#include "extensions.h"
-/**
- * Examine enabled GL extensions to determine GL version.
- * \return version string
- */
-static const char *
-compute_version(const GLcontext *ctx)
-{
- static const char *version_1_2 = "1.2 Mesa " MESA_VERSION_STRING;
- static const char *version_1_3 = "1.3 Mesa " MESA_VERSION_STRING;
- static const char *version_1_4 = "1.4 Mesa " MESA_VERSION_STRING;
- static const char *version_1_5 = "1.5 Mesa " MESA_VERSION_STRING;
- static const char *version_2_0 = "2.0 Mesa " MESA_VERSION_STRING;
- static const char *version_2_1 = "2.1 Mesa " MESA_VERSION_STRING;
-
- const GLboolean ver_1_3 = (ctx->Extensions.ARB_multisample &&
- ctx->Extensions.ARB_multitexture &&
- ctx->Extensions.ARB_texture_border_clamp &&
- ctx->Extensions.ARB_texture_compression &&
- ctx->Extensions.ARB_texture_cube_map &&
- ctx->Extensions.EXT_texture_env_add &&
- ctx->Extensions.ARB_texture_env_combine &&
- ctx->Extensions.ARB_texture_env_dot3);
- const GLboolean ver_1_4 = (ver_1_3 &&
- ctx->Extensions.ARB_depth_texture &&
- ctx->Extensions.ARB_shadow &&
- ctx->Extensions.ARB_texture_env_crossbar &&
- ctx->Extensions.ARB_texture_mirrored_repeat &&
- ctx->Extensions.ARB_window_pos &&
- ctx->Extensions.EXT_blend_color &&
- ctx->Extensions.EXT_blend_func_separate &&
- ctx->Extensions.EXT_blend_minmax &&
- ctx->Extensions.EXT_blend_subtract &&
- ctx->Extensions.EXT_fog_coord &&
- ctx->Extensions.EXT_multi_draw_arrays &&
- ctx->Extensions.EXT_point_parameters &&
- ctx->Extensions.EXT_secondary_color &&
- ctx->Extensions.EXT_stencil_wrap &&
- ctx->Extensions.EXT_texture_lod_bias &&
- ctx->Extensions.SGIS_generate_mipmap);
- const GLboolean ver_1_5 = (ver_1_4 &&
- ctx->Extensions.ARB_occlusion_query &&
- ctx->Extensions.ARB_vertex_buffer_object &&
- ctx->Extensions.EXT_shadow_funcs);
- const GLboolean ver_2_0 = (ver_1_5 &&
- ctx->Extensions.ARB_draw_buffers &&
- ctx->Extensions.ARB_point_sprite &&
- ctx->Extensions.ARB_shader_objects &&
- ctx->Extensions.ARB_vertex_shader &&
- ctx->Extensions.ARB_fragment_shader &&
- ctx->Extensions.ARB_texture_non_power_of_two &&
- ctx->Extensions.EXT_blend_equation_separate &&
-
- /* Technically, 2.0 requires the functionality
- * of the EXT version. Enable 2.0 if either
- * extension is available, and assume that a
- * driver that only exposes the ATI extension
- * will fallback to software when necessary.
- */
- (ctx->Extensions.EXT_stencil_two_side
- || ctx->Extensions.ATI_separate_stencil));
- const GLboolean ver_2_1 = (ver_2_0 &&
- ctx->Extensions.ARB_shading_language_120 &&
- ctx->Extensions.EXT_pixel_buffer_object &&
- ctx->Extensions.EXT_texture_sRGB);
- if (ver_2_1)
- return version_2_1;
- if (ver_2_0)
- return version_2_0;
- if (ver_1_5)
- return version_1_5;
- if (ver_1_4)
- return version_1_4;
- if (ver_1_3)
- return version_1_3;
- return version_1_2;
-}
-
-
-
/**
* Query string-valued state. The return value should _not_ be freed by
* the caller.
case GL_RENDERER:
return (const GLubyte *) renderer;
case GL_VERSION:
- return (const GLubyte *) compute_version(ctx);
+ return (const GLubyte *) ctx->VersionString;
case GL_EXTENSIONS:
if (!ctx->Extensions.String)
ctx->Extensions.String = _mesa_make_extension_string(ctx);