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[dxvk] Skip draws if no index buffer is bound

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It doesn't make much sense to bind the null buffer here, as we'd
just draw the same vertex over and over again.
This commit is contained in:
Philip Rebohle 2020-04-27 09:12:41 +02:00 committed by Philip Rebohle
parent ca59d8e74b
commit 2a25e3f899
2 changed files with 20 additions and 20 deletions
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38
src/dxvk/dxvk_context.cpp
View File

@ -4117,24 +4117,22 @@ namespace dxvk {
}
void DxvkContext::updateIndexBufferBinding() {
m_flags.clr(DxvkContextFlag::GpDirtyIndexBuffer);
if (m_state.vi.indexBuffer.defined()) {
auto bufferInfo = m_state.vi.indexBuffer.getDescriptor();
m_cmd->cmdBindIndexBuffer(
bufferInfo.buffer.buffer,
bufferInfo.buffer.offset,
m_state.vi.indexType);
bool DxvkContext::updateIndexBufferBinding() {
if (unlikely(!m_state.vi.indexBuffer.defined()))
return false;
if (m_vbTracked.set(MaxNumVertexBindings))
m_cmd->trackResource<DxvkAccess::Read>(m_state.vi.indexBuffer.buffer());
} else {
m_cmd->cmdBindIndexBuffer(
m_common->dummyResources().bufferHandle(),
0, VK_INDEX_TYPE_UINT32);
}
m_flags.clr(DxvkContextFlag::GpDirtyIndexBuffer);
auto bufferInfo = m_state.vi.indexBuffer.getDescriptor();
m_cmd->cmdBindIndexBuffer(
bufferInfo.buffer.buffer,
bufferInfo.buffer.offset,
m_state.vi.indexType);
if (m_vbTracked.set(MaxNumVertexBindings))
m_cmd->trackResource<DxvkAccess::Read>(m_state.vi.indexBuffer.buffer());
return true;
}
@ -4346,8 +4344,10 @@ namespace dxvk {
if (!m_flags.test(DxvkContextFlag::GpRenderPassBound))
this->startRenderPass();
if (m_flags.test(DxvkContextFlag::GpDirtyIndexBuffer) && Indexed)
this->updateIndexBufferBinding();
if (m_flags.test(DxvkContextFlag::GpDirtyIndexBuffer) && Indexed) {
if (unlikely(!this->updateIndexBufferBinding()))
return false;
}
if (m_flags.test(DxvkContextFlag::GpDirtyVertexBuffers))
this->updateVertexBufferBindings();

2
src/dxvk/dxvk_context.h
View File

@ -1162,7 +1162,7 @@ namespace dxvk {
void updateFramebuffer();
void updateIndexBufferBinding();
bool updateIndexBufferBinding();
void updateVertexBufferBindings();
void updateTransformFeedbackBuffers();