diff options
Diffstat (limited to 'src/mesa/main')
-rw-r--r-- | src/mesa/main/version.c | 274 | ||||
-rw-r--r-- | src/mesa/main/version.h | 4 |
2 files changed, 152 insertions, 126 deletions
diff --git a/src/mesa/main/version.c b/src/mesa/main/version.c index 34152dfdb6f..270eca722f0 100644 --- a/src/mesa/main/version.c +++ b/src/mesa/main/version.c @@ -200,31 +200,32 @@ _mesa_override_glsl_version(struct gl_constants *consts) /** * Examine enabled GL extensions to determine GL version. */ -static void -compute_version(struct gl_context *ctx) +static GLuint +compute_version(const struct gl_extensions *extensions, + const struct gl_constants *consts, gl_api api) { GLuint major, minor; - const GLboolean ver_1_3 = (ctx->Extensions.ARB_texture_border_clamp && - ctx->Extensions.ARB_texture_cube_map && - ctx->Extensions.ARB_texture_env_combine && - ctx->Extensions.ARB_texture_env_dot3); + const GLboolean ver_1_3 = (extensions->ARB_texture_border_clamp && + extensions->ARB_texture_cube_map && + extensions->ARB_texture_env_combine && + 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.EXT_blend_color && - ctx->Extensions.EXT_blend_func_separate && - ctx->Extensions.EXT_blend_minmax && - ctx->Extensions.EXT_point_parameters); + extensions->ARB_depth_texture && + extensions->ARB_shadow && + extensions->ARB_texture_env_crossbar && + extensions->EXT_blend_color && + extensions->EXT_blend_func_separate && + extensions->EXT_blend_minmax && + extensions->EXT_point_parameters); const GLboolean ver_1_5 = (ver_1_4 && - ctx->Extensions.ARB_occlusion_query); + extensions->ARB_occlusion_query); const GLboolean ver_2_0 = (ver_1_5 && - ctx->Extensions.ARB_point_sprite && - ctx->Extensions.ARB_vertex_shader && - ctx->Extensions.ARB_fragment_shader && - ctx->Extensions.ARB_texture_non_power_of_two && - ctx->Extensions.EXT_blend_equation_separate && + extensions->ARB_point_sprite && + extensions->ARB_vertex_shader && + extensions->ARB_fragment_shader && + extensions->ARB_texture_non_power_of_two && + extensions->EXT_blend_equation_separate && /* Technically, 2.0 requires the functionality * of the EXT version. Enable 2.0 if either @@ -232,61 +233,61 @@ compute_version(struct gl_context *ctx) * driver that only exposes the ATI extension * will fallback to software when necessary. */ - (ctx->Extensions.EXT_stencil_two_side - || ctx->Extensions.ATI_separate_stencil)); + (extensions->EXT_stencil_two_side + || extensions->ATI_separate_stencil)); const GLboolean ver_2_1 = (ver_2_0 && - ctx->Extensions.EXT_pixel_buffer_object && - ctx->Extensions.EXT_texture_sRGB); + extensions->EXT_pixel_buffer_object && + extensions->EXT_texture_sRGB); const GLboolean ver_3_0 = (ver_2_1 && - ctx->Const.GLSLVersion >= 130 && - (ctx->Const.MaxSamples >= 4 || ctx->Const.FakeSWMSAA) && - (ctx->API == API_OPENGL_CORE || - ctx->Extensions.ARB_color_buffer_float) && - ctx->Extensions.ARB_depth_buffer_float && - ctx->Extensions.ARB_half_float_vertex && - ctx->Extensions.ARB_map_buffer_range && - ctx->Extensions.ARB_shader_texture_lod && - ctx->Extensions.ARB_texture_float && - ctx->Extensions.ARB_texture_rg && - ctx->Extensions.ARB_texture_compression_rgtc && - ctx->Extensions.EXT_draw_buffers2 && - ctx->Extensions.ARB_framebuffer_object && - ctx->Extensions.EXT_framebuffer_sRGB && - ctx->Extensions.EXT_packed_float && - ctx->Extensions.EXT_texture_array && - ctx->Extensions.EXT_texture_shared_exponent && - ctx->Extensions.EXT_transform_feedback && - ctx->Extensions.NV_conditional_render); + consts->GLSLVersion >= 130 && + (consts->MaxSamples >= 4 || consts->FakeSWMSAA) && + (api == API_OPENGL_CORE || + extensions->ARB_color_buffer_float) && + extensions->ARB_depth_buffer_float && + extensions->ARB_half_float_vertex && + extensions->ARB_map_buffer_range && + extensions->ARB_shader_texture_lod && + extensions->ARB_texture_float && + extensions->ARB_texture_rg && + extensions->ARB_texture_compression_rgtc && + extensions->EXT_draw_buffers2 && + extensions->ARB_framebuffer_object && + extensions->EXT_framebuffer_sRGB && + extensions->EXT_packed_float && + extensions->EXT_texture_array && + extensions->EXT_texture_shared_exponent && + extensions->EXT_transform_feedback && + extensions->NV_conditional_render); const GLboolean ver_3_1 = (ver_3_0 && - ctx->Const.GLSLVersion >= 140 && - ctx->Extensions.ARB_draw_instanced && - ctx->Extensions.ARB_texture_buffer_object && - ctx->Extensions.ARB_uniform_buffer_object && - ctx->Extensions.EXT_texture_snorm && - ctx->Extensions.NV_primitive_restart && - ctx->Extensions.NV_texture_rectangle && - ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits >= 16); + consts->GLSLVersion >= 140 && + extensions->ARB_draw_instanced && + extensions->ARB_texture_buffer_object && + extensions->ARB_uniform_buffer_object && + extensions->EXT_texture_snorm && + extensions->NV_primitive_restart && + extensions->NV_texture_rectangle && + consts->Program[MESA_SHADER_VERTEX].MaxTextureImageUnits >= 16); const GLboolean ver_3_2 = (ver_3_1 && - ctx->Const.GLSLVersion >= 150 && - ctx->Extensions.ARB_depth_clamp && - ctx->Extensions.ARB_draw_elements_base_vertex && - ctx->Extensions.ARB_fragment_coord_conventions && - ctx->Extensions.EXT_provoking_vertex && - ctx->Extensions.ARB_seamless_cube_map && - ctx->Extensions.ARB_sync && - ctx->Extensions.ARB_texture_multisample && - ctx->Extensions.EXT_vertex_array_bgra); + consts->GLSLVersion >= 150 && + extensions->ARB_depth_clamp && + extensions->ARB_draw_elements_base_vertex && + extensions->ARB_fragment_coord_conventions && + extensions->EXT_provoking_vertex && + extensions->ARB_seamless_cube_map && + extensions->ARB_sync && + extensions->ARB_texture_multisample && + extensions->EXT_vertex_array_bgra); const GLboolean ver_3_3 = (ver_3_2 && - ctx->Const.GLSLVersion >= 330 && - ctx->Extensions.ARB_blend_func_extended && - ctx->Extensions.ARB_explicit_attrib_location && - ctx->Extensions.ARB_instanced_arrays && - ctx->Extensions.ARB_occlusion_query2 && - ctx->Extensions.ARB_shader_bit_encoding && - ctx->Extensions.ARB_texture_rgb10_a2ui && - ctx->Extensions.ARB_timer_query && - ctx->Extensions.ARB_vertex_type_2_10_10_10_rev && - ctx->Extensions.EXT_texture_swizzle); + consts->GLSLVersion >= 330 && + extensions->ARB_blend_func_extended && + extensions->ARB_explicit_attrib_location && + extensions->ARB_instanced_arrays && + extensions->ARB_occlusion_query2 && + extensions->ARB_shader_bit_encoding && + extensions->ARB_texture_rgb10_a2ui && + extensions->ARB_timer_query && + extensions->ARB_vertex_type_2_10_10_10_rev && + extensions->EXT_texture_swizzle); /* ARB_sampler_objects is always enabled in mesa */ if (ver_3_3) { @@ -330,74 +331,90 @@ compute_version(struct gl_context *ctx) minor = 2; } - ctx->Version = major * 10 + minor; - - create_version_string(ctx, ""); + return major * 10 + minor; } -static void -compute_version_es1(struct gl_context *ctx) +static GLuint +compute_version_es1(const struct gl_extensions *extensions) { /* OpenGL ES 1.0 is derived from OpenGL 1.3 */ - const GLboolean ver_1_0 = (ctx->Extensions.ARB_texture_env_combine && - ctx->Extensions.ARB_texture_env_dot3); + const GLboolean ver_1_0 = (extensions->ARB_texture_env_combine && + extensions->ARB_texture_env_dot3); /* OpenGL ES 1.1 is derived from OpenGL 1.5 */ const GLboolean ver_1_1 = (ver_1_0 && - ctx->Extensions.EXT_point_parameters); + extensions->EXT_point_parameters); if (ver_1_1) { - ctx->Version = 11; + return 11; } else if (ver_1_0) { - ctx->Version = 10; + return 10; } else { - _mesa_problem(ctx, "Incomplete OpenGL ES 1.0 support."); + return 0; } - - create_version_string(ctx, "OpenGL ES-CM "); } -static void -compute_version_es2(struct gl_context *ctx) +static GLuint +compute_version_es2(const struct gl_extensions *extensions) { /* OpenGL ES 2.0 is derived from OpenGL 2.0 */ - const GLboolean ver_2_0 = (ctx->Extensions.ARB_texture_cube_map && - ctx->Extensions.EXT_blend_color && - ctx->Extensions.EXT_blend_func_separate && - ctx->Extensions.EXT_blend_minmax && - ctx->Extensions.ARB_vertex_shader && - ctx->Extensions.ARB_fragment_shader && - ctx->Extensions.ARB_texture_non_power_of_two && - ctx->Extensions.EXT_blend_equation_separate); + const GLboolean ver_2_0 = (extensions->ARB_texture_cube_map && + extensions->EXT_blend_color && + extensions->EXT_blend_func_separate && + extensions->EXT_blend_minmax && + extensions->ARB_vertex_shader && + extensions->ARB_fragment_shader && + extensions->ARB_texture_non_power_of_two && + extensions->EXT_blend_equation_separate); /* FINISHME: This list isn't quite right. */ - const GLboolean ver_3_0 = (ctx->Extensions.ARB_half_float_vertex && - ctx->Extensions.ARB_internalformat_query && - ctx->Extensions.ARB_map_buffer_range && - ctx->Extensions.ARB_shader_texture_lod && - ctx->Extensions.ARB_texture_float && - ctx->Extensions.ARB_texture_rg && - ctx->Extensions.ARB_texture_compression_rgtc && - ctx->Extensions.EXT_draw_buffers2 && - /* ctx->Extensions.ARB_framebuffer_object && */ - ctx->Extensions.EXT_framebuffer_sRGB && - ctx->Extensions.EXT_packed_float && - ctx->Extensions.EXT_texture_array && - ctx->Extensions.EXT_texture_shared_exponent && - ctx->Extensions.EXT_transform_feedback && - ctx->Extensions.NV_conditional_render && - ctx->Extensions.ARB_draw_instanced && - ctx->Extensions.ARB_uniform_buffer_object && - ctx->Extensions.EXT_texture_snorm && - ctx->Extensions.NV_primitive_restart && - ctx->Extensions.OES_depth_texture_cube_map); + const GLboolean ver_3_0 = (extensions->ARB_half_float_vertex && + extensions->ARB_internalformat_query && + extensions->ARB_map_buffer_range && + extensions->ARB_shader_texture_lod && + extensions->ARB_texture_float && + extensions->ARB_texture_rg && + extensions->ARB_texture_compression_rgtc && + extensions->EXT_draw_buffers2 && + /* extensions->ARB_framebuffer_object && */ + extensions->EXT_framebuffer_sRGB && + extensions->EXT_packed_float && + extensions->EXT_texture_array && + extensions->EXT_texture_shared_exponent && + extensions->EXT_transform_feedback && + extensions->NV_conditional_render && + extensions->ARB_draw_instanced && + extensions->ARB_uniform_buffer_object && + extensions->EXT_texture_snorm && + extensions->NV_primitive_restart && + extensions->OES_depth_texture_cube_map); if (ver_3_0) { - ctx->Version = 30; + return 30; } else if (ver_2_0) { - ctx->Version = 20; + return 20; } else { - _mesa_problem(ctx, "Incomplete OpenGL ES 2.0 support."); + return 0; } +} - create_version_string(ctx, "OpenGL ES "); +GLuint +_mesa_get_version(const struct gl_extensions *extensions, + struct gl_constants *consts, gl_api api) +{ + switch (api) { + case API_OPENGL_COMPAT: + /* Disable GLSL 1.40 and later for legacy contexts. + * This disallows creation of the GL 3.1 compatibility context. */ + if (consts->GLSLVersion > 130) { + consts->GLSLVersion = 130; + } + /* fall through */ + case API_OPENGL_CORE: + return compute_version(extensions, consts, api); + case API_OPENGLES: + return compute_version_es1(extensions); + case API_OPENGLES2: + return compute_version_es2(extensions); + } + return 0; } /** @@ -411,23 +428,28 @@ _mesa_compute_version(struct gl_context *ctx) if (ctx->Version) return; + ctx->Version = _mesa_get_version(&ctx->Extensions, &ctx->Const, ctx->API); + switch (ctx->API) { case API_OPENGL_COMPAT: - /* Disable GLSL 1.40 and later for legacy contexts. - * This disallows creation of the GL 3.1 compatibility context. */ - if (ctx->Const.GLSLVersion > 130) { - ctx->Const.GLSLVersion = 130; - } - /* fall through */ case API_OPENGL_CORE: - compute_version(ctx); + create_version_string(ctx, ""); break; + case API_OPENGLES: - compute_version_es1(ctx); + if (!ctx->Version) { + _mesa_problem(ctx, "Incomplete OpenGL ES 1.0 support."); + return; + } + create_version_string(ctx, "OpenGL ES-CM "); break; + case API_OPENGLES2: - compute_version_es2(ctx); + if (!ctx->Version) { + _mesa_problem(ctx, "Incomplete OpenGL ES 2.0 support."); + return; + } + create_version_string(ctx, "OpenGL ES "); break; } - } diff --git a/src/mesa/main/version.h b/src/mesa/main/version.h index 15bd6e3d8c8..450a0e31d3d 100644 --- a/src/mesa/main/version.h +++ b/src/mesa/main/version.h @@ -30,6 +30,10 @@ #include "mtypes.h" +extern GLuint +_mesa_get_version(const struct gl_extensions *extensions, + struct gl_constants *consts, gl_api api); + extern void _mesa_compute_version(struct gl_context *ctx); |