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Adjust texture coordinates

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This commit is contained in:
Magnus Norddahl 2016-11-13 17:58:03 +01:00
parent acb2e821f0
commit c06798bca1
1 changed files with 8 additions and 2 deletions
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10
src/r_compiler/fixedfunction/drawtrianglecodegen.cpp
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@ -123,6 +123,12 @@ void DrawTriangleCodegen::Setup(TriDrawVariant variant, bool truecolor)
C3 = stack_C3.load();
// Gradients
v1.x = SSAFloat(X1) * 0.0625f;
v2.x = SSAFloat(X2) * 0.0625f;
v3.x = SSAFloat(X3) * 0.0625f;
v1.y = SSAFloat(Y1) * 0.0625f;
v2.y = SSAFloat(Y2) * 0.0625f;
v3.y = SSAFloat(Y3) * 0.0625f;
gradWX = gradx(v1.x, v1.y, v2.x, v2.y, v3.x, v3.y, v1.w, v2.w, v3.w);
gradWY = grady(v1.x, v1.y, v2.x, v2.y, v3.x, v3.y, v1.w, v2.w, v3.w);
startW = v1.w + gradWX * (SSAFloat(minx) - v1.x) + gradWY * (SSAFloat(miny) - v1.y);
@ -218,8 +224,8 @@ void DrawTriangleCodegen::LoopBlockX(TriDrawVariant variant, bool truecolor)
SSABool clipneeded = clipleft > x || clipright < (x + q) || cliptop > y || clipbottom < (y + q);
// Calculate varying variables for affine block
SSAFloat offx0 = SSAFloat(x - minx) + 0.5f;
SSAFloat offy0 = SSAFloat(y - miny) + 0.5f;
SSAFloat offx0 = SSAFloat(x - minx);
SSAFloat offy0 = SSAFloat(y - miny);
SSAFloat offx1 = offx0 + SSAFloat(q);
SSAFloat offy1 = offy0 + SSAFloat(q);
SSAFloat rcpWTL = 1.0f / (startW + offx0 * gradWX + offy0 * gradWY);