extensions[] = { - "GL_ARB_depth_texture", + ctx->Extensions.ARB_depth_texture = GL_TRUE; #if FEATURE_ARB_fragment_program - "GL_ARB_fragment_program", + /*ctx->Extensions.ARB_fragment_program = GL_TRUE;*/ #endif - "GL_ARB_imaging", - "GL_ARB_multitexture", + ctx->Extensions.ARB_imaging = GL_TRUE; + ctx->Extensions.ARB_multitexture = GL_TRUE; #if FEATURE_ARB_occlusion_query - "GL_ARB_occlusion_query", + ctx->Extensions.ARB_occlusion_query = GL_TRUE; #endif - "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", + ctx->Extensions.ARB_shadow = GL_TRUE; + ctx->Extensions.ARB_texture_border_clamp = GL_TRUE; + ctx->Extensions.ARB_texture_cube_map = GL_TRUE; + ctx->Extensions.ARB_texture_env_combine = GL_TRUE; + ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE; + ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE; + ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE; #if FEATURE_ARB_vertex_program - "GL_ARB_vertex_program", + /*ctx->Extensions.ARB_vertex_program = GL_TRUE;*/ #endif - "GL_ATI_texture_env_combine3", - "GL_ATI_texture_mirror_once", - "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_depth_bounds_test", - "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_light_max_exponent", - "GL_NV_point_sprite", - "GL_NV_texture_rectangle", - "GL_NV_texgen_reflection", + ctx->Extensions.ATI_texture_env_combine3 = GL_TRUE; + ctx->Extensions.ATI_texture_mirror_once = GL_TRUE; + ctx->Extensions.EXT_blend_color = GL_TRUE; + ctx->Extensions.EXT_blend_func_separate = GL_TRUE; + ctx->Extensions.EXT_blend_logic_op = GL_TRUE; + ctx->Extensions.EXT_blend_minmax = GL_TRUE; + ctx->Extensions.EXT_blend_subtract = GL_TRUE; + ctx->Extensions.EXT_convolution = GL_TRUE; + ctx->Extensions.EXT_depth_bounds_test = GL_TRUE; + ctx->Extensions.EXT_fog_coord = GL_TRUE; + ctx->Extensions.EXT_histogram = GL_TRUE; + ctx->Extensions.EXT_paletted_texture = GL_TRUE; + ctx->Extensions.EXT_point_parameters = GL_TRUE; + ctx->Extensions.EXT_shadow_funcs = GL_TRUE; + ctx->Extensions.EXT_secondary_color = GL_TRUE; + ctx->Extensions.EXT_shared_texture_palette = GL_TRUE; + ctx->Extensions.EXT_stencil_wrap = GL_TRUE; + ctx->Extensions.EXT_stencil_two_side = GL_TRUE; + ctx->Extensions.EXT_texture_env_add = GL_TRUE; + ctx->Extensions.EXT_texture_env_combine = GL_TRUE; + ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE; + ctx->Extensions.EXT_texture_lod_bias = GL_TRUE; + ctx->Extensions.HP_occlusion_test = GL_TRUE; + ctx->Extensions.MESA_pack_invert = GL_TRUE; + ctx->Extensions.MESA_resize_buffers = GL_TRUE; + ctx->Extensions.MESA_ycbcr_texture = GL_TRUE; + ctx->Extensions.NV_blend_square = GL_TRUE; + /*ctx->Extensions.NV_light_max_exponent = GL_TRUE;*/ + ctx->Extensions.NV_point_sprite = GL_TRUE; + ctx->Extensions.NV_texture_rectangle = GL_TRUE; + /*ctx->Extensions.NV_texgen_reflection = GL_TRUE;*/ #if FEATURE_NV_vertex_program - "GL_NV_vertex_program", - "GL_NV_vertex_program1_1", + ctx->Extensions.NV_vertex_program = GL_TRUE; + ctx->Extensions.NV_vertex_program1_1 = GL_TRUE; #endif #if FEATURE_NV_fragment_program - "GL_NV_fragment_program", + ctx->Extensions.NV_fragment_program = GL_TRUE; #endif - "GL_SGI_color_matrix", - "GL_SGI_color_table", - "GL_SGI_texture_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]); - } + ctx->Extensions.SGI_color_matrix = GL_TRUE; + ctx->Extensions.SGI_color_table = GL_TRUE; + ctx->Extensions.SGI_texture_color_table = GL_TRUE; + ctx->Extensions.SGIS_generate_mipmap = GL_TRUE; + ctx->Extensions.SGIS_pixel_texture = GL_TRUE; + ctx->Extensions.SGIS_texture_edge_clamp = GL_TRUE; + ctx->Extensions.SGIX_depth_texture = GL_TRUE; + ctx->Extensions.SGIX_pixel_texture = GL_TRUE; + ctx->Extensions.SGIX_shadow = GL_TRUE; + ctx->Extensions.SGIX_shadow_ambient = GL_TRUE; } -/* +/** * Enable GL_ARB_imaging and all the EXT extensions that are subsets of it. */ 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]); - } + ctx->Extensions.ARB_imaging = GL_TRUE; + ctx->Extensions.EXT_blend_color = GL_TRUE; + ctx->Extensions.EXT_blend_minmax = GL_TRUE; + ctx->Extensions.EXT_blend_subtract = GL_TRUE; + ctx->Extensions.EXT_convolution = GL_TRUE; + ctx->Extensions.EXT_histogram = GL_TRUE; + ctx->Extensions.SGI_color_matrix = GL_TRUE; + ctx->Extensions.SGI_color_table = GL_TRUE; } -/* +/** * Enable all OpenGL 1.3 features and extensions. + * A convenience function to be called by drivers. */ 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]); - } + ctx->Extensions.ARB_multisample = GL_TRUE; + ctx->Extensions.ARB_multitexture = GL_TRUE; + ctx->Extensions.ARB_texture_border_clamp = GL_TRUE; + ctx->Extensions.ARB_texture_compression = GL_TRUE; + ctx->Extensions.ARB_texture_cube_map = GL_TRUE; + ctx->Extensions.ARB_texture_env_combine = GL_TRUE; + ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE; + ctx->Extensions.EXT_texture_env_add = GL_TRUE; + /*ctx->Extensions.ARB_transpose_matrix = GL_TRUE;*/ } -/* +/** * Enable all OpenGL 1.4 features and extensions. + * A convenience function to be called by drivers. */ 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_SGIS_generate_mipmap", - NULL - }; - GLuint i; - - for (i = 0; extensions[i]; i++) { - _mesa_enable_extension(ctx, extensions[i]); - } + ctx->Extensions.ARB_depth_texture = GL_TRUE; + ctx->Extensions.ARB_shadow = GL_TRUE; + ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE; + ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE; + ctx->Extensions.ARB_window_pos = GL_TRUE; + ctx->Extensions.EXT_blend_color = GL_TRUE; + ctx->Extensions.EXT_blend_func_separate = GL_TRUE; + ctx->Extensions.EXT_blend_logic_op = GL_TRUE; + ctx->Extensions.EXT_blend_minmax = GL_TRUE; + ctx->Extensions.EXT_blend_subtract = GL_TRUE; + ctx->Extensions.EXT_fog_coord = GL_TRUE; + ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE; + ctx->Extensions.EXT_point_parameters = GL_TRUE; + ctx->Extensions.EXT_secondary_color = GL_TRUE; + ctx->Extensions.EXT_stencil_wrap = GL_TRUE; + ctx->Extensions.SGIS_generate_mipmap = GL_TRUE; } - -/* - * Add a new extenstion. This would be called from a Mesa driver. +/** + * Enable all OpenGL 1.5 features and extensions. + * A convenience function to be called by drivers. + * XXX TENTATIVE!!! */ void -_mesa_add_extension( GLcontext *ctx, - GLboolean enabled, - const char *name, - GLboolean *flag_ptr ) +_mesa_enable_1_5_extensions(GLcontext *ctx) { - /* We should never try to add an extension after - * _mesa_extensions_get_string() has been called! - */ - 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 ); - } + ctx->Extensions.ARB_occlusion_query = GL_TRUE; + ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE; } -/* +/** * Either enable or disable the named extension. */ static void -set_extension( GLcontext *ctx, const char *name, GLint state ) +set_extension( GLcontext *ctx, const char *name, GLboolean state ) { - /* XXX we should assert that ext_string is null. We should never be - * enabling/disabling extensions after _mesa_extensions_get_string() - * has been called! - */ - 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) { - /* this is an error. Drivers should never try to enable/disable - * an extension which is unknown to Mesa or wasn't added by calling - * _mesa_add_extension(). - */ + GLboolean *base = (GLboolean *) &ctx->Extensions; + GLuint i; + + if (ctx->Extensions.String) { + /* The string was already queried - can't change it now! */ + _mesa_problem(ctx, "Trying to enable/disable extension after glGetString(GL_EXTENSIONS): %s", name); return; } - if (i->flag) - *(i->flag) = state; - i->enabled = state; + for (i = 0 ; i < Elements(default_extensions) ; i++) { + if (_mesa_strcmp(default_extensions[i].name, name) == 0) { + if (default_extensions[i].flag_offset) { + GLboolean *enabled = base + default_extensions[i].flag_offset; + *enabled = state; + } + return; + } + } + _mesa_problem(ctx, "Trying to enable unknown extension: %s", name); } - +/** + * Enable the named extension. + * Typically called by drivers. + */ void _mesa_enable_extension( GLcontext *ctx, const char *name ) { - if (ctx->Extensions.ext_string == 0) - set_extension( ctx, name, 1 ); + set_extension(ctx, name, GL_TRUE); } +/** + * Disable the named extension. + * XXX is this really needed??? + */ void _mesa_disable_extension( GLcontext *ctx, const char *name ) { - if (ctx->Extensions.ext_string == 0) - set_extension( ctx, name, 0 ); + set_extension(ctx, name, GL_FALSE); } -/* +/** * Test if the named extension is enabled in this context. */ GLboolean -_mesa_extension_is_enabled( GLcontext *ctx, const char *name) +_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) + 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; - else - return GL_FALSE; + return *(base + default_extensions[i].flag_offset); } - + } return GL_FALSE; } +/** + * Run through the default_extensions array above and set the + * ctx->Extensions.ARB/EXT_* flags accordingly. + * To be called during context initialization. + */ void -_mesa_extensions_dtr( GLcontext *ctx ) +_mesa_init_extensions( GLcontext *ctx ) { - struct extension *i, *nexti; - - if (ctx->Extensions.ext_string) { - FREE( ctx->Extensions.ext_string ); - ctx->Extensions.ext_string = 0; - } + GLboolean *base = (GLboolean *) &ctx->Extensions; + GLuint i; - if (ctx->Extensions.ext_list) { - foreach_s( i, nexti, ctx->Extensions.ext_list ) { - remove_from_list( i ); - FREE( i ); + for (i = 0 ; i < Elements(default_extensions) ; i++) { + if (default_extensions[i].enabled && + default_extensions[i].flag_offset) { + *(base + default_extensions[i].flag_offset) = GL_TRUE; } - - FREE(ctx->Extensions.ext_list); - ctx->Extensions.ext_list = 0; } } -void -_mesa_extensions_ctr( GLcontext *ctx ) +/** + * Construct the GL_EXTENSIONS string. Called the first time that + * glGetString(GL_EXTENSIONS) is called. + */ +GLubyte * +_mesa_make_extension_string( GLcontext *ctx ) { + const GLboolean *base = (const GLboolean *) &ctx->Extensions; + GLuint extStrLen = 0; + GLubyte *s; 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 ); + /* first, compute length of the extension string */ 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); + if (!default_extensions[i].flag_offset || + *(base + default_extensions[i].flag_offset)) { + extStrLen += _mesa_strlen(default_extensions[i].name) + 1; + } } -} + s = _mesa_malloc(extStrLen); - -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; + /* 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)) { + GLuint len = _mesa_strlen(default_extensions[i].name); + _mesa_memcpy(s + extStrLen, default_extensions[i].name, len); + extStrLen += len; + s[extStrLen] = (GLubyte) ' '; + extStrLen++; + } } + ASSERT(extStrLen > 0); + + s[extStrLen - 1] = 0; - return ctx->Extensions.ext_string; + return s; } |