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[Feat] (MG_Backend/DirectVulkan): add draw cmd MultiDrawIndexedCmd

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This commit is contained in:
swung0x48
2026-03-18 16:08:00 +08:00
parent bc018c9513
commit e4455aed9a
3 changed files with 120 additions and 68 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
+44 -29
View File
@@ -399,7 +399,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
vkDestroyDevice(m_device, nullptr);
m_device = VK_NULL_HANDLE;
}
m_cmdDrawIndexedIndirectCount = nullptr;
s_vkCmdDrawIndexedIndirectCount = nullptr;
if (m_surface != VK_NULL_HANDLE) {
vkDestroySurfaceKHR(m_instance, m_surface, nullptr);
@@ -526,11 +526,9 @@ namespace MobileGL::MG_Backend::DirectVulkan {
Bool VulkanRenderer::UploadAndBindIndexBuffer(FrameContext::FrameData& frame,
const MG_State::GLState::VertexArrayObject& vao,
GLenum indexType,
SizeT indexByteOffset,
Uint32 indexCount) {
const IndexBufferView* pIndexBufferView) {
VkIndexType vkIndexType = VK_INDEX_TYPE_MAX_ENUM;
switch (indexType) {
switch (pIndexBufferView->indexType) {
case GL_UNSIGNED_SHORT:
vkIndexType = VK_INDEX_TYPE_UINT16;
break;
@@ -538,7 +536,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
vkIndexType = VK_INDEX_TYPE_UINT32;
break;
default:
MGLOG_D("DrawElements skipped: index type %u is not supported yet", indexType);
MGLOG_D("DrawElements skipped: index type %u is not supported yet", pIndexBufferView->indexType);
return false;
}
@@ -547,14 +545,14 @@ namespace MobileGL::MG_Backend::DirectVulkan {
const auto indexData = indexBuffer->GetDataReadOnly();
MOBILEGL_ASSERT(indexData != nullptr && !indexData->empty(), "DrawElements requires non-empty EBO data");
const SizeT indexSize = (indexType == GL_UNSIGNED_SHORT) ? sizeof(Uint16) : sizeof(Uint32);
const SizeT indexDataSizeBytes = static_cast<SizeT>(indexCount) * indexSize;
MOBILEGL_ASSERT(indexByteOffset + indexDataSizeBytes <= indexBuffer->GetSize(),
const SizeT indexSize = MG_Util::GetGLTypeSize(pIndexBufferView->indexType);
const SizeT indexDataSizeBytes = pIndexBufferView->indexByteSize;
MOBILEGL_ASSERT(pIndexBufferView->indexByteOffset + indexDataSizeBytes <= indexBuffer->GetSize(),
"DrawElements index range out of bounds");
const Uint32 frameIndex = m_frameContext.GetCurrentFrameIndex();
VkDeviceSize& frameIndexHead = m_frameIndexUploadHeads[frameIndex];
const VkDeviceSize alignment = static_cast<VkDeviceSize>(indexSize);
const VkDeviceSize alignment = indexSize;
const VkDeviceSize writeOffset = (frameIndexHead + alignment - 1) & ~(alignment - 1);
const VkDeviceSize writeEnd = writeOffset + static_cast<VkDeviceSize>(indexDataSizeBytes);
if (!EnsureFrameUploadBufferCapacity(frameIndex, true, writeEnd, 1 * 1024 * 1024,
@@ -564,7 +562,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
}
auto& frameIndexUploadBuffer = m_frameIndexUploadBuffers[frameIndex];
if (!frameIndexUploadBuffer.Upload(indexData->data() + indexByteOffset,
if (!frameIndexUploadBuffer.Upload(indexData->data() + pIndexBufferView->indexByteOffset,
static_cast<VkDeviceSize>(indexDataSizeBytes), writeOffset)) {
MGLOG_E("DrawElements skipped: failed to upload index data");
return false;
@@ -771,7 +769,7 @@ void main() {
}
void VulkanRenderer::SetupDraw(FrameContext::FrameData& frame, GLenum mode, Flags<DrawSetupAspect> aspects,
GLenum indexType, SizeT indexByteOffset, Uint32 indexCount) {
const IndexBufferView* pIndexBufferView) {
m_textureManager->CollectGarbage();
const auto& drawFbo =
MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Draw).GetBoundObject();
@@ -884,7 +882,7 @@ void main() {
MOBILEGL_ASSERT(vtxUploadOk, "SetupDraw skipped: failed to upload vertex streams");
if (aspects & DrawSetupAspect::IndexBuffer) {
auto idxUploadOk = UploadAndBindIndexBuffer(frame, vao, indexType, indexByteOffset, indexCount);
auto idxUploadOk = UploadAndBindIndexBuffer(frame, vao, pIndexBufferView);
MOBILEGL_ASSERT(idxUploadOk, "SetupDraw skipped: failed to upload index buffer");
}
@@ -1259,32 +1257,48 @@ void main() {
VkCommandBuffer& commandBuffer = frame.commandBuffer;
vkCmdDraw(commandBuffer,
payload.vertexCount,
payload.instanceCount,
payload.firstVertex,
payload.firstInstance);
payload.params.vertexCount,
payload.params.instanceCount,
payload.params.firstVertex,
payload.params.firstInstance);
}
void VulkanRenderer::DrawElements(const DrawIndexedCmd& payload) {
auto& frame = m_frameContext.GetCurrent();
SetupDraw(frame, payload.mode, DrawSetupAspect::IndexBuffer,
payload.indexBufferView.indexType, payload.indexBufferView.indexByteOffset, payload.indexCount);
&payload.indexBufferView);
MOBILEGL_ASSERT(frame.isCommandRecording, "%s: frame recording was not started", __func__);
VkCommandBuffer& commandBuffer = frame.commandBuffer;
vkCmdDrawIndexed(commandBuffer,
payload.indexCount,
payload.instanceCount,
payload.firstIndex,
payload.vertexOffset,
payload.firstInstance);
payload.params.indexCount,
payload.params.instanceCount,
payload.params.firstIndex,
payload.params.vertexOffset,
payload.params.firstInstance);
}
void VulkanRenderer::MultiDrawElements(const Vector<DrawIndexedCmd>& payloads) {
void VulkanRenderer::MultiDrawElements(const MultiDrawIndexedCmd& payload) {
auto& frame = m_frameContext.GetCurrent();
SetupDraw(frame, payload.mode, DrawSetupAspect::IndexBuffer,
&payload.indexBufferView);
MOBILEGL_ASSERT(frame.isCommandRecording, "%s: frame recording was not started", __func__);
VkCommandBuffer& commandBuffer = frame.commandBuffer;
for (Uint32 idraw = 0; idraw < payload.drawCount; ++idraw) {
vkCmdDrawIndexed(commandBuffer,
payload.pParams[idraw].indexCount,
payload.pParams[idraw].instanceCount,
payload.pParams[idraw].firstIndex,
payload.pParams[idraw].vertexOffset,
payload.pParams[idraw].firstInstance);
}
}
void VulkanRenderer::Present() {
@@ -1639,14 +1653,15 @@ void main() {
deviceCreateInfo.ppEnabledExtensionNames = enabledDeviceExtensions.data();
VK_VERIFY(vkCreateDevice(m_physicalDevice.handle, &deviceCreateInfo, nullptr, &m_device), "vkCreateDevice");
m_cmdDrawIndexedIndirectCount = reinterpret_cast<PFNDrawIndexedIndirectCountFunc>(
s_vkCmdDrawIndexedIndirectCount = reinterpret_cast<PFNDrawIndexedIndirectCountFunc>(
vkGetDeviceProcAddr(m_device, "vkCmdDrawIndexedIndirectCountKHR"));
if (m_cmdDrawIndexedIndirectCount == nullptr) {
m_cmdDrawIndexedIndirectCount = reinterpret_cast<PFNDrawIndexedIndirectCountFunc>(
if (s_vkCmdDrawIndexedIndirectCount == nullptr) {
s_vkCmdDrawIndexedIndirectCount = reinterpret_cast<PFNDrawIndexedIndirectCountFunc>(
vkGetDeviceProcAddr(m_device, "vkCmdDrawIndexedIndirectCount"));
}
if (m_drawIndirectCountExtensionEnabled && m_cmdDrawIndexedIndirectCount == nullptr) {
MGLOG_W("VK_KHR_draw_indirect_count enabled but vkCmdDrawIndexedIndirectCount entry point is missing");
if (m_drawIndirectCountExtensionEnabled && s_vkCmdDrawIndexedIndirectCount == nullptr) {
MGLOG_W("VK_KHR_draw_indirect_count enabled but vkCmdDrawIndexedIndirectCount entry point is missing, will continue as if VK_KHR_draw_indirect_count is not supported!");
m_drawIndirectCountExtensionEnabled = false;
}
MGLOG_I("Logical device created.");