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[d3d11] Further optimize constant buffer binding

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Saves a few CPU cycles on the more common SetConstantBuffers method,
compared to SetConstantBuffers1.
This commit is contained in:
Philip Rebohle 2019-06-20 22:49:19 +02:00
parent 3141467c37
commit a41bd8c4a0
No known key found for this signature in database
GPG Key ID: C8CC613427A31C99
2 changed files with 33 additions and 14 deletions
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39
src/d3d11/d3d11_context.cpp
View File

@ -3286,14 +3286,24 @@ namespace dxvk {
void D3D11DeviceContext::BindConstantBuffer(
UINT Slot,
const D3D11ConstantBufferBinding* pBufferBinding) {
D3D11Buffer* pBuffer) {
EmitCs([
cSlotId = Slot,
cBufferSlice = pBufferBinding->constantBound
? pBufferBinding->buffer->GetBufferSlice(
pBufferBinding->constantOffset * 16,
pBufferBinding->constantBound * 16)
: DxvkBufferSlice()
cBufferSlice = pBuffer ? pBuffer->GetBufferSlice() : DxvkBufferSlice()
] (DxvkContext* ctx) {
ctx->bindResourceBuffer(cSlotId, cBufferSlice);
});
}
void D3D11DeviceContext::BindConstantBuffer1(
UINT Slot,
D3D11Buffer* pBuffer,
UINT Offset,
UINT Length) {
EmitCs([
cSlotId = Slot,
cBufferSlice = Length ? pBuffer->GetBufferSlice(16 * Offset, 16 * Length) : DxvkBufferSlice()
] (DxvkContext* ctx) {
ctx->bindResourceBuffer(cSlotId, cBufferSlice);
});
@ -3399,9 +3409,10 @@ namespace dxvk {
for (uint32_t i = 0; i < NumBuffers; i++) {
auto newBuffer = static_cast<D3D11Buffer*>(ppConstantBuffers[i]);
UINT constantBound = newBuffer
? newBuffer->Desc()->ByteWidth / 16
: 0;
UINT constantBound = 0;
if (likely(newBuffer != nullptr))
constantBound = newBuffer->Desc()->ByteWidth / 16;
if (Bindings[StartSlot + i].buffer != newBuffer
|| Bindings[StartSlot + i].constantBound != constantBound) {
@ -3410,7 +3421,7 @@ namespace dxvk {
Bindings[StartSlot + i].constantCount = constantBound;
Bindings[StartSlot + i].constantBound = constantBound;
BindConstantBuffer(slotId + i, &Bindings[StartSlot + i]);
BindConstantBuffer(slotId + i, newBuffer);
}
}
}
@ -3466,7 +3477,7 @@ namespace dxvk {
Bindings[StartSlot + i].constantCount = constantCount;
Bindings[StartSlot + i].constantBound = constantBound;
BindConstantBuffer(slotId + i, &Bindings[StartSlot + i]);
BindConstantBuffer1(slotId + i, newBuffer, constantOffset, constantBound);
}
}
}
@ -3643,8 +3654,10 @@ namespace dxvk {
D3D11ConstantBufferBindings& Bindings) {
uint32_t slotId = computeConstantBufferBinding(Stage, 0);
for (uint32_t i = 0; i < Bindings.size(); i++)
BindConstantBuffer(slotId + i, &Bindings[i]);
for (uint32_t i = 0; i < Bindings.size(); i++) {
BindConstantBuffer1(slotId + i, Bindings[i].buffer.ptr(),
Bindings[i].constantOffset, Bindings[i].constantBound);
}
}

8
src/d3d11/d3d11_context.h
View File

@ -708,7 +708,13 @@ namespace dxvk {
void BindConstantBuffer(
UINT Slot,
const D3D11ConstantBufferBinding* pBufferBinding);
D3D11Buffer* pBuffer);
void BindConstantBuffer1(
UINT Slot,
D3D11Buffer* pBuffer,
UINT Offset,
UINT Length);
void BindSampler(
UINT Slot,