Translate a few OpenGL ES values to OpenGL values.

gpu/command_buffer/service/gles2_cmd_decoder.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
 #include <stdio.h>
 
 #include <algorithm>
 #include <vector>
@@ skipping 17 matching lines @@
 #include "gpu/command_buffer/service/id_manager.h"
 #include "gpu/command_buffer/service/program_manager.h"
 #include "gpu/command_buffer/service/renderbuffer_manager.h"
 #include "gpu/command_buffer/service/shader_manager.h"
 #include "gpu/command_buffer/service/texture_manager.h"
 
 #if !defined(GL_DEPTH24_STENCIL8)
 #define GL_DEPTH24_STENCIL8 0x88F0
 #endif
 
+#if defined(UNIT_TEST)
+
+// OpenGL constants not defined in OpenGL ES 2.0 needed when compiling
+// unit tests. For native OpenGL ES 2.0 backend tese are not used. For OpenGL

[Ken Russell (switch to Gerrit), 2010/04/13 16:46:05]

tese -> these

+// backend these must be defined by the system.
+#define GL_MAX_FRAGMENT_UNIFORM_COMPONENTS 0x8B49
+#define GL_MAX_VERTEX_UNIFORM_COMPONENTS 0x8B4A
+#define GL_MAX_VARYING_FLOATS 0x8B4B
+
+#endif
+
 namespace gpu {
 namespace gles2 {
 
 class GLES2DecoderImpl;
 
 // Check that certain assumptions the code makes are true. There are places in
 // the code where shared memory is passed direclty to GL. Example, glUniformiv,
 // glShaderSource. The command buffer code assumes GLint and GLsizei (and maybe
 // a few others) are 32bits. If they are not 32bits the code will have to change
 // to call those GL functions with service side memory and then copy the results
@@ skipping 1793 matching lines @@
     return;
   }
   glGenerateMipmapEXT(target);
 }
 
 bool GLES2DecoderImpl::GetHelper(
     GLenum pname, GLint* params, GLsizei* num_written) {
   DCHECK(params);
   DCHECK(num_written);
   switch (pname) {
+#if !defined(GLES2_GPU_SERVICE_BACKEND_NATIVE_GLES2)
     case GL_IMPLEMENTATION_COLOR_READ_FORMAT:
       *num_written = 1;
-      *params = GL_RGB;  // TODO(gman): get correct format.
+      *params = GL_RGBA;  // TODO(gman): get correct format.
       return true;
     case GL_IMPLEMENTATION_COLOR_READ_TYPE:
       *num_written = 1;
       *params = GL_UNSIGNED_BYTE;  // TODO(gman): get correct type.
       return true;
     case GL_MAX_FRAGMENT_UNIFORM_VECTORS:
+      glGetIntegerv(GL_MAX_FRAGMENT_UNIFORM_COMPONENTS, params);
       *num_written = 1;
-      *params = 16;  // TODO(gman): get correct value.
+      *params /= 4;
       return true;
     case GL_MAX_VARYING_VECTORS:
+      glGetIntegerv(GL_MAX_VARYING_FLOATS, params);
       *num_written = 1;
-      *params = 8;  // TODO(gman): get correct value.
+      *params /= 4;
       return true;
     case GL_MAX_VERTEX_UNIFORM_VECTORS:
+      glGetIntegerv(GL_MAX_VERTEX_UNIFORM_COMPONENTS, params);
       *num_written = 1;
-      *params = 128;  // TODO(gman): get correct value.
+      *params /= 4;
       return true;
+#endif
     case GL_NUM_COMPRESSED_TEXTURE_FORMATS:
       *num_written = 1;
       *params = 0;  // We don't support compressed textures.
       return true;
     case GL_NUM_SHADER_BINARY_FORMATS:
       *num_written = 1;
       *params = 0;  // We don't support binary shader formats.
       return true;
     case GL_SHADER_BINARY_FORMATS:
       *num_written = 0;
@@ skipping 1515 matching lines @@
   return error::kNoError;
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu