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Small hack to prevent AMD GCN hangs

This commit is contained in:
Jack Andersen 2018-05-31 20:36:57 -10:00
parent fb91482282
commit fdddeebf52
1 changed files with 17 additions and 3 deletions
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20
lib/graphicsdev/Vulkan.cpp
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@ -11,6 +11,8 @@
#include "Common.hpp"
#include "xxhash.h"
#define AMD_PAL_HACK 1
#define VMA_IMPLEMENTATION
#define VMA_STATIC_VULKAN_FUNCTIONS 0
#include "vk_mem_alloc.h"
@ -232,8 +234,8 @@ static void SetImageLayout(VkCommandBuffer cmd, VkImage image,
imageMemoryBarrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
imageMemoryBarrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
VkPipelineStageFlags src_stages = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkPipelineStageFlags dest_stages = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkPipelineStageFlags src_stages = VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT;
VkPipelineStageFlags dest_stages = VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT;
switch (old_image_layout)
{
@ -421,6 +423,7 @@ bool VulkanContext::initVulkan(std::string_view appName, PFN_vkGetInstanceProcAd
#ifndef NDEBUG
m_layerNames.push_back("VK_LAYER_LUNARG_standard_validation");
//m_layerNames.push_back("VK_LAYER_LUNARG_api_dump");
//m_layerNames.push_back("VK_LAYER_LUNARG_core_validation");
//m_layerNames.push_back("VK_LAYER_LUNARG_object_tracker");
//m_layerNames.push_back("VK_LAYER_LUNARG_parameter_validation");
@ -2269,6 +2272,9 @@ public:
viewportInfo.pScissors = nullptr;
dynamicStateEnables[dynamicState.dynamicStateCount++] = VK_DYNAMIC_STATE_VIEWPORT;
dynamicStateEnables[dynamicState.dynamicStateCount++] = VK_DYNAMIC_STATE_SCISSOR;
#if AMD_PAL_HACK
dynamicStateEnables[dynamicState.dynamicStateCount++] = VK_DYNAMIC_STATE_BLEND_CONSTANTS;
#endif
VkPipelineRasterizationStateCreateInfo rasterizationInfo = {};
rasterizationInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
@ -2679,6 +2685,14 @@ struct VulkanShaderDataBinding : GraphicsDataNode<IShaderDataBinding>
if (m_ibuf)
vk::CmdBindIndexBuffer(cmdBuf, m_iboBufs[b], m_iboOffs[b], VK_INDEX_TYPE_UINT32);
#if AMD_PAL_HACK
/* AMD GCN architecture is prone to hanging after binding a new pipeline without also refreshing the
* device context registers (i.e. viewport, scissor, line width, blend constants). Blend Constants
* are the simplest register to set within the PAL codebase. */
float dummy[4] = {};
vk::CmdSetBlendConstants(cmdBuf, dummy);
#endif
}
};
@ -4008,7 +4022,7 @@ void VulkanCommandQueue::execute()
m_fillBuf ^= 1;
/* Queue the command buffer for execution */
VkPipelineStageFlags pipeStageFlags = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
VkPipelineStageFlags pipeStageFlags = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
VkSubmitInfo submitInfo = {};
submitInfo.pNext = nullptr;
submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;