Implements glGetUniformiv and glGetUniformfv.

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"
 
@@ skipping 325 matching lines @@
       BytesPerElement(type) * ElementsPerGroup(format, type);
   uint32 row_size = width * bytes_per_group;
   if (height > 1) {
     uint32 padded_row_size = ((row_size + unpack_alignment - 1) /
                               unpack_alignment) * unpack_alignment;
     return (height - 1) * padded_row_size + row_size;
   }
   return height * row_size;
 }
 
+uint32 GLES2Util::GetGLDataTypeSize(int type) {
+  switch (type) {
+    case GL_FLOAT:
+      return sizeof(GLfloat);              // NOLINT
+    case GL_FLOAT_VEC2:
+      return sizeof(GLfloat) * 2;          // NOLINT
+    case GL_FLOAT_VEC3:
+      return sizeof(GLfloat) * 3;          // NOLINT
+    case GL_FLOAT_VEC4:
+      return sizeof(GLfloat) * 4;          // NOLINT
+    case GL_INT:
+      return sizeof(GLint);                // NOLINT
+    case GL_INT_VEC2:
+      return sizeof(GLint) * 2;            // NOLINT
+    case GL_INT_VEC3:
+      return sizeof(GLint) * 3;            // NOLINT
+    case GL_INT_VEC4:
+      return sizeof(GLint) * 4;            // NOLINT
+    case GL_BOOL:
+      return sizeof(GLint);                // NOLINT
+    case GL_BOOL_VEC2:
+      return sizeof(GLint) * 1;            // NOLINT
+    case GL_BOOL_VEC3:
+      return sizeof(GLint) * 2;            // NOLINT
+    case GL_BOOL_VEC4:
+      return sizeof(GLint) * 3;            // NOLINT
+    case GL_FLOAT_MAT2:
+      return sizeof(GLfloat) * 2 * 2;      // NOLINT
+    case GL_FLOAT_MAT3:
+      return sizeof(GLfloat) * 3 * 3;      // NOLINT
+    case GL_FLOAT_MAT4:
+      return sizeof(GLfloat) * 4 * 4;      // NOLINT
+    case GL_SAMPLER_2D:
+      return sizeof(GLint);                // NOLINT
+    case GL_SAMPLER_CUBE:
+      return sizeof(GLint);                // NOLINT
+    default:
+      return 0;
+  }
+}
+
 }  // namespace gles2
 }  // namespace gpu