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authormarha <marha@users.sourceforge.net>2010-12-29 12:20:21 +0000
committermarha <marha@users.sourceforge.net>2010-12-29 12:20:21 +0000
commit053f5dfd42ade05252e586a282e34906db10828d (patch)
treede215580ce205409a6d810a005c6c5909f3145d1 /mesalib/src/mesa/main/extensions.c
parent04ceb8c4a0cca3d8682f094d1d6faed8f693afb5 (diff)
parent807c6931fe683fd844ceec1b023232181e6aae03 (diff)
downloadvcxsrv-053f5dfd42ade05252e586a282e34906db10828d.tar.gz
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svn merge ^/branches/released .
Diffstat (limited to 'mesalib/src/mesa/main/extensions.c')
-rw-r--r--mesalib/src/mesa/main/extensions.c1976
1 files changed, 987 insertions, 989 deletions
diff --git a/mesalib/src/mesa/main/extensions.c b/mesalib/src/mesa/main/extensions.c
index 080fa98df..81978b3c1 100644
--- a/mesalib/src/mesa/main/extensions.c
+++ b/mesalib/src/mesa/main/extensions.c
@@ -1,989 +1,987 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.6
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (C) 2009 VMware, Inc. 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
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-#include "glheader.h"
-#include "imports.h"
-#include "context.h"
-#include "extensions.h"
-#include "mtypes.h"
-
-
-#define F(x) offsetof(struct gl_extensions, x)
-#define ON GL_TRUE
-#define OFF GL_FALSE
-
-
-/*
- * Note: The GL_MESAX_* extensions are placeholders for future ARB extensions.
- */
-static const struct {
- GLboolean enabled;
- const char *name;
- int flag_offset;
-} default_extensions[] = {
- { OFF, "GL_ARB_blend_func_extended", F(ARB_blend_func_extended) },
- { OFF, "GL_ARB_copy_buffer", F(ARB_copy_buffer) },
- { OFF, "GL_ARB_depth_buffer_float", F(ARB_depth_buffer_float) },
- { OFF, "GL_ARB_depth_clamp", F(ARB_depth_clamp) },
- { OFF, "GL_ARB_depth_texture", F(ARB_depth_texture) },
- { ON, "GL_ARB_draw_buffers", F(ARB_draw_buffers) },
- { OFF, "GL_ARB_draw_elements_base_vertex", F(ARB_draw_elements_base_vertex) },
- { OFF, "GL_ARB_draw_instanced", F(ARB_draw_instanced) },
- { OFF, "GL_ARB_fragment_coord_conventions", F(ARB_fragment_coord_conventions) },
- { OFF, "GL_ARB_fragment_program", F(ARB_fragment_program) },
- { OFF, "GL_ARB_fragment_program_shadow", F(ARB_fragment_program_shadow) },
- { OFF, "GL_ARB_fragment_shader", F(ARB_fragment_shader) },
- { OFF, "GL_ARB_framebuffer_object", F(ARB_framebuffer_object) },
- { OFF, "GL_ARB_explicit_attrib_location", F(ARB_explicit_attrib_location) },
- /* TODO: reenable this when the new GLSL compiler actually supports them */
- /* { OFF, "GL_ARB_geometry_shader4", F(ARB_geometry_shader4) }, */
- { OFF, "GL_ARB_half_float_pixel", F(ARB_half_float_pixel) },
- { OFF, "GL_ARB_half_float_vertex", F(ARB_half_float_vertex) },
- { OFF, "GL_ARB_imaging", F(ARB_imaging) },
- { OFF, "GL_ARB_instanced_arrays", F(ARB_instanced_arrays) },
- { OFF, "GL_ARB_map_buffer_range", F(ARB_map_buffer_range) },
- { ON, "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_occlusion_query2", F(ARB_occlusion_query2) },
- { 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_provoking_vertex", F(EXT_provoking_vertex) },
- { OFF, "GL_ARB_sampler_objects", F(ARB_sampler_objects) },
- { OFF, "GL_ARB_seamless_cube_map", F(ARB_seamless_cube_map) },
- { OFF, "GL_ARB_shader_objects", F(ARB_shader_objects) },
- { OFF, "GL_ARB_shading_language_100", F(ARB_shading_language_100) },
- { OFF, "GL_ARB_shadow", F(ARB_shadow) },
- { OFF, "GL_ARB_shadow_ambient", F(ARB_shadow_ambient) },
- { OFF, "GL_ARB_sync", F(ARB_sync) },
- { OFF, "GL_ARB_texture_border_clamp", F(ARB_texture_border_clamp) },
- { OFF, "GL_ARB_texture_buffer_object", F(ARB_texture_buffer_object) },
- { ON, "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_multisample", F(ARB_texture_multisample) },
- { OFF, "GL_ARB_texture_non_power_of_two", F(ARB_texture_non_power_of_two)},
- { OFF, "GL_ARB_texture_rectangle", F(NV_texture_rectangle) },
- { OFF, "GL_ARB_texture_rg", F(ARB_texture_rg) },
- { OFF, "GL_ARB_texture_rgb10_a2ui", F(ARB_texture_rgb10_a2ui) },
- { OFF, "GL_ARB_texture_swizzle", F(EXT_texture_swizzle) },
- { ON, "GL_ARB_transpose_matrix", F(ARB_transpose_matrix) },
- { OFF, "GL_ARB_transform_feedback2", F(ARB_transform_feedback2) },
- { OFF, "GL_ARB_uniform_buffer_object", F(ARB_uniform_buffer_object) },
- { OFF, "GL_ARB_vertex_array_bgra", F(EXT_vertex_array_bgra) },
- { OFF, "GL_ARB_vertex_array_object", F(ARB_vertex_array_object) },
- { ON, "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) },
- { OFF, "GL_ARB_vertex_type_2_10_10_10_rev", F(ARB_vertex_type_2_10_10_10_rev) },
- { 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) },
- { OFF, "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) },
- { OFF, "GL_EXT_draw_buffers2", F(EXT_draw_buffers2) },
- { OFF, "GL_EXT_draw_instanced", F(ARB_draw_instanced) },
- { ON, "GL_EXT_draw_range_elements", F(EXT_draw_range_elements) },
- { OFF, "GL_EXT_framebuffer_blit", F(EXT_framebuffer_blit) },
- { OFF, "GL_EXT_framebuffer_multisample", F(EXT_framebuffer_multisample) },
- { OFF, "GL_EXT_framebuffer_object", F(EXT_framebuffer_object) },
- { OFF, "GL_EXT_framebuffer_sRGB", F(EXT_framebuffer_sRGB) },
- { OFF, "GL_EXT_fog_coord", F(EXT_fog_coord) },
- { OFF, "GL_EXT_gpu_program_parameters", F(EXT_gpu_program_parameters) },
- { OFF, "GL_EXT_histogram", F(EXT_histogram) },
- { ON, "GL_EXT_multi_draw_arrays", F(EXT_multi_draw_arrays) },
- { OFF, "GL_EXT_packed_depth_stencil", F(EXT_packed_depth_stencil) },
- { OFF, "GL_EXT_packed_float", F(EXT_packed_float) },
- { 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) },
- { OFF, "GL_EXT_provoking_vertex", F(EXT_provoking_vertex) },
- { 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_array", F(EXT_texture_array) },
- { OFF, "GL_EXT_texture_compression_s3tc", F(EXT_texture_compression_s3tc) },
- { OFF, "GL_EXT_texture_compression_rgtc", F(EXT_texture_compression_rgtc) },
- { OFF, "GL_EXT_texture_cube_map", F(ARB_texture_cube_map) },
- { 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_integer", F(EXT_texture_integer) },
- { 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) },
- { OFF, "GL_EXT_texture_shared_exponent", F(EXT_texture_shared_exponent) },
- { OFF, "GL_EXT_texture_sRGB", F(EXT_texture_sRGB) },
- { OFF, "GL_EXT_texture_swizzle", F(EXT_texture_swizzle) },
- { OFF, "GL_EXT_timer_query", F(EXT_timer_query) },
- { OFF, "GL_EXT_transform_feedback", F(EXT_transform_feedback) },
- { ON, "GL_EXT_vertex_array", F(EXT_vertex_array) },
- { OFF, "GL_EXT_vertex_array_bgra", F(EXT_vertex_array_bgra) },
- { 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_APPLE_vertex_array_object", F(APPLE_vertex_array_object) },
- { OFF, "GL_APPLE_object_purgeable", F(APPLE_object_purgeable) },
- { OFF, "GL_ATI_blend_equation_separate", F(EXT_blend_equation_separate) },
- { OFF, "GL_ATI_envmap_bumpmap", F(ATI_envmap_bumpmap) },
- { 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_ATI_separate_stencil", F(ATI_separate_stencil)},
- { ON, "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_resize_buffers", F(MESA_resize_buffers) },
- { OFF, "GL_MESA_texture_array", F(MESA_texture_array) },
- { OFF, "GL_MESA_texture_signed_rgba", F(MESA_texture_signed_rgba) },
- { 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_conditional_render", F(NV_conditional_render) },
- { OFF, "GL_NV_depth_clamp", F(ARB_depth_clamp) },
- { OFF, "GL_NV_fragment_program", F(NV_fragment_program) },
- { OFF, "GL_NV_fragment_program_option", F(NV_fragment_program_option) },
- { ON, "GL_NV_light_max_exponent", F(NV_light_max_exponent) },
- { OFF, "GL_NV_packed_depth_stencil", F(EXT_packed_depth_stencil) },
- { OFF, "GL_NV_point_sprite", F(NV_point_sprite) },
- { OFF, "GL_NV_primitive_restart", F(NV_primitive_restart) },
- { ON, "GL_NV_texgen_reflection", F(NV_texgen_reflection) },
- { OFF, "GL_NV_texture_env_combine4", F(NV_texture_env_combine4) },
- { OFF, "GL_NV_texture_rectangle", F(NV_texture_rectangle) },
- { 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_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) },
- { ON, "GL_SUN_multi_draw_arrays", F(EXT_multi_draw_arrays) },
- { OFF, "GL_S3_s3tc", F(S3_s3tc) },
-#if FEATURE_OES_EGL_image
- { OFF, "GL_OES_EGL_image", F(OES_EGL_image) },
-#endif
-#if FEATURE_OES_draw_texture
- { OFF, "GL_OES_draw_texture", F(OES_draw_texture) },
-#endif /* FEATURE_OES_draw_texture */
-};
-
-
-
-/**
- * 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_copy_buffer = GL_TRUE;
- ctx->Extensions.ARB_depth_clamp = GL_TRUE;
- ctx->Extensions.ARB_depth_texture = GL_TRUE;
- /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
- ctx->Extensions.ARB_draw_elements_base_vertex = GL_TRUE;
- ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE;
-#if FEATURE_ARB_fragment_program
- ctx->Extensions.ARB_fragment_program = GL_TRUE;
- ctx->Extensions.ARB_fragment_program_shadow = GL_TRUE;
-#endif
-#if FEATURE_ARB_fragment_shader
- ctx->Extensions.ARB_fragment_shader = GL_TRUE;
-#endif
-#if FEATURE_ARB_framebuffer_object
- ctx->Extensions.ARB_framebuffer_object = GL_TRUE;
-#endif
-#if FEATURE_ARB_geometry_shader4
- ctx->Extensions.ARB_geometry_shader4 = GL_TRUE;
-#endif
- ctx->Extensions.ARB_half_float_pixel = GL_TRUE;
- ctx->Extensions.ARB_half_float_vertex = GL_TRUE;
- ctx->Extensions.ARB_imaging = GL_TRUE;
- ctx->Extensions.ARB_map_buffer_range = GL_TRUE;
- ctx->Extensions.ARB_multitexture = GL_TRUE;
-#if FEATURE_queryobj
- ctx->Extensions.ARB_occlusion_query = GL_TRUE;
-#endif
- ctx->Extensions.ARB_point_sprite = GL_TRUE;
-#if FEATURE_ARB_shader_objects
- ctx->Extensions.ARB_shader_objects = GL_TRUE;
-#endif
-#if FEATURE_ARB_shading_language_100
- ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
-#endif
- ctx->Extensions.ARB_shadow = GL_TRUE;
- ctx->Extensions.ARB_shadow_ambient = 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;
- ctx->Extensions.ARB_vertex_array_object = GL_TRUE;
-#if FEATURE_ARB_vertex_program
- ctx->Extensions.ARB_vertex_program = GL_TRUE;
-#endif
-#if FEATURE_ARB_vertex_shader
- ctx->Extensions.ARB_vertex_shader = GL_TRUE;
-#endif
-#if FEATURE_ARB_vertex_buffer_object
- /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/
-#endif
-#if FEATURE_ARB_sync
- ctx->Extensions.ARB_sync = GL_TRUE;
-#endif
- ctx->Extensions.APPLE_vertex_array_object = GL_TRUE;
-#if FEATURE_APPLE_object_purgeable
- ctx->Extensions.APPLE_object_purgeable = GL_TRUE;
-#endif
- ctx->Extensions.ATI_envmap_bumpmap = GL_TRUE;
-#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.ATI_separate_stencil = 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_draw_buffers2 = GL_TRUE;
- ctx->Extensions.EXT_fog_coord = GL_TRUE;
-#if FEATURE_EXT_framebuffer_object
- ctx->Extensions.EXT_framebuffer_object = GL_TRUE;
-#endif
-#if FEATURE_EXT_framebuffer_blit
- ctx->Extensions.EXT_framebuffer_blit = GL_TRUE;
-#endif
-#if FEATURE_ARB_framebuffer_object
- ctx->Extensions.EXT_framebuffer_multisample = GL_TRUE;
-#endif
- ctx->Extensions.EXT_histogram = GL_TRUE;
- /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/
- ctx->Extensions.EXT_packed_depth_stencil = 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_provoking_vertex = 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_array = 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;
-#if FEATURE_EXT_texture_sRGB
- ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
-#endif
- ctx->Extensions.EXT_texture_swizzle = GL_TRUE;
-#if FEATURE_EXT_transform_feedback
- /*ctx->Extensions.EXT_transform_feedback = GL_TRUE;*/
-#endif
- ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE;
- /*ctx->Extensions.IBM_multimode_draw_arrays = GL_TRUE;*/
- ctx->Extensions.MESA_pack_invert = GL_TRUE;
- ctx->Extensions.MESA_resize_buffers = GL_TRUE;
- ctx->Extensions.MESA_texture_array = GL_TRUE;
- ctx->Extensions.MESA_ycbcr_texture = GL_TRUE;
- ctx->Extensions.NV_blend_square = GL_TRUE;
- ctx->Extensions.NV_conditional_render = GL_TRUE;
- /*ctx->Extensions.NV_light_max_exponent = GL_TRUE;*/
- ctx->Extensions.NV_point_sprite = GL_TRUE;
- ctx->Extensions.NV_texture_env_combine4 = 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
-#if FEATURE_NV_fragment_program && FEATURE_ARB_fragment_program
- ctx->Extensions.NV_fragment_program_option = 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_texture_edge_clamp = GL_TRUE;
-#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program
- ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE;
-#endif
-#if FEATURE_texture_fxt1
- _mesa_enable_extension(ctx, "GL_3DFX_texture_compression_FXT1");
-#endif
-#if FEATURE_texture_s3tc
- if (ctx->Mesa_DXTn) {
- _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
- _mesa_enable_extension(ctx, "GL_S3_s3tc");
- }
-#endif
-}
-
-
-/**
- * Enable GL_ARB_imaging and all the EXT extensions that are subsets of it.
- */
-void
-_mesa_enable_imaging_extensions(GLcontext *ctx)
-{
- ctx->Extensions.ARB_imaging = GL_TRUE;
- ctx->Extensions.EXT_blend_color = 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_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)
-{
- /*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)
-{
- 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_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;
-}
-
-
-/**
- * Enable all OpenGL 1.5 features and extensions.
- * A convenience function to be called by drivers.
- */
-void
-_mesa_enable_1_5_extensions(GLcontext *ctx)
-{
- ctx->Extensions.ARB_occlusion_query = GL_TRUE;
- /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/
- ctx->Extensions.EXT_shadow_funcs = GL_TRUE;
-}
-
-
-/**
- * Enable all OpenGL 2.0 features and extensions.
- * A convenience function to be called by drivers.
- */
-void
-_mesa_enable_2_0_extensions(GLcontext *ctx)
-{
- /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
-#if FEATURE_ARB_fragment_shader
- ctx->Extensions.ARB_fragment_shader = GL_TRUE;
-#endif
- ctx->Extensions.ARB_point_sprite = GL_TRUE;
- ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;
- ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
-#if FEATURE_ARB_shader_objects
- ctx->Extensions.ARB_shader_objects = GL_TRUE;
-#endif
-#if FEATURE_ARB_shading_language_100
- ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
-#endif
- ctx->Extensions.EXT_stencil_two_side = GL_TRUE;
-#if FEATURE_ARB_vertex_shader
- ctx->Extensions.ARB_vertex_shader = GL_TRUE;
-#endif
-}
-
-
-/**
- * Enable all OpenGL 2.1 features and extensions.
- * A convenience function to be called by drivers.
- */
-void
-_mesa_enable_2_1_extensions(GLcontext *ctx)
-{
-#if FEATURE_EXT_pixel_buffer_object
- ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
-#endif
-#if FEATURE_EXT_texture_sRGB
- ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
-#endif
-}
-
-
-/**
- * Either enable or disable the named extension.
- * \return GL_TRUE for success, GL_FALSE if invalid extension name
- */
-static GLboolean
-set_extension( GLcontext *ctx, const char *name, GLboolean state )
-{
- 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 GL_FALSE;
- }
-
- for (i = 0 ; i < Elements(default_extensions) ; i++) {
- if (strcmp(default_extensions[i].name, name) == 0) {
- if (default_extensions[i].flag_offset) {
- GLboolean *enabled = base + default_extensions[i].flag_offset;
- *enabled = state;
- }
- return GL_TRUE;
- }
- }
- return GL_FALSE;
-}
-
-
-/**
- * Enable the named extension.
- * Typically called by drivers.
- */
-void
-_mesa_enable_extension( GLcontext *ctx, const char *name )
-{
- if (!set_extension(ctx, name, GL_TRUE))
- _mesa_problem(ctx, "Trying to enable unknown extension: %s", name);
-}
-
-
-/**
- * Disable the named extension.
- * XXX is this really needed???
- */
-void
-_mesa_disable_extension( GLcontext *ctx, const char *name )
-{
- if (!set_extension(ctx, name, GL_FALSE))
- _mesa_problem(ctx, "Trying to disable unknown extension: %s", name);
-}
-
-
-/**
- * Check if the i-th extension is enabled.
- */
-static GLboolean
-extension_enabled(GLcontext *ctx, GLuint index)
-{
- const GLboolean *base = (const GLboolean *) &ctx->Extensions;
- if (!default_extensions[index].flag_offset ||
- *(base + default_extensions[index].flag_offset)) {
- return GL_TRUE;
- }
- else {
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test if the named extension is enabled in this context.
- */
-GLboolean
-_mesa_extension_is_enabled( GLcontext *ctx, const char *name )
-{
- GLuint i;
-
- for (i = 0 ; i < Elements(default_extensions) ; i++) {
- if (strcmp(default_extensions[i].name, name) == 0) {
- return extension_enabled(ctx, i);
- }
- }
- return GL_FALSE;
-}
-
-
-/**
- * Append string 'b' onto string 'a'. Free 'a' and return new string.
- */
-static char *
-append(const char *a, const char *b)
-{
- const GLuint aLen = a ? strlen(a) : 0;
- const GLuint bLen = b ? strlen(b) : 0;
- char *s = calloc(1, aLen + bLen + 1);
- if (s) {
- if (a)
- memcpy(s, a, aLen);
- if (b)
- memcpy(s + aLen, b, bLen);
- s[aLen + bLen] = '\0';
- }
- if (a)
- free((void *) a);
- return s;
-}
-
-
-/**
- * Check the MESA_EXTENSION_OVERRIDE env var.
- * For extension names that are recognized, turn them on. For extension
- * names that are recognized and prefixed with '-', turn them off.
- * Return a string of the unknown/leftover names.
- */
-static const char *
-get_extension_override( GLcontext *ctx )
-{
- const char *envExt = _mesa_getenv("MESA_EXTENSION_OVERRIDE");
- char *extraExt = NULL;
- char ext[1000];
- GLuint extLen = 0;
- GLuint i;
- GLboolean disableExt = GL_FALSE;
-
- if (!envExt)
- return NULL;
-
- for (i = 0; ; i++) {
- if (envExt[i] == '\0' || envExt[i] == ' ') {
- /* terminate/process 'ext' if extLen > 0 */
- if (extLen > 0) {
- assert(extLen < sizeof(ext));
- /* enable extension named by 'ext' */
- ext[extLen] = 0;
- if (!set_extension(ctx, ext, !disableExt)) {
- /* unknown extension name, append it to extraExt */
- if (extraExt) {
- extraExt = append(extraExt, " ");
- }
- extraExt = append(extraExt, ext);
- }
- extLen = 0;
- disableExt = GL_FALSE;
- }
- if (envExt[i] == '\0')
- break;
- }
- else if (envExt[i] == '-') {
- disableExt = GL_TRUE;
- }
- else {
- /* accumulate this non-space character */
- ext[extLen++] = envExt[i];
- }
- }
-
- return extraExt;
-}
-
-
-/**
- * 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;
- }
- }
-}
-
-
-/**
- * Construct the GL_EXTENSIONS string. Called the first time that
- * glGetString(GL_EXTENSIONS) is called.
- */
-static GLubyte *
-compute_extensions( GLcontext *ctx )
-{
- const char *extraExt = get_extension_override(ctx);
- GLuint extStrLen = 0;
- char *s;
- GLuint i;
-
- /* first, compute length of the extension string */
- for (i = 0 ; i < Elements(default_extensions) ; i++) {
- if (extension_enabled(ctx, i)) {
- extStrLen += (GLuint) strlen(default_extensions[i].name) + 1;
- }
- }
-
- if (extraExt)
- extStrLen += strlen(extraExt) + 1; /* +1 for space */
-
- /* allocate the extension string */
- s = (char *) malloc(extStrLen);
- if (!s)
- return NULL;
-
- /* second, build the extension string */
- extStrLen = 0;
- for (i = 0 ; i < Elements(default_extensions) ; i++) {
- if (extension_enabled(ctx, i)) {
- GLuint len = (GLuint) strlen(default_extensions[i].name);
- memcpy(s + extStrLen, default_extensions[i].name, len);
- extStrLen += len;
- s[extStrLen] = ' ';
- extStrLen++;
- }
- }
- ASSERT(extStrLen > 0);
-
- s[extStrLen - 1] = 0; /* -1 to overwrite trailing the ' ' */
-
- if (extraExt) {
- s = append(s, " ");
- s = append(s, extraExt);
- }
-
- return (GLubyte *) s;
-}
-
-static size_t
-append_extension(GLubyte **str, const char *ext)
-{
- GLubyte *s = *str;
- size_t len = strlen(ext);
-
- if (s) {
- memcpy(s, ext, len);
- s[len++] = ' ';
- s[len] = '\0';
-
- *str += len;
- }
- else {
- len++;
- }
-
- return len;
-}
-
-
-static size_t
-make_extension_string_es1(const GLcontext *ctx, GLubyte *str)
-{
- size_t len = 0;
-
- /* Core additions */
- len += append_extension(&str, "GL_OES_byte_coordinates");
- len += append_extension(&str, "GL_OES_fixed_point");
- len += append_extension(&str, "GL_OES_single_precision");
- len += append_extension(&str, "GL_OES_matrix_get");
-
- /* 1.1 required extensions */
- len += append_extension(&str, "GL_OES_read_format");
- len += append_extension(&str, "GL_OES_compressed_paletted_texture");
- len += append_extension(&str, "GL_OES_point_size_array");
- len += append_extension(&str, "GL_OES_point_sprite");
-
- /* 1.1 deprecated extensions */
- len += append_extension(&str, "GL_OES_query_matrix");
-
-#if FEATURE_OES_draw_texture
- if (ctx->Extensions.OES_draw_texture)
- len += append_extension(&str, "GL_OES_draw_texture");
-#endif
-
- if (ctx->Extensions.EXT_blend_equation_separate)
- len += append_extension(&str, "GL_OES_blend_equation_separate");
- if (ctx->Extensions.EXT_blend_func_separate)
- len += append_extension(&str, "GL_OES_blend_func_separate");
- if (ctx->Extensions.EXT_blend_subtract)
- len += append_extension(&str, "GL_OES_blend_subtract");
-
- if (ctx->Extensions.EXT_stencil_wrap)
- len += append_extension(&str, "GL_OES_stencil_wrap");
-
- if (ctx->Extensions.ARB_texture_cube_map)
- len += append_extension(&str, "GL_OES_texture_cube_map");
- if (ctx->Extensions.ARB_texture_env_crossbar)
- len += append_extension(&str, "GL_OES_texture_env_crossbar");
- if (ctx->Extensions.ARB_texture_mirrored_repeat)
- len += append_extension(&str, "GL_OES_texture_mirrored_repeat");
-
- if (ctx->Extensions.ARB_framebuffer_object) {
- len += append_extension(&str, "GL_OES_framebuffer_object");
- len += append_extension(&str, "GL_OES_depth24");
- len += append_extension(&str, "GL_OES_depth32");
- len += append_extension(&str, "GL_OES_fbo_render_mipmap");
- len += append_extension(&str, "GL_OES_rgb8_rgba8");
- len += append_extension(&str, "GL_OES_stencil1");
- len += append_extension(&str, "GL_OES_stencil4");
- len += append_extension(&str, "GL_OES_stencil8");
- }
-
- if (ctx->Extensions.EXT_vertex_array)
- len += append_extension(&str, "GL_OES_element_index_uint");
- if (ctx->Extensions.ARB_vertex_buffer_object)
- len += append_extension(&str, "GL_OES_mapbuffer");
- if (ctx->Extensions.EXT_texture_filter_anisotropic)
- len += append_extension(&str, "GL_EXT_texture_filter_anisotropic");
-
- /* some applications check this for NPOT support */
- if (ctx->Extensions.ARB_texture_non_power_of_two)
- len += append_extension(&str, "GL_ARB_texture_non_power_of_two");
-
- if (ctx->Extensions.EXT_texture_compression_s3tc)
- len += append_extension(&str, "GL_EXT_texture_compression_dxt1");
- if (ctx->Extensions.EXT_texture_lod_bias)
- len += append_extension(&str, "GL_EXT_texture_lod_bias");
- if (ctx->Extensions.EXT_blend_minmax)
- len += append_extension(&str, "GL_EXT_blend_minmax");
- if (ctx->Extensions.EXT_multi_draw_arrays)
- len += append_extension(&str, "GL_EXT_multi_draw_arrays");
-
-#if FEATURE_OES_EGL_image
- if (ctx->Extensions.OES_EGL_image)
- len += append_extension(&str, "GL_OES_EGL_image");
-#endif
-
- return len;
-}
-
-
-static GLubyte *
-compute_extensions_es1(const GLcontext *ctx)
-{
- GLubyte *s;
- unsigned int len;
-
- len = make_extension_string_es1(ctx, NULL);
- s = malloc(len + 1);
- if (!s)
- return NULL;
- make_extension_string_es1(ctx, s);
-
- return s;
-}
-
-static size_t
-make_extension_string_es2(const GLcontext *ctx, GLubyte *str)
-{
- size_t len = 0;
-
- len += append_extension(&str, "GL_OES_compressed_paletted_texture");
-
- if (ctx->Extensions.ARB_framebuffer_object) {
- len += append_extension(&str, "GL_OES_depth24");
- len += append_extension(&str, "GL_OES_depth32");
- len += append_extension(&str, "GL_OES_fbo_render_mipmap");
- len += append_extension(&str, "GL_OES_rgb8_rgba8");
- len += append_extension(&str, "GL_OES_stencil1");
- len += append_extension(&str, "GL_OES_stencil4");
- }
-
- if (ctx->Extensions.EXT_vertex_array)
- len += append_extension(&str, "GL_OES_element_index_uint");
- if (ctx->Extensions.ARB_vertex_buffer_object)
- len += append_extension(&str, "GL_OES_mapbuffer");
-
- if (ctx->Extensions.EXT_texture3D)
- len += append_extension(&str, "GL_OES_texture_3D");
- if (ctx->Extensions.ARB_texture_non_power_of_two)
- len += append_extension(&str, "GL_OES_texture_npot");
- if (ctx->Extensions.EXT_texture_filter_anisotropic)
- len += append_extension(&str, "GL_EXT_texture_filter_anisotropic");
-
- len += append_extension(&str, "GL_EXT_texture_type_2_10_10_10_REV");
- if (ctx->Extensions.ARB_depth_texture)
- len += append_extension(&str, "GL_OES_depth_texture");
- if (ctx->Extensions.EXT_packed_depth_stencil)
- len += append_extension(&str, "GL_OES_packed_depth_stencil");
- if (ctx->Extensions.ARB_fragment_shader)
- len += append_extension(&str, "GL_OES_standard_derivatives");
-
- if (ctx->Extensions.EXT_texture_compression_s3tc)
- len += append_extension(&str, "GL_EXT_texture_compression_dxt1");
- if (ctx->Extensions.EXT_blend_minmax)
- len += append_extension(&str, "GL_EXT_blend_minmax");
- if (ctx->Extensions.EXT_multi_draw_arrays)
- len += append_extension(&str, "GL_EXT_multi_draw_arrays");
-
-#if FEATURE_OES_EGL_image
- if (ctx->Extensions.OES_EGL_image)
- len += append_extension(&str, "GL_OES_EGL_image");
-#endif
-
- return len;
-}
-
-static GLubyte *
-compute_extensions_es2(GLcontext *ctx)
-{
- GLubyte *s;
- unsigned int len;
-
- len = make_extension_string_es2(ctx, NULL);
- s = malloc(len + 1);
- if (!s)
- return NULL;
- make_extension_string_es2(ctx, s);
-
- return s;
-}
-
-
-GLubyte *
-_mesa_make_extension_string(GLcontext *ctx)
-{
- switch (ctx->API) {
- case API_OPENGL:
- return compute_extensions(ctx);
- case API_OPENGLES2:
- return compute_extensions_es2(ctx);
- case API_OPENGLES:
- return compute_extensions_es1(ctx);
- default:
- assert(0);
- return NULL;
- }
-}
-
-/**
- * Return number of enabled extensions.
- */
-GLuint
-_mesa_get_extension_count(GLcontext *ctx)
-{
- GLuint i;
-
- /* only count once */
- if (!ctx->Extensions.Count) {
- for (i = 0; i < Elements(default_extensions); i++) {
- if (extension_enabled(ctx, i)) {
- ctx->Extensions.Count++;
- }
- }
- }
-
- if (0)
- _mesa_debug(ctx, "%u of %d extensions enabled\n", ctx->Extensions.Count,
- (int) Elements(default_extensions));
-
- return ctx->Extensions.Count;
-}
-
-
-/**
- * Return name of i-th enabled extension
- */
-const GLubyte *
-_mesa_get_enabled_extension(GLcontext *ctx, GLuint index)
-{
- GLuint i;
-
- for (i = 0; i < Elements(default_extensions); i++) {
- if (extension_enabled(ctx, i)) {
- if (index == 0)
- return (const GLubyte *) default_extensions[i].name;
- index--;
- }
- }
-
- return NULL;
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.6
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. 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
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include "glheader.h"
+#include "imports.h"
+#include "context.h"
+#include "extensions.h"
+#include "mtypes.h"
+
+
+#define F(x) offsetof(struct gl_extensions, x)
+#define ON GL_TRUE
+#define OFF GL_FALSE
+
+
+/*
+ * Note: The GL_MESAX_* extensions are placeholders for future ARB extensions.
+ */
+static const struct {
+ GLboolean enabled;
+ const char *name;
+ int flag_offset;
+} default_extensions[] = {
+ { OFF, "GL_ARB_blend_func_extended", F(ARB_blend_func_extended) },
+ { ON, "GL_ARB_copy_buffer", F(ARB_copy_buffer) },
+ { OFF, "GL_ARB_depth_buffer_float", F(ARB_depth_buffer_float) },
+ { OFF, "GL_ARB_depth_clamp", F(ARB_depth_clamp) },
+ { OFF, "GL_ARB_depth_texture", F(ARB_depth_texture) },
+ { ON, "GL_ARB_draw_buffers", F(ARB_draw_buffers) },
+ { OFF, "GL_ARB_draw_elements_base_vertex", F(ARB_draw_elements_base_vertex) },
+ { OFF, "GL_ARB_draw_instanced", F(ARB_draw_instanced) },
+ { OFF, "GL_ARB_explicit_attrib_location", F(ARB_explicit_attrib_location) },
+ { OFF, "GL_ARB_fragment_coord_conventions", F(ARB_fragment_coord_conventions) },
+ { OFF, "GL_ARB_fragment_program", F(ARB_fragment_program) },
+ { OFF, "GL_ARB_fragment_program_shadow", F(ARB_fragment_program_shadow) },
+ { OFF, "GL_ARB_fragment_shader", F(ARB_fragment_shader) },
+ { OFF, "GL_ARB_framebuffer_object", F(ARB_framebuffer_object) },
+ /* TODO: reenable this when the new GLSL compiler actually supports them */
+ /* { OFF, "GL_ARB_geometry_shader4", F(ARB_geometry_shader4) }, */
+ { OFF, "GL_ARB_half_float_pixel", F(ARB_half_float_pixel) },
+ { OFF, "GL_ARB_half_float_vertex", F(ARB_half_float_vertex) },
+ { OFF, "GL_ARB_instanced_arrays", F(ARB_instanced_arrays) },
+ { OFF, "GL_ARB_map_buffer_range", F(ARB_map_buffer_range) },
+ { ON, "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_occlusion_query2", F(ARB_occlusion_query2) },
+ { 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_provoking_vertex", F(EXT_provoking_vertex) },
+ { OFF, "GL_ARB_sampler_objects", F(ARB_sampler_objects) },
+ { OFF, "GL_ARB_seamless_cube_map", F(ARB_seamless_cube_map) },
+ { OFF, "GL_ARB_shader_objects", F(ARB_shader_objects) },
+ { OFF, "GL_ARB_shader_stencil_export", F(ARB_shader_stencil_export) },
+ { OFF, "GL_ARB_shading_language_100", F(ARB_shading_language_100) },
+ { OFF, "GL_ARB_shadow", F(ARB_shadow) },
+ { OFF, "GL_ARB_shadow_ambient", F(ARB_shadow_ambient) },
+ { OFF, "GL_ARB_sync", F(ARB_sync) },
+ { OFF, "GL_ARB_texture_border_clamp", F(ARB_texture_border_clamp) },
+ { OFF, "GL_ARB_texture_buffer_object", F(ARB_texture_buffer_object) },
+ { ON, "GL_ARB_texture_compression", F(ARB_texture_compression) },
+ { OFF, "GL_ARB_texture_compression_rgtc", F(ARB_texture_compression_rgtc) },
+ { 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_multisample", F(ARB_texture_multisample) },
+ { OFF, "GL_ARB_texture_non_power_of_two", F(ARB_texture_non_power_of_two)},
+ { OFF, "GL_ARB_texture_rectangle", F(NV_texture_rectangle) },
+ { OFF, "GL_ARB_texture_rg", F(ARB_texture_rg) },
+ { OFF, "GL_ARB_texture_rgb10_a2ui", F(ARB_texture_rgb10_a2ui) },
+ { OFF, "GL_ARB_texture_swizzle", F(EXT_texture_swizzle) },
+ { ON, "GL_ARB_transpose_matrix", F(ARB_transpose_matrix) },
+ { OFF, "GL_ARB_transform_feedback2", F(ARB_transform_feedback2) },
+ { OFF, "GL_ARB_uniform_buffer_object", F(ARB_uniform_buffer_object) },
+ { OFF, "GL_ARB_vertex_array_bgra", F(EXT_vertex_array_bgra) },
+ { OFF, "GL_ARB_vertex_array_object", F(ARB_vertex_array_object) },
+ { ON, "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) },
+ { OFF, "GL_ARB_vertex_type_2_10_10_10_rev", F(ARB_vertex_type_2_10_10_10_rev) },
+ { 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) },
+ { OFF, "GL_EXT_clip_volume_hint", F(EXT_clip_volume_hint) },
+ { ON, "GL_EXT_compiled_vertex_array", F(EXT_compiled_vertex_array) },
+ { ON, "GL_EXT_copy_texture", F(EXT_copy_texture) },
+ { OFF, "GL_EXT_depth_bounds_test", F(EXT_depth_bounds_test) },
+ { OFF, "GL_EXT_draw_buffers2", F(EXT_draw_buffers2) },
+ { OFF, "GL_EXT_draw_instanced", F(ARB_draw_instanced) },
+ { ON, "GL_EXT_draw_range_elements", F(EXT_draw_range_elements) },
+ { OFF, "GL_EXT_framebuffer_blit", F(EXT_framebuffer_blit) },
+ { OFF, "GL_EXT_framebuffer_multisample", F(EXT_framebuffer_multisample) },
+ { OFF, "GL_EXT_framebuffer_object", F(EXT_framebuffer_object) },
+ { OFF, "GL_EXT_framebuffer_sRGB", F(EXT_framebuffer_sRGB) },
+ { OFF, "GL_EXT_fog_coord", F(EXT_fog_coord) },
+ { OFF, "GL_EXT_gpu_program_parameters", F(EXT_gpu_program_parameters) },
+ { OFF, "GL_EXT_gpu_shader4", F(EXT_gpu_shader4) },
+ { ON, "GL_EXT_multi_draw_arrays", F(EXT_multi_draw_arrays) },
+ { OFF, "GL_EXT_packed_depth_stencil", F(EXT_packed_depth_stencil) },
+ { OFF, "GL_EXT_packed_float", F(EXT_packed_float) },
+ { 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) },
+ { OFF, "GL_EXT_provoking_vertex", F(EXT_provoking_vertex) },
+ { ON, "GL_EXT_rescale_normal", F(EXT_rescale_normal) },
+ { OFF, "GL_EXT_secondary_color", F(EXT_secondary_color) },
+ { OFF, "GL_EXT_separate_shader_objects", F(EXT_separate_shader_objects) },
+ { 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_array", F(EXT_texture_array) },
+ { OFF, "GL_EXT_texture_compression_s3tc", F(EXT_texture_compression_s3tc) },
+ { OFF, "GL_EXT_texture_compression_rgtc", F(ARB_texture_compression_rgtc) },
+ { OFF, "GL_EXT_texture_cube_map", F(ARB_texture_cube_map) },
+ { 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_integer", F(EXT_texture_integer) },
+ { 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) },
+ { OFF, "GL_EXT_texture_shared_exponent", F(EXT_texture_shared_exponent) },
+ { OFF, "GL_EXT_texture_sRGB", F(EXT_texture_sRGB) },
+ { OFF, "GL_EXT_texture_swizzle", F(EXT_texture_swizzle) },
+ { OFF, "GL_EXT_timer_query", F(EXT_timer_query) },
+ { OFF, "GL_EXT_transform_feedback", F(EXT_transform_feedback) },
+ { ON, "GL_EXT_vertex_array", F(EXT_vertex_array) },
+ { OFF, "GL_EXT_vertex_array_bgra", F(EXT_vertex_array_bgra) },
+ { 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_APPLE_vertex_array_object", F(APPLE_vertex_array_object) },
+ { OFF, "GL_APPLE_object_purgeable", F(APPLE_object_purgeable) },
+ { OFF, "GL_ATI_blend_equation_separate", F(EXT_blend_equation_separate) },
+ { OFF, "GL_ATI_envmap_bumpmap", F(ATI_envmap_bumpmap) },
+ { 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_ATI_separate_stencil", F(ATI_separate_stencil)},
+ { ON, "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_resize_buffers", F(MESA_resize_buffers) },
+ { OFF, "GL_MESA_texture_array", F(MESA_texture_array) },
+ { OFF, "GL_MESA_texture_signed_rgba", F(MESA_texture_signed_rgba) },
+ { 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_conditional_render", F(NV_conditional_render) },
+ { OFF, "GL_NV_depth_clamp", F(ARB_depth_clamp) },
+ { OFF, "GL_NV_fragment_program", F(NV_fragment_program) },
+ { OFF, "GL_NV_fragment_program_option", F(NV_fragment_program_option) },
+ { ON, "GL_NV_light_max_exponent", F(NV_light_max_exponent) },
+ { OFF, "GL_NV_packed_depth_stencil", F(EXT_packed_depth_stencil) },
+ { OFF, "GL_NV_point_sprite", F(NV_point_sprite) },
+ { OFF, "GL_NV_primitive_restart", F(NV_primitive_restart) },
+ { ON, "GL_NV_texgen_reflection", F(NV_texgen_reflection) },
+ { OFF, "GL_NV_texture_env_combine4", F(NV_texture_env_combine4) },
+ { OFF, "GL_NV_texture_rectangle", F(NV_texture_rectangle) },
+ { 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_texture_color_table", F(SGI_texture_color_table) },
+ { ON, "GL_SGIS_generate_mipmap", F(SGIS_generate_mipmap) },
+ { 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) },
+ { ON, "GL_SUN_multi_draw_arrays", F(EXT_multi_draw_arrays) },
+ { OFF, "GL_S3_s3tc", F(S3_s3tc) },
+ { OFF, "GL_EXT_texture_format_BGRA8888", F(EXT_texture_format_BGRA8888) },
+#if FEATURE_OES_EGL_image
+ { OFF, "GL_OES_EGL_image", F(OES_EGL_image) },
+#endif
+#if FEATURE_OES_draw_texture
+ { OFF, "GL_OES_draw_texture", F(OES_draw_texture) },
+#endif /* FEATURE_OES_draw_texture */
+};
+
+
+
+/**
+ * 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(struct gl_context *ctx)
+{
+ /*ctx->Extensions.ARB_copy_buffer = GL_TRUE;*/
+ ctx->Extensions.ARB_depth_clamp = GL_TRUE;
+ ctx->Extensions.ARB_depth_texture = GL_TRUE;
+ /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
+ ctx->Extensions.ARB_draw_elements_base_vertex = GL_TRUE;
+ ctx->Extensions.ARB_explicit_attrib_location = GL_TRUE;
+ ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE;
+#if FEATURE_ARB_fragment_program
+ ctx->Extensions.ARB_fragment_program = GL_TRUE;
+ ctx->Extensions.ARB_fragment_program_shadow = GL_TRUE;
+#endif
+#if FEATURE_ARB_fragment_shader
+ ctx->Extensions.ARB_fragment_shader = GL_TRUE;
+#endif
+#if FEATURE_ARB_framebuffer_object
+ ctx->Extensions.ARB_framebuffer_object = GL_TRUE;
+#endif
+#if FEATURE_ARB_geometry_shader4 && 0
+ /* XXX re-enable when GLSL compiler again supports geometry shaders */
+ ctx->Extensions.ARB_geometry_shader4 = GL_TRUE;
+#endif
+ ctx->Extensions.ARB_half_float_pixel = GL_TRUE;
+ ctx->Extensions.ARB_half_float_vertex = GL_TRUE;
+ ctx->Extensions.ARB_map_buffer_range = GL_TRUE;
+ ctx->Extensions.ARB_multitexture = GL_TRUE;
+#if FEATURE_queryobj
+ ctx->Extensions.ARB_occlusion_query = GL_TRUE;
+ ctx->Extensions.ARB_occlusion_query2 = GL_TRUE;
+#endif
+ ctx->Extensions.ARB_point_sprite = GL_TRUE;
+#if FEATURE_ARB_shader_objects
+ ctx->Extensions.ARB_shader_objects = GL_TRUE;
+ ctx->Extensions.EXT_separate_shader_objects = GL_TRUE;
+#endif
+#if FEATURE_ARB_shading_language_100
+ ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
+#endif
+ ctx->Extensions.ARB_shadow = GL_TRUE;
+ ctx->Extensions.ARB_shadow_ambient = 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;
+ ctx->Extensions.ARB_texture_rg = GL_TRUE;
+ ctx->Extensions.ARB_vertex_array_object = GL_TRUE;
+#if FEATURE_ARB_vertex_program
+ ctx->Extensions.ARB_vertex_program = GL_TRUE;
+#endif
+#if FEATURE_ARB_vertex_shader
+ ctx->Extensions.ARB_vertex_shader = GL_TRUE;
+#endif
+#if FEATURE_ARB_vertex_buffer_object
+ /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/
+#endif
+#if FEATURE_ARB_sync
+ ctx->Extensions.ARB_sync = GL_TRUE;
+#endif
+ ctx->Extensions.APPLE_vertex_array_object = GL_TRUE;
+#if FEATURE_APPLE_object_purgeable
+ ctx->Extensions.APPLE_object_purgeable = GL_TRUE;
+#endif
+ ctx->Extensions.ATI_envmap_bumpmap = GL_TRUE;
+#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.ATI_separate_stencil = 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_depth_bounds_test = GL_TRUE;
+ ctx->Extensions.EXT_draw_buffers2 = GL_TRUE;
+ ctx->Extensions.EXT_fog_coord = GL_TRUE;
+#if FEATURE_EXT_framebuffer_object
+ ctx->Extensions.EXT_framebuffer_object = GL_TRUE;
+#endif
+#if FEATURE_EXT_framebuffer_blit
+ ctx->Extensions.EXT_framebuffer_blit = GL_TRUE;
+#endif
+#if FEATURE_ARB_framebuffer_object
+ ctx->Extensions.EXT_framebuffer_multisample = GL_TRUE;
+#endif
+ /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/
+ ctx->Extensions.EXT_packed_depth_stencil = 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_provoking_vertex = 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_array = 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;
+#if FEATURE_EXT_texture_sRGB
+ ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
+#endif
+ ctx->Extensions.EXT_texture_swizzle = GL_TRUE;
+#if FEATURE_EXT_transform_feedback
+ /*ctx->Extensions.EXT_transform_feedback = GL_TRUE;*/
+#endif
+ ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE;
+ /*ctx->Extensions.IBM_multimode_draw_arrays = GL_TRUE;*/
+ ctx->Extensions.MESA_pack_invert = GL_TRUE;
+ ctx->Extensions.MESA_resize_buffers = GL_TRUE;
+ ctx->Extensions.MESA_texture_array = GL_TRUE;
+ ctx->Extensions.MESA_ycbcr_texture = GL_TRUE;
+ ctx->Extensions.NV_blend_square = GL_TRUE;
+ ctx->Extensions.NV_conditional_render = GL_TRUE;
+ /*ctx->Extensions.NV_light_max_exponent = GL_TRUE;*/
+ ctx->Extensions.NV_point_sprite = GL_TRUE;
+ ctx->Extensions.NV_texture_env_combine4 = 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
+#if FEATURE_NV_fragment_program && FEATURE_ARB_fragment_program
+ ctx->Extensions.NV_fragment_program_option = GL_TRUE;
+#endif
+ ctx->Extensions.SGI_texture_color_table = GL_TRUE;
+ /*ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;*/
+ ctx->Extensions.SGIS_texture_edge_clamp = GL_TRUE;
+#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program
+ ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE;
+#endif
+#if FEATURE_texture_fxt1
+ _mesa_enable_extension(ctx, "GL_3DFX_texture_compression_FXT1");
+#endif
+#if FEATURE_texture_s3tc
+ if (ctx->Mesa_DXTn) {
+ _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
+ _mesa_enable_extension(ctx, "GL_S3_s3tc");
+ }
+#endif
+}
+
+
+/**
+ * Enable common EXT extensions in the ARB_imaging subset.
+ */
+void
+_mesa_enable_imaging_extensions(struct gl_context *ctx)
+{
+ ctx->Extensions.EXT_blend_color = GL_TRUE;
+ ctx->Extensions.EXT_blend_logic_op = GL_TRUE;
+ ctx->Extensions.EXT_blend_minmax = GL_TRUE;
+ ctx->Extensions.EXT_blend_subtract = GL_TRUE;
+}
+
+
+
+/**
+ * Enable all OpenGL 1.3 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_1_3_extensions(struct gl_context *ctx)
+{
+ /*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(struct gl_context *ctx)
+{
+ 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_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;*/
+}
+
+
+/**
+ * Enable all OpenGL 1.5 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_1_5_extensions(struct gl_context *ctx)
+{
+ ctx->Extensions.ARB_occlusion_query = GL_TRUE;
+ /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/
+ ctx->Extensions.EXT_shadow_funcs = GL_TRUE;
+}
+
+
+/**
+ * Enable all OpenGL 2.0 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_2_0_extensions(struct gl_context *ctx)
+{
+ /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
+#if FEATURE_ARB_fragment_shader
+ ctx->Extensions.ARB_fragment_shader = GL_TRUE;
+#endif
+ ctx->Extensions.ARB_point_sprite = GL_TRUE;
+ ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;
+ ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
+#if FEATURE_ARB_shader_objects
+ ctx->Extensions.ARB_shader_objects = GL_TRUE;
+#endif
+#if FEATURE_ARB_shading_language_100
+ ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
+#endif
+ ctx->Extensions.EXT_stencil_two_side = GL_TRUE;
+#if FEATURE_ARB_vertex_shader
+ ctx->Extensions.ARB_vertex_shader = GL_TRUE;
+#endif
+}
+
+
+/**
+ * Enable all OpenGL 2.1 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_2_1_extensions(struct gl_context *ctx)
+{
+#if FEATURE_EXT_pixel_buffer_object
+ ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
+#endif
+#if FEATURE_EXT_texture_sRGB
+ ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
+#endif
+}
+
+
+/**
+ * Either enable or disable the named extension.
+ * \return GL_TRUE for success, GL_FALSE if invalid extension name
+ */
+static GLboolean
+set_extension( struct gl_context *ctx, const char *name, GLboolean state )
+{
+ 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 GL_FALSE;
+ }
+
+ for (i = 0 ; i < Elements(default_extensions) ; i++) {
+ if (strcmp(default_extensions[i].name, name) == 0) {
+ if (default_extensions[i].flag_offset) {
+ GLboolean *enabled = base + default_extensions[i].flag_offset;
+ *enabled = state;
+ }
+ return GL_TRUE;
+ }
+ }
+ return GL_FALSE;
+}
+
+
+/**
+ * Enable the named extension.
+ * Typically called by drivers.
+ */
+void
+_mesa_enable_extension( struct gl_context *ctx, const char *name )
+{
+ if (!set_extension(ctx, name, GL_TRUE))
+ _mesa_problem(ctx, "Trying to enable unknown extension: %s", name);
+}
+
+
+/**
+ * Disable the named extension.
+ * XXX is this really needed???
+ */
+void
+_mesa_disable_extension( struct gl_context *ctx, const char *name )
+{
+ if (!set_extension(ctx, name, GL_FALSE))
+ _mesa_problem(ctx, "Trying to disable unknown extension: %s", name);
+}
+
+
+/**
+ * Check if the i-th extension is enabled.
+ */
+static GLboolean
+extension_enabled(struct gl_context *ctx, GLuint index)
+{
+ const GLboolean *base = (const GLboolean *) &ctx->Extensions;
+ if (!default_extensions[index].flag_offset ||
+ *(base + default_extensions[index].flag_offset)) {
+ return GL_TRUE;
+ }
+ else {
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Test if the named extension is enabled in this context.
+ */
+GLboolean
+_mesa_extension_is_enabled( struct gl_context *ctx, const char *name )
+{
+ GLuint i;
+
+ for (i = 0 ; i < Elements(default_extensions) ; i++) {
+ if (strcmp(default_extensions[i].name, name) == 0) {
+ return extension_enabled(ctx, i);
+ }
+ }
+ return GL_FALSE;
+}
+
+
+/**
+ * Append string 'b' onto string 'a'. Free 'a' and return new string.
+ */
+static char *
+append(const char *a, const char *b)
+{
+ const GLuint aLen = a ? strlen(a) : 0;
+ const GLuint bLen = b ? strlen(b) : 0;
+ char *s = calloc(1, aLen + bLen + 1);
+ if (s) {
+ if (a)
+ memcpy(s, a, aLen);
+ if (b)
+ memcpy(s + aLen, b, bLen);
+ s[aLen + bLen] = '\0';
+ }
+ if (a)
+ free((void *) a);
+ return s;
+}
+
+
+/**
+ * Check the MESA_EXTENSION_OVERRIDE env var.
+ * For extension names that are recognized, turn them on. For extension
+ * names that are recognized and prefixed with '-', turn them off.
+ * Return a string of the unknown/leftover names.
+ */
+static const char *
+get_extension_override( struct gl_context *ctx )
+{
+ const char *envExt = _mesa_getenv("MESA_EXTENSION_OVERRIDE");
+ char *extraExt = NULL;
+ char ext[1000];
+ GLuint extLen = 0;
+ GLuint i;
+ GLboolean disableExt = GL_FALSE;
+
+ if (!envExt)
+ return NULL;
+
+ for (i = 0; ; i++) {
+ if (envExt[i] == '\0' || envExt[i] == ' ') {
+ /* terminate/process 'ext' if extLen > 0 */
+ if (extLen > 0) {
+ assert(extLen < sizeof(ext));
+ /* enable extension named by 'ext' */
+ ext[extLen] = 0;
+ if (!set_extension(ctx, ext, !disableExt)) {
+ /* unknown extension name, append it to extraExt */
+ if (extraExt) {
+ extraExt = append(extraExt, " ");
+ }
+ extraExt = append(extraExt, ext);
+ }
+ extLen = 0;
+ disableExt = GL_FALSE;
+ }
+ if (envExt[i] == '\0')
+ break;
+ }
+ else if (envExt[i] == '-') {
+ disableExt = GL_TRUE;
+ }
+ else {
+ /* accumulate this non-space character */
+ ext[extLen++] = envExt[i];
+ }
+ }
+
+ return extraExt;
+}
+
+
+/**
+ * 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( struct gl_context *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;
+ }
+ }
+}
+
+
+/**
+ * Construct the GL_EXTENSIONS string. Called the first time that
+ * glGetString(GL_EXTENSIONS) is called.
+ */
+static GLubyte *
+compute_extensions( struct gl_context *ctx )
+{
+ const char *extraExt = get_extension_override(ctx);
+ GLuint extStrLen = 0;
+ char *s;
+ GLuint i;
+
+ /* first, compute length of the extension string */
+ for (i = 0 ; i < Elements(default_extensions) ; i++) {
+ if (extension_enabled(ctx, i)) {
+ extStrLen += (GLuint) strlen(default_extensions[i].name) + 1;
+ }
+ }
+
+ if (extraExt)
+ extStrLen += strlen(extraExt) + 1; /* +1 for space */
+
+ /* allocate the extension string */
+ s = (char *) malloc(extStrLen);
+ if (!s)
+ return NULL;
+
+ /* second, build the extension string */
+ extStrLen = 0;
+ for (i = 0 ; i < Elements(default_extensions) ; i++) {
+ if (extension_enabled(ctx, i)) {
+ GLuint len = (GLuint) strlen(default_extensions[i].name);
+ memcpy(s + extStrLen, default_extensions[i].name, len);
+ extStrLen += len;
+ s[extStrLen] = ' ';
+ extStrLen++;
+ }
+ }
+ ASSERT(extStrLen > 0);
+
+ s[extStrLen - 1] = 0; /* -1 to overwrite trailing the ' ' */
+
+ if (extraExt) {
+ s = append(s, " ");
+ s = append(s, extraExt);
+ }
+
+ return (GLubyte *) s;
+}
+
+static size_t
+append_extension(GLubyte **str, const char *ext)
+{
+ GLubyte *s = *str;
+ size_t len = strlen(ext);
+
+ if (s) {
+ memcpy(s, ext, len);
+ s[len++] = ' ';
+ s[len] = '\0';
+
+ *str += len;
+ }
+ else {
+ len++;
+ }
+
+ return len;
+}
+
+
+static size_t
+make_extension_string_es1(const struct gl_context *ctx, GLubyte *str)
+{
+ size_t len = 0;
+
+ /* Core additions */
+ len += append_extension(&str, "GL_OES_byte_coordinates");
+ len += append_extension(&str, "GL_OES_fixed_point");
+ len += append_extension(&str, "GL_OES_single_precision");
+ len += append_extension(&str, "GL_OES_matrix_get");
+
+ /* 1.1 required extensions */
+ len += append_extension(&str, "GL_OES_read_format");
+ len += append_extension(&str, "GL_OES_compressed_paletted_texture");
+ len += append_extension(&str, "GL_OES_point_size_array");
+ len += append_extension(&str, "GL_OES_point_sprite");
+
+ /* 1.1 deprecated extensions */
+ len += append_extension(&str, "GL_OES_query_matrix");
+
+#if FEATURE_OES_draw_texture
+ if (ctx->Extensions.OES_draw_texture)
+ len += append_extension(&str, "GL_OES_draw_texture");
+#endif
+
+ if (ctx->Extensions.EXT_blend_equation_separate)
+ len += append_extension(&str, "GL_OES_blend_equation_separate");
+ if (ctx->Extensions.EXT_blend_func_separate)
+ len += append_extension(&str, "GL_OES_blend_func_separate");
+ if (ctx->Extensions.EXT_blend_subtract)
+ len += append_extension(&str, "GL_OES_blend_subtract");
+
+ if (ctx->Extensions.EXT_stencil_wrap)
+ len += append_extension(&str, "GL_OES_stencil_wrap");
+
+ if (ctx->Extensions.ARB_texture_cube_map)
+ len += append_extension(&str, "GL_OES_texture_cube_map");
+ if (ctx->Extensions.ARB_texture_env_crossbar)
+ len += append_extension(&str, "GL_OES_texture_env_crossbar");
+ if (ctx->Extensions.ARB_texture_mirrored_repeat)
+ len += append_extension(&str, "GL_OES_texture_mirrored_repeat");
+
+ if (ctx->Extensions.ARB_framebuffer_object) {
+ len += append_extension(&str, "GL_OES_framebuffer_object");
+ len += append_extension(&str, "GL_OES_depth24");
+ len += append_extension(&str, "GL_OES_depth32");
+ len += append_extension(&str, "GL_OES_fbo_render_mipmap");
+ len += append_extension(&str, "GL_OES_rgb8_rgba8");
+ len += append_extension(&str, "GL_OES_stencil1");
+ len += append_extension(&str, "GL_OES_stencil4");
+ len += append_extension(&str, "GL_OES_stencil8");
+ }
+
+ if (ctx->Extensions.EXT_vertex_array)
+ len += append_extension(&str, "GL_OES_element_index_uint");
+ if (ctx->Extensions.ARB_vertex_buffer_object)
+ len += append_extension(&str, "GL_OES_mapbuffer");
+ if (ctx->Extensions.EXT_texture_filter_anisotropic)
+ len += append_extension(&str, "GL_EXT_texture_filter_anisotropic");
+
+ /* some applications check this for NPOT support */
+ if (ctx->Extensions.ARB_texture_non_power_of_two)
+ len += append_extension(&str, "GL_ARB_texture_non_power_of_two");
+
+ if (ctx->Extensions.EXT_texture_compression_s3tc)
+ len += append_extension(&str, "GL_EXT_texture_compression_dxt1");
+ if (ctx->Extensions.EXT_texture_lod_bias)
+ len += append_extension(&str, "GL_EXT_texture_lod_bias");
+ if (ctx->Extensions.EXT_blend_minmax)
+ len += append_extension(&str, "GL_EXT_blend_minmax");
+ if (ctx->Extensions.EXT_multi_draw_arrays)
+ len += append_extension(&str, "GL_EXT_multi_draw_arrays");
+
+#if FEATURE_OES_EGL_image
+ if (ctx->Extensions.OES_EGL_image)
+ len += append_extension(&str, "GL_OES_EGL_image");
+#endif
+
+ return len;
+}
+
+
+static GLubyte *
+compute_extensions_es1(const struct gl_context *ctx)
+{
+ GLubyte *s;
+ unsigned int len;
+
+ len = make_extension_string_es1(ctx, NULL);
+ s = malloc(len + 1);
+ if (!s)
+ return NULL;
+ make_extension_string_es1(ctx, s);
+
+ return s;
+}
+
+static size_t
+make_extension_string_es2(const struct gl_context *ctx, GLubyte *str)
+{
+ size_t len = 0;
+
+ if (ctx->Extensions.ARB_framebuffer_object) {
+ len += append_extension(&str, "GL_OES_depth24");
+ len += append_extension(&str, "GL_OES_depth32");
+ len += append_extension(&str, "GL_OES_fbo_render_mipmap");
+ len += append_extension(&str, "GL_OES_rgb8_rgba8");
+ len += append_extension(&str, "GL_OES_stencil1");
+ len += append_extension(&str, "GL_OES_stencil4");
+ }
+
+ if (ctx->Extensions.EXT_vertex_array)
+ len += append_extension(&str, "GL_OES_element_index_uint");
+ if (ctx->Extensions.ARB_vertex_buffer_object)
+ len += append_extension(&str, "GL_OES_mapbuffer");
+
+#if 0
+ /* disabled because of missing GLSL support */
+ if (ctx->Extensions.EXT_texture3D)
+ len += append_extension(&str, "GL_OES_texture_3D");
+#endif
+
+ if (ctx->Extensions.ARB_texture_non_power_of_two)
+ len += append_extension(&str, "GL_OES_texture_npot");
+ if (ctx->Extensions.EXT_texture_filter_anisotropic)
+ len += append_extension(&str, "GL_EXT_texture_filter_anisotropic");
+
+ len += append_extension(&str, "GL_EXT_texture_type_2_10_10_10_REV");
+ if (ctx->Extensions.ARB_depth_texture)
+ len += append_extension(&str, "GL_OES_depth_texture");
+ if (ctx->Extensions.EXT_packed_depth_stencil)
+ len += append_extension(&str, "GL_OES_packed_depth_stencil");
+ if (ctx->Extensions.ARB_fragment_shader)
+ len += append_extension(&str, "GL_OES_standard_derivatives");
+
+ if (ctx->Extensions.EXT_texture_compression_s3tc)
+ len += append_extension(&str, "GL_EXT_texture_compression_dxt1");
+ if (ctx->Extensions.EXT_blend_minmax)
+ len += append_extension(&str, "GL_EXT_blend_minmax");
+ if (ctx->Extensions.EXT_multi_draw_arrays)
+ len += append_extension(&str, "GL_EXT_multi_draw_arrays");
+
+#if FEATURE_OES_EGL_image
+ if (ctx->Extensions.OES_EGL_image)
+ len += append_extension(&str, "GL_OES_EGL_image");
+#endif
+
+ if (ctx->Extensions.EXT_texture_format_BGRA8888)
+ len += append_extension(&str, "GL_EXT_texture_format_BGRA8888");
+
+ return len;
+}
+
+static GLubyte *
+compute_extensions_es2(struct gl_context *ctx)
+{
+ GLubyte *s;
+ unsigned int len;
+
+ len = make_extension_string_es2(ctx, NULL);
+ s = malloc(len + 1);
+ if (!s)
+ return NULL;
+ make_extension_string_es2(ctx, s);
+
+ return s;
+}
+
+
+GLubyte *
+_mesa_make_extension_string(struct gl_context *ctx)
+{
+ switch (ctx->API) {
+ case API_OPENGL:
+ return compute_extensions(ctx);
+ case API_OPENGLES2:
+ return compute_extensions_es2(ctx);
+ case API_OPENGLES:
+ return compute_extensions_es1(ctx);
+ default:
+ assert(0);
+ return NULL;
+ }
+}
+
+/**
+ * Return number of enabled extensions.
+ */
+GLuint
+_mesa_get_extension_count(struct gl_context *ctx)
+{
+ GLuint i;
+
+ /* only count once */
+ if (!ctx->Extensions.Count) {
+ for (i = 0; i < Elements(default_extensions); i++) {
+ if (extension_enabled(ctx, i)) {
+ ctx->Extensions.Count++;
+ }
+ }
+ }
+
+ if (0)
+ _mesa_debug(ctx, "%u of %d extensions enabled\n", ctx->Extensions.Count,
+ (int) Elements(default_extensions));
+
+ return ctx->Extensions.Count;
+}
+
+
+/**
+ * Return name of i-th enabled extension
+ */
+const GLubyte *
+_mesa_get_enabled_extension(struct gl_context *ctx, GLuint index)
+{
+ GLuint i;
+
+ for (i = 0; i < Elements(default_extensions); i++) {
+ if (extension_enabled(ctx, i)) {
+ if (index == 0)
+ return (const GLubyte *) default_extensions[i].name;
+ index--;
+ }
+ }
+
+ return NULL;
+}