Fix a bug about mip dimension calculation
Mip dimension should be greater than or equal to 1, while width >> level
may lead to 0.
Bug: dawn:547
Change-Id: Ib3dfb9fbdbed0e922df6efa366598eff0ca10df2
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/49506
Commit-Queue: Yunchao He <yunchao.he@intel.com>
Reviewed-by: Austin Eng <enga@chromium.org>
diff --git a/src/dawn_native/CommandEncoder.cpp b/src/dawn_native/CommandEncoder.cpp
index 921d5f4..97f7320 100644
--- a/src/dawn_native/CommandEncoder.cpp
+++ b/src/dawn_native/CommandEncoder.cpp
@@ -179,17 +179,13 @@
return DAWN_VALIDATION_ERROR("The mip level count of the resolve target must be 1");
}
- uint32_t colorAttachmentBaseMipLevel = attachment->GetBaseMipLevel();
- const Extent3D& colorTextureSize = attachment->GetTexture()->GetSize();
- uint32_t colorAttachmentWidth = colorTextureSize.width >> colorAttachmentBaseMipLevel;
- uint32_t colorAttachmentHeight = colorTextureSize.height >> colorAttachmentBaseMipLevel;
-
- uint32_t resolveTargetBaseMipLevel = resolveTarget->GetBaseMipLevel();
- const Extent3D& resolveTextureSize = resolveTarget->GetTexture()->GetSize();
- uint32_t resolveTargetWidth = resolveTextureSize.width >> resolveTargetBaseMipLevel;
- uint32_t resolveTargetHeight = resolveTextureSize.height >> resolveTargetBaseMipLevel;
- if (colorAttachmentWidth != resolveTargetWidth ||
- colorAttachmentHeight != resolveTargetHeight) {
+ const Extent3D& colorTextureSize =
+ attachment->GetTexture()->GetMipLevelVirtualSize(attachment->GetBaseMipLevel());
+ const Extent3D& resolveTextureSize =
+ resolveTarget->GetTexture()->GetMipLevelVirtualSize(
+ resolveTarget->GetBaseMipLevel());
+ if (colorTextureSize.width != resolveTextureSize.width ||
+ colorTextureSize.height != resolveTextureSize.height) {
return DAWN_VALIDATION_ERROR(
"The size of the resolve target must be the same as the color attachment");
}
diff --git a/src/tests/end2end/CopyTests.cpp b/src/tests/end2end/CopyTests.cpp
index 07cbaab..e16c424 100644
--- a/src/tests/end2end/CopyTests.cpp
+++ b/src/tests/end2end/CopyTests.cpp
@@ -671,6 +671,27 @@
}
}
+// Test that copying mips when one dimension is 256-byte aligned and another dimension reach one
+// works
+TEST_P(CopyTests_T2B, TextureMipDimensionReachOne) {
+ constexpr uint32_t mipLevelCount = 4;
+ constexpr uint32_t kWidth = 256 << mipLevelCount;
+ constexpr uint32_t kHeight = 2;
+
+ TextureSpec defaultTextureSpec;
+ defaultTextureSpec.textureSize = {kWidth, kHeight, 1};
+
+ TextureSpec textureSpec = defaultTextureSpec;
+ textureSpec.levelCount = mipLevelCount;
+
+ for (unsigned int i = 0; i < 4; ++i) {
+ textureSpec.copyLevel = i;
+ DoTest(textureSpec,
+ MinimumBufferSpec(std::max(kWidth >> i, 1u), std::max(kHeight >> i, 1u)),
+ {std::max(kWidth >> i, 1u), std::max(kHeight >> i, 1u), 1});
+ }
+}
+
// Test that copying mips without 256-byte aligned sizes works
TEST_P(CopyTests_T2B, TextureMipUnaligned) {
constexpr uint32_t kWidth = 259;
diff --git a/src/utils/TestUtils.cpp b/src/utils/TestUtils.cpp
index 673ad78..acae87e 100644
--- a/src/utils/TestUtils.cpp
+++ b/src/utils/TestUtils.cpp
@@ -39,8 +39,8 @@
TextureDataCopyLayout layout;
- layout.mipSize = {textureSizeAtLevel0.width >> mipmapLevel,
- textureSizeAtLevel0.height >> mipmapLevel,
+ layout.mipSize = {std::max(textureSizeAtLevel0.width >> mipmapLevel, 1u),
+ std::max(textureSizeAtLevel0.height >> mipmapLevel, 1u),
textureSizeAtLevel0.depthOrArrayLayers};
layout.bytesPerRow = GetMinimumBytesPerRow(format, layout.mipSize.width);