diff options
Diffstat (limited to 'Source/Core/VideoCommon/VertexManagerBase.cpp')
| -rw-r--r-- | Source/Core/VideoCommon/VertexManagerBase.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Source/Core/VideoCommon/VertexManagerBase.cpp b/Source/Core/VideoCommon/VertexManagerBase.cpp index 80ea3b5bb9..bcdaf466a4 100644 --- a/Source/Core/VideoCommon/VertexManagerBase.cpp +++ b/Source/Core/VideoCommon/VertexManagerBase.cpp @@ -259,11 +259,12 @@ void VertexManager::CalculateZSlope(u32 stride) VertexShaderManager::TransformToClipSpace(&vtx[i * 3], &out[i * 4]); - // viewport offset ignored because we only look at coordinate differences. - out[0 + i * 4] = out[0 + i * 4] / out[3 + i * 4] * xfmem.viewport.wd; - out[1 + i * 4] = out[1 + i * 4] / out[3 + i * 4] * xfmem.viewport.ht; + // Transform to Screenspace + out[0 + i * 4] = out[0 + i * 4] / out[3 + i * 4] * xfmem.viewport.wd + (xfmem.viewport.xOrig - 342); + out[1 + i * 4] = out[1 + i * 4] / out[3 + i * 4] * xfmem.viewport.ht + (xfmem.viewport.yOrig - 342); out[2 + i * 4] = out[2 + i * 4] / out[3 + i * 4] * xfmem.viewport.zRange + xfmem.viewport.farZ; } + float dx31 = out[8] - out[0]; float dx12 = out[0] - out[4]; float dy12 = out[1] - out[5]; @@ -277,7 +278,7 @@ void VertexManager::CalculateZSlope(u32 stride) float slope_dfdx = -a / c; float slope_dfdy = -b / c; - float slope_f0 = out[2]; + float slope_f0 = out[2] - (out[0] * slope_dfdx + out[1] * slope_dfdy); PixelShaderManager::SetZSlope(slope_dfdx, slope_dfdy, slope_f0); } |