1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203
|
// Copyright 2018 The Chromium Authors
// 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 <GLES2/gl2extchromium.h>
#include <stdint.h>
#include <array>
#include "gpu/command_buffer/client/gles2_implementation.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 {
class DiscardableTextureTest : public testing::Test {
protected:
void SetUp() override { gl_.Initialize(GLManager::Options()); }
void TearDown() override { gl_.Destroy(); }
void SetCacheSizeLimitForTesting(size_t cache_size_limit) {
gl_.discardable_manager()->SetCacheSizeLimitForTesting(cache_size_limit);
gl_.passthrough_discardable_manager()->SetCacheSizeLimitForTesting(
cache_size_limit);
}
size_t DiscardableManagerTotalSizeForTesting() {
size_t discardable_manager_size =
gl_.discardable_manager()->TotalSizeForTesting();
size_t passthough_discardable_manager_size =
gl_.passthrough_discardable_manager()->TotalSizeForTesting();
// Only one discardable manager is in use at a time
EXPECT_TRUE(discardable_manager_size == 0 ||
passthough_discardable_manager_size == 0);
return discardable_manager_size + passthough_discardable_manager_size;
}
size_t DiscardableManagerNumCacheEntriesForTesting() {
size_t discardable_manager_entries =
gl_.discardable_manager()->NumCacheEntriesForTesting();
size_t passthough_discardable_manager_entries =
gl_.passthrough_discardable_manager()->NumCacheEntriesForTesting();
// Only one discardable manager is in use at a time
EXPECT_TRUE(discardable_manager_entries == 0 ||
passthough_discardable_manager_entries == 0);
return discardable_manager_entries + passthough_discardable_manager_entries;
}
GLManager gl_;
};
TEST_F(DiscardableTextureTest, BasicUsage) {
GLuint texture = 0;
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 32, 32, 0, GL_RGBA, GL_UNSIGNED_BYTE,
nullptr);
GLTestHelper::CheckGLError("no errors", __LINE__);
gl_.gles2_implementation()->InitializeDiscardableTextureCHROMIUM(texture);
GLTestHelper::CheckGLError("no errors", __LINE__);
EXPECT_GT(DiscardableManagerTotalSizeForTesting(), 0u);
gl_.gles2_implementation()->UnlockDiscardableTextureCHROMIUM(texture);
GLTestHelper::CheckGLError("no errors", __LINE__);
}
TEST_F(DiscardableTextureTest, Limits) {
// Each texture will be 32x32 RGBA unsigned byte
constexpr GLsizei texture_dimension_size = 32;
constexpr size_t texture_size =
texture_dimension_size * texture_dimension_size * 4;
// Set a size limit that should only fit one texture
constexpr size_t cache_size_limit = texture_size + 10;
SetCacheSizeLimitForTesting(cache_size_limit);
constexpr size_t texture_count = 2;
std::array<GLuint, texture_count> textures = {};
glGenTextures(texture_count, textures.data());
for (size_t i = 0; i < texture_count; i++) {
glBindTexture(GL_TEXTURE_2D, textures[i]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, texture_dimension_size,
texture_dimension_size, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
GLTestHelper::CheckGLError("no errors", __LINE__);
gl_.gles2_implementation()->InitializeDiscardableTextureCHROMIUM(
textures[i]);
GLTestHelper::CheckGLError("no errors", __LINE__);
EXPECT_EQ(i + 1, DiscardableManagerNumCacheEntriesForTesting());
}
// Make sure the discardable manager has gone over it's cache size limit
EXPECT_GT(DiscardableManagerTotalSizeForTesting(), cache_size_limit);
// Unlock the textures, verify that they are still tracked
for (size_t i = 0; i < texture_count; i++) {
gl_.gles2_implementation()->UnlockDiscardableTextureCHROMIUM(textures[i]);
GLTestHelper::CheckGLError("no errors", __LINE__);
EXPECT_EQ(texture_count, DiscardableManagerNumCacheEntriesForTesting());
}
// Add a new, large texture the cache and verify that the original textures
// have been removed
constexpr GLsizei large_texture_dimension = texture_dimension_size * 2;
GLuint large_texture = 0;
glGenTextures(1, &large_texture);
glBindTexture(GL_TEXTURE_2D, large_texture);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, large_texture_dimension,
large_texture_dimension, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
GLTestHelper::CheckGLError("no errors", __LINE__);
gl_.gles2_implementation()->InitializeDiscardableTextureCHROMIUM(
large_texture);
GLTestHelper::CheckGLError("no errors", __LINE__);
EXPECT_EQ(1u, DiscardableManagerNumCacheEntriesForTesting());
}
TEST_F(DiscardableTextureTest, CompressedTexImage2D) {
if (!GLTestHelper::HasExtension("GL_ANGLE_texture_compression_dxt1")) {
LOG(INFO)
<< "GL_ANGLE_texture_compression_dxt1 not supported. Skipping test...";
return;
}
GLuint texture = 0;
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
constexpr GLubyte data[8] = {};
glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 4,
4, 0, 8, data);
GLTestHelper::CheckGLError("no errors", __LINE__);
gl_.gles2_implementation()->InitializeDiscardableTextureCHROMIUM(texture);
GLTestHelper::CheckGLError("no errors", __LINE__);
EXPECT_GT(DiscardableManagerTotalSizeForTesting(), 0u);
gl_.gles2_implementation()->UnlockDiscardableTextureCHROMIUM(texture);
GLTestHelper::CheckGLError("no errors", __LINE__);
}
TEST_F(DiscardableTextureTest, TexStorage2D) {
if (!GLTestHelper::HasExtension("GL_EXT_texture_storage")) {
LOG(INFO) << "GL_EXT_texture_storage not supported. Skipping test...";
return;
}
GLuint texture = 0;
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
glTexStorage2DEXT(GL_TEXTURE_2D, 1, GL_ALPHA8_EXT, 1, 1);
GLTestHelper::CheckGLError("no errors", __LINE__);
gl_.gles2_implementation()->InitializeDiscardableTextureCHROMIUM(texture);
GLTestHelper::CheckGLError("no errors", __LINE__);
EXPECT_GT(DiscardableManagerTotalSizeForTesting(), 0u);
gl_.gles2_implementation()->UnlockDiscardableTextureCHROMIUM(texture);
GLTestHelper::CheckGLError("no errors", __LINE__);
}
TEST_F(DiscardableTextureTest, CopyTexImage2D) {
GLuint fbo = 0;
glGenFramebuffers(1, &fbo);
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
GLuint textures[2] = {};
glGenTextures(2, textures);
glBindTexture(GL_TEXTURE_2D, textures[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
nullptr);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
textures[0], 0);
GLTestHelper::CheckGLError("no errors", __LINE__);
glBindTexture(GL_TEXTURE_2D, textures[1]);
glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 0, 0, 1, 1, 0);
gl_.gles2_implementation()->InitializeDiscardableTextureCHROMIUM(textures[1]);
GLTestHelper::CheckGLError("no errors", __LINE__);
EXPECT_GT(DiscardableManagerTotalSizeForTesting(), 0u);
gl_.gles2_implementation()->UnlockDiscardableTextureCHROMIUM(textures[1]);
GLTestHelper::CheckGLError("no errors", __LINE__);
}
} // namespace gpu
|