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[dxvk] Add functionality to allocate secondary command buffer

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This commit is contained in:
Philip Rebohle 2025-02-05 16:50:58 +01:00
parent f615594f22
commit 7d35afdc37
2 changed files with 55 additions and 7 deletions
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45
src/dxvk/dxvk_cmdlist.cpp
View File

@ -125,7 +125,7 @@ namespace dxvk {
VkCommandBuffer DxvkCommandPool::getCommandBuffer(DxvkCmdBuffer type) {
auto vk = m_device->vkd();
if (m_next == m_commandBuffers.size()) {
if (m_nextPrimary == m_primaryBuffers.size()) {
// Allocate a new command buffer and add it to the list
VkCommandBufferAllocateInfo allocInfo = { VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO };
allocInfo.commandPool = m_commandPool;
@ -137,12 +137,12 @@ namespace dxvk {
if (vk->vkAllocateCommandBuffers(vk->device(), &allocInfo, &commandBuffer))
throw DxvkError("DxvkCommandPool: Failed to allocate command buffer");
m_commandBuffers.push_back(commandBuffer);
m_primaryBuffers.push_back(commandBuffer);
}
// Take existing command buffer. All command buffers
// will be in reset state, so we can begin it safely.
VkCommandBuffer commandBuffer = m_commandBuffers[m_next++];
VkCommandBuffer commandBuffer = m_primaryBuffers[m_nextPrimary++];
VkCommandBufferBeginInfo info = { VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO };
info.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
@ -172,14 +172,49 @@ namespace dxvk {
}
VkCommandBuffer DxvkCommandPool::getSecondaryCommandBuffer(
const VkCommandBufferInheritanceInfo& inheritanceInfo) {
auto vk = m_device->vkd();
if (m_nextSecondary == m_secondaryBuffers.size()) {
// Allocate a new command buffer and add it to the list
VkCommandBufferAllocateInfo allocInfo = { VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO };
allocInfo.commandPool = m_commandPool;
allocInfo.level = VK_COMMAND_BUFFER_LEVEL_SECONDARY;
allocInfo.commandBufferCount = 1;
VkCommandBuffer commandBuffer = VK_NULL_HANDLE;
if (vk->vkAllocateCommandBuffers(vk->device(), &allocInfo, &commandBuffer))
throw DxvkError("DxvkCommandPool: Failed to allocate secondary command buffer");
m_secondaryBuffers.push_back(commandBuffer);
}
// Assume that the secondary command buffer contains only rendering commands
VkCommandBuffer commandBuffer = m_secondaryBuffers[m_nextSecondary++];
VkCommandBufferBeginInfo info = { VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO };
info.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT
| VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT;
info.pInheritanceInfo = &inheritanceInfo;
if (vk->vkBeginCommandBuffer(commandBuffer, &info))
throw DxvkError("DxvkCommandPool: Failed to begin secondary command buffer");
return commandBuffer;
}
void DxvkCommandPool::reset() {
auto vk = m_device->vkd();
if (m_next) {
if (m_nextPrimary || m_nextSecondary) {
if (vk->vkResetCommandPool(vk->device(), m_commandPool, 0))
throw DxvkError("DxvkCommandPool: Failed to reset command pool");
m_next = 0;
m_nextPrimary = 0;
m_nextSecondary = 0;
}
}

17
src/dxvk/dxvk_cmdlist.h
View File

@ -180,6 +180,15 @@ namespace dxvk {
*/
VkCommandBuffer getCommandBuffer(DxvkCmdBuffer type);
/**
* \brief Retrieves or allocates secondary command buffer
*
* \param [in] inheritanceInfo Inheritance info
* \returns New command buffer in begun state
*/
VkCommandBuffer getSecondaryCommandBuffer(
const VkCommandBufferInheritanceInfo& inheritanceInfo);
/**
* \brief Resets command pool and all command buffers
*/
@ -190,8 +199,12 @@ namespace dxvk {
DxvkDevice* m_device;
VkCommandPool m_commandPool = VK_NULL_HANDLE;
std::vector<VkCommandBuffer> m_commandBuffers;
size_t m_next = 0;
std::vector<VkCommandBuffer> m_primaryBuffers;
std::vector<VkCommandBuffer> m_secondaryBuffers;
size_t m_nextPrimary = 0u;
size_t m_nextSecondary = 0u;
};