diff options
Diffstat (limited to 'mesalib/src/mesa/main/version.c')
| -rw-r--r-- | mesalib/src/mesa/main/version.c | 573 |
1 files changed, 288 insertions, 285 deletions
diff --git a/mesalib/src/mesa/main/version.c b/mesalib/src/mesa/main/version.c index f18fa5fcc..c7a0d69a4 100644 --- a/mesalib/src/mesa/main/version.c +++ b/mesalib/src/mesa/main/version.c @@ -1,285 +1,288 @@ -/*
- * Mesa 3-D graphics library
- *
- * Copyright (C) 2010 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
- * THE AUTHORS 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 "imports.h"
-#include "mtypes.h"
-#include "version.h"
-
-
-
-/**
- * Examine enabled GL extensions to determine GL version.
- * Return major and minor version numbers.
- */
-static void
-compute_version(struct gl_context *ctx)
-{
- GLuint major, minor;
- static const int max = 100;
-
- 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->Const.GLSLVersion >= 120 &&
- ctx->Extensions.EXT_pixel_buffer_object &&
- ctx->Extensions.EXT_texture_sRGB);
- const GLboolean ver_3_0 = (ver_2_1 &&
- ctx->Extensions.ARB_half_float_pixel &&
- ctx->Extensions.ARB_map_buffer_range &&
- ctx->Extensions.ARB_texture_float &&
- ctx->Extensions.ARB_texture_rg &&
- ctx->Extensions.ARB_texture_compression_rgtc &&
- ctx->Extensions.APPLE_vertex_array_object &&
- ctx->Extensions.EXT_draw_buffers2 &&
- ctx->Extensions.EXT_framebuffer_blit &&
- ctx->Extensions.EXT_framebuffer_multisample &&
- ctx->Extensions.EXT_framebuffer_object &&
- ctx->Extensions.EXT_framebuffer_sRGB &&
- ctx->Extensions.EXT_packed_depth_stencil &&
- ctx->Extensions.EXT_packed_float &&
- ctx->Extensions.EXT_texture_array &&
- ctx->Extensions.EXT_texture_integer &&
- ctx->Extensions.EXT_texture_shared_exponent &&
- ctx->Extensions.EXT_transform_feedback &&
- ctx->Extensions.NV_conditional_render);
- const GLboolean ver_3_1 = (ver_3_0 &&
- ctx->Extensions.ARB_copy_buffer &&
- ctx->Extensions.ARB_draw_instanced &&
- ctx->Extensions.ARB_texture_buffer_object &&
- ctx->Extensions.ARB_uniform_buffer_object &&
- ctx->Extensions.NV_primitive_restart &&
- ctx->Extensions.NV_texture_rectangle &&
- ctx->Const.MaxVertexTextureImageUnits >= 16);
- const GLboolean ver_3_2 = (ver_3_1 &&
- ctx->Extensions.ARB_depth_clamp &&
- ctx->Extensions.ARB_draw_elements_base_vertex &&
- ctx->Extensions.ARB_fragment_coord_conventions &&
- ctx->Extensions.ARB_geometry_shader4 &&
- 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);
- const GLboolean ver_3_3 = (ver_3_2 &&
- 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_sampler_objects &&
- 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);
-
- if (ver_3_3) {
- major = 3;
- minor = 3;
- }
- else if (ver_3_2) {
- major = 3;
- minor = 2;
- }
- else if (ver_3_1) {
- major = 3;
- minor = 1;
- }
- else if (ver_3_0) {
- major = 3;
- minor = 0;
- }
- else if (ver_2_1) {
- major = 2;
- minor = 1;
- }
- else if (ver_2_0) {
- major = 2;
- minor = 0;
- }
- else if (ver_1_5) {
- major = 1;
- minor = 5;
- }
- else if (ver_1_4) {
- major = 1;
- minor = 4;
- }
- else if (ver_1_3) {
- major = 1;
- minor = 3;
- }
- else {
- major = 1;
- minor = 2;
- }
-
- ctx->VersionMajor = major;
- ctx->VersionMinor = minor;
- ctx->VersionString = (char *) malloc(max);
- if (ctx->VersionString) {
- _mesa_snprintf(ctx->VersionString, max,
- "%u.%u Mesa " MESA_VERSION_STRING,
- ctx->VersionMajor, ctx->VersionMinor);
- }
-}
-
-static void
-compute_version_es1(struct gl_context *ctx)
-{
- static const int max = 100;
-
- /* OpenGL ES 1.0 is derived from OpenGL 1.3 */
- const GLboolean ver_1_0 = (ctx->Extensions.ARB_multisample &&
- ctx->Extensions.ARB_multitexture &&
- ctx->Extensions.ARB_texture_compression &&
- ctx->Extensions.EXT_texture_env_add &&
- ctx->Extensions.ARB_texture_env_combine &&
- ctx->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 &&
- ctx->Extensions.SGIS_generate_mipmap &&
- ctx->Extensions.ARB_vertex_buffer_object);
-
- if (ver_1_1) {
- ctx->VersionMajor = 1;
- ctx->VersionMinor = 1;
- } else if (ver_1_0) {
- ctx->VersionMajor = 1;
- ctx->VersionMinor = 0;
- } else {
- _mesa_problem(ctx, "Incomplete OpenGL ES 1.0 support.");
- }
-
- ctx->VersionString = (char *) malloc(max);
- if (ctx->VersionString) {
- _mesa_snprintf(ctx->VersionString, max,
- "OpenGL ES-CM 1.%d Mesa " MESA_VERSION_STRING,
- ctx->VersionMinor);
- }
-}
-
-static void
-compute_version_es2(struct gl_context *ctx)
-{
- static const int max = 100;
-
- /* OpenGL ES 2.0 is derived from OpenGL 2.0 */
- const GLboolean ver_2_0 = (ctx->Extensions.ARB_multisample &&
- ctx->Extensions.ARB_multitexture &&
- ctx->Extensions.ARB_texture_compression &&
- ctx->Extensions.ARB_texture_cube_map &&
- ctx->Extensions.ARB_texture_mirrored_repeat &&
- ctx->Extensions.EXT_blend_color &&
- ctx->Extensions.EXT_blend_func_separate &&
- ctx->Extensions.EXT_blend_minmax &&
- ctx->Extensions.EXT_blend_subtract &&
- ctx->Extensions.EXT_stencil_wrap &&
- ctx->Extensions.ARB_vertex_buffer_object &&
- 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);
- if (ver_2_0) {
- ctx->VersionMajor = 2;
- ctx->VersionMinor = 0;
- } else {
- _mesa_problem(ctx, "Incomplete OpenGL ES 2.0 support.");
- }
-
- ctx->VersionString = (char *) malloc(max);
- if (ctx->VersionString) {
- _mesa_snprintf(ctx->VersionString, max,
- "OpenGL ES 2.0 Mesa " MESA_VERSION_STRING);
- }
-}
-
-/**
- * Set the context's VersionMajor, VersionMinor, VersionString fields.
- * This should only be called once as part of context initialization
- * or to perform version check for GLX_ARB_create_context_profile.
- */
-void
-_mesa_compute_version(struct gl_context *ctx)
-{
- if (ctx->VersionMajor)
- return;
-
- switch (ctx->API) {
- case API_OPENGL:
- compute_version(ctx);
- break;
- case API_OPENGLES:
- compute_version_es1(ctx);
- break;
- case API_OPENGLES2:
- compute_version_es2(ctx);
- break;
- }
-
-}
+/* + * Mesa 3-D graphics library + * + * Copyright (C) 2010 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 + * THE AUTHORS 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 "imports.h" +#include "mtypes.h" +#include "version.h" + + + +/** + * Examine enabled GL extensions to determine GL version. + * Return major and minor version numbers. + */ +static void +compute_version(struct gl_context *ctx) +{ + GLuint major, minor; + static const int max = 100; + + 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->Const.GLSLVersion >= 120 && + ctx->Extensions.EXT_pixel_buffer_object && + ctx->Extensions.EXT_texture_sRGB); + const GLboolean ver_3_0 = (ver_2_1 && + ctx->Extensions.ARB_color_buffer_float && + ctx->Extensions.ARB_depth_buffer_float && + ctx->Extensions.ARB_half_float_pixel && + ctx->Extensions.ARB_map_buffer_range && + ctx->Extensions.ARB_texture_float && + ctx->Extensions.ARB_texture_rg && + ctx->Extensions.ARB_texture_compression_rgtc && + ctx->Extensions.APPLE_vertex_array_object && + ctx->Extensions.EXT_draw_buffers2 && + ctx->Extensions.EXT_framebuffer_blit && + ctx->Extensions.EXT_framebuffer_multisample && + ctx->Extensions.EXT_framebuffer_object && + ctx->Extensions.EXT_framebuffer_sRGB && + ctx->Extensions.EXT_packed_depth_stencil && + ctx->Extensions.EXT_packed_float && + ctx->Extensions.EXT_texture_array && + ctx->Extensions.EXT_texture_integer && + ctx->Extensions.EXT_texture_shared_exponent && + ctx->Extensions.EXT_transform_feedback && + ctx->Extensions.NV_conditional_render); + const GLboolean ver_3_1 = (ver_3_0 && + ctx->Extensions.ARB_copy_buffer && + 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.MaxVertexTextureImageUnits >= 16); + const GLboolean ver_3_2 = (ver_3_1 && + ctx->Extensions.ARB_depth_clamp && + ctx->Extensions.ARB_draw_elements_base_vertex && + ctx->Extensions.ARB_fragment_coord_conventions && + ctx->Extensions.ARB_geometry_shader4 && + 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); + const GLboolean ver_3_3 = (ver_3_2 && + 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_sampler_objects && + 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); + + if (ver_3_3) { + major = 3; + minor = 3; + } + else if (ver_3_2) { + major = 3; + minor = 2; + } + else if (ver_3_1) { + major = 3; + minor = 1; + } + else if (ver_3_0) { + major = 3; + minor = 0; + } + else if (ver_2_1) { + major = 2; + minor = 1; + } + else if (ver_2_0) { + major = 2; + minor = 0; + } + else if (ver_1_5) { + major = 1; + minor = 5; + } + else if (ver_1_4) { + major = 1; + minor = 4; + } + else if (ver_1_3) { + major = 1; + minor = 3; + } + else { + major = 1; + minor = 2; + } + + ctx->VersionMajor = major; + ctx->VersionMinor = minor; + ctx->VersionString = (char *) malloc(max); + if (ctx->VersionString) { + _mesa_snprintf(ctx->VersionString, max, + "%u.%u Mesa " MESA_VERSION_STRING, + ctx->VersionMajor, ctx->VersionMinor); + } +} + +static void +compute_version_es1(struct gl_context *ctx) +{ + static const int max = 100; + + /* OpenGL ES 1.0 is derived from OpenGL 1.3 */ + const GLboolean ver_1_0 = (ctx->Extensions.ARB_multisample && + ctx->Extensions.ARB_multitexture && + ctx->Extensions.ARB_texture_compression && + ctx->Extensions.EXT_texture_env_add && + ctx->Extensions.ARB_texture_env_combine && + ctx->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 && + ctx->Extensions.SGIS_generate_mipmap && + ctx->Extensions.ARB_vertex_buffer_object); + + if (ver_1_1) { + ctx->VersionMajor = 1; + ctx->VersionMinor = 1; + } else if (ver_1_0) { + ctx->VersionMajor = 1; + ctx->VersionMinor = 0; + } else { + _mesa_problem(ctx, "Incomplete OpenGL ES 1.0 support."); + } + + ctx->VersionString = (char *) malloc(max); + if (ctx->VersionString) { + _mesa_snprintf(ctx->VersionString, max, + "OpenGL ES-CM 1.%d Mesa " MESA_VERSION_STRING, + ctx->VersionMinor); + } +} + +static void +compute_version_es2(struct gl_context *ctx) +{ + static const int max = 100; + + /* OpenGL ES 2.0 is derived from OpenGL 2.0 */ + const GLboolean ver_2_0 = (ctx->Extensions.ARB_multisample && + ctx->Extensions.ARB_multitexture && + ctx->Extensions.ARB_texture_compression && + ctx->Extensions.ARB_texture_cube_map && + ctx->Extensions.ARB_texture_mirrored_repeat && + ctx->Extensions.EXT_blend_color && + ctx->Extensions.EXT_blend_func_separate && + ctx->Extensions.EXT_blend_minmax && + ctx->Extensions.EXT_blend_subtract && + ctx->Extensions.EXT_stencil_wrap && + ctx->Extensions.ARB_vertex_buffer_object && + 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); + if (ver_2_0) { + ctx->VersionMajor = 2; + ctx->VersionMinor = 0; + } else { + _mesa_problem(ctx, "Incomplete OpenGL ES 2.0 support."); + } + + ctx->VersionString = (char *) malloc(max); + if (ctx->VersionString) { + _mesa_snprintf(ctx->VersionString, max, + "OpenGL ES 2.0 Mesa " MESA_VERSION_STRING); + } +} + +/** + * Set the context's VersionMajor, VersionMinor, VersionString fields. + * This should only be called once as part of context initialization + * or to perform version check for GLX_ARB_create_context_profile. + */ +void +_mesa_compute_version(struct gl_context *ctx) +{ + if (ctx->VersionMajor) + return; + + switch (ctx->API) { + case API_OPENGL: + compute_version(ctx); + break; + case API_OPENGLES: + compute_version_es1(ctx); + break; + case API_OPENGLES2: + compute_version_es2(ctx); + break; + } + +} |