encounter
/
dawn-cmake
mirror of https://github.com/encounter/dawn-cmake.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Add Buffer->Texture->Buffer copy test 

This does a Buffer->Buffer copy using a Texture as an intermediate
resource and checks if the resulting buffer data is the same
This commit is contained in:
Austin Eng 2017-06-30 16:08:25 -04:00 committed by Austin Eng
parent 49fe566d05
commit a9b2a9871c
1 changed files with 40 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
src/tests/end2end/BasicTests.cpp
View File

@ -56,4 +56,44 @@ TEST_P(BasicTests, ReadPixelsTest) {
EXPECT_PIXEL_RGBA8_EQ(red, texture, 0, 0);
}
TEST_P(BasicTests, Buffer2Texture2Buffer) {
static constexpr unsigned int kSize = 64;
uint8_t data[4 * kSize * kSize] = {};
for (unsigned int i = 0; i < 4 * kSize * kSize; ++i) {
data[i] = i % 256;
}
nxt::Buffer srcBuffer = utils::CreateFrozenBufferFromData(device, data, 4 * kSize * kSize, nxt::BufferUsageBit::TransferSrc);
nxt::Texture texture = device.CreateTextureBuilder()
.SetDimension(nxt::TextureDimension::e2D)
.SetExtent(kSize, kSize, 1)
.SetFormat(nxt::TextureFormat::R8G8B8A8Unorm)
.SetMipLevels(1)
.SetAllowedUsage(nxt::TextureUsageBit::TransferDst | nxt::TextureUsageBit::TransferSrc)
.GetResult();
nxt::Buffer dstBuffer = device.CreateBufferBuilder()
.SetAllowedUsage(nxt::BufferUsageBit::TransferDst | nxt::BufferUsageBit::TransferSrc)
.SetInitialUsage(nxt::BufferUsageBit::TransferDst)
.SetSize(4 * kSize * kSize)
.GetResult();
nxt::CommandBuffer commands = device.CreateCommandBufferBuilder()
.TransitionTextureUsage(texture, nxt::TextureUsageBit::TransferDst)
.CopyBufferToTexture(srcBuffer, 0, texture, 0, 0, 0, kSize, kSize, 1, 0)
.TransitionTextureUsage(texture, nxt::TextureUsageBit::TransferSrc)
.TransitionBufferUsage(dstBuffer, nxt::BufferUsageBit::TransferDst)
.CopyTextureToBuffer(texture, 0, 0, 0, kSize, kSize, 1, 0, dstBuffer, 0)
.GetResult();
queue.Submit(1, &commands);
const uint32_t* dataView = reinterpret_cast<uint32_t*>(data);
EXPECT_BUFFER_U32_RANGE_EQ(dataView, dstBuffer, 0, kSize * kSize);
}
NXT_INSTANTIATE_TEST(BasicTests, MetalBackend, D3D12Backend)