Updated to mesalib 7.9

1 files changed, 177 insertions, 23 deletions

diff --git a/mesalib/src/mesa/main/version.c b/mesalib/src/mesa/main/version.c
index a39b68065..5997ca00f 100644
--- a/mesalib/src/mesa/main/version.c
+++ b/mesalib/src/mesa/main/version.c
@@ -32,8 +32,11 @@
  * Return major and minor version numbers.
  */
 static void
-compute_version(const GLcontext *ctx, GLuint *major, GLuint *minor)
+compute_version(GLcontext *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 &&
@@ -81,50 +84,201 @@ compute_version(const GLcontext *ctx, GLuint *major, GLuint *minor)
 			      (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->Const.GLSLVersion >= 120 &&
                               ctx->Extensions.EXT_pixel_buffer_object &&
                               ctx->Extensions.EXT_texture_sRGB);
-   if (ver_2_1) {
-      *major = 2;
-      *minor = 1;
+   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.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_compression_rgtc &&
+                              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;
+      major = 2;
+      minor = 0;
    }
    else if (ver_1_5) {
-      *major = 1;
-      *minor = 5;
+      major = 1;
+      minor = 5;
    }
    else if (ver_1_4) {
-      *major = 1;
-      *minor = 4;
+      major = 1;
+      minor = 4;
    }
    else if (ver_1_3) {
-      *major = 1;
-      *minor = 3;
+      major = 1;
+      minor = 3;
    }
    else {
-      *major = 1;
-      *minor = 2;
+      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(GLcontext *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(GLcontext *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.
+ * 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(GLcontext *ctx)
 {
-   static const int max = 100;
+   if (ctx->VersionMajor)
+      return;
 
-   compute_version(ctx, &ctx->VersionMajor, &ctx->VersionMinor);
-   
-   ctx->VersionString = (char *) malloc(max);
-   if (ctx->VersionString) {
-      _mesa_snprintf(ctx->VersionString, max, "%u.%u Mesa " MESA_VERSION_STRING,
-	       ctx->VersionMajor, ctx->VersionMinor);
+   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;
    }
+
 }