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Minor code cleanup in Rasterize.

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This commit is contained in:
Sergey Lipskiy 2021-11-20 17:15:26 +07:00
parent ad091be1cf
commit b0ec6c47b4
1 changed files with 4 additions and 8 deletions
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12
src/DepthBufferRender/DepthBufferRender.cpp
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@ -205,7 +205,6 @@ void Rasterize(vertexi * vtx, int vertices, int dzdx)
int y1 = iceil(min_y);
if (y1 >= (int)gDP.scissor.lry)
return;
int shift;
const u16 * const zLUT = depthBufferList().getZLUT();
const s32 depthBufferWidth = static_cast<s32>(depthBufferList().getCurrent()->m_width);
@ -225,17 +224,14 @@ void Rasterize(vertexi * vtx, int vertices, int dzdx)
int prestep = isub((int)((unsigned int)x1 << 16), left_x);
int z = isumm(left_z, imul16(prestep, dzdx));
shift = x1 + y1*depthBufferWidth;
int shift = x1 + y1*depthBufferWidth;
//draw to depth buffer
int trueZ;
int idx;
u16 encodedZ;
for (int x = 0; x < width; x++) {
trueZ = z / 8192;
int trueZ = z / 8192;
if (trueZ < 0)
trueZ = 0;
encodedZ = zLUT[trueZ];
idx = (shift + x) ^ 1;
u16 encodedZ = zLUT[trueZ];
int idx = (shift + x) ^ 1;
if (encodedZ < destptr[idx])
destptr[idx] = encodedZ;
z = isumm(z, dzdx);