// Copyright 2015 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/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif
#include <stdint.h>
#include "base/containers/heap_array.h"
#include "gpu/command_buffer/service/gles2_cmd_decoder.h"
#include "gpu/command_buffer/service/gles2_cmd_decoder_unittest.h"
using ::gl::MockGLInterface;
using ::testing::_;
using ::testing::Return;
using ::testing::SetArgPointee;
namespace gpu {
namespace gles2 {
namespace {
} // namespace anonymous
TEST_P(GLES3DecoderTest, BindBufferBaseValidArgs) {
EXPECT_CALL(
*gl_, BindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, 2, kServiceBufferId));
SpecializedSetup<cmds::BindBufferBase, 0>(true);
cmds::BindBufferBase cmd;
cmd.Init(GL_TRANSFORM_FEEDBACK_BUFFER, 2, client_buffer_id_);
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
EXPECT_EQ(GL_NO_ERROR, GetGLError());
}
TEST_P(GLES3DecoderTest, BindBufferBaseValidArgsNewId) {
EXPECT_CALL(*gl_,
BindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, 2, kNewServiceId));
EXPECT_CALL(*gl_, GenBuffersARB(1, _))
.WillOnce(SetArgPointee<1>(kNewServiceId));
SpecializedSetup<cmds::BindBufferBase, 0>(true);
cmds::BindBufferBase cmd;
cmd.Init(GL_TRANSFORM_FEEDBACK_BUFFER, 2, kNewClientId);
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
EXPECT_EQ(GL_NO_ERROR, GetGLError());
EXPECT_TRUE(GetBuffer(kNewClientId) != nullptr);
}
TEST_P(GLES3DecoderTest, BindBufferRangeValidArgs) {
const GLenum kTarget = GL_TRANSFORM_FEEDBACK_BUFFER;
const GLintptr kRangeOffset = 4;
const GLsizeiptr kRangeSize = 8;
const GLsizeiptr kBufferSize = kRangeOffset + kRangeSize;
DoBindBuffer(kTarget, client_buffer_id_, kServiceBufferId);
DoBufferData(kTarget, kBufferSize);
EXPECT_CALL(*gl_, BindBufferRange(kTarget, 2, kServiceBufferId,
kRangeOffset, kRangeSize));
SpecializedSetup<cmds::BindBufferRange, 0>(true);
cmds::BindBufferRange cmd;
cmd.Init(kTarget, 2, client_buffer_id_, kRangeOffset, kRangeSize);
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
EXPECT_EQ(GL_NO_ERROR, GetGLError());
}
TEST_P(GLES3DecoderTest, BindBufferRangeValidArgsWithNoData) {
const GLenum kTarget = GL_TRANSFORM_FEEDBACK_BUFFER;
const GLintptr kRangeOffset = 4;
const GLsizeiptr kRangeSize = 8;
DoBindBuffer(kTarget, client_buffer_id_, kServiceBufferId);
EXPECT_CALL(*gl_, BindBufferBase(kTarget, 2, kServiceBufferId));
SpecializedSetup<cmds::BindBufferRange, 0>(true);
cmds::BindBufferRange cmd;
cmd.Init(kTarget, 2, client_buffer_id_, kRangeOffset, kRangeSize);
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
EXPECT_EQ(GL_NO_ERROR, GetGLError());
}
TEST_P(GLES3DecoderTest, BindBufferRangeValidArgsWithLessData) {
const GLenum kTarget = GL_TRANSFORM_FEEDBACK_BUFFER;
const GLintptr kRangeOffset = 4;
const GLsizeiptr kRangeSize = 8;
const GLsizeiptr kBufferSize = kRangeOffset + kRangeSize - 4;
DoBindBuffer(kTarget, client_buffer_id_, kServiceBufferId);
DoBufferData(kTarget, kBufferSize);
EXPECT_CALL(*gl_, BindBufferRange(kTarget, 2, kServiceBufferId,
kRangeOffset, kRangeSize - 4));
SpecializedSetup<cmds::BindBufferRange, 0>(true);
cmds::BindBufferRange cmd;
cmd.Init(kTarget, 2, client_buffer_id_, kRangeOffset, kRangeSize);
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
EXPECT_EQ(GL_NO_ERROR, GetGLError());
}
TEST_P(GLES3DecoderTest, BindBufferRangeValidArgsNewId) {
EXPECT_CALL(*gl_, BindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, 2,
kNewServiceId));
EXPECT_CALL(*gl_, GenBuffersARB(1, _))
.WillOnce(SetArgPointee<1>(kNewServiceId));
SpecializedSetup<cmds::BindBufferRange, 0>(true);
cmds::BindBufferRange cmd;
cmd.Init(GL_TRANSFORM_FEEDBACK_BUFFER, 2, kNewClientId, 4, 4);
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
EXPECT_EQ(GL_NO_ERROR, GetGLError());
EXPECT_TRUE(GetBuffer(kNewClientId) != nullptr);
}
TEST_P(GLES3DecoderTest, MapBufferRangeUnmapBufferReadSucceeds) {
const GLenum kTarget = GL_ARRAY_BUFFER;
const GLintptr kOffset = 10;
const GLsizeiptr kSize = 64;
const GLbitfield kAccess = GL_MAP_READ_BIT;
uint32_t result_shm_id = shared_memory_id_;
uint32_t result_shm_offset = kSharedMemoryOffset;
uint32_t data_shm_id = shared_memory_id_;
// uint32_t is Result for both MapBufferRange and UnmapBuffer commands.
uint32_t data_shm_offset = kSharedMemoryOffset + sizeof(uint32_t);
DoBindBuffer(kTarget, client_buffer_id_, kServiceBufferId);
DoBufferData(kTarget, kSize + kOffset);
std::vector<int8_t> data(kSize);
for (GLsizeiptr ii = 0; ii < kSize; ++ii) {
data[ii] = static_cast<int8_t>(ii % 255);
}
{ // MapBufferRange
EXPECT_CALL(*gl_,
MapBufferRange(kTarget, kOffset, kSize, kAccess))
.WillOnce(Return(&data[0]))
.RetiresOnSaturation();
auto* result = GetSharedMemoryAs<cmds::MapBufferRange::Result*>();
cmds::MapBufferRange cmd;
cmd.Init(kTarget, kOffset, kSize, kAccess, data_shm_id, data_shm_offset,
result_shm_id, result_shm_offset);
*result = 0;
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
int8_t* mem = reinterpret_cast<int8_t*>(&result[1]);
EXPECT_EQ(0, memcmp(&data[0], mem, kSize));
EXPECT_EQ(1u, *result);
}
{ // UnmapBuffer
EXPECT_CALL(*gl_, UnmapBuffer(kTarget))
.WillOnce(Return(GL_TRUE))
.RetiresOnSaturation();
cmds::UnmapBuffer cmd;
cmd.Init(kTarget);
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
}
EXPECT_EQ(GL_NO_ERROR, GetGLError());
}
TEST_P(GLES3DecoderTest, MapBufferRangeUnmapBufferWriteSucceeds) {
const GLenum kTarget = GL_ELEMENT_ARRAY_BUFFER;
const GLintptr kOffset = 10;
const GLsizeiptr kSize = 64;
const GLsizeiptr kTotalSize = kOffset + kSize;
const GLbitfield kAccess = GL_MAP_WRITE_BIT;
const GLbitfield kMappedAccess = GL_MAP_WRITE_BIT | GL_MAP_READ_BIT;
uint32_t result_shm_id = shared_memory_id_;
uint32_t result_shm_offset = kSharedMemoryOffset;
uint32_t data_shm_id = shared_memory_id_;
// uint32_t is Result for both MapBufferRange and UnmapBuffer commands.
uint32_t data_shm_offset = kSharedMemoryOffset + sizeof(uint32_t);
auto* result = GetSharedMemoryAs<cmds::MapBufferRange::Result*>();
int8_t* client_data = GetSharedMemoryAs<int8_t*>() + sizeof(uint32_t);
DoBindBuffer(kTarget, client_buffer_id_, kServiceBufferId);
Buffer* buffer = GetBuffer(client_buffer_id_);
EXPECT_TRUE(buffer != nullptr);
DoBufferData(kTarget, kTotalSize);
std::vector<int8_t> gpu_data(kTotalSize);
for (GLsizeiptr ii = 0; ii < kTotalSize; ++ii) {
gpu_data[ii] = static_cast<int8_t>(ii % 128);
}
DoBufferSubData(kTarget, 0, kTotalSize, &gpu_data[0]);
EXPECT_EQ(GL_NO_ERROR, GetGLError());
EXPECT_TRUE(buffer->shadowed());
const int8_t* shadow_data = reinterpret_cast<const int8_t*>(
buffer->GetRange(0, kTotalSize));
EXPECT_TRUE(shadow_data);
// Verify the shadow data is initialized.
for (GLsizeiptr ii = 0; ii < kTotalSize; ++ii) {
EXPECT_EQ(static_cast<int8_t>(ii % 128), shadow_data[ii]);
}
{ // MapBufferRange succeeds
EXPECT_CALL(*gl_,
MapBufferRange(kTarget, kOffset, kSize, kMappedAccess))
.WillOnce(Return(&gpu_data[kOffset]))
.RetiresOnSaturation();
cmds::MapBufferRange cmd;
cmd.Init(kTarget, kOffset, kSize, kAccess, data_shm_id, data_shm_offset,
result_shm_id, result_shm_offset);
*result = 0;
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
EXPECT_EQ(1u, *result);
// Verify the buffer range from GPU is copied to client mem.
EXPECT_EQ(0, memcmp(&gpu_data[kOffset], client_data, kSize));
}
// Update the client mem.
const int8_t kValue0 = 21;
memset(client_data, kValue0, kSize);
{ // UnmapBuffer succeeds
EXPECT_CALL(*gl_, UnmapBuffer(kTarget))
.WillOnce(Return(GL_TRUE))
.RetiresOnSaturation();
cmds::UnmapBuffer cmd;
cmd.Init(kTarget);
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
// Verify the GPU mem and shadow data are both updated
for (GLsizeiptr ii = 0; ii < kTotalSize; ++ii) {
if (ii < kOffset) {
EXPECT_EQ(static_cast<int8_t>(ii % 128), gpu_data[ii]);
EXPECT_EQ(static_cast<int8_t>(ii % 128), shadow_data[ii]);
} else {
EXPECT_EQ(kValue0, gpu_data[ii]);
EXPECT_EQ(kValue0, shadow_data[ii]);
}
}
}
EXPECT_EQ(GL_NO_ERROR, GetGLError());
}
TEST_P(GLES3DecoderTest, FlushMappedBufferRangeSucceeds) {
const GLenum kTarget = GL_ELEMENT_ARRAY_BUFFER;
const GLintptr kMappedOffset = 10;
const GLsizeiptr kMappedSize = 64;
const GLintptr kFlushRangeOffset = 5;
const GLsizeiptr kFlushRangeSize = 32;
const GLsizeiptr kTotalSize = kMappedOffset + kMappedSize;
const GLbitfield kAccess = GL_MAP_WRITE_BIT | GL_MAP_FLUSH_EXPLICIT_BIT;
const GLbitfield kMappedAccess = kAccess | GL_MAP_READ_BIT;
uint32_t result_shm_id = shared_memory_id_;
uint32_t result_shm_offset = kSharedMemoryOffset;
uint32_t data_shm_id = shared_memory_id_;
// uint32_t is Result for both MapBufferRange and UnmapBuffer commands.
uint32_t data_shm_offset = kSharedMemoryOffset + sizeof(uint32_t);
auto* result = GetSharedMemoryAs<cmds::MapBufferRange::Result*>();
int8_t* client_data = GetSharedMemoryAs<int8_t*>() + sizeof(uint32_t);
DoBindBuffer(kTarget, client_buffer_id_, kServiceBufferId);
Buffer* buffer = GetBuffer(client_buffer_id_);
EXPECT_TRUE(buffer != nullptr);
DoBufferData(kTarget, kTotalSize);
std::vector<int8_t> gpu_data(kTotalSize);
for (GLsizeiptr ii = 0; ii < kTotalSize; ++ii) {
gpu_data[ii] = static_cast<int8_t>(ii % 128);
}
DoBufferSubData(kTarget, 0, kTotalSize, &gpu_data[0]);
EXPECT_EQ(GL_NO_ERROR, GetGLError());
EXPECT_TRUE(buffer->shadowed());
const int8_t* shadow_data = reinterpret_cast<const int8_t*>(
buffer->GetRange(0, kTotalSize));
EXPECT_TRUE(shadow_data);
// Verify the shadow data is initialized.
for (GLsizeiptr ii = 0; ii < kTotalSize; ++ii) {
EXPECT_EQ(static_cast<int8_t>(ii % 128), shadow_data[ii]);
}
{ // MapBufferRange succeeds
EXPECT_CALL(*gl_, MapBufferRange(kTarget, kMappedOffset, kMappedSize,
kMappedAccess))
.WillOnce(Return(&gpu_data[kMappedOffset]))
.RetiresOnSaturation();
cmds::MapBufferRange cmd;
cmd.Init(kTarget, kMappedOffset, kMappedSize, kAccess,
data_shm_id, data_shm_offset,
result_shm_id, result_shm_offset);
*result = 0;
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
EXPECT_EQ(1u, *result);
// Verify the buffer range from GPU is copied to client mem.
EXPECT_EQ(0, memcmp(&gpu_data[kMappedOffset], client_data, kMappedSize));
}
// Update the client mem, including data within and outside the flush range.
const int8_t kValue0 = 21;
memset(client_data, kValue0, kTotalSize);
{ // FlushMappedBufferRange succeeds
EXPECT_CALL(*gl_, FlushMappedBufferRange(kTarget, kFlushRangeOffset,
kFlushRangeSize))
.Times(1)
.RetiresOnSaturation();
cmds::FlushMappedBufferRange cmd;
cmd.Init(kTarget, kFlushRangeOffset, kFlushRangeSize);
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
// Verify the GPU mem and shadow data are both updated, but only within
// the flushed range.
for (GLsizeiptr ii = 0; ii < kTotalSize; ++ii) {
if (ii >= kMappedOffset + kFlushRangeOffset &&
ii < kMappedOffset + kFlushRangeOffset + kFlushRangeSize) {
EXPECT_EQ(kValue0, gpu_data[ii]);
EXPECT_EQ(kValue0, shadow_data[ii]);
} else {
EXPECT_EQ(static_cast<int8_t>(ii % 128), gpu_data[ii]);
EXPECT_EQ(static_cast<int8_t>(ii % 128), shadow_data[ii]);
}
}
}
{ // UnmapBuffer succeeds
EXPECT_CALL(*gl_, UnmapBuffer(kTarget))
.WillOnce(Return(GL_TRUE))
.RetiresOnSaturation();
cmds::UnmapBuffer cmd;
cmd.Init(kTarget);
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
// Verify no further update to the GPU mem and shadow data.
for (GLsizeiptr ii = 0; ii < kTotalSize; ++ii) {
if (ii >= kMappedOffset + kFlushRangeOffset &&
ii < kMappedOffset + kFlushRangeOffset + kFlushRangeSize) {
EXPECT_EQ(kValue0, gpu_data[ii]);
EXPECT_EQ(kValue0, shadow_data[ii]);
} else {
EXPECT_EQ(static_cast<int8_t>(ii % 128), gpu_data[ii]);
EXPECT_EQ(static_cast<int8_t>(ii % 128), shadow_data[ii]);
}
}
}
EXPECT_EQ(GL_NO_ERROR, GetGLError());
}
TEST_P(GLES3DecoderTest, MapBufferRangeNotInitFails) {
const GLenum kTarget = GL_ARRAY_BUFFER;
const GLintptr kOffset = 10;
const GLsizeiptr kSize = 64;
const GLbitfield kAccess = GL_MAP_READ_BIT;
std::vector<int8_t> data(kSize);
auto* result = GetSharedMemoryAs<cmds::MapBufferRange::Result*>();
*result = 1; // Any value other than 0.
uint32_t result_shm_id = shared_memory_id_;
uint32_t result_shm_offset = kSharedMemoryOffset;
uint32_t data_shm_id = shared_memory_id_;
uint32_t data_shm_offset = kSharedMemoryOffset + sizeof(*result);
cmds::MapBufferRange cmd;
cmd.Init(kTarget, kOffset, kSize, kAccess, data_shm_id, data_shm_offset,
result_shm_id, result_shm_offset);
EXPECT_NE(error::kNoError, ExecuteCmd(cmd));
}
TEST_P(GLES3DecoderTest, MapBufferRangeWriteInvalidateRangeSucceeds) {
const GLenum kTarget = GL_ARRAY_BUFFER;
const GLintptr kOffset = 10;
const GLsizeiptr kSize = 64;
// With MAP_INVALIDATE_RANGE_BIT, no need to append MAP_READ_BIT.
const GLbitfield kAccess = GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_RANGE_BIT;
DoBindBuffer(kTarget, client_buffer_id_, kServiceBufferId);
DoBufferData(kTarget, kSize + kOffset);
std::vector<int8_t> data(kSize);
for (GLsizeiptr ii = 0; ii < kSize; ++ii) {
data[ii] = static_cast<int8_t>(ii % 255);
}
EXPECT_CALL(*gl_,
MapBufferRange(kTarget, kOffset, kSize, kAccess))
.WillOnce(Return(&data[0]))
.RetiresOnSaturation();
auto* result = GetSharedMemoryAs<cmds::MapBufferRange::Result*>();
*result = 0;
uint32_t result_shm_id = shared_memory_id_;
uint32_t result_shm_offset = kSharedMemoryOffset;
uint32_t data_shm_id = shared_memory_id_;
uint32_t data_shm_offset = kSharedMemoryOffset + sizeof(*result);
int8_t* mem = reinterpret_cast<int8_t*>(&result[1]);
memset(mem, 72, kSize); // Init to a random value other than 0.
cmds::MapBufferRange cmd;
cmd.Init(kTarget, kOffset, kSize, kAccess, data_shm_id, data_shm_offset,
result_shm_id, result_shm_offset);
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
}
TEST_P(GLES3DecoderTest, MapBufferRangeWriteInvalidateBufferSucceeds) {
// Test INVALIDATE_BUFFER_BIT is mapped to INVALIDATE_RANGE_BIT.
const GLenum kTarget = GL_ARRAY_BUFFER;
const GLintptr kOffset = 10;
const GLsizeiptr kSize = 64;
const GLbitfield kAccess = GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT;
// With MAP_INVALIDATE_BUFFER_BIT, no need to append MAP_READ_BIT.
const GLbitfield kFilteredAccess =
GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_RANGE_BIT;
DoBindBuffer(kTarget, client_buffer_id_, kServiceBufferId);
DoBufferData(kTarget, kSize + kOffset);
std::vector<int8_t> data(kSize);
for (GLsizeiptr ii = 0; ii < kSize; ++ii) {
data[ii] = static_cast<int8_t>(ii % 255);
}
EXPECT_CALL(*gl_,
MapBufferRange(kTarget, kOffset, kSize, kFilteredAccess))
.WillOnce(Return(&data[0]))
.RetiresOnSaturation();
auto* result = GetSharedMemoryAs<cmds::MapBufferRange::Result*>();
*result = 0;
uint32_t result_shm_id = shared_memory_id_;
uint32_t result_shm_offset = kSharedMemoryOffset;
uint32_t data_shm_id = shared_memory_id_;
uint32_t data_shm_offset = kSharedMemoryOffset + sizeof(*result);
int8_t* mem = reinterpret_cast<int8_t*>(&result[1]);
memset(mem, 72, kSize); // Init to a random value other than 0.
cmds::MapBufferRange cmd;
cmd.Init(kTarget, kOffset, kSize, kAccess, data_shm_id, data_shm_offset,
result_shm_id, result_shm_offset);
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
}
TEST_P(GLES3DecoderTest, MapBufferRangeWriteUnsynchronizedBit) {
// Test UNSYNCHRONIZED_BIT is filtered out.
const GLenum kTarget = GL_ARRAY_BUFFER;
const GLintptr kOffset = 10;
const GLsizeiptr kSize = 64;
const GLbitfield kAccess = GL_MAP_WRITE_BIT | GL_MAP_UNSYNCHRONIZED_BIT;
const GLbitfield kFilteredAccess = GL_MAP_WRITE_BIT | GL_MAP_READ_BIT;
DoBindBuffer(kTarget, client_buffer_id_, kServiceBufferId);
DoBufferData(kTarget, kSize + kOffset);
std::vector<int8_t> data(kSize);
for (GLsizeiptr ii = 0; ii < kSize; ++ii) {
data[ii] = static_cast<int8_t>(ii % 255);
}
EXPECT_CALL(*gl_,
MapBufferRange(kTarget, kOffset, kSize, kFilteredAccess))
.WillOnce(Return(&data[0]))
.RetiresOnSaturation();
auto* result = GetSharedMemoryAs<cmds::MapBufferRange::Result*>();
*result = 0;
uint32_t result_shm_id = shared_memory_id_;
uint32_t result_shm_offset = kSharedMemoryOffset;
uint32_t data_shm_id = shared_memory_id_;
uint32_t data_shm_offset = kSharedMemoryOffset + sizeof(*result);
int8_t* mem = reinterpret_cast<int8_t*>(&result[1]);
memset(mem, 72, kSize); // Init to a random value other than 0.
cmds::MapBufferRange cmd;
cmd.Init(kTarget, kOffset, kSize, kAccess, data_shm_id, data_shm_offset,
result_shm_id, result_shm_offset);
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
EXPECT_EQ(0, memcmp(&data[0], mem, kSize));
}
TEST_P(GLES3DecoderTest, MapBufferRangeWithError) {
const GLenum kTarget = GL_ARRAY_BUFFER;
const GLintptr kOffset = 10;
const GLsizeiptr kSize = 64;
const GLbitfield kAccess = GL_MAP_READ_BIT;
std::vector<int8_t> data(kSize);
for (GLsizeiptr ii = 0; ii < kSize; ++ii) {
data[ii] = static_cast<int8_t>(ii % 255);
}
auto* result = GetSharedMemoryAs<cmds::MapBufferRange::Result*>();
*result = 0;
uint32_t result_shm_id = shared_memory_id_;
uint32_t result_shm_offset = kSharedMemoryOffset;
uint32_t data_shm_id = shared_memory_id_;
uint32_t data_shm_offset = kSharedMemoryOffset + sizeof(*result);
int8_t* mem = reinterpret_cast<int8_t*>(&result[1]);
memset(mem, 72, kSize); // Init to a random value other than 0.
cmds::MapBufferRange cmd;
cmd.Init(kTarget, kOffset, kSize, kAccess, data_shm_id, data_shm_offset,
result_shm_id, result_shm_offset);
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
memset(&data[0], 72, kSize);
// Mem is untouched.
EXPECT_EQ(0, memcmp(&data[0], mem, kSize));
EXPECT_EQ(0u, *result);
EXPECT_EQ(GL_INVALID_OPERATION, GetGLError());
}
TEST_P(GLES3DecoderTest, MapBufferRangeBadSharedMemoryFails) {
const GLenum kTarget = GL_ARRAY_BUFFER;
const GLintptr kOffset = 10;
const GLsizeiptr kSize = 64;
const GLbitfield kAccess = GL_MAP_READ_BIT;
std::vector<int8_t> data(kSize);
for (GLsizeiptr ii = 0; ii < kSize; ++ii) {
data[ii] = static_cast<int8_t>(ii % 255);
}
DoBindBuffer(kTarget, client_buffer_id_, kServiceBufferId);
DoBufferData(kTarget, kOffset + kSize);
auto* result = GetSharedMemoryAs<cmds::MapBufferRange::Result*>();
*result = 0;
uint32_t result_shm_id = shared_memory_id_;
uint32_t result_shm_offset = kSharedMemoryOffset;
uint32_t data_shm_id = shared_memory_id_;
uint32_t data_shm_offset = kSharedMemoryOffset + sizeof(*result);
cmds::MapBufferRange cmd;
cmd.Init(kTarget, kOffset, kSize, kAccess,
kInvalidSharedMemoryId, data_shm_offset,
result_shm_id, result_shm_offset);
EXPECT_NE(error::kNoError, ExecuteCmd(cmd));
cmd.Init(kTarget, kOffset, kSize, kAccess,
data_shm_id, data_shm_offset,
kInvalidSharedMemoryId, result_shm_offset);
EXPECT_NE(error::kNoError, ExecuteCmd(cmd));
cmd.Init(kTarget, kOffset, kSize, kAccess,
data_shm_id, kInvalidSharedMemoryOffset,
result_shm_id, result_shm_offset);
EXPECT_NE(error::kNoError, ExecuteCmd(cmd));
cmd.Init(kTarget, kOffset, kSize, kAccess,
data_shm_id, data_shm_offset,
result_shm_id, kInvalidSharedMemoryOffset);
EXPECT_NE(error::kNoError, ExecuteCmd(cmd));
}
TEST_P(GLES3DecoderTest, UnmapBufferWriteNotMappedFails) {
const GLenum kTarget = GL_ARRAY_BUFFER;
DoBindBuffer(kTarget, client_buffer_id_, kServiceBufferId);
cmds::UnmapBuffer cmd;
cmd.Init(kTarget);
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
EXPECT_EQ(GL_INVALID_OPERATION, GetGLError());
}
TEST_P(GLES3DecoderTest, UnmapBufferWriteNoBoundBufferFails) {
const GLenum kTarget = GL_ARRAY_BUFFER;
cmds::UnmapBuffer cmd;
cmd.Init(kTarget);
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
EXPECT_EQ(GL_INVALID_OPERATION, GetGLError());
}
TEST_P(GLES3DecoderTest, BufferDataDestroysDataStore) {
const GLenum kTarget = GL_ARRAY_BUFFER;
const GLintptr kOffset = 10;
const GLsizeiptr kSize = 64;
const GLbitfield kAccess = GL_MAP_WRITE_BIT;
const GLbitfield kFilteredAccess = GL_MAP_WRITE_BIT | GL_MAP_READ_BIT;
uint32_t result_shm_id = shared_memory_id_;
uint32_t result_shm_offset = kSharedMemoryOffset;
uint32_t data_shm_id = shared_memory_id_;
// uint32_t is Result for both MapBufferRange and UnmapBuffer commands.
uint32_t data_shm_offset = kSharedMemoryOffset + sizeof(uint32_t);
DoBindBuffer(kTarget, client_buffer_id_, kServiceBufferId);
DoBufferData(kTarget, kSize + kOffset);
std::vector<int8_t> data(kSize);
{ // MapBufferRange succeeds
EXPECT_CALL(*gl_,
MapBufferRange(kTarget, kOffset, kSize, kFilteredAccess))
.WillOnce(Return(&data[0]))
.RetiresOnSaturation();
auto* result = GetSharedMemoryAs<cmds::MapBufferRange::Result*>();
cmds::MapBufferRange cmd;
cmd.Init(kTarget, kOffset, kSize, kAccess, data_shm_id, data_shm_offset,
result_shm_id, result_shm_offset);
*result = 0;
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
EXPECT_EQ(1u, *result);
}
{ // BufferData unmaps the data store.
DoBufferData(kTarget, kSize * 2);
EXPECT_EQ(GL_NO_ERROR, GetGLError());
}
{ // UnmapBuffer fails.
cmds::UnmapBuffer cmd;
cmd.Init(kTarget);
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
EXPECT_EQ(GL_INVALID_OPERATION, GetGLError());
}
}
TEST_P(GLES3DecoderTest, DeleteBuffersDestroysDataStore) {
const GLenum kTarget = GL_ARRAY_BUFFER;
const GLintptr kOffset = 10;
const GLsizeiptr kSize = 64;
const GLbitfield kAccess = GL_MAP_WRITE_BIT;
const GLbitfield kFilteredAccess = GL_MAP_WRITE_BIT | GL_MAP_READ_BIT;
uint32_t result_shm_id = shared_memory_id_;
uint32_t result_shm_offset = kSharedMemoryOffset;
uint32_t data_shm_id = shared_memory_id_;
// uint32_t is Result for both MapBufferRange and UnmapBuffer commands.
uint32_t data_shm_offset = kSharedMemoryOffset + sizeof(uint32_t);
DoBindBuffer(kTarget, client_buffer_id_, kServiceBufferId);
DoBufferData(kTarget, kSize + kOffset);
std::vector<int8_t> data(kSize);
{ // MapBufferRange succeeds
EXPECT_CALL(*gl_,
MapBufferRange(kTarget, kOffset, kSize, kFilteredAccess))
.WillOnce(Return(&data[0]))
.RetiresOnSaturation();
auto* result = GetSharedMemoryAs<cmds::MapBufferRange::Result*>();
cmds::MapBufferRange cmd;
cmd.Init(kTarget, kOffset, kSize, kAccess, data_shm_id, data_shm_offset,
result_shm_id, result_shm_offset);
*result = 0;
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
EXPECT_EQ(1u, *result);
}
{ // DeleteBuffers unmaps the data store.
EXPECT_CALL(*gl_, BindBuffer(kTarget, 0)).Times(1).RetiresOnSaturation();
EXPECT_CALL(*gl_, UnmapBuffer(kTarget))
.WillOnce(Return(GL_TRUE))
.RetiresOnSaturation();
DoDeleteBuffer(client_buffer_id_, kServiceBufferId);
EXPECT_EQ(GL_NO_ERROR, GetGLError());
}
{ // UnmapBuffer fails.
cmds::UnmapBuffer cmd;
cmd.Init(kTarget);
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
EXPECT_EQ(GL_INVALID_OPERATION, GetGLError());
}
}
TEST_P(GLES3DecoderTest, MapUnmapBufferInvalidTarget) {
const GLenum kTarget = GL_TEXTURE_2D;
const GLintptr kOffset = 10;
const GLsizeiptr kSize = 64;
const GLbitfield kAccess = GL_MAP_WRITE_BIT;
uint32_t result_shm_id = shared_memory_id_;
uint32_t result_shm_offset = kSharedMemoryOffset;
uint32_t data_shm_id = shared_memory_id_;
// uint32_t is Result for both MapBufferRange and UnmapBuffer commands.
uint32_t data_shm_offset = kSharedMemoryOffset + sizeof(uint32_t);
auto* result = GetSharedMemoryAs<cmds::MapBufferRange::Result*>();
{
cmds::MapBufferRange cmd;
cmd.Init(kTarget, kOffset, kSize, kAccess, data_shm_id, data_shm_offset,
result_shm_id, result_shm_offset);
*result = 0;
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
EXPECT_EQ(0u, *result);
EXPECT_EQ(GL_INVALID_ENUM, GetGLError());
}
{
cmds::UnmapBuffer cmd;
cmd.Init(kTarget);
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
EXPECT_EQ(GL_INVALID_ENUM, GetGLError());
}
}
TEST_P(GLES3DecoderTest, CopyBufferSubDataValidArgs) {
const GLenum kTarget = GL_ELEMENT_ARRAY_BUFFER;
const GLsizeiptr kSize = 64;
const GLsizeiptr kHalfSize = kSize / 2;
const GLintptr kReadOffset = 0;
const GLintptr kWriteOffset = kHalfSize;
const GLsizeiptr kCopySize = 5;
const char kValue0 = 3;
const char kValue1 = 21;
// Set up the buffer so first half is kValue0 and second half is kValue1.
DoBindBuffer(kTarget, client_buffer_id_, kServiceBufferId);
DoBufferData(kTarget, kSize);
auto data = base::HeapArray<char>::Uninit(kHalfSize);
memset(data.data(), kValue0, kHalfSize);
DoBufferSubData(kTarget, 0, kHalfSize, data.data());
memset(data.data(), kValue1, kHalfSize);
DoBufferSubData(kTarget, kHalfSize, kHalfSize, data.data());
EXPECT_EQ(GL_NO_ERROR, GetGLError());
Buffer* buffer = GetBuffer(client_buffer_id_);
EXPECT_TRUE(buffer);
const char* shadow_data = reinterpret_cast<const char*>(
buffer->GetRange(0, kSize));
EXPECT_TRUE(shadow_data);
// Verify the shadow data is initialized.
for (GLsizeiptr ii = 0; ii < kHalfSize; ++ii) {
EXPECT_EQ(kValue0, shadow_data[ii]);
}
for (GLsizeiptr ii = kHalfSize; ii < kSize; ++ii) {
EXPECT_EQ(kValue1, shadow_data[ii]);
}
EXPECT_CALL(*gl_, CopyBufferSubData(kTarget, kTarget,
kReadOffset, kWriteOffset, kCopySize));
cmds::CopyBufferSubData cmd;
cmd.Init(kTarget, kTarget, kReadOffset, kWriteOffset, kCopySize);
EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
EXPECT_EQ(GL_NO_ERROR, GetGLError());
// Verify the shadow data is updated.
for (GLsizeiptr ii = 0; ii < kHalfSize; ++ii) {
EXPECT_EQ(kValue0, shadow_data[ii]);
}
for (GLsizeiptr ii = kHalfSize; ii < kSize; ++ii) {
if (ii >= kWriteOffset && ii < kWriteOffset + kCopySize) {
EXPECT_EQ(kValue0, shadow_data[ii]);
} else {
EXPECT_EQ(kValue1, shadow_data[ii]);
}
}
}
} // namespace gles2
} // namespace gpu