mesa git update 30 Mar 2011

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;
+   }
+
+}