Add validations on texture sample counts in B2T and T2B copies
This patch adds validations on the sample count of the textures used in
buffer-to-texture and texture-to-buffer copies. Vulkan SPEC requires the
textures used in vkCmdCopyBufferToImage and VkCmdCopyImageToBuffer must
have a sample count equal to VK_SAMPLE_COUNT_1_BIT.
BUG=dawn:56
TEST=dawn_unittests
Change-Id: I189923eee2d8734d5ae3b57aea1a55533e8d98b7
Reviewed-on: https://dawn-review.googlesource.com/c/5220
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Jiawei Shao <jiawei.shao@intel.com>
diff --git a/src/dawn_native/CommandEncoder.cpp b/src/dawn_native/CommandEncoder.cpp
index 7535d18..22f7fb8 100644
--- a/src/dawn_native/CommandEncoder.cpp
+++ b/src/dawn_native/CommandEncoder.cpp
@@ -133,6 +133,14 @@
return {};
}
+ MaybeError ValidateTextureSampleCountInCopyCommands(const TextureBase* texture) {
+ if (texture->GetSampleCount() > 1) {
+ return DAWN_VALIDATION_ERROR("The sample count of textures must be 1");
+ }
+
+ return {};
+ }
+
MaybeError ComputeTextureCopyBufferSize(const Extent3D& copySize,
uint32_t rowPitch,
uint32_t imageHeight,
@@ -735,6 +743,9 @@
DAWN_TRY(GetDevice()->ValidateObject(copy->source.buffer.Get()));
DAWN_TRY(GetDevice()->ValidateObject(copy->destination.texture.Get()));
+ DAWN_TRY(
+ ValidateTextureSampleCountInCopyCommands(copy->destination.texture.Get()));
+
uint32_t bufferCopySize = 0;
DAWN_TRY(ValidateRowPitch(copy->destination.texture->GetFormat(),
copy->copySize, copy->source.rowPitch));
@@ -763,6 +774,8 @@
DAWN_TRY(GetDevice()->ValidateObject(copy->source.texture.Get()));
DAWN_TRY(GetDevice()->ValidateObject(copy->destination.buffer.Get()));
+ DAWN_TRY(ValidateTextureSampleCountInCopyCommands(copy->source.texture.Get()));
+
uint32_t bufferCopySize = 0;
DAWN_TRY(ValidateRowPitch(copy->source.texture->GetFormat(), copy->copySize,
copy->destination.rowPitch));
diff --git a/src/tests/unittests/validation/CopyCommandsValidationTests.cpp b/src/tests/unittests/validation/CopyCommandsValidationTests.cpp
index d0696ac..a11731b 100644
--- a/src/tests/unittests/validation/CopyCommandsValidationTests.cpp
+++ b/src/tests/unittests/validation/CopyCommandsValidationTests.cpp
@@ -29,14 +29,14 @@
dawn::Texture Create2DTexture(uint32_t width, uint32_t height, uint32_t mipLevelCount,
uint32_t arrayLayerCount, dawn::TextureFormat format,
- dawn::TextureUsageBit usage) {
+ dawn::TextureUsageBit usage, uint32_t sampleCount = 1) {
dawn::TextureDescriptor descriptor;
descriptor.dimension = dawn::TextureDimension::e2D;
descriptor.size.width = width;
descriptor.size.height = height;
descriptor.size.depth = 1;
descriptor.arrayLayerCount = arrayLayerCount;
- descriptor.sampleCount = 1;
+ descriptor.sampleCount = sampleCount;
descriptor.format = format;
descriptor.mipLevelCount = mipLevelCount;
descriptor.usage = usage;
@@ -409,6 +409,17 @@
}
}
+// Test multisampled textures cannot be used in B2T copies.
+TEST_F(CopyCommandTest_B2T, CopyToMultisampledTexture) {
+ uint32_t bufferSize = BufferSizeForTextureCopy(16, 16, 1);
+ dawn::Buffer source = CreateBuffer(bufferSize, dawn::BufferUsageBit::TransferSrc);
+ dawn::Texture destination = Create2DTexture(2, 2, 1, 1, dawn::TextureFormat::R8G8B8A8Unorm,
+ dawn::TextureUsageBit::TransferDst, 4);
+
+ TestB2TCopy(utils::Expectation::Failure, source, 0, 256, 0, destination, 0, 0, {0, 0, 0},
+ {2, 2, 1});
+}
+
class CopyCommandTest_T2B : public CopyCommandTest {
};
@@ -612,3 +623,13 @@
256, 0, {1, 1, 1});
}
+// Test multisampled textures cannot be used in T2B copies.
+TEST_F(CopyCommandTest_T2B, CopyFromMultisampledTexture) {
+ dawn::Texture source = Create2DTexture(2, 2, 1, 1, dawn::TextureFormat::R8G8B8A8Unorm,
+ dawn::TextureUsageBit::TransferSrc, 4);
+ uint32_t bufferSize = BufferSizeForTextureCopy(16, 16, 1);
+ dawn::Buffer destination = CreateBuffer(bufferSize, dawn::BufferUsageBit::TransferDst);
+
+ TestT2BCopy(utils::Expectation::Failure, source, 0, 0, {0, 0, 0}, destination, 0, 256, 0,
+ {2, 2, 1});
+}