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[dxvk] Add method to swizzle clear color values

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This commit is contained in:
Philip Rebohle 2019-05-14 21:21:14 +02:00
parent 3efec8960c
commit 0b61901424
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2 changed files with 19 additions and 0 deletions
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15
src/dxvk/dxvk_util.cpp
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@ -150,6 +150,21 @@ namespace dxvk::util {
}
VkClearColorValue swizzleClearColor(
VkClearColorValue color,
VkComponentMapping mapping) {
VkClearColorValue result;
auto swizzles = &mapping.r;
for (uint32_t i = 0; i < 4; i++) {
uint32_t index = getComponentIndex(swizzles[i], i);
result.uint32[i] = color.uint32[index];
}
return result;
}
bool isBlendConstantBlendFactor(VkBlendFactor factor) {
return factor == VK_BLEND_FACTOR_CONSTANT_COLOR
|| factor == VK_BLEND_FACTOR_CONSTANT_ALPHA

4
src/dxvk/dxvk_util.h
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@ -223,6 +223,10 @@ namespace dxvk::util {
VkComponentSwizzle component,
uint32_t identity);
VkClearColorValue swizzleClearColor(
VkClearColorValue color,
VkComponentMapping mapping);
bool isBlendConstantBlendFactor(
VkBlendFactor factor);