diff options
| author | Jaklyy <102590697+Jaklyy@users.noreply.github.com> | 2023-08-12 23:38:26 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-08-13 05:38:26 +0200 |
| commit | f454eba3c3243b095f0e6b9ddde3e68b095c5d8d (patch) | |
| tree | 8f940032d8def2492a5f5e42fae1ec502c0cf0db /src/GPU3D_Soft.cpp | |
| parent | 5f9e7e19f39f89bed202ae528d4ed1a2d25794b1 (diff) | |
check lower pixel when top pixel ignores fog (#1808)
Diffstat (limited to 'src/GPU3D_Soft.cpp')
| -rw-r--r-- | src/GPU3D_Soft.cpp | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/src/GPU3D_Soft.cpp b/src/GPU3D_Soft.cpp index 0f8c602..6975eb4 100644 --- a/src/GPU3D_Soft.cpp +++ b/src/GPU3D_Soft.cpp @@ -1423,26 +1423,27 @@ void SoftRenderer::ScanlineFinalPass(s32 y) u32 density, srccolor, srcR, srcG, srcB, srcA; u32 attr = AttrBuffer[pixeladdr]; - if (!(attr & (1<<15))) continue; - - density = CalculateFogDensity(pixeladdr); + if (attr & (1<<15)) + { + density = CalculateFogDensity(pixeladdr); - srccolor = ColorBuffer[pixeladdr]; - srcR = srccolor & 0x3F; - srcG = (srccolor >> 8) & 0x3F; - srcB = (srccolor >> 16) & 0x3F; - srcA = (srccolor >> 24) & 0x1F; + srccolor = ColorBuffer[pixeladdr]; + srcR = srccolor & 0x3F; + srcG = (srccolor >> 8) & 0x3F; + srcB = (srccolor >> 16) & 0x3F; + srcA = (srccolor >> 24) & 0x1F; - if (fogcolor) - { - srcR = ((fogR * density) + (srcR * (128-density))) >> 7; - srcG = ((fogG * density) + (srcG * (128-density))) >> 7; - srcB = ((fogB * density) + (srcB * (128-density))) >> 7; - } + if (fogcolor) + { + srcR = ((fogR * density) + (srcR * (128-density))) >> 7; + srcG = ((fogG * density) + (srcG * (128-density))) >> 7; + srcB = ((fogB * density) + (srcB * (128-density))) >> 7; + } - srcA = ((fogA * density) + (srcA * (128-density))) >> 7; + srcA = ((fogA * density) + (srcA * (128-density))) >> 7; - ColorBuffer[pixeladdr] = srcR | (srcG << 8) | (srcB << 16) | (srcA << 24); + ColorBuffer[pixeladdr] = srcR | (srcG << 8) | (srcB << 16) | (srcA << 24); + } // fog for lower pixel // TODO: make this code nicer, but avoid using a loop |