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-rw-r--r--src/mesa/main/getstring.c142
1 files changed, 72 insertions, 70 deletions
diff --git a/src/mesa/main/getstring.c b/src/mesa/main/getstring.c
index 58c6c2f49f..48c815772d 100644
--- a/src/mesa/main/getstring.c
+++ b/src/mesa/main/getstring.c
@@ -34,6 +34,76 @@
/**
+ * 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);
+ 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.
*
@@ -50,12 +120,6 @@ _mesa_GetString( GLenum name )
GET_CURRENT_CONTEXT(ctx);
static const char *vendor = "Brian Paul";
static const char *renderer = "Mesa";
- 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;
#if FEATURE_ARB_shading_language_120_foo /* support not complete! */
static const char *sl_version = "1.20";
@@ -81,71 +145,9 @@ _mesa_GetString( GLenum name )
case GL_VENDOR:
return (const GLubyte *) vendor;
case GL_RENDERER:
- return (const GLubyte *) renderer;
+ return (const GLubyte *) renderer;
case GL_VERSION:
- /* tests for 1.3: */
- if (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) {
- /* tests for 1.4: */
- if (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 && /*aka ARB*/
- ctx->Extensions.EXT_secondary_color &&
- ctx->Extensions.EXT_stencil_wrap &&
- ctx->Extensions.EXT_texture_lod_bias &&
- ctx->Extensions.SGIS_generate_mipmap) {
- /* tests for 1.5: */
- if (ctx->Extensions.ARB_occlusion_query &&
- ctx->Extensions.ARB_vertex_buffer_object &&
- ctx->Extensions.EXT_shadow_funcs) {
- /* tests for 2.0: */
- if (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) {
- /* tests for 2.1: */
- if (ctx->Extensions.ARB_shading_language_120 &&
- ctx->Extensions.EXT_pixel_buffer_object &&
- ctx->Extensions.EXT_texture_sRGB) {
- return (const GLubyte *) version_2_1;
- }
- else {
- return (const GLubyte *) version_2_0;
- }
- }
- else {
- return (const GLubyte *) version_1_5;
- }
- }
- else {
- return (const GLubyte *) version_1_4;
- }
- }
- else {
- return (const GLubyte *) version_1_3;
- }
- }
- else {
- return (const GLubyte *) version_1_2;
- }
+ return (const GLubyte *) compute_version(ctx);
case GL_EXTENSIONS:
if (!ctx->Extensions.String)
ctx->Extensions.String = _mesa_make_extension_string(ctx);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-02 04:06:40 +0000