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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/390223051): Remove C-library calls to fix the errors.
#pragma allow_unsafe_libc_calls
#endif
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <GLES2/gl2extchromium.h>
#include <stdint.h>
#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 SetAggressivelyFreeResourcesTest : public testing::Test {
protected:
void SetUp() override {
GLManager::Options options;
options.context_type = CONTEXT_TYPE_OPENGLES3;
gl_.Initialize(options);
if (!gl_.IsInitialized()) {
options.context_type = CONTEXT_TYPE_OPENGLES2;
gl_.Initialize(options);
}
context_type_ = options.context_type;
// Make sure we start with a clean slate.
gl_.gles2_implementation()->FreeEverything();
EXPECT_EQ(0u, gl_.GetSharedMemoryBytesAllocated());
}
void TearDown() override { gl_.Destroy(); }
GLManager gl_;
ContextType context_type_ = CONTEXT_TYPE_OPENGLES3;
};
// Tests that SetAggressivelyFreeResources releases command buffer memory.
TEST_F(SetAggressivelyFreeResourcesTest, FreeAllMemory_CommandBuffer) {
GLuint texture = 0;
EXPECT_EQ(0u, gl_.GetSharedMemoryBytesAllocated());
// Basic command that just uses command buffer.
glGenTextures(1, &texture);
EXPECT_LT(0u, gl_.GetSharedMemoryBytesAllocated());
gl_.gles2_implementation()->SetAggressivelyFreeResources(true);
EXPECT_EQ(0u, gl_.GetSharedMemoryBytesAllocated());
}
// Tests that SetAggressivelyFreeResources releases transfer buffer memory.
TEST_F(SetAggressivelyFreeResourcesTest, FreeAllMemory_TransferBuffer) {
GLuint texture = 0;
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
const char kPixels[4 * 4 * 4] = {};
// Allocates transfer buffer space for the pixels.
size_t old_size = gl_.GetSharedMemoryBytesAllocated();
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 4, 4, 0, GL_RGBA, GL_UNSIGNED_BYTE,
kPixels);
EXPECT_LT(old_size, gl_.GetSharedMemoryBytesAllocated());
gl_.gles2_implementation()->SetAggressivelyFreeResources(true);
EXPECT_EQ(0u, gl_.GetSharedMemoryBytesAllocated());
}
// Tests that SetAggressivelyFreeResources releases mapped memory.
TEST_F(SetAggressivelyFreeResourcesTest, FreeAllMemory_MappedMemory) {
GLuint buffer = 0;
glGenBuffers(1, &buffer);
glBindBuffer(GL_ARRAY_BUFFER, buffer);
const char kData[256] = {};
glBufferData(GL_ARRAY_BUFFER, sizeof(kData), kData, GL_STATIC_DRAW);
size_t old_size = gl_.GetSharedMemoryBytesAllocated();
// Allocates mapped memory for data.
void* data = glMapBufferSubDataCHROMIUM(GL_ARRAY_BUFFER, 0, sizeof(kData),
GL_WRITE_ONLY);
ASSERT_TRUE(data);
memcpy(data, kData, sizeof(kData));
glUnmapBufferSubDataCHROMIUM(data);
EXPECT_LT(old_size, gl_.GetSharedMemoryBytesAllocated());
gl_.gles2_implementation()->SetAggressivelyFreeResources(true);
EXPECT_EQ(0u, gl_.GetSharedMemoryBytesAllocated());
}
// Tests that SetAggressivelyFreeResources releases QuerySyncs.
TEST_F(SetAggressivelyFreeResourcesTest, FreeAllMemory_Queries) {
GLuint query = 0;
glGenQueriesEXT(1, &query);
size_t old_size = gl_.GetSharedMemoryBytesAllocated();
// Allocates a QuerySync.
glBeginQueryEXT(GL_COMMANDS_ISSUED_CHROMIUM, query);
glEndQueryEXT(GL_COMMANDS_ISSUED_CHROMIUM);
glDeleteQueriesEXT(1, &query);
EXPECT_LT(old_size, gl_.GetSharedMemoryBytesAllocated());
gl_.gles2_implementation()->SetAggressivelyFreeResources(true);
EXPECT_EQ(0u, gl_.GetSharedMemoryBytesAllocated());
}
// Tests that SetAggressivelyFreeResources releases all types of shared memory.
TEST_F(SetAggressivelyFreeResourcesTest, FreeAllMemory) {
GLuint query = 0;
glGenQueriesEXT(1, &query);
// Allocates a QuerySync.
glBeginQueryEXT(GL_COMMANDS_ISSUED_CHROMIUM, query);
GLuint texture = 0;
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
const char kPixels[4 * 4 * 4] = {};
// Allocates transfer buffer space for the pixels.
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 4, 4, 0, GL_RGBA, GL_UNSIGNED_BYTE,
kPixels);
GLuint buffer = 0;
glGenBuffers(1, &buffer);
glBindBuffer(GL_ARRAY_BUFFER, buffer);
const char kData[256] = {};
// Allocates transfer buffer space for kData.
glBufferData(GL_ARRAY_BUFFER, sizeof(kData), kData, GL_STATIC_DRAW);
// Allocates mapped memory for data.
void* data = glMapBufferSubDataCHROMIUM(GL_ARRAY_BUFFER, 0, sizeof(kData),
GL_WRITE_ONLY);
ASSERT_TRUE(data);
memcpy(data, kData, sizeof(kData));
glUnmapBufferSubDataCHROMIUM(data);
glEndQueryEXT(GL_COMMANDS_ISSUED_CHROMIUM);
glDeleteQueriesEXT(1, &query);
EXPECT_LT(0u, gl_.GetSharedMemoryBytesAllocated());
gl_.gles2_implementation()->SetAggressivelyFreeResources(true);
EXPECT_EQ(0u, gl_.GetSharedMemoryBytesAllocated());
}
} // namespace gpu
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