Vulkan:Fix wrong outputCount of emulated RGB copies.

The output count of shaderParams equals componentCount divided by Ed. To avoid losing the last data,replace division with UnsignedCeilDivide function. Bug: angleproject:5598 Change-Id: I079d72f4eefa3d6b0f5d80ada25829fea673410c Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2666869 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>

Vulkan:Fix wrong outputCount of emulated RGB copies.
4a09df13 · Amy Liu · Commit Bot · 74761212 · 4a09df13
Commit 4a09df13 authored Feb 02, 2021 by Amy Liu Committed by Commit Bot Feb 02, 2021
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UtilsVk.cpp src/libANGLE/renderer/vulkan/UtilsVk.cpp +1 -1

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--- a/src/libANGLE/renderer/vulkan/UtilsVk.cpp
+++ b/src/libANGLE/renderer/vulkan/UtilsVk.cpp
@@ -2434,7 +2434,7 @@ angle::Result UtilsVk::copyImageBits(ContextVk *contextVk,
    shaderParams.componentCount = totalPixelCount * shaderParams.Nd;
    // Total number of 4-byte outputs is the number of components divided by how many components can
    // fit in a 4-byte value.  Note that this value is also the invocation size of the shader.
-    shaderParams.outputCount  = shaderParams.componentCount / shaderParams.Ed;
+    shaderParams.outputCount  = UnsignedCeilDivide(shaderParams.componentCount, shaderParams.Ed);
    shaderParams.srcOffset    = 0;
    shaderParams.destOffset   = 0;
    shaderParams.isSrcHDR     = 0;