Add glBindUniformLocationCHROMIUM

gpu/command_buffer/tests/gl_consistent_uniform_locations_unittest.cc

-// Copyright (c) 2012 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 <GLES2/gl2.h>
-#include <GLES2/gl2ext.h>
-
-#include "gpu/command_buffer/tests/gl_manager.h"
-#include "gpu/command_buffer/tests/gl_test_utils.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-#define SHADER(Src) #Src
-
-namespace gpu {
-
-class ConsistenUniformLocationsTest : public testing::Test {
- protected:
-  static const GLsizei kResolution = 4;
-  virtual void SetUp() {
-    gl_.Initialize(gfx::Size(kResolution, kResolution));
-  }
-
-  virtual void TearDown() {
-    gl_.Destroy();
-  }
-
-  GLManager gl_;
-};
-
-namespace {
-
-struct FormatType {
-  GLenum format;
-  GLenum type;
-};
-
-}  // anonymous namespace
-
-TEST_F(ConsistenUniformLocationsTest, Basic) {
-  ASSERT_TRUE(
-      GLTestHelper::HasExtension("GL_CHROMIUM_consistent_uniform_locations"));
-
-  static const char* v_shader_str = SHADER(
-      attribute vec4 a_position;
-      void main()
-      {
-         gl_Position = a_position;
-      }
-  );
-  static const char* f_shader_str = SHADER(
-      precision mediump float;
-      uniform vec4 u_colorC;
-      uniform vec4 u_colorB[2];
-      uniform vec4 u_colorA;
-      void main()
-      {
-        gl_FragColor = u_colorA + u_colorB[0] + u_colorB[1] + u_colorC;
-      }
-  );
-
-  static const GLUniformDefinitionCHROMIUM defs[] = {
-    { GL_FLOAT_VEC4, 1, "u_colorC", },
-    { GL_FLOAT_VEC4, 2, "u_colorB", },
-    { GL_FLOAT_VEC4, 1, "u_colorA", },
-  };
-
-  GLuint program = GLTestHelper::LoadProgram(v_shader_str, f_shader_str);
-
-  GLint locations[4];
-
-  glGetUniformLocationsCHROMIUM(
-      program, defs, arraysize(defs), arraysize(locations), locations);
-
-  GLint u_colorCLocation = locations[0];
-  GLint u_colorB0Location = locations[1];
-  GLint u_colorB1Location = locations[2];
-  GLint u_colorALocation = locations[3];
-
-  GLint position_loc = glGetAttribLocation(program, "a_position");
-
-  GLTestHelper::SetupUnitQuad(position_loc);
-
-  glUseProgram(program);
-
-  glUniform4f(u_colorALocation, 0.25f, 0.0f, 0.0f, 0.0f);
-  glUniform4f(u_colorB0Location, 0.0f, 0.50f, 0.0f, 0.0f);
-  glUniform4f(u_colorB1Location, 0.0f, 0.0f, 0.75f, 0.0f);
-  glUniform4f(u_colorCLocation, 0.0f, 0.0f, 0.0f, 1.0f);
-
-  glDrawArrays(GL_TRIANGLES, 0, 6);
-
-  static const uint8 expected[] = { 64, 128, 192, 255 };
-  EXPECT_TRUE(
-      GLTestHelper::CheckPixels(0, 0, kResolution, kResolution, 1, expected));
-
-  GLTestHelper::CheckGLError("no errors", __LINE__);
-}
-
-}  // namespace gpu
-
-
-