1 // Copyright 2014 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.
6 #include <GLES2/gl2ext.h>
8 #include "gpu/command_buffer/tests/gl_manager.h"
9 #include "gpu/command_buffer/tests/gl_test_utils.h"
10 #include "testing/gmock/include/gmock/gmock.h"
11 #include "testing/gtest/include/gtest/gtest.h"
15 class TextureStorageTest : public testing::Test {
17 static const GLsizei kResolution = 64;
18 void SetUp() override {
19 GLManager::Options options;
20 options.size = gfx::Size(kResolution, kResolution);
21 gl_.Initialize(options);
24 glGenTextures(1, &tex_);
25 glBindTexture(GL_TEXTURE_2D, tex_);
27 glGenFramebuffers(1, &fbo_);
28 glBindFramebuffer(GL_FRAMEBUFFER, fbo_);
29 glFramebufferTexture2D(GL_FRAMEBUFFER,
35 const GLubyte* extensions = glGetString(GL_EXTENSIONS);
36 extension_available_ = strstr(reinterpret_cast<const char*>(
37 extensions), "GL_EXT_texture_storage");
40 void TearDown() override { gl_.Destroy(); }
45 bool extension_available_;
48 TEST_F(TextureStorageTest, CorrectPixels) {
49 if (!extension_available_)
52 glTexStorage2DEXT(GL_TEXTURE_2D, 2, GL_RGBA8_OES, 2, 2);
54 uint8 source_pixels[16] = {
55 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4
57 glTexSubImage2D(GL_TEXTURE_2D,
61 GL_RGBA, GL_UNSIGNED_BYTE,
63 EXPECT_TRUE(GLTestHelper::CheckPixels(0, 0, 2, 2, 0, source_pixels));
66 TEST_F(TextureStorageTest, IsImmutable) {
67 if (!extension_available_)
70 glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_RGBA8_OES, 4, 4);
73 glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_IMMUTABLE_FORMAT_EXT, ¶m);
77 TEST_F(TextureStorageTest, OneLevel) {
78 if (!extension_available_)
81 glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_RGBA8_OES, 4, 4);
83 uint8 source_pixels[64] = { 0 };
85 EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
86 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 4, 4,
87 GL_RGBA, GL_UNSIGNED_BYTE, source_pixels);
88 EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
89 glTexSubImage2D(GL_TEXTURE_2D, 1, 0, 0, 2, 2,
90 GL_RGBA, GL_UNSIGNED_BYTE, source_pixels);
91 EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
94 TEST_F(TextureStorageTest, MultipleLevels) {
95 if (!extension_available_)
98 glTexStorage2DEXT(GL_TEXTURE_2D, 2, GL_RGBA8_OES, 2, 2);
100 uint8 source_pixels[16] = { 0 };
102 EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
103 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 2, 2,
104 GL_RGBA, GL_UNSIGNED_BYTE, source_pixels);
105 EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
106 glTexSubImage2D(GL_TEXTURE_2D, 1, 0, 0, 1, 1,
107 GL_RGBA, GL_UNSIGNED_BYTE, source_pixels);
108 EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
109 glTexSubImage2D(GL_TEXTURE_2D, 2, 0, 0, 1, 1,
110 GL_RGBA, GL_UNSIGNED_BYTE, source_pixels);
111 EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
114 TEST_F(TextureStorageTest, BadTarget) {
115 if (!extension_available_)
118 EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
119 glTexStorage2DEXT(GL_TEXTURE_CUBE_MAP, 1, GL_RGBA8_OES, 4, 4);
120 EXPECT_EQ(static_cast<GLenum>(GL_INVALID_ENUM), glGetError());
123 TEST_F(TextureStorageTest, InvalidId) {
124 if (!extension_available_)
127 glDeleteTextures(1, &tex_);
128 EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
129 glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_RGBA8_OES, 4, 4);
130 EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
133 TEST_F(TextureStorageTest, CannotRedefine) {
134 if (!extension_available_)
137 glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_RGBA8_OES, 4, 4);
139 EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
140 glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_RGBA8_OES, 4, 4);
141 EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());
143 EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR), glGetError());
144 glTexImage2D(GL_TEXTURE_2D,
152 EXPECT_EQ(static_cast<GLenum>(GL_INVALID_OPERATION), glGetError());