Added support for glGetString, glGetShaderSource,...

gpu/command_buffer/common/gles2_cmd_utils.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.
 
 // This file is here so other GLES2 related files can have a common set of
 // includes where appropriate.
 
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/common/gles2_cmd_format.h"
 
 namespace gpu {
 namespace gles2 {
 
+namespace gl_error_bit {
+enum GLErrorBit {
+  kNoError = 0,
+  kInvalidEnum = (1 << 0),
+  kInvalidValue = (1 << 1),
+  kInvalidOperation = (1 << 2),
+  kOutOfMemory = (1 << 3),
+  kInvalidFrameBufferOperation = (1 << 4),
+};
+}
+
 int GLES2Util::GLGetNumValuesReturned(int id) const {
   switch (id) {
     // -- glGetBooleanv, glGetFloatv, glGetIntergerv
     case GL_ACTIVE_TEXTURE:
       return 1;
     case GL_ALIASED_LINE_WIDTH_RANGE:
       return 2;
     case GL_ALIASED_POINT_SIZE_RANGE:
       return 1;
     case GL_ALPHA_BITS:
@@ skipping 370 matching lines @@
       return sizeof(GLshort);  // NOLINT
     case GL_UNSIGNED_SHORT:
       return sizeof(GLushort);  // NOLINT
     case GL_FLOAT:
       return sizeof(GLfloat);  // NOLINT
     default:
       return 0;
   }
 }
 
+uint32 GLES2Util::GLErrorToErrorBit(uint32 error) {
+  switch (error) {
+    case GL_INVALID_ENUM:
+      return gl_error_bit::kInvalidEnum;
+    case GL_INVALID_VALUE:
+      return gl_error_bit::kInvalidValue;
+    case GL_INVALID_OPERATION:
+      return gl_error_bit::kInvalidOperation;
+    case GL_OUT_OF_MEMORY:
+      return gl_error_bit::kOutOfMemory;
+    case GL_INVALID_FRAMEBUFFER_OPERATION:
+      return gl_error_bit::kInvalidFrameBufferOperation;
+    default:
+      NOTREACHED();
+      return gl_error_bit::kNoError;
+  }
+}
+
+uint32 GLES2Util::GLErrorBitToGLError(uint32 error_bit) {
+  switch (error_bit) {
+    case gl_error_bit::kInvalidEnum:
+      return GL_INVALID_ENUM;
+    case gl_error_bit::kInvalidValue:
+      return GL_INVALID_VALUE;
+    case gl_error_bit::kInvalidOperation:
+      return GL_INVALID_OPERATION;
+    case gl_error_bit::kOutOfMemory:
+      return GL_OUT_OF_MEMORY;
+    case gl_error_bit::kInvalidFrameBufferOperation:
+      return GL_INVALID_FRAMEBUFFER_OPERATION;
+    default:
+      NOTREACHED();
+      return GL_NO_ERROR;
+  }
+}
 
 }  // namespace gles2
 }  // namespace gpu