diff options
Diffstat (limited to 'src/video_core/rasterizer.cpp')
| -rw-r--r-- | src/video_core/rasterizer.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/video_core/rasterizer.cpp b/src/video_core/rasterizer.cpp index 3faa1015..046c010e 100644 --- a/src/video_core/rasterizer.cpp +++ b/src/video_core/rasterizer.cpp @@ -106,16 +106,17 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0, ScreenToRasterizerCoordinates(v1.screenpos), ScreenToRasterizerCoordinates(v2.screenpos) }; - if (registers.cull_mode == Regs::CullMode::KeepClockWise) { - // Reverse vertex order and use the CCW code path. + if (registers.cull_mode == Regs::CullMode::KeepCounterClockWise) { + // Reverse vertex order and use the CW code path. std::swap(vtxpos[1], vtxpos[2]); } if (registers.cull_mode != Regs::CullMode::KeepAll) { - // Cull away triangles which are wound clockwise. - // TODO: A check for degenerate triangles ("== 0") should be considered for CullMode::KeepAll + // Cull away triangles which are wound counter-clockwise. if (SignedArea(vtxpos[0].xy(), vtxpos[1].xy(), vtxpos[2].xy()) <= 0) return; + } else { + // TODO: Consider A check for degenerate triangles ("SignedArea == 0") } // TODO: Proper scissor rect test! @@ -475,7 +476,7 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0, // TODO: Does depth indeed only get written even if depth testing is enabled? if (registers.output_merger.depth_test_enable) { - u16 z = (u16)(-(v0.screenpos[2].ToFloat32() * w0 + + u16 z = (u16)((v0.screenpos[2].ToFloat32() * w0 + v1.screenpos[2].ToFloat32() * w1 + v2.screenpos[2].ToFloat32() * w2) * 65535.f / wsum); u16 ref_z = GetDepth(x >> 4, y >> 4); |