Index: gpu/command_buffer/tests/gl_cube_map_texture_unittest.cc |
diff --git a/gpu/command_buffer/tests/gl_cube_map_texture_unittest.cc b/gpu/command_buffer/tests/gl_cube_map_texture_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..7644a82b8f3ef0ad59d503ad1441186567e400f0 |
--- /dev/null |
+++ b/gpu/command_buffer/tests/gl_cube_map_texture_unittest.cc |
@@ -0,0 +1,138 @@ |
+// Copyright 2015 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 "gpu/command_buffer/tests/gl_manager.h" |
+#include "gpu/command_buffer/tests/gl_test_utils.h" |
+#include "testing/gtest/include/gtest/gtest.h" |
+ |
+namespace gpu { |
+ |
+namespace { |
+const GLenum kCubeMapTextureTargets[] = { |
+ GL_TEXTURE_CUBE_MAP_POSITIVE_X, GL_TEXTURE_CUBE_MAP_NEGATIVE_X, |
+ GL_TEXTURE_CUBE_MAP_POSITIVE_Y, GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, |
+ GL_TEXTURE_CUBE_MAP_POSITIVE_Z, GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, |
+}; |
+} // namespace |
+ |
+// A collection of tests that exercise the cube map texture. |
+class GLCubeMapTextureTest : public testing::TestWithParam<GLenum> { |
+ protected: |
+ void SetUp() override { |
+ gl_.Initialize(GLManager::Options()); |
+ for (int i = 0; i < 256; i++) { |
+ pixels_[i * 4] = 255u; |
+ pixels_[(i * 4) + 1] = 0; |
+ pixels_[(i * 4) + 2] = 0; |
+ pixels_[(i * 4) + 3] = 255u; |
+ } |
+ |
+ glGenTextures(1, &texture_); |
+ glBindTexture(GL_TEXTURE_CUBE_MAP, texture_); |
+ EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); |
+ |
+ glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); |
+ glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); |
+ glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
+ glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
+ EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); |
+ |
+ glGenFramebuffers(1, &framebuffer_id_); |
+ } |
+ |
+ void TearDown() override { |
+ glDeleteTextures(1, &texture_); |
+ glDeleteFramebuffers(1, &framebuffer_id_); |
+ gl_.Destroy(); |
+ } |
+ |
+ GLManager gl_; |
+ uint8 pixels_[256 * 4]; |
+ const int width_ = 16; |
+ GLuint texture_; |
+ GLuint framebuffer_id_; |
+}; |
+ |
+INSTANTIATE_TEST_CASE_P(GLCubeMapTextureTests, |
+ GLCubeMapTextureTest, |
+ ::testing::ValuesIn(kCubeMapTextureTargets)); |
+ |
+TEST_P(GLCubeMapTextureTest, TexImage2DAfterFBOBinding) { |
+ GLenum cube_map_target = GetParam(); |
+ |
+ glBindFramebuffer(GL_FRAMEBUFFER, framebuffer_id_); |
+ glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, cube_map_target, |
+ texture_, 0); |
+ EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); |
+ |
+ glBindTexture(GL_TEXTURE_CUBE_MAP, texture_); |
+ // force_gl_finish_after_compositing workaround prevents Nexus 5 crash. |
+ // TODO(dshwang): remove the workaround when it's fixed. crbug.com/518889 |
+ glTexImage2D(cube_map_target, 0, GL_RGBA, width_, width_, 0, GL_RGBA, |
+ GL_UNSIGNED_BYTE, pixels_); |
+ EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); |
+} |
+ |
+TEST_P(GLCubeMapTextureTest, ReadPixels) { |
+ GLenum cube_map_target = GetParam(); |
+ |
+ glBindTexture(GL_TEXTURE_CUBE_MAP, texture_); |
+ EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); |
+ |
+ // Make a cube texture complete |
+ for (unsigned i = 0; i < arraysize(kCubeMapTextureTargets); i++) { |
+ glTexImage2D(kCubeMapTextureTargets[i], 0, GL_RGBA, width_, width_, 0, |
+ GL_RGBA, GL_UNSIGNED_BYTE, pixels_); |
+ EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); |
+ } |
+ |
+ glBindFramebuffer(GL_FRAMEBUFFER, framebuffer_id_); |
+ glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, cube_map_target, |
+ texture_, 0); |
+ EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); |
+ |
+ // Check that FB is complete. |
+ EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE), |
+ glCheckFramebufferStatus(GL_FRAMEBUFFER)); |
+ |
+ GLTestHelper::CheckPixels(0, 0, width_, width_, 0, pixels_); |
+ EXPECT_TRUE(GL_NO_ERROR == glGetError()); |
+} |
+ |
+#if defined(OS_WIN) |
+// TODO(dshwang): ANGLE crashes. crbug.com/518889 |
+TEST_P(GLCubeMapTextureTest, DISABLED_ReadPixelsFromIncompleteFBO) { |
+#else |
+TEST_P(GLCubeMapTextureTest, ReadPixelsFromIncompleteFBO) { |
+#endif |
+ GLenum cube_map_target = GetParam(); |
+ |
+ glBindTexture(GL_TEXTURE_CUBE_MAP, texture_); |
+ EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); |
+ |
+ glTexImage2D(cube_map_target, 0, GL_RGBA, width_, width_, 0, GL_RGBA, |
+ GL_UNSIGNED_BYTE, pixels_); |
+ EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); |
+ |
+ glBindFramebuffer(GL_FRAMEBUFFER, framebuffer_id_); |
+ glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, cube_map_target, |
+ texture_, 0); |
+ |
+ // force_gl_finish_after_compositing workaround prevents Nexus 5 crash. |
+ // TODO(dshwang): remove the workaround when it's fixed. crbug.com/518889 |
+ EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError()); |
+ |
+ GLsizei size = width_ * width_ * 4; |
+ scoped_ptr<uint8[]> pixels(new uint8[size]); |
+ // ANGLE crashes on glReadPixels() from incomplete FBO. |
+ glReadPixels(0, 0, width_, width_, GL_RGBA, GL_UNSIGNED_BYTE, pixels.get()); |
+ // TODO(dshwang): According to spec, above glReadPixels() should fail and |
+ // glGetError() should report an error, but some drivers are fine to bind |
+ // incomplete cube map texture to FBO. crbug.com/517548 |
+ glGetError(); |
+} |
+ |
+} // namespace gpu |