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Vulkan: Fix incorrect logic in readback preemption

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This could have been causing a large number of command buffer
submissions per frame, depending on when the readbacks occured.
This commit is contained in:
Stenzek
2016-11-20 02:51:53 +10:00
parent 58978c1440
commit a475792163
2 changed files with 10 additions and 0 deletions
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3
Source/Core/VideoBackends/Vulkan/Constants.h
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@ -113,6 +113,9 @@ constexpr size_t TEXTURE_CONVERSION_TEXEL_BUFFER_SIZE = 8 * 1024 * 1024;
// Push constant buffer size for utility shaders
constexpr u32 PUSH_CONSTANT_BUFFER_SIZE = 128;
// Minimum number of draw calls per command buffer when attempting to preempt a readback operation.
constexpr u32 MINIMUM_DRAW_CALLS_PER_COMMAND_BUFFER_FOR_READBACK = 10;
// Rasterization state info
union RasterizationState {
BitField<0, 2, VkCullModeFlags> cull_mode;