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swiftshader
Commit 0d0ed6fd by Alexis Hetu Committed by Alexis Hétu
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Remove unused depth buffer quad layout logic

No depth buffer format uses quad layout currently and stencil quad layout will soon be removed, so the depth buffer quad layout logic can be removed. Bug: b/144353295 Change-Id: I78ab5dbf292af2752ed1c6aea069a8079c21663f Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/38472 Presubmit-Ready: Alexis Hétu <sugoi@google.com> Kokoro-Presubmit: kokoro <noreply+kokoro@google.com> Tested-by: 's avatarAlexis Hétu <sugoi@google.com> Reviewed-by: 's avatarChris Forbes <chrisforbes@google.com> Reviewed-by: 's avatarAntonio Maiorano <amaiorano@google.com>
parent 5d1e8540
Showing with 28 additions and 112 deletions
src/Device/PixelProcessor.cpp
......@@ -177,7 +177,6 @@ namespace sw
{
state.depthTestActive = true;
state.depthCompareMode = context->depthCompareMode;
state.quadLayoutDepthBuffer = context->depthBuffer->getFormat().hasQuadLayout();
state.depthFormat = context->depthBuffer->getFormat();
}
......
src/Device/PixelProcessor.hpp
......@@ -65,7 +65,6 @@ namespace sw
VkCompareOp depthCompareMode;
bool depthWriteEnable;
bool quadLayoutDepthBuffer;
bool stencilActive;
StencilOpState frontStencil;
......
src/Pipeline/PixelRoutine.cpp
......@@ -335,18 +335,8 @@ namespace sw
Z = oDepth;
}
Pointer<Byte> buffer;
Int pitch;
if(!state.quadLayoutDepthBuffer)
{
buffer = zBuffer + 4 * x;
pitch = *Pointer<Int>(data + OFFSET(DrawData,depthPitchB));
}
else
{
buffer = zBuffer + 8 * x;
}
Pointer<Byte> buffer = zBuffer + 4 * x;
Int pitch = *Pointer<Int>(data + OFFSET(DrawData,depthPitchB));
if(q > 0)
{
......@@ -357,16 +347,9 @@ namespace sw
if(state.depthCompareMode != VK_COMPARE_OP_NEVER || (state.depthCompareMode != VK_COMPARE_OP_ALWAYS && !state.depthWriteEnable))
{
if(!state.quadLayoutDepthBuffer)
{
// FIXME: Properly optimizes?
zValue.xy = *Pointer<Float4>(buffer);
zValue.zw = *Pointer<Float4>(buffer + pitch - 8);
}
else
{
zValue = *Pointer<Float4>(buffer, 16);
}
// FIXME: Properly optimizes?
zValue.xy = *Pointer<Float4>(buffer);
zValue.zw = *Pointer<Float4>(buffer + pitch - 8);
}
Int4 zTest;
......@@ -431,18 +414,8 @@ namespace sw
Z = convertFixed16(oDepth, true);
}
Pointer<Byte> buffer;
Int pitch;
if(!state.quadLayoutDepthBuffer)
{
buffer = zBuffer + 2 * x;
pitch = *Pointer<Int>(data + OFFSET(DrawData,depthPitchB));
}
else
{
buffer = zBuffer + 4 * x;
}
Pointer<Byte> buffer = zBuffer + 2 * x;
Int pitch = *Pointer<Int>(data + OFFSET(DrawData, depthPitchB));
if(q > 0)
{
......@@ -453,16 +426,9 @@ namespace sw
if(state.depthCompareMode != VK_COMPARE_OP_NEVER || (state.depthCompareMode != VK_COMPARE_OP_ALWAYS && !state.depthWriteEnable))
{
if(!state.quadLayoutDepthBuffer)
{
// FIXME: Properly optimizes?
zValue = *Pointer<Short4>(buffer) & Short4(-1, -1, 0, 0);
zValue = zValue | (*Pointer<Short4>(buffer + pitch - 4) & Short4(0, 0, -1, -1));
}
else
{
zValue = *Pointer<Short4>(buffer, 8);
}
// FIXME: Properly optimizes?
zValue = *Pointer<Short4>(buffer) & Short4(-1, -1, 0, 0);
zValue = zValue | (*Pointer<Short4>(buffer + pitch - 4) & Short4(0, 0, -1, -1));
}
Int4 zTest;
......@@ -562,18 +528,8 @@ namespace sw
Z = oDepth;
}
Pointer<Byte> buffer;
Int pitch;
if(!state.quadLayoutDepthBuffer)
{
buffer = zBuffer + 4 * x;
pitch = *Pointer<Int>(data + OFFSET(DrawData,depthPitchB));
}
else
{
buffer = zBuffer + 8 * x;
}
Pointer<Byte> buffer = zBuffer + 4 * x;
Int pitch = *Pointer<Int>(data + OFFSET(DrawData,depthPitchB));
if(q > 0)
{
......@@ -584,32 +540,18 @@ namespace sw
if(state.depthCompareMode != VK_COMPARE_OP_NEVER || (state.depthCompareMode != VK_COMPARE_OP_ALWAYS && !state.depthWriteEnable))
{
if(!state.quadLayoutDepthBuffer)
{
// FIXME: Properly optimizes?
zValue.xy = *Pointer<Float4>(buffer);
zValue.zw = *Pointer<Float4>(buffer + pitch - 8);
}
else
{
zValue = *Pointer<Float4>(buffer, 16);
}
// FIXME: Properly optimizes?
zValue.xy = *Pointer<Float4>(buffer);
zValue.zw = *Pointer<Float4>(buffer + pitch - 8);
}
Z = As<Float4>(As<Int4>(Z) & *Pointer<Int4>(constants + OFFSET(Constants,maskD4X) + zMask * 16, 16));
zValue = As<Float4>(As<Int4>(zValue) & *Pointer<Int4>(constants + OFFSET(Constants,invMaskD4X) + zMask * 16, 16));
Z = As<Float4>(As<Int4>(Z) | As<Int4>(zValue));
if(!state.quadLayoutDepthBuffer)
{
// FIXME: Properly optimizes?
*Pointer<Float2>(buffer) = Float2(Z.xy);
*Pointer<Float2>(buffer + pitch) = Float2(Z.zw);
}
else
{
*Pointer<Float4>(buffer, 16) = Z;
}
// FIXME: Properly optimizes?
*Pointer<Float2>(buffer) = Float2(Z.xy);
*Pointer<Float2>(buffer + pitch) = Float2(Z.zw);
}
void PixelRoutine::writeDepth16(Pointer<Byte> &zBuffer, int q, const Int &x, const Float4 &z, const Int &zMask)
......@@ -621,18 +563,8 @@ namespace sw
Z = As<Short4>(convertFixed16(oDepth, true));
}
Pointer<Byte> buffer;
Int pitch;
if(!state.quadLayoutDepthBuffer)
{
buffer = zBuffer + 2 * x;
pitch = *Pointer<Int>(data + OFFSET(DrawData,depthPitchB));
}
else
{
buffer = zBuffer + 4 * x;
}
Pointer<Byte> buffer = zBuffer + 2 * x;
Int pitch = *Pointer<Int>(data + OFFSET(DrawData,depthPitchB));
if(q > 0)
{
......@@ -643,34 +575,20 @@ namespace sw
if(state.depthCompareMode != VK_COMPARE_OP_NEVER || (state.depthCompareMode != VK_COMPARE_OP_ALWAYS && !state.depthWriteEnable))
{
if(!state.quadLayoutDepthBuffer)
{
// FIXME: Properly optimizes?
zValue = *Pointer<Short4>(buffer) & Short4(-1, -1, 0, 0);
zValue = zValue | (*Pointer<Short4>(buffer + pitch - 4) & Short4(0, 0, -1, -1));
}
else
{
zValue = *Pointer<Short4>(buffer, 8);
}
// FIXME: Properly optimizes?
zValue = *Pointer<Short4>(buffer) & Short4(-1, -1, 0, 0);
zValue = zValue | (*Pointer<Short4>(buffer + pitch - 4) & Short4(0, 0, -1, -1));
}
Z = Z & *Pointer<Short4>(constants + OFFSET(Constants,maskW4Q) + zMask * 8, 8);
zValue = zValue & *Pointer<Short4>(constants + OFFSET(Constants,invMaskW4Q) + zMask * 8, 8);
Z = Z | zValue;
if(!state.quadLayoutDepthBuffer)
{
// FIXME: Properly optimizes?
*Pointer<Short>(buffer) = Extract(Z, 0);
*Pointer<Short>(buffer+2) = Extract(Z, 1);
*Pointer<Short>(buffer+pitch) = Extract(Z, 2);
*Pointer<Short>(buffer+pitch+2) = Extract(Z, 3);
}
else
{
*Pointer<Short4>(buffer, 8) = Z;
}
// FIXME: Properly optimizes?
*Pointer<Short>(buffer) = Extract(Z, 0);
*Pointer<Short>(buffer+2) = Extract(Z, 1);
*Pointer<Short>(buffer+pitch) = Extract(Z, 2);
*Pointer<Short>(buffer+pitch+2) = Extract(Z, 3);
}
void PixelRoutine::writeDepth(Pointer<Byte> &zBuffer, int q, const Int &x, const Float4 &z, const Int &zMask)
......
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