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vk_pipeline_cache: Fix unintentional memcpy into optional 

The intention behind this was to assign a float to from an uint32_t, but
it was unintentionally being copied directly into the std::optional.

Copy to a temporary and assign that temporary to std::optional. This can
be replaced with std::bit_cast<float> once we are in C++20.
merge-requests/60/head
ReinUsesLisp 2020-04-22 21:36:05 +07:00
parent 5ed13304e1
commit d9463f4562
1 changed files with 4 additions and 2 deletions
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6
src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
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@ -330,8 +330,10 @@ VKPipelineCache::DecompileShaders(const GraphicsPipelineCacheKey& key) {
Specialization specialization;
if (fixed_state.rasterizer.Topology() == Maxwell::PrimitiveTopology::Points) {
ASSERT(fixed_state.rasterizer.point_size != 0);
std::memcpy(&specialization.point_size, &fixed_state.rasterizer.point_size, sizeof(u32));
float point_size;
std::memcpy(&point_size, &fixed_state.rasterizer.point_size, sizeof(float));
specialization.point_size = point_size;
ASSERT(point_size != 0.0f);
}
for (std::size_t i = 0; i < Maxwell::NumVertexAttributes; ++i) {
specialization.attribute_types[i] = fixed_state.vertex_input.attributes[i].Type();