third_party/WebKit/Source/platform/graphics/gpu/DrawingBuffer.cpp - Issue 2535173002: Prevent implicit framebuffer clear from clobbering alpha in emulated RGB

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Unified Diff: third_party/WebKit/Source/platform/graphics/gpu/DrawingBuffer.cpp

Issue 2535173002: Prevent implicit framebuffer clear from clobbering alpha in emulated RGB (Closed)

Patch Set: address comments Created 4 years ago

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Index: third_party/WebKit/Source/platform/graphics/gpu/DrawingBuffer.cpp

diff --git a/third_party/WebKit/Source/platform/graphics/gpu/DrawingBuffer.cpp b/third_party/WebKit/Source/platform/graphics/gpu/DrawingBuffer.cpp

index a909bea5d88abdf02dd70dd231282cd19247ecc8..5ac50c4acb226cae15258341c1da6907b007fa0c 100644

--- a/third_party/WebKit/Source/platform/graphics/gpu/DrawingBuffer.cpp

+++ b/third_party/WebKit/Source/platform/graphics/gpu/DrawingBuffer.cpp

@@ -987,6 +987,7 @@ void DrawingBuffer::resolveMultisampleFramebufferInternal() {

.disable_multisampling_color_mask_usage) {

m_gl->ClearColor(0, 0, 0, 1);

m_gl->ColorMask(false, false, false, true);

+ m_gl->Clear(GL_COLOR_BUFFER_BIT);

}