gl_object_bindings_unittest.cc 3.4 KB

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  1. // Copyright (c) 2016 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. #include <GLES2/gl2.h>
  5. #include <GLES2/gl2ext.h>
  6. #include <GLES2/gl2extchromium.h>
  7. #include <GLES3/gl3.h>
  8. #include <stdint.h>
  9. #include "gpu/command_buffer/tests/gl_manager.h"
  10. #include "gpu/command_buffer/tests/gl_test_utils.h"
  11. #include "testing/gmock/include/gmock/gmock.h"
  12. #include "testing/gtest/include/gtest/gtest.h"
  13. namespace gpu {
  14. class ObjectBindingsTest : public testing::Test {
  15. protected:
  16. void SetUp() override {
  17. GLManager::Options options;
  18. options.context_type = CONTEXT_TYPE_OPENGLES3;
  19. gl_.Initialize(options);
  20. }
  21. void TearDown() override { gl_.Destroy(); }
  22. bool IsApplicable() const { return gl_.IsInitialized(); }
  23. GLManager gl_;
  24. };
  25. TEST_F(ObjectBindingsTest, Buffers) {
  26. if (!IsApplicable()) {
  27. return;
  28. }
  29. const std::pair<GLenum, GLenum> buffer_bindings[] = {
  30. {GL_ARRAY_BUFFER, GL_ARRAY_BUFFER_BINDING},
  31. {GL_ELEMENT_ARRAY_BUFFER, GL_ELEMENT_ARRAY_BUFFER_BINDING},
  32. {GL_PIXEL_PACK_BUFFER, GL_PIXEL_PACK_BUFFER_BINDING},
  33. {GL_PIXEL_UNPACK_BUFFER, GL_PIXEL_UNPACK_BUFFER_BINDING},
  34. {GL_TRANSFORM_FEEDBACK_BUFFER, GL_TRANSFORM_FEEDBACK_BUFFER_BINDING},
  35. {GL_COPY_READ_BUFFER, GL_COPY_READ_BUFFER_BINDING},
  36. {GL_COPY_WRITE_BUFFER, GL_COPY_WRITE_BUFFER_BINDING},
  37. {GL_UNIFORM_BUFFER, GL_UNIFORM_BUFFER_BINDING},
  38. };
  39. for (auto binding : buffer_bindings) {
  40. GLuint buffer = 0;
  41. glGenBuffers(1, &buffer);
  42. glBindBuffer(binding.first, buffer);
  43. {
  44. GLint result = 0;
  45. glGetIntegerv(binding.second, &result);
  46. EXPECT_EQ(static_cast<GLuint>(result), buffer);
  47. }
  48. {
  49. GLfloat result = 0;
  50. glGetFloatv(binding.second, &result);
  51. EXPECT_EQ(static_cast<GLuint>(result), buffer);
  52. }
  53. glBindBuffer(binding.first, 0);
  54. glDeleteBuffers(1, &buffer);
  55. }
  56. GLTestHelper::CheckGLError("no errors", __LINE__);
  57. }
  58. TEST_F(ObjectBindingsTest, FramebufferAttachments) {
  59. if (!IsApplicable()) {
  60. return;
  61. }
  62. GLuint texture = 0;
  63. glGenTextures(1, &texture);
  64. glBindTexture(GL_TEXTURE_2D, texture);
  65. glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
  66. nullptr);
  67. GLuint renderbuffer = 0;
  68. glGenRenderbuffers(1, &renderbuffer);
  69. glBindRenderbuffer(GL_RENDERBUFFER, renderbuffer);
  70. glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA8, 1, 1);
  71. GLuint framebuffer = 0;
  72. glGenFramebuffers(1, &framebuffer);
  73. glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);
  74. glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
  75. texture, 0);
  76. {
  77. GLint result = 0;
  78. glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
  79. GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME,
  80. &result);
  81. EXPECT_EQ(static_cast<GLuint>(result), texture);
  82. }
  83. glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
  84. GL_RENDERBUFFER, renderbuffer);
  85. {
  86. GLint result = 0;
  87. glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
  88. GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME,
  89. &result);
  90. EXPECT_EQ(static_cast<GLuint>(result), renderbuffer);
  91. }
  92. GLTestHelper::CheckGLError("no errors", __LINE__);
  93. }
  94. } // namespace gpu