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macOS: Workaround for MoltenVK stride limitation (#534)

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goeiecool9999 2022-11-30 01:26:42 +01:00 • committed by GitHub
parent 79e731d9b4
commit a3476c7b7c
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6 changed files with 57 additions and 3 deletions
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30
src/Cafe/HW/Latte/Renderer/Vulkan/VulkanRenderer.cpp
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@ -3458,6 +3458,36 @@ void VulkanRenderer::buffer_bindVertexBuffer(uint32 bufferIndex, uint32 offset,
vkCmdBindVertexBuffers(m_state.currentCommandBuffer, bufferIndex, 1, &attrBuffer, &attrOffset);
}
void VulkanRenderer::buffer_bindVertexStrideWorkaroundBuffer(VkBuffer fixedBuffer, uint32 offset, uint32 bufferIndex, uint32 size)
{
cemu_assert_debug(bufferIndex < LATTE_MAX_VERTEX_BUFFERS);
m_state.currentVertexBinding[bufferIndex].offset = 0xFFFFFFFF;
VkBuffer attrBuffer = fixedBuffer;
VkDeviceSize attrOffset = offset;
vkCmdBindVertexBuffers(m_state.currentCommandBuffer, bufferIndex, 1, &attrBuffer, &attrOffset);
}
std::pair<VkBuffer, uint32> VulkanRenderer::buffer_genStrideWorkaroundVertexBuffer(MPTR buffer, uint32 size, uint32 oldStride)
{
cemu_assert_debug(oldStride % 4 != 0);
std::span<uint8> old_buffer{memory_getPointerFromPhysicalOffset(buffer), size};
//new stride is the nearest multiple of 4
uint32 newStride = oldStride + (4-(oldStride % 4));
uint32 newSize = size / oldStride * newStride;
auto new_buffer_alloc = memoryManager->getMetalStrideWorkaroundAllocator().AllocateBufferMemory(newSize, 128);
std::span<uint8> new_buffer{new_buffer_alloc.memPtr, new_buffer_alloc.size};
for(size_t elem = 0; elem < size / oldStride; elem++)
{
memcpy(&new_buffer[elem * newStride], &old_buffer[elem * oldStride], oldStride);
}
return {new_buffer_alloc.vkBuffer, new_buffer_alloc.bufferOffset};
}
void VulkanRenderer::buffer_bindUniformBuffer(LatteConst::ShaderType shaderType, uint32 bufferIndex, uint32 offset, uint32 size)
{
cemu_assert_debug(!m_useHostMemoryForCache);