Bubble up potential errors during buffer.unmap().
Bug: dawn:1336
Change-Id: I715904874311349b4e996665dccc9d2d31959717
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/122022
Reviewed-by: Austin Eng <enga@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Loko Kung <lokokung@google.com>
diff --git a/src/dawn/native/BlitBufferToDepthStencil.cpp b/src/dawn/native/BlitBufferToDepthStencil.cpp
index cd50391..bb86769 100644
--- a/src/dawn/native/BlitBufferToDepthStencil.cpp
+++ b/src/dawn/native/BlitBufferToDepthStencil.cpp
@@ -268,7 +268,7 @@
static_cast<uint32_t*>(paramsBuffer->GetMappedRange(0, bufferDesc.size));
params[0] = dst.origin.x;
params[1] = dst.origin.y;
- paramsBuffer->Unmap();
+ DAWN_TRY(paramsBuffer->Unmap());
}
Ref<BindGroupBase> bindGroup;
@@ -357,7 +357,7 @@
uint32_t* params = static_cast<uint32_t*>(paramsBuffer->GetMappedRange(0, bufferDesc.size));
params[0] = dst.origin.x;
params[1] = dst.origin.y;
- paramsBuffer->Unmap();
+ DAWN_TRY(paramsBuffer->Unmap());
}
// For each layer, blit the stencil data.
diff --git a/src/dawn/native/Buffer.cpp b/src/dawn/native/Buffer.cpp
index 9f99a71..c7124e5 100644
--- a/src/dawn/native/Buffer.cpp
+++ b/src/dawn/native/Buffer.cpp
@@ -506,29 +506,36 @@
if (GetDevice()->ConsumedError(ValidateUnmap(), "calling %s.Unmap().", this)) {
return;
}
- Unmap();
-}
-
-void BufferBase::Unmap() {
- if (mState == BufferState::Destroyed) {
+ if (GetDevice()->ConsumedError(Unmap(), "calling %s.Unmap().", this)) {
return;
}
+}
+
+MaybeError BufferBase::Unmap() {
+ if (mState == BufferState::Destroyed) {
+ return {};
+ }
+
+ // Make sure writes are now visibile to the GPU if we used a staging buffer.
+ if (mState == BufferState::MappedAtCreation && mStagingBuffer != nullptr) {
+ DAWN_TRY(CopyFromStagingBuffer());
+ }
UnmapInternal(WGPUBufferMapAsyncStatus_UnmappedBeforeCallback).Call();
+ return {};
}
BufferBase::PendingMappingCallback BufferBase::UnmapInternal(
WGPUBufferMapAsyncStatus callbackStatus) {
PendingMappingCallback toCall;
+ // Unmaps resources on the backend and returns the callback.
if (mState == BufferState::PendingMap) {
toCall = WillCallMappingCallback(mLastMapID, callbackStatus);
UnmapImpl();
} else if (mState == BufferState::Mapped) {
UnmapImpl();
} else if (mState == BufferState::MappedAtCreation) {
- if (mStagingBuffer != nullptr) {
- GetDevice()->ConsumedError(CopyFromStagingBuffer());
- } else if (mSize != 0) {
+ if (!IsError() && mSize != 0 && IsCPUWritableAtCreation()) {
UnmapImpl();
}
}
diff --git a/src/dawn/native/Buffer.h b/src/dawn/native/Buffer.h
index 8e86055..343aa7f 100644
--- a/src/dawn/native/Buffer.h
+++ b/src/dawn/native/Buffer.h
@@ -77,7 +77,7 @@
virtual void* GetMappedPointer() = 0;
void* GetMappedRange(size_t offset, size_t size, bool writable = true);
- void Unmap();
+ MaybeError Unmap();
// Dawn API
void APIMapAsync(wgpu::MapMode mode,
diff --git a/src/dawn/native/opengl/TextureGL.cpp b/src/dawn/native/opengl/TextureGL.cpp
index 95f7f99..906e398 100644
--- a/src/dawn/native/opengl/TextureGL.cpp
+++ b/src/dawn/native/opengl/TextureGL.cpp
@@ -498,7 +498,7 @@
// Fill the buffer with clear color
memset(srcBuffer->GetMappedRange(0, bufferSize), clearColor, bufferSize);
- srcBuffer->Unmap();
+ DAWN_TRY(srcBuffer->Unmap());
gl.BindBuffer(GL_PIXEL_UNPACK_BUFFER, srcBuffer->GetHandle());
for (uint32_t level = range.baseMipLevel; level < range.baseMipLevel + range.levelCount;
diff --git a/src/dawn/native/utils/WGPUHelpers.cpp b/src/dawn/native/utils/WGPUHelpers.cpp
index ffa2980..deee395 100644
--- a/src/dawn/native/utils/WGPUHelpers.cpp
+++ b/src/dawn/native/utils/WGPUHelpers.cpp
@@ -53,7 +53,7 @@
Ref<BufferBase> buffer;
DAWN_TRY_ASSIGN(buffer, device->CreateBuffer(&descriptor));
memcpy(buffer->GetMappedRange(0, size), data, size);
- buffer->Unmap();
+ DAWN_TRY(buffer->Unmap());
return buffer;
}