mesa: call _mesa_compute_version() to set context's version info
authorBrian Paul <brianp@vmware.com>
Wed, 6 Jan 2010 04:23:59 +0000 (21:23 -0700)
committerBrian Paul <brianp@vmware.com>
Wed, 6 Jan 2010 04:23:59 +0000 (21:23 -0700)
src/mesa/main/context.c
src/mesa/main/getstring.c

index 5c20ce017f79bb076134174a101df9559a038516..320c59068cc55562bb56490c87ebb57bc9df2c04 100644 (file)
@@ -1015,6 +1015,9 @@ _mesa_free_context_data( GLcontext *ctx )
    if (ctx->Extensions.String)
       _mesa_free((void *) ctx->Extensions.String);
 
+   if (ctx->VersionString)
+      _mesa_free(ctx->VersionString);
+
    /* unbind the context if it's currently bound */
    if (ctx == _mesa_get_current_context()) {
       _mesa_make_current(NULL, NULL, NULL);
@@ -1374,6 +1377,8 @@ _mesa_make_current( GLcontext *newCtx, GLframebuffer *drawBuffer,
       }
 
       if (newCtx->FirstTimeCurrent) {
+         _mesa_compute_version(newCtx);
+
          check_context_limits(newCtx);
 
          /* We can use this to help debug user's problems.  Tell them to set
index cac5eef1cb639f1a15abd752b964f3386c1e47cd..e76a790d0a0d4b73e691f5f9b7e33558a7250596 100644 (file)
 #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.
@@ -149,7 +70,7 @@ _mesa_GetString( GLenum name )
       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);