X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fextensions.c;h=e172db37a123188503f7a9f2aecf15b0f6fd29e2;hb=c1f2f9090bcca309b9aeef7ae57acc280704db81;hp=5cc6647af027c9ec8623835e618d146a9d5dfe3f;hpb=a96308c37db0bc0086a017d318bc3504aa5f0b1a;p=mesa.git diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c index 5cc6647af02..e172db37a12 100644 --- a/src/mesa/main/extensions.c +++ b/src/mesa/main/extensions.c @@ -1,21 +1,19 @@ -/* $Id: extensions.c,v 1.39 2000/10/30 13:32:00 keithw Exp $ */ - /* * Mesa 3-D graphics library - * Version: 3.5 - * - * Copyright (C) 1999-2000 Brian Paul All Rights Reserved. - * + * Version: 6.3 + * + * Copyright (C) 1999-2004 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"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: - * + * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL @@ -25,233 +23,485 @@ */ -#ifdef PC_HEADER -#include "all.h" -#else #include "glheader.h" +#include "imports.h" #include "context.h" #include "extensions.h" -#include "mem.h" #include "simple_list.h" -#include "types.h" -#endif - +#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 F(x) (int)(unsigned long)&(((struct gl_extensions *)0)->x) #define ON GL_TRUE #define OFF GL_FALSE -static struct { - GLboolean enabled; - const char *name; - int flag_offset; + +/* + * Note: The GL_MESAX_* extensions are placeholders for future ARB extensions. + */ +static const 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) } + { OFF, "GL_ARB_depth_texture", F(ARB_depth_texture) }, + { OFF, "GL_ARB_draw_buffers", F(ARB_draw_buffers) }, + { OFF, "GL_ARB_fragment_program", F(ARB_fragment_program) }, + { OFF, "GL_ARB_fragment_shader", F(ARB_fragment_shader) }, + { OFF, "GL_MESAX_half_float_pixel", F(ARB_half_float_pixel) }, + { OFF, "GL_ARB_imaging", F(ARB_imaging) }, + { OFF, "GL_ARB_multisample", F(ARB_multisample) }, + { OFF, "GL_ARB_multitexture", F(ARB_multitexture) }, + { OFF, "GL_ARB_occlusion_query", F(ARB_occlusion_query) }, + { OFF, "GL_ARB_pixel_buffer_object", F(EXT_pixel_buffer_object) }, + { OFF, "GL_ARB_point_parameters", F(EXT_point_parameters) }, + { OFF, "GL_ARB_point_sprite", F(ARB_point_sprite) }, + { OFF, "GL_ARB_shader_objects", F(ARB_shader_objects) }, + { 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_MESAX_texture_float", F(ARB_texture_float) }, + { OFF, "GL_ARB_texture_mirrored_repeat", F(ARB_texture_mirrored_repeat)}, + { OFF, "GL_ARB_texture_non_power_of_two", F(ARB_texture_non_power_of_two)}, + { OFF, "GL_ARB_texture_rectangle", F(NV_texture_rectangle) }, + { ON, "GL_ARB_transpose_matrix", F(ARB_transpose_matrix) }, + { OFF, "GL_ARB_vertex_buffer_object", F(ARB_vertex_buffer_object) }, + { OFF, "GL_ARB_vertex_program", F(ARB_vertex_program) }, + { OFF, "GL_ARB_vertex_shader", F(ARB_vertex_shader) }, + { ON, "GL_ARB_window_pos", F(ARB_window_pos) }, + { ON, "GL_EXT_abgr", F(EXT_abgr) }, + { ON, "GL_EXT_bgra", F(EXT_bgra) }, + { OFF, "GL_EXT_blend_color", F(EXT_blend_color) }, + { OFF, "GL_EXT_blend_equation_separate", F(EXT_blend_equation_separate) }, + { 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", F(EXT_clip_volume_hint) }, + { OFF, "GL_EXT_cull_vertex", F(EXT_cull_vertex) }, + { ON, "GL_EXT_compiled_vertex_array", F(EXT_compiled_vertex_array) }, + { OFF, "GL_EXT_convolution", F(EXT_convolution) }, + { ON, "GL_EXT_copy_texture", F(EXT_copy_texture) }, + { OFF, "GL_EXT_depth_bounds_test", F(EXT_depth_bounds_test) }, + { ON, "GL_EXT_draw_range_elements", F(EXT_draw_range_elements) }, + { OFF, "GL_EXT_framebuffer_object", F(EXT_framebuffer_object) }, + { 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", F(EXT_packed_pixels) }, + { OFF, "GL_EXT_paletted_texture", F(EXT_paletted_texture) }, + { OFF, "GL_EXT_pixel_buffer_object", F(EXT_pixel_buffer_object) }, + { OFF, "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) }, + { OFF, "GL_EXT_secondary_color", F(EXT_secondary_color) }, + { ON, "GL_EXT_separate_specular_color", F(EXT_separate_specular_color) }, + { 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", F(EXT_subtexture) }, + { ON, "GL_EXT_texture", F(EXT_texture) }, + { ON, "GL_EXT_texture3D", F(EXT_texture3D) }, + { OFF, "GL_EXT_texture_compression_s3tc", F(EXT_texture_compression_s3tc) }, + { ON, "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) }, + { OFF, "GL_EXT_texture_lod_bias", F(EXT_texture_lod_bias) }, + { OFF, "GL_EXT_texture_mirror_clamp", F(EXT_texture_mirror_clamp) }, + { ON, "GL_EXT_texture_object", F(EXT_texture_object) }, + { OFF, "GL_EXT_texture_rectangle", F(NV_texture_rectangle) }, + { ON, "GL_EXT_vertex_array", F(EXT_vertex_array) }, + { 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", F(APPLE_packed_pixels) }, + { OFF, "GL_ATI_blend_equation_separate", F(EXT_blend_equation_separate) }, + { OFF, "GL_ATI_texture_env_combine3", F(ATI_texture_env_combine3)}, + { OFF, "GL_ATI_texture_mirror_once", F(ATI_texture_mirror_once)}, + { OFF, "GL_ATI_fragment_shader", F(ATI_fragment_shader)}, + { OFF, "GL_HP_occlusion_test", F(HP_occlusion_test) }, + { OFF, "GL_IBM_multimode_draw_arrays", F(IBM_multimode_draw_arrays) }, + { 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", F(MESA_packed_depth_stencil) }, + { OFF, "GL_MESA_program_debug", F(MESA_program_debug) }, + { 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_fragment_program", F(NV_fragment_program) }, + { ON, "GL_NV_light_max_exponent", F(NV_light_max_exponent) }, + { OFF, "GL_NV_point_sprite", F(NV_point_sprite) }, + { OFF, "GL_NV_texture_rectangle", F(NV_texture_rectangle) }, + { ON, "GL_NV_texgen_reflection", F(NV_texgen_reflection) }, + { OFF, "GL_NV_vertex_program", F(NV_vertex_program) }, + { OFF, "GL_NV_vertex_program1_1", F(NV_vertex_program1_1) }, + { ON, "GL_OES_read_format", F(OES_read_format) }, + { OFF, "GL_SGI_color_matrix", F(SGI_color_matrix) }, + { OFF, "GL_SGI_color_table", F(SGI_color_table) }, + { OFF, "GL_SGI_texture_color_table", F(SGI_texture_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) }, + { ON, "GL_SGIS_texture_edge_clamp", F(SGIS_texture_edge_clamp) }, + { ON, "GL_SGIS_texture_lod", F(SGIS_texture_lod) }, + { 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) }, + { OFF, "GL_SUN_multi_draw_arrays", F(EXT_multi_draw_arrays) }, + { OFF, "GL_S3_s3tc", F(S3_s3tc) }, }; +/** + * 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) +{ + ctx->Extensions.ARB_depth_texture = GL_TRUE; + ctx->Extensions.ARB_draw_buffers = GL_TRUE; +#if FEATURE_ARB_fragment_program + ctx->Extensions.ARB_fragment_program = GL_TRUE; +#endif + /*ctx->Extensions.ARB_half_float_pixel = GL_TRUE;*/ + ctx->Extensions.ARB_imaging = GL_TRUE; + ctx->Extensions.ARB_multitexture = GL_TRUE; +#if FEATURE_ARB_occlusion_query + ctx->Extensions.ARB_occlusion_query = GL_TRUE; +#endif + ctx->Extensions.ARB_point_sprite = GL_TRUE; + 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_float = GL_TRUE;*/ + ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE; + ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE; +#if FEATURE_ARB_vertex_program + ctx->Extensions.ARB_vertex_program = GL_TRUE; +#endif +#if FEATURE_ARB_vertex_buffer_object + ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE; +#endif +#if FEATURE_ARB_shader_objects + ctx->Extensions.ARB_shader_objects = GL_TRUE; +#if FEATURE_ARB_fragment_shader + ctx->Extensions.ARB_fragment_shader = GL_TRUE; +#endif +#if FEATURE_ARB_vertex_shader + ctx->Extensions.ARB_vertex_shader = GL_TRUE; +#endif +#endif +#if FEATURE_ATI_fragment_shader + ctx->Extensions.ATI_fragment_shader = GL_TRUE; +#endif + 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_equation_separate = 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_framebuffer_object = GL_TRUE;*/ + ctx->Extensions.EXT_histogram = GL_TRUE; + ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE; + ctx->Extensions.EXT_paletted_texture = GL_TRUE; +#if FEATURE_EXT_pixel_buffer_object + ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE; +#endif + 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_mirror_clamp = GL_TRUE; + ctx->Extensions.EXT_texture_lod_bias = GL_TRUE; + ctx->Extensions.HP_occlusion_test = GL_TRUE; + ctx->Extensions.IBM_multimode_draw_arrays = GL_TRUE; + ctx->Extensions.MESA_pack_invert = GL_TRUE; +#if FEATURE_MESA_program_debug + ctx->Extensions.MESA_program_debug = GL_TRUE; +#endif + 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 + ctx->Extensions.NV_vertex_program = GL_TRUE; + ctx->Extensions.NV_vertex_program1_1 = GL_TRUE; +#endif +#if FEATURE_NV_fragment_program + ctx->Extensions.NV_fragment_program = GL_TRUE; +#endif + 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; +} -int gl_extensions_add( GLcontext *ctx, - GLboolean enabled, - const char *name, - GLboolean *flag_ptr ) +/** + * Enable GL_ARB_imaging and all the EXT extensions that are subsets of it. + */ +void +_mesa_enable_imaging_extensions(GLcontext *ctx) { - if (ctx->Extensions.ext_string == 0) - { - struct extension *t = MALLOC_STRUCT(extension); - t->enabled = enabled; - strncpy(t->name, name, MAX_EXT_NAMELEN); - t->name[MAX_EXT_NAMELEN] = 0; - t->flag = flag_ptr; - insert_at_tail( ctx->Extensions.ext_list, t ); - return 0; - } - return 1; + 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; } -/* - * Either enable or disable the named extension. + +/** + * Enable all OpenGL 1.3 features and extensions. + * A convenience function to be called by drivers. */ -static int set_extension( GLcontext *ctx, const char *name, GLint state ) +void +_mesa_enable_1_3_extensions(GLcontext *ctx) { - 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; + 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;*/ +} - if (i->flag) *(i->flag) = state; - i->enabled = state; - return 0; -} -int gl_extensions_enable( GLcontext *ctx, const char *name ) +/** + * Enable all OpenGL 1.4 features and extensions. + * A convenience function to be called by drivers. + */ +void +_mesa_enable_1_4_extensions(GLcontext *ctx) { - if (ctx->Extensions.ext_string == 0) - return set_extension( ctx, name, 1 ); - return 1; + 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.EXT_texture_lod_bias = GL_TRUE; + ctx->Extensions.SGIS_generate_mipmap = GL_TRUE; } -int gl_extensions_disable( GLcontext *ctx, const char *name ) +/** + * Enable all OpenGL 1.5 features and extensions. + * A convenience function to be called by drivers. + */ +void +_mesa_enable_1_5_extensions(GLcontext *ctx) { - if (ctx->Extensions.ext_string == 0) - return set_extension( ctx, name, 0 ); - return 1; + ctx->Extensions.ARB_occlusion_query = GL_TRUE; + ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE; + ctx->Extensions.EXT_shadow_funcs = GL_TRUE; } - -/* - * Test if the named extension is enabled in this context. + +/** + * Enable all OpenGL 2.0 features and extensions. + * A convenience function to be called by drivers. */ -GLboolean gl_extension_is_enabled( GLcontext *ctx, const char *name) +void +_mesa_enable_2_0_extensions(GLcontext *ctx) { - 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; + ctx->Extensions.ARB_draw_buffers = GL_TRUE; + ctx->Extensions.ARB_point_sprite = GL_TRUE; + ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE; + ctx->Extensions.EXT_stencil_two_side = GL_TRUE; +#if FEATURE_ARB_shader_objects + ctx->Extensions.ARB_shader_objects = GL_TRUE; +#if FEATURE_ARB_fragment_shader + ctx->Extensions.ARB_fragment_shader = GL_TRUE; +#endif +#if FEATURE_ARB_vertex_shader + ctx->Extensions.ARB_vertex_shader = GL_TRUE; +#endif +#endif } -void gl_extensions_dtr( GLcontext *ctx ) + +/** + * Either enable or disable the named extension. + */ +static void +set_extension( GLcontext *ctx, const char *name, GLboolean state ) { - struct extension *i, *nexti; + GLboolean *base = (GLboolean *) &ctx->Extensions; + GLuint i; - if (ctx->Extensions.ext_string) { - FREE( ctx->Extensions.ext_string ); - ctx->Extensions.ext_string = 0; + 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 (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 (_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; } - - FREE(ctx->Extensions.ext_list); - ctx->Extensions.ext_list = 0; - } + } + _mesa_problem(ctx, "Trying to enable unknown extension: %s", name); } -void gl_extensions_ctr( GLcontext *ctx ) +/** + * Enable the named extension. + * Typically called by drivers. + */ +void +_mesa_enable_extension( GLcontext *ctx, const char *name ) { - GLuint i; - GLboolean *base = (GLboolean *)&ctx->Extensions; + set_extension(ctx, name, GL_TRUE); +} - ctx->Extensions.ext_string = 0; - ctx->Extensions.ext_list = MALLOC_STRUCT(extension); - make_empty_list( ctx->Extensions.ext_list ); + +/** + * Disable the named extension. + * XXX is this really needed??? + */ +void +_mesa_disable_extension( GLcontext *ctx, const char *name ) +{ + 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 ) +{ + const GLboolean *base = (const GLboolean *) &ctx->Extensions; + GLuint i; for (i = 0 ; i < Elements(default_extensions) ; i++) { - GLboolean *ptr = 0; + if (_mesa_strcmp(default_extensions[i].name, name) == 0) { + if (!default_extensions[i].flag_offset) + return GL_TRUE; + return *(base + default_extensions[i].flag_offset); + } + } + return GL_FALSE; +} - 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, - ptr); +/** + * Run through the default_extensions array above and set the + * ctx->Extensions.ARB/EXT_* flags accordingly. + * To be called during context initialization. + */ +void +_mesa_init_extensions( GLcontext *ctx ) +{ + GLboolean *base = (GLboolean *) &ctx->Extensions; + GLuint 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; + } } } -const char *gl_extensions_get_string( GLcontext *ctx ) +/** + * Construct the GL_EXTENSIONS string. Called the first time that + * glGetString(GL_EXTENSIONS) is called. + */ +GLubyte * +_mesa_make_extension_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 += strlen(i->name) + 1; - - if (len == 0) - return ""; - - str = (char *)MALLOC(len * sizeof(char)); - ctx->Extensions.ext_string = str; - - foreach (i, ctx->Extensions.ext_list) - if (i->enabled) { - strcpy(str, i->name); - str += strlen(str); - *str++ = ' '; - } - - *(str-1) = 0; + const GLboolean *base = (const GLboolean *) &ctx->Extensions; + GLuint extStrLen = 0; + GLubyte *s; + GLuint i; + + /* first, compute length of the extension string */ + for (i = 0 ; i < Elements(default_extensions) ; i++) { + if (!default_extensions[i].flag_offset || + *(base + default_extensions[i].flag_offset)) { + extStrLen += _mesa_strlen(default_extensions[i].name) + 1; + } + } + s = (GLubyte *) _mesa_malloc(extStrLen); + + /* 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++; + } } - - return ctx->Extensions.ext_string; + ASSERT(extStrLen > 0); + + s[extStrLen - 1] = 0; + + return s; }