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swiftshader
Commit 0c42ee1a by Nicolas Capens
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Implement support for RGBA render targets.

Change-Id: I0b903412c86442f3aca5dc454956c8d46b467083 Reviewed-on: https://swiftshader-review.googlesource.com/2752Reviewed-by: 's avatarNicolas Capens <capn@google.com> Tested-by: 's avatarNicolas Capens <capn@google.com>
parent b508eafe
Showing with 168 additions and 0 deletions
src/Shader/PixelRoutine.cpp
......@@ -2135,7 +2135,9 @@ namespace sw
break;
case FORMAT_A16B16G16R16:
case FORMAT_A8R8G8B8:
case FORMAT_A8B8G8R8:
case FORMAT_X8R8G8B8:
case FORMAT_X8B8G8R8:
case FORMAT_A8:
case FORMAT_G16R16:
oC[index].x = Max(oC[index].x, Float4(0.0f)); oC[index].x = Min(oC[index].x, Float4(1.0f));
......@@ -2165,7 +2167,9 @@ namespace sw
switch(state.targetFormat[0])
{
case FORMAT_X8R8G8B8:
case FORMAT_X8B8G8R8:
case FORMAT_A8R8G8B8:
case FORMAT_A8B8G8R8:
case FORMAT_A8:
case FORMAT_G16R16:
case FORMAT_A16B16G16R16:
......@@ -2242,7 +2246,9 @@ namespace sw
switch(state.targetFormat[index])
{
case FORMAT_X8R8G8B8:
case FORMAT_X8B8G8R8:
case FORMAT_A8R8G8B8:
case FORMAT_A8B8G8R8:
case FORMAT_A8:
case FORMAT_G16R16:
case FORMAT_A16B16G16R16:
......@@ -2450,6 +2456,25 @@ namespace sw
pixel.z = UnpackLow(As<Byte8>(pixel.z), As<Byte8>(pixel.z));
pixel.w = UnpackHigh(As<Byte8>(pixel.w), As<Byte8>(pixel.w));
break;
case FORMAT_A8B8G8R8:
buffer = cBuffer + 4 * x;
c01 = *Pointer<Short4>(buffer);
buffer += *Pointer<Int>(r.data + OFFSET(DrawData,colorPitchB[index]));
c23 = *Pointer<Short4>(buffer);
pixel.z = c01;
pixel.y = c01;
pixel.z = UnpackLow(As<Byte8>(pixel.z), As<Byte8>(c23));
pixel.y = UnpackHigh(As<Byte8>(pixel.y), As<Byte8>(c23));
pixel.x = pixel.z;
pixel.z = UnpackLow(As<Byte8>(pixel.z), As<Byte8>(pixel.y));
pixel.x = UnpackHigh(As<Byte8>(pixel.x), As<Byte8>(pixel.y));
pixel.y = pixel.z;
pixel.w = pixel.x;
pixel.x = UnpackLow(As<Byte8>(pixel.z), As<Byte8>(pixel.z));
pixel.y = UnpackHigh(As<Byte8>(pixel.y), As<Byte8>(pixel.y));
pixel.z = UnpackLow(As<Byte8>(pixel.w), As<Byte8>(pixel.w));
pixel.w = UnpackHigh(As<Byte8>(pixel.w), As<Byte8>(pixel.w));
break;
case FORMAT_A8:
buffer = cBuffer + 1 * x;
pixel.w = Insert(pixel.w, *Pointer<Short>(buffer), 0);
......@@ -2478,6 +2503,25 @@ namespace sw
pixel.z = UnpackLow(As<Byte8>(pixel.z), As<Byte8>(pixel.z));
pixel.w = Short4(0xFFFFu);
break;
case FORMAT_X8B8G8R8:
buffer = cBuffer + 4 * x;
c01 = *Pointer<Short4>(buffer);
buffer += *Pointer<Int>(r.data + OFFSET(DrawData,colorPitchB[index]));
c23 = *Pointer<Short4>(buffer);
pixel.z = c01;
pixel.y = c01;
pixel.z = UnpackLow(As<Byte8>(pixel.z), As<Byte8>(c23));
pixel.y = UnpackHigh(As<Byte8>(pixel.y), As<Byte8>(c23));
pixel.x = pixel.z;
pixel.z = UnpackLow(As<Byte8>(pixel.z), As<Byte8>(pixel.y));
pixel.x = UnpackHigh(As<Byte8>(pixel.x), As<Byte8>(pixel.y));
pixel.y = pixel.z;
pixel.w = pixel.x;
pixel.x = UnpackLow(As<Byte8>(pixel.z), As<Byte8>(pixel.z));
pixel.y = UnpackHigh(As<Byte8>(pixel.y), As<Byte8>(pixel.y));
pixel.z = UnpackLow(As<Byte8>(pixel.w), As<Byte8>(pixel.w));
pixel.w = Short4(0xFFFFu);
break;
case FORMAT_A8G8R8B8Q:
UNIMPLEMENTED();
// pixel.z = UnpackLow(As<Byte8>(pixel.z), *Pointer<Byte8>(cBuffer + 8 * x + 0));
......@@ -2652,7 +2696,9 @@ namespace sw
case FORMAT_X8G8R8B8Q:
case FORMAT_A8G8R8B8Q:
case FORMAT_X8R8G8B8:
case FORMAT_X8B8G8R8:
case FORMAT_A8R8G8B8:
case FORMAT_A8B8G8R8:
{
current.x = current.x - As<Short4>(As<UShort4>(current.x) >> 8) + Short4(0x0080, 0x0080, 0x0080, 0x0080);
current.y = current.y - As<Short4>(As<UShort4>(current.y) >> 8) + Short4(0x0080, 0x0080, 0x0080, 0x0080);
......@@ -2724,6 +2770,42 @@ namespace sw
current.y = As<Short4>(UnpackHigh(current.y, current.x));
}
break;
case FORMAT_X8B8G8R8:
case FORMAT_A8B8G8R8:
if(state.targetFormat[index] == FORMAT_X8B8G8R8 || rgbaWriteMask == 0x7)
{
current.x = As<Short4>(As<UShort4>(current.x) >> 8);
current.y = As<Short4>(As<UShort4>(current.y) >> 8);
current.z = As<Short4>(As<UShort4>(current.z) >> 8);
current.z = As<Short4>(Pack(As<UShort4>(current.x), As<UShort4>(current.z)));
current.y = As<Short4>(Pack(As<UShort4>(current.y), As<UShort4>(current.y)));
current.x = current.z;
current.z = UnpackLow(As<Byte8>(current.z), As<Byte8>(current.y));
current.x = UnpackHigh(As<Byte8>(current.x), As<Byte8>(current.y));
current.y = current.z;
current.z = As<Short4>(UnpackLow(current.z, current.x));
current.y = As<Short4>(UnpackHigh(current.y, current.x));
}
else
{
current.x = As<Short4>(As<UShort4>(current.x) >> 8);
current.y = As<Short4>(As<UShort4>(current.y) >> 8);
current.z = As<Short4>(As<UShort4>(current.z) >> 8);
current.w = As<Short4>(As<UShort4>(current.w) >> 8);
current.z = As<Short4>(Pack(As<UShort4>(current.x), As<UShort4>(current.z)));
current.y = As<Short4>(Pack(As<UShort4>(current.y), As<UShort4>(current.w)));
current.x = current.z;
current.z = UnpackLow(As<Byte8>(current.z), As<Byte8>(current.y));
current.x = UnpackHigh(As<Byte8>(current.x), As<Byte8>(current.y));
current.y = current.z;
current.z = As<Short4>(UnpackLow(current.z, current.x));
current.y = As<Short4>(UnpackHigh(current.y, current.x));
}
break;
case FORMAT_A8:
current.w = As<Short4>(As<UShort4>(current.w) >> 8);
current.w = As<Short4>(Pack(As<UShort4>(current.w), As<UShort4>(current.w)));
......@@ -2854,6 +2936,44 @@ namespace sw
c23 |= value;
*Pointer<Short4>(buffer) = c23;
break;
case FORMAT_A8B8G8R8:
case FORMAT_X8B8G8R8: // FIXME: Don't touch alpha?
buffer = cBuffer + x * 4;
value = *Pointer<Short4>(buffer);
if((state.targetFormat[index] == FORMAT_A8B8G8R8 && rgbaWriteMask != 0x0000000F) ||
((state.targetFormat[index] == FORMAT_X8B8G8R8 && rgbaWriteMask != 0x00000007) &&
(state.targetFormat[index] == FORMAT_X8B8G8R8 && rgbaWriteMask != 0x0000000F))) // FIXME: Need for masking when XBGR && Fh?
{
Short4 masked = value;
c01 &= *Pointer<Short4>(r.constants + OFFSET(Constants,maskB4Q[rgbaWriteMask][0]));
masked &= *Pointer<Short4>(r.constants + OFFSET(Constants,invMaskB4Q[rgbaWriteMask][0]));
c01 |= masked;
}
c01 &= *Pointer<Short4>(r.constants + OFFSET(Constants,maskD01Q) + xMask * 8);
value &= *Pointer<Short4>(r.constants + OFFSET(Constants,invMaskD01Q) + xMask * 8);
c01 |= value;
*Pointer<Short4>(buffer) = c01;
buffer += *Pointer<Int>(r.data + OFFSET(DrawData,colorPitchB[index]));
value = *Pointer<Short4>(buffer);
if((state.targetFormat[index] == FORMAT_A8B8G8R8 && rgbaWriteMask != 0x0000000F) ||
((state.targetFormat[index] == FORMAT_X8B8G8R8 && rgbaWriteMask != 0x00000007) &&
(state.targetFormat[index] == FORMAT_X8B8G8R8 && rgbaWriteMask != 0x0000000F))) // FIXME: Need for masking when XBGR && Fh?
{
Short4 masked = value;
c23 &= *Pointer<Short4>(r.constants + OFFSET(Constants,maskB4Q[rgbaWriteMask][0]));
masked &= *Pointer<Short4>(r.constants + OFFSET(Constants,invMaskB4Q[rgbaWriteMask][0]));
c23 |= masked;
}
c23 &= *Pointer<Short4>(r.constants + OFFSET(Constants,maskD23Q) + xMask * 8);
value &= *Pointer<Short4>(r.constants + OFFSET(Constants,invMaskD23Q) + xMask * 8);
c23 |= value;
*Pointer<Short4>(buffer) = c23;
break;
case FORMAT_A8:
if(rgbaWriteMask & 0x00000008)
{
......@@ -3144,6 +3264,30 @@ namespace sw
pixel.z = convertUnsigned16(As<UShort4>(color.z));
pixel.w = convertUnsigned16(As<UShort4>(color.w));
break;
case FORMAT_A8B8G8R8:
buffer = cBuffer + 4 * x;
c01 = *Pointer<Short4>(buffer);
buffer += *Pointer<Int>(r.data + OFFSET(DrawData,colorPitchB[index]));
c23 = *Pointer<Short4>(buffer);
color.z = c01;
color.y = c01;
color.z = UnpackLow(As<Byte8>(color.z), As<Byte8>(c23));
color.y = UnpackHigh(As<Byte8>(color.y), As<Byte8>(c23));
color.x = color.z;
color.z = UnpackLow(As<Byte8>(color.z), As<Byte8>(color.y));
color.x = UnpackHigh(As<Byte8>(color.x), As<Byte8>(color.y));
color.y = color.z;
color.w = color.x;
color.x = UnpackLow(As<Byte8>(color.x), As<Byte8>(color.x));
color.y = UnpackHigh(As<Byte8>(color.y), As<Byte8>(color.y));
color.z = UnpackLow(As<Byte8>(color.z), As<Byte8>(color.z));
color.w = UnpackHigh(As<Byte8>(color.w), As<Byte8>(color.w));
pixel.x = convertUnsigned16(As<UShort4>(color.z));
pixel.y = convertUnsigned16(As<UShort4>(color.y));
pixel.z = convertUnsigned16(As<UShort4>(color.x));
pixel.w = convertUnsigned16(As<UShort4>(color.w));
break;
case FORMAT_X8R8G8B8:
buffer = cBuffer + 4 * x;
c01 = *Pointer<Short4>(buffer);
......@@ -3166,6 +3310,28 @@ namespace sw
pixel.z = convertUnsigned16(As<UShort4>(color.z));
pixel.w = Float4(1.0f);
break;
case FORMAT_X8B8G8R8:
buffer = cBuffer + 4 * x;
c01 = *Pointer<Short4>(buffer);
buffer += *Pointer<Int>(r.data + OFFSET(DrawData,colorPitchB[index]));
c23 = *Pointer<Short4>(buffer);
color.z = c01;
color.y = c01;
color.z = UnpackLow(As<Byte8>(color.z), As<Byte8>(c23));
color.y = UnpackHigh(As<Byte8>(color.y), As<Byte8>(c23));
color.x = color.z;
color.z = UnpackLow(As<Byte8>(color.z), As<Byte8>(color.y));
color.x = UnpackHigh(As<Byte8>(color.x), As<Byte8>(color.y));
color.y = color.z;
color.x = UnpackLow(As<Byte8>(color.x), As<Byte8>(color.x));
color.y = UnpackHigh(As<Byte8>(color.y), As<Byte8>(color.y));
color.z = UnpackLow(As<Byte8>(color.z), As<Byte8>(color.z));
pixel.x = convertUnsigned16(As<UShort4>(color.z));
pixel.y = convertUnsigned16(As<UShort4>(color.y));
pixel.z = convertUnsigned16(As<UShort4>(color.x));
pixel.w = Float4(1.0f);
break;
case FORMAT_A8:
buffer = cBuffer + 1 * x;
c01 = Insert(c01, *Pointer<Short>(buffer), 0);
......@@ -3389,7 +3555,9 @@ namespace sw
switch(state.targetFormat[index])
{
case FORMAT_X8R8G8B8:
case FORMAT_X8B8G8R8:
case FORMAT_A8R8G8B8:
case FORMAT_A8B8G8R8:
case FORMAT_A8:
case FORMAT_G16R16:
case FORMAT_A16B16G16R16:
......
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