diff options
| author | Tony Wasserka <NeoBrainX@gmail.com> | 2013-12-30 20:17:56 +0100 |
|---|---|---|
| committer | Tony Wasserka <NeoBrainX@gmail.com> | 2013-12-30 20:18:53 +0100 |
| commit | bbde0754207c1a5dbb39f0b4fc32cbdd66d66400 (patch) | |
| tree | 2c32ef13e83bf5adf468cd1185a0552c4356a732 /Source/Core | |
| parent | a5bfdbf6cd32a66a0b45d9af11b6037137500fd5 (diff) | |
Software renderer: Add a zfreeze related TODO.
Diffstat (limited to 'Source/Core')
| -rw-r--r-- | Source/Core/VideoBackends/Software/Src/Rasterizer.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Source/Core/VideoBackends/Software/Src/Rasterizer.cpp b/Source/Core/VideoBackends/Software/Src/Rasterizer.cpp index fa10ac38af..377a437c64 100644 --- a/Source/Core/VideoBackends/Software/Src/Rasterizer.cpp +++ b/Source/Core/VideoBackends/Software/Src/Rasterizer.cpp @@ -385,6 +385,10 @@ void DrawTriangleFrontFace(OutputVertexData *v0, OutputVertexData *v1, OutputVer float w[3] = { 1.0f / v0->projectedPosition.w, 1.0f / v1->projectedPosition.w, 1.0f / v2->projectedPosition.w }; InitSlope(&WSlope, w[0], w[1], w[2], fltdx31, fltdx12, fltdy12, fltdy31); + // TODO: The zfreeze emulation is not quite correct, yet! + // Many things might prevent us from reaching this line (culling, clipping, scissoring). + // However, the zslope is always guaranteed to be calculated unless all vertices are trivially rejected during clipping! + // We're currently sloppy at this since we abort early if any of the culling/clipping/scissoring tests fail. if (!bpmem.genMode.zfreeze || !g_SWVideoConfig.bZFreeze) InitSlope(&ZSlope, v0->screenPosition[2], v1->screenPosition[2], v2->screenPosition[2], fltdx31, fltdx12, fltdy12, fltdy31); |