cc/test/test_web_graphics_context_3d_unittest.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/memory/scoped_ptr.h"
   6 #include "cc/test/test_web_graphics_context_3d.h"
   7 #include "gpu/GLES2/gl2extchromium.h"
   8 #include "testing/gmock/include/gmock/gmock.h"
   9 #include "testing/gtest/include/gtest/gtest.h"
  10 #include "third_party/khronos/GLES2/gl2ext.h"
  11
  12 namespace cc {
  13 namespace {
  14
  15 static bool check_parameter_value(TestWebGraphicsContext3D* context,
  16                                   GLenum pname,
  17                                   GLint expected_value) {
  18   GLint actual_value = 0;
  19   context->getTexParameteriv(GL_TEXTURE_2D, pname, &actual_value);
  20   return expected_value == actual_value;
  21 }
  22
  23 static void expect_default_parameter_values(TestWebGraphicsContext3D* context) {
  24   EXPECT_TRUE(check_parameter_value(context, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
  25   EXPECT_TRUE(check_parameter_value(
  26       context, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_LINEAR));
  27   EXPECT_TRUE(check_parameter_value(context, GL_TEXTURE_WRAP_S, GL_REPEAT));
  28   EXPECT_TRUE(check_parameter_value(context, GL_TEXTURE_WRAP_T, GL_REPEAT));
  29   EXPECT_TRUE(check_parameter_value(
  30       context, GL_TEXTURE_POOL_CHROMIUM, GL_TEXTURE_POOL_UNMANAGED_CHROMIUM));
  31   EXPECT_TRUE(check_parameter_value(context, GL_TEXTURE_USAGE_ANGLE, GL_NONE));
  32 }
  33
  34 TEST(TestWebGraphicsContext3DTest, GetDefaultTextureParameterValues) {
  35   scoped_ptr<TestWebGraphicsContext3D> context(
  36       TestWebGraphicsContext3D::Create());
  37
  38   GLuint texture = context->createTexture();
  39   context->bindTexture(GL_TEXTURE_2D, texture);
  40
  41   expect_default_parameter_values(context.get());
  42 }
  43
  44 TEST(TestWebGraphicsContext3DTest, SetAndGetTextureParameter) {
  45   scoped_ptr<TestWebGraphicsContext3D> context(
  46       TestWebGraphicsContext3D::Create());
  47
  48   GLuint texture = context->createTexture();
  49   context->bindTexture(GL_TEXTURE_2D, texture);
  50   context->texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
  51
  52   EXPECT_TRUE(
  53       check_parameter_value(context.get(), GL_TEXTURE_MIN_FILTER, GL_NEAREST));
  54 }
  55
  56 TEST(TestWebGraphicsContext3DTest,
  57      SetAndGetMultipleTextureParametersOnMultipleTextures) {
  58   scoped_ptr<TestWebGraphicsContext3D> context(
  59       TestWebGraphicsContext3D::Create());
  60
  61   // Set and get non-default texture parameters on the first texture.
  62   GLuint first_texture = context->createTexture();
  63   context->bindTexture(GL_TEXTURE_2D, first_texture);
  64   context->texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
  65   context->texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
  66
  67   EXPECT_TRUE(
  68       check_parameter_value(context.get(), GL_TEXTURE_MIN_FILTER, GL_LINEAR));
  69   EXPECT_TRUE(
  70       check_parameter_value(context.get(), GL_TEXTURE_MAG_FILTER, GL_NEAREST));
  71
  72   // Set and get different, non-default texture parameters on the second
  73   // texture.
  74   GLuint second_texture = context->createTexture();
  75   context->bindTexture(GL_TEXTURE_2D, second_texture);
  76   context->texParameteri(
  77       GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
  78   context->texParameteri(
  79       GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR_MIPMAP_LINEAR);
  80
  81   EXPECT_TRUE(check_parameter_value(
  82       context.get(), GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST));
  83   EXPECT_TRUE(check_parameter_value(
  84       context.get(), GL_TEXTURE_MAG_FILTER, GL_LINEAR_MIPMAP_LINEAR));
  85
  86   // Get texture parameters on the first texture and verify they are still
  87   // intact.
  88   context->bindTexture(GL_TEXTURE_2D, first_texture);
  89
  90   EXPECT_TRUE(
  91       check_parameter_value(context.get(), GL_TEXTURE_MIN_FILTER, GL_LINEAR));
  92   EXPECT_TRUE(
  93       check_parameter_value(context.get(), GL_TEXTURE_MAG_FILTER, GL_NEAREST));
  94 }
  95
  96 }  // namespace
  97 }  // namespace cc