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Vulkan: Set alpha channel of swap chain buffers to 1.0. 

Copying the alpha channel from the game causes issues with frame dumping,
since we're using a buffer directly from the GPU as a source for AVIDump.
This commit is contained in:
Stenzek 2016-10-05 22:02:04 +10:00
parent abb5a64919
commit c422fb7e82
2 changed files with 5 additions and 1 deletions
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2
Source/Core/VideoBackends/Vulkan/Renderer.cpp
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@ -1521,7 +1521,7 @@ bool Renderer::CompileShaders()
void main() void main()
{ {
ocol0 = texture(samp0, uv0); ocol0 = float4(texture(samp0, uv0).xyz, 1.0);
} }
)"; )";

4
Source/Core/VideoBackends/Vulkan/Renderer.h
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@ -118,6 +118,10 @@ private:
// Shaders used for clear/blit. // Shaders used for clear/blit.
VkShaderModule m_clear_fragment_shader = VK_NULL_HANDLE; VkShaderModule m_clear_fragment_shader = VK_NULL_HANDLE;
// NOTE: The blit shader here is used for the final copy from the source buffer(s) to the swap
// chain buffer for presentation. It ignores the alpha channel of the input image and sets the
// alpha channel to 1.0 to avoid issues with frame dumping and screenshots.
VkShaderModule m_blit_fragment_shader = VK_NULL_HANDLE; VkShaderModule m_blit_fragment_shader = VK_NULL_HANDLE;
// Texture used for screenshot/frame dumping // Texture used for screenshot/frame dumping