aboutsummaryrefslogtreecommitdiff
path: root/src/GPU3D_Soft.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/GPU3D_Soft.cpp')
-rw-r--r--src/GPU3D_Soft.cpp45
1 files changed, 31 insertions, 14 deletions
diff --git a/src/GPU3D_Soft.cpp b/src/GPU3D_Soft.cpp
index 6975eb4..1bd72a0 100644
--- a/src/GPU3D_Soft.cpp
+++ b/src/GPU3D_Soft.cpp
@@ -821,7 +821,7 @@ void SoftRenderer::RenderShadowMaskScanline(RendererPolygon* rp, s32 y)
if (!fnDepthTest(DepthBuffer[pixeladdr], z, dstattr))
StencilBuffer[256*(y&0x1) + x] = 1;
- if (dstattr & 0x3)
+ if (dstattr & 0xF)
{
pixeladdr += BufferSize;
if (!fnDepthTest(DepthBuffer[pixeladdr], z, AttrBuffer[pixeladdr]))
@@ -847,7 +847,7 @@ void SoftRenderer::RenderShadowMaskScanline(RendererPolygon* rp, s32 y)
if (!fnDepthTest(DepthBuffer[pixeladdr], z, dstattr))
StencilBuffer[256*(y&0x1) + x] = 1;
- if (dstattr & 0x3)
+ if (dstattr & 0xF)
{
pixeladdr += BufferSize;
if (!fnDepthTest(DepthBuffer[pixeladdr], z, AttrBuffer[pixeladdr]))
@@ -876,7 +876,7 @@ void SoftRenderer::RenderShadowMaskScanline(RendererPolygon* rp, s32 y)
if (!fnDepthTest(DepthBuffer[pixeladdr], z, dstattr))
StencilBuffer[256*(y&0x1) + x] = 1;
- if (dstattr & 0x3)
+ if (dstattr & 0xF)
{
pixeladdr += BufferSize;
if (!fnDepthTest(DepthBuffer[pixeladdr], z, AttrBuffer[pixeladdr]))
@@ -1053,7 +1053,7 @@ void SoftRenderer::RenderPolygonScanline(RendererPolygon* rp, s32 y)
if (!(stencil & 0x1))
pixeladdr += BufferSize;
if (!(stencil & 0x2))
- dstattr &= ~0x3; // quick way to prevent drawing the shadow under antialiased edges
+ dstattr &= ~0xF; // quick way to prevent drawing the shadow under antialiased edges
}
interpX.SetX(x);
@@ -1064,7 +1064,7 @@ void SoftRenderer::RenderPolygonScanline(RendererPolygon* rp, s32 y)
// against the pixel underneath
if (!fnDepthTest(DepthBuffer[pixeladdr], z, dstattr))
{
- if (!(dstattr & 0x3) || pixeladdr >= BufferSize) continue;
+ if (!(dstattr & 0xF) || pixeladdr >= BufferSize) continue;
pixeladdr += BufferSize;
dstattr = AttrBuffer[pixeladdr];
@@ -1122,7 +1122,7 @@ void SoftRenderer::RenderPolygonScanline(RendererPolygon* rp, s32 y)
PlotTranslucentPixel(pixeladdr, color, z, polyattr, polygon->IsShadow);
// blend with bottom pixel too, if needed
- if ((dstattr & 0x3) && (pixeladdr < BufferSize))
+ if ((dstattr & 0xF) && (pixeladdr < BufferSize))
PlotTranslucentPixel(pixeladdr+BufferSize, color, z, polyattr, polygon->IsShadow);
}
}
@@ -1149,7 +1149,7 @@ void SoftRenderer::RenderPolygonScanline(RendererPolygon* rp, s32 y)
if (!(stencil & 0x1))
pixeladdr += BufferSize;
if (!(stencil & 0x2))
- dstattr &= ~0x3; // quick way to prevent drawing the shadow under antialiased edges
+ dstattr &= ~0xF; // quick way to prevent drawing the shadow under antialiased edges
}
interpX.SetX(x);
@@ -1160,7 +1160,7 @@ void SoftRenderer::RenderPolygonScanline(RendererPolygon* rp, s32 y)
// against the pixel underneath
if (!fnDepthTest(DepthBuffer[pixeladdr], z, dstattr))
{
- if (!(dstattr & 0x3) || pixeladdr >= BufferSize) continue;
+ if (!(dstattr & 0xF) || pixeladdr >= BufferSize) continue;
pixeladdr += BufferSize;
dstattr = AttrBuffer[pixeladdr];
@@ -1184,6 +1184,23 @@ void SoftRenderer::RenderPolygonScanline(RendererPolygon* rp, s32 y)
if (alpha == 31)
{
u32 attr = polyattr | edge;
+
+ if ((RenderDispCnt & (1<<4)) && (attr & 0xF))
+ {
+ // anti-aliasing: all edges are rendered
+
+ // set coverage to avoid black lines from anti-aliasing
+ attr |= (0x1F << 8);
+
+ // push old pixel down if needed
+ if (pixeladdr < BufferSize)
+ {
+ ColorBuffer[pixeladdr+BufferSize] = ColorBuffer[pixeladdr];
+ DepthBuffer[pixeladdr+BufferSize] = DepthBuffer[pixeladdr];
+ AttrBuffer[pixeladdr+BufferSize] = AttrBuffer[pixeladdr];
+ }
+ }
+
DepthBuffer[pixeladdr] = z;
ColorBuffer[pixeladdr] = color;
AttrBuffer[pixeladdr] = attr;
@@ -1194,7 +1211,7 @@ void SoftRenderer::RenderPolygonScanline(RendererPolygon* rp, s32 y)
PlotTranslucentPixel(pixeladdr, color, z, polyattr, polygon->IsShadow);
// blend with bottom pixel too, if needed
- if ((dstattr & 0x3) && (pixeladdr < BufferSize))
+ if ((dstattr & 0xF) && (pixeladdr < BufferSize))
PlotTranslucentPixel(pixeladdr+BufferSize, color, z, polyattr, polygon->IsShadow);
}
}
@@ -1224,7 +1241,7 @@ void SoftRenderer::RenderPolygonScanline(RendererPolygon* rp, s32 y)
if (!(stencil & 0x1))
pixeladdr += BufferSize;
if (!(stencil & 0x2))
- dstattr &= ~0x3; // quick way to prevent drawing the shadow under antialiased edges
+ dstattr &= ~0xF; // quick way to prevent drawing the shadow under antialiased edges
}
interpX.SetX(x);
@@ -1235,7 +1252,7 @@ void SoftRenderer::RenderPolygonScanline(RendererPolygon* rp, s32 y)
// against the pixel underneath
if (!fnDepthTest(DepthBuffer[pixeladdr], z, dstattr))
{
- if (!(dstattr & 0x3) || pixeladdr >= BufferSize) continue;
+ if (!(dstattr & 0xF) || pixeladdr >= BufferSize) continue;
pixeladdr += BufferSize;
dstattr = AttrBuffer[pixeladdr];
@@ -1293,7 +1310,7 @@ void SoftRenderer::RenderPolygonScanline(RendererPolygon* rp, s32 y)
PlotTranslucentPixel(pixeladdr, color, z, polyattr, polygon->IsShadow);
// blend with bottom pixel too, if needed
- if ((dstattr & 0x3) && (pixeladdr < BufferSize))
+ if ((dstattr & 0xF) && (pixeladdr < BufferSize))
PlotTranslucentPixel(pixeladdr+BufferSize, color, z, polyattr, polygon->IsShadow);
}
}
@@ -1448,7 +1465,7 @@ void SoftRenderer::ScanlineFinalPass(s32 y)
// fog for lower pixel
// TODO: make this code nicer, but avoid using a loop
- if (!(attr & 0x3)) continue;
+ if (!(attr & 0xF)) continue;
pixeladdr += BufferSize;
attr = AttrBuffer[pixeladdr];
@@ -1487,7 +1504,7 @@ void SoftRenderer::ScanlineFinalPass(s32 y)
u32 pixeladdr = FirstPixelOffset + (y*ScanlineWidth) + x;
u32 attr = AttrBuffer[pixeladdr];
- if (!(attr & 0x3)) continue;
+ if (!(attr & 0xF)) continue;
u32 coverage = (attr >> 8) & 0x1F;
if (coverage == 0x1F) continue;