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/**************************************************************************
*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* 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, sub license, 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 (including the
* next paragraph) 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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 "main/mfeatures.h"
#include "intel_chipset.h"
#include "intel_context.h"
#include "intel_extensions.h"
#include "utils.h"
#define need_GL_ARB_ES2_compatibility
#define need_GL_ARB_draw_elements_base_vertex
#define need_GL_ARB_framebuffer_object
#define need_GL_ARB_map_buffer_range
#define need_GL_ARB_occlusion_query
#define need_GL_ARB_point_parameters
#define need_GL_ARB_shader_objects
#define need_GL_ARB_sync
#define need_GL_ARB_vertex_array_object
#define need_GL_ARB_vertex_program
#define need_GL_ARB_vertex_shader
#define need_GL_ARB_window_pos
#define need_GL_EXT_blend_color
#define need_GL_EXT_blend_equation_separate
#define need_GL_EXT_blend_func_separate
#define need_GL_EXT_blend_minmax
#define need_GL_EXT_draw_buffers2
#define need_GL_EXT_fog_coord
#define need_GL_EXT_framebuffer_blit
#define need_GL_EXT_framebuffer_multisample
#define need_GL_EXT_framebuffer_object
#define need_GL_EXT_gpu_program_parameters
#define need_GL_EXT_point_parameters
#define need_GL_EXT_provoking_vertex
#define need_GL_EXT_secondary_color
#define need_GL_EXT_separate_shader_objects
#define need_GL_EXT_stencil_two_side
#define need_GL_EXT_timer_query
#define need_GL_APPLE_vertex_array_object
#define need_GL_APPLE_object_purgeable
#define need_GL_ATI_separate_stencil
#define need_GL_ATI_envmap_bumpmap
#define need_GL_NV_point_sprite
#define need_GL_NV_vertex_program
#define need_GL_OES_EGL_image
#define need_GL_VERSION_2_0
#define need_GL_VERSION_2_1
#include "main/remap_helper.h"
/**
* Extension strings exported by the intel driver.
*
* Extensions supported by all chips supported by i830_dri, i915_dri, or
* i965_dri.
*/
static const struct dri_extension card_extensions[] = {
{ "GL_ARB_ES2_compatibility", GL_ARB_ES2_compatibility_functions },
{ "GL_ARB_draw_elements_base_vertex", GL_ARB_draw_elements_base_vertex_functions },
{ "GL_ARB_explicit_attrib_location", NULL },
{ "GL_ARB_framebuffer_object", GL_ARB_framebuffer_object_functions},
{ "GL_ARB_half_float_pixel", NULL },
{ "GL_ARB_map_buffer_range", GL_ARB_map_buffer_range_functions },
{ "GL_ARB_multitexture", NULL },
{ "GL_ARB_pixel_buffer_object", NULL },
{ "GL_ARB_point_parameters", GL_ARB_point_parameters_functions },
{ "GL_ARB_point_sprite", NULL },
{ "GL_ARB_sampler_objects", NULL },
{ "GL_ARB_shader_objects", GL_ARB_shader_objects_functions },
{ "GL_ARB_shading_language_100", GL_VERSION_2_0_functions },
{ "GL_ARB_sync", GL_ARB_sync_functions },
{ "GL_ARB_texture_border_clamp", NULL },
{ "GL_ARB_texture_cube_map", NULL },
{ "GL_ARB_texture_env_add", NULL },
{ "GL_ARB_texture_env_combine", NULL },
{ "GL_ARB_texture_env_crossbar", NULL },
{ "GL_ARB_texture_env_dot3", NULL },
{ "GL_ARB_texture_mirrored_repeat", NULL },
{ "GL_ARB_texture_rectangle", NULL },
{ "GL_ARB_vertex_array_object", GL_ARB_vertex_array_object_functions},
{ "GL_ARB_vertex_program", GL_ARB_vertex_program_functions },
{ "GL_ARB_vertex_shader", GL_ARB_vertex_shader_functions },
{ "GL_ARB_window_pos", GL_ARB_window_pos_functions },
{ "GL_EXT_blend_color", GL_EXT_blend_color_functions },
{ "GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions },
{ "GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions },
{ "GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions },
{ "GL_EXT_blend_logic_op", NULL },
{ "GL_EXT_blend_subtract", NULL },
{ "GL_EXT_framebuffer_blit", GL_EXT_framebuffer_blit_functions },
{ "GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions },
{ "GL_EXT_framebuffer_multisample", GL_EXT_framebuffer_multisample_functions },
{ "GL_EXT_fog_coord", GL_EXT_fog_coord_functions },
{ "GL_EXT_gpu_program_parameters", GL_EXT_gpu_program_parameters_functions },
{ "GL_EXT_packed_depth_stencil", NULL },
{ "GL_EXT_provoking_vertex", GL_EXT_provoking_vertex_functions },
{ "GL_EXT_secondary_color", GL_EXT_secondary_color_functions },
{ "GL_EXT_separate_shader_objects", GL_EXT_separate_shader_objects_functions },
{ "GL_EXT_stencil_wrap", NULL },
{ "GL_EXT_texture_edge_clamp", NULL },
{ "GL_EXT_texture_env_combine", NULL },
{ "GL_EXT_texture_env_dot3", NULL },
{ "GL_EXT_texture_filter_anisotropic", NULL },
{ "GL_EXT_texture_lod_bias", NULL },
{ "GL_3DFX_texture_compression_FXT1", NULL },
{ "GL_APPLE_client_storage", NULL },
{ "GL_APPLE_object_purgeable", GL_APPLE_object_purgeable_functions },
{ "GL_APPLE_vertex_array_object", GL_APPLE_vertex_array_object_functions},
{ "GL_MESA_pack_invert", NULL },
{ "GL_MESA_ycbcr_texture", NULL },
{ "GL_NV_blend_square", NULL },
{ "GL_NV_vertex_program", GL_NV_vertex_program_functions },
{ "GL_NV_vertex_program1_1", NULL },
#if FEATURE_OES_EGL_image
{ "GL_OES_EGL_image", GL_OES_EGL_image_functions },
#endif
{ NULL, NULL }
};
/** i915 / i945-only extensions */
static const struct dri_extension i915_extensions[] = {
{ "GL_ARB_depth_texture", NULL },
{ "GL_ARB_fragment_program", NULL },
{ "GL_ARB_shadow", NULL },
{ "GL_ARB_texture_non_power_of_two", NULL },
{ "GL_ATI_separate_stencil", GL_ATI_separate_stencil_functions },
{ "GL_ATI_texture_env_combine3", NULL },
{ "GL_EXT_shadow_funcs", NULL },
{ "GL_EXT_stencil_two_side", GL_EXT_stencil_two_side_functions },
{ "GL_NV_texture_env_combine4", NULL },
{ NULL, NULL }
};
/** i965-only extensions */
static const struct dri_extension brw_extensions[] = {
{ "GL_ARB_color_buffer_float", NULL },
{ "GL_ARB_depth_clamp", NULL },
{ "GL_ARB_depth_texture", NULL },
{ "GL_ARB_fragment_coord_conventions", NULL },
{ "GL_ARB_fragment_program", NULL },
{ "GL_ARB_fragment_program_shadow", NULL },
{ "GL_ARB_fragment_shader", NULL },
{ "GL_ARB_half_float_vertex", NULL },
{ "GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions },
{ "GL_ARB_point_sprite", NULL },
{ "GL_ARB_seamless_cube_map", NULL },
{ "GL_ARB_shader_texture_lod", NULL },
{ "GL_ARB_shadow", NULL },
#ifdef TEXTURE_FLOAT_ENABLED
{ "GL_ARB_texture_float", NULL },
#endif
{ "GL_MESA_texture_signed_rgba", NULL },
{ "GL_ARB_texture_compression_rgtc", NULL },
{ "GL_ARB_texture_non_power_of_two", NULL },
{ "GL_ARB_texture_rg", NULL },
{ "GL_EXT_draw_buffers2", GL_EXT_draw_buffers2_functions },
{ "GL_EXT_framebuffer_sRGB", NULL },
{ "GL_EXT_shadow_funcs", NULL },
{ "GL_EXT_stencil_two_side", GL_EXT_stencil_two_side_functions },
{ "GL_EXT_texture_sRGB", NULL },
{ "GL_EXT_texture_sRGB_decode", NULL },
{ "GL_EXT_texture_swizzle", NULL },
{ "GL_EXT_vertex_array_bgra", NULL },
{ "GL_ATI_envmap_bumpmap", GL_ATI_envmap_bumpmap_functions },
{ "GL_ATI_separate_stencil", GL_ATI_separate_stencil_functions },
{ "GL_ATI_texture_env_combine3", NULL },
{ "GL_NV_conditional_render", NULL },
{ "GL_NV_texture_env_combine4", NULL },
{ NULL, NULL }
};
static const struct dri_extension ironlake_extensions[] = {
{ "GL_EXT_timer_query", GL_EXT_timer_query_functions },
};
static const struct dri_extension arb_oq_extensions[] = {
{ "GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions },
{ NULL, NULL }
};
static const struct dri_extension fragment_shader_extensions[] = {
{ "GL_ARB_fragment_shader", NULL },
{ NULL, NULL }
};
/**
* \brief Get GLSL version from the environment.
*
* If the environment variable INTEL_GLSL_VERSION is set, convert its value
* to an integer and return it. Otherwise, return the default version, 120.
*/
static GLuint
get_glsl_version()
{
const char * s = getenv("INTEL_GLSL_VERSION");
if (s == NULL)
return 120;
else
return (GLuint) atoi(s);
}
/**
* Initializes potential list of extensions if ctx == NULL, or actually enables
* extensions for a context.
*/
void
intelInitExtensions(struct gl_context *ctx)
{
struct intel_context *intel = intel_context(ctx);
driInitExtensions(ctx, card_extensions, GL_FALSE);
_mesa_map_function_array(GL_VERSION_2_1_functions);
ctx->Const.GLSLVersion = get_glsl_version();
if (intel->gen >= 5)
driInitExtensions(ctx, ironlake_extensions, GL_FALSE);
if (intel->gen >= 4)
driInitExtensions(ctx, brw_extensions, GL_FALSE);
if (intel->gen == 3) {
driInitExtensions(ctx, i915_extensions, GL_FALSE);
if (driQueryOptionb(&intel->optionCache, "fragment_shader"))
driInitExtensions(ctx, fragment_shader_extensions, GL_FALSE);
if (driQueryOptionb(&intel->optionCache, "stub_occlusion_query"))
driInitExtensions(ctx, arb_oq_extensions, GL_FALSE);
}
}
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