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VulkanDevice: Handle rare case of unaligned SPIR-V

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Stenzek 2024-09-08 21:55:51 +10:00
parent 2c90680bc2
commit 1b4a6832dc
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1 changed files with 11 additions and 0 deletions
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11
src/util/vulkan_pipeline.cpp
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@ -5,8 +5,10 @@
#include "vulkan_builders.h" #include "vulkan_builders.h"
#include "vulkan_device.h" #include "vulkan_device.h"
#include "common/align.h"
#include "common/assert.h" #include "common/assert.h"
#include "common/error.h" #include "common/error.h"
#include "common/heap_array.h"
#include "common/log.h" #include "common/log.h"
Log_SetChannel(VulkanDevice); Log_SetChannel(VulkanDevice);
@ -30,6 +32,15 @@ std::unique_ptr<GPUShader> VulkanDevice::CreateShaderFromBinary(GPUShaderStage s
{ {
VkShaderModule mod; VkShaderModule mod;
// In the very rare event that the pointer isn't word-aligned...
DynamicHeapArray<u32> data_copy;
if (Common::IsAlignedPow2(reinterpret_cast<uintptr_t>(data.data()), 4)) [[unlikely]]
{
data_copy.resize((data.size() + (sizeof(u32) - 1)) / sizeof(u32));
std::memcpy(data_copy.data(), data.data(), data.size());
data = std::span<const u8>(reinterpret_cast<const u8*>(data_copy.data()), data.size());
}
const VkShaderModuleCreateInfo ci = {VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO, nullptr, 0, data.size(), const VkShaderModuleCreateInfo ci = {VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO, nullptr, 0, data.size(),
reinterpret_cast<const u32*>(data.data())}; reinterpret_cast<const u32*>(data.data())};
VkResult res = vkCreateShaderModule(m_device, &ci, nullptr, &mod); VkResult res = vkCreateShaderModule(m_device, &ci, nullptr, &mod);