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This commit is contained in:
Henrik Rydgard 2013-09-21 21:05:15 +02:00
parent 34341b0373
commit 82a2f6443d
1 changed files with 2 additions and 1 deletions
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3
GPU/Software/Rasterizer.cpp
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@ -793,7 +793,6 @@ void DrawTriangle(const VertexData& v0, const VertexData& v1, const VertexData&
w2 += orient2dIncX(d01.y)*16) { w2 += orient2dIncX(d01.y)*16) {
DrawingCoords p = TransformUnit::ScreenToDrawing(pprime); DrawingCoords p = TransformUnit::ScreenToDrawing(pprime);
float wsum = 1.0f / (w0 + w1 + w2);
// If p is on or inside all edges, render pixel // If p is on or inside all edges, render pixel
// TODO: Should we render if the pixel is both on the left and the right side? (i.e. degenerated triangle) // TODO: Should we render if the pixel is both on the left and the right side? (i.e. degenerated triangle)
if (w0 + bias0 >=0 && w1 + bias1 >= 0 && w2 + bias2 >= 0) { if (w0 + bias0 >=0 && w1 + bias1 >= 0 && w2 + bias2 >= 0) {
@ -801,6 +800,8 @@ void DrawTriangle(const VertexData& v0, const VertexData& v1, const VertexData&
if (w0 == 0 && w1 == 0 && w2 == 0) if (w0 == 0 && w1 == 0 && w2 == 0)
continue; continue;
float wsum = 1.0f / (w0 + w1 + w2);
Vec3<int> prim_color_rgb(0, 0, 0); Vec3<int> prim_color_rgb(0, 0, 0);
int prim_color_a = 0; int prim_color_a = 0;
Vec3<int> sec_color(0, 0, 0); Vec3<int> sec_color(0, 0, 0);