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- Move depth testing out of span drawers
This commit is contained in:
Magnus Norddahl
parent
01fd404133
commit
fae514923a
1 changed files with 167 additions and 165 deletions
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@ -1179,21 +1179,88 @@ void ScreenTriangle::DrawSWRender(const TriDrawTriangleArgs *args, WorkerThreadD
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// Draw the triangle:
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if (args->destBgra)
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{
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auto drawfunc = (args->destBgra) ? DrawSpan32 : DrawSpan8;
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float stepXW = args->gradientX.W;
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float v1X = args->v1->x;
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float v1Y = args->v1->y;
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float v1W = args->v1->w;
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int num_cores = thread->num_cores;
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for (int y = topY + thread->skipped_by_thread(topY); y < bottomY; y += num_cores)
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{
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DrawSpan32(y, leftEdge[y], rightEdge[y], args);
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}
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}
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else
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int x = leftEdge[y];
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int xend = rightEdge[y];
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float *zbufferLine = args->zbuffer + args->stencilPitch * 8 * y;
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float startX = x + (0.5f - v1X);
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float startY = y + (0.5f - v1Y);
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float posXW = v1W + stepXW * startX + args->gradientY.W * startY;
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#ifndef NO_SSE
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__m128 mstepXW = _mm_set1_ps(stepXW * 4.0f);
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__m128 mfirstStepXW = _mm_setr_ps(0.0f, stepXW, stepXW + stepXW, stepXW + stepXW + stepXW);
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while (x < xend)
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{
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int num_cores = thread->num_cores;
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for (int y = topY + thread->skipped_by_thread(topY); y < bottomY; y += num_cores)
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int xstart = x;
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int xendsse = x + ((xend - x) & ~3);
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__m128 mposXW = _mm_add_ps(_mm_set1_ps(posXW), mfirstStepXW);
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while (_mm_movemask_ps(_mm_cmple_ps(_mm_loadu_ps(zbufferLine + x), mposXW)) == 15 && x < xendsse)
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{
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DrawSpan8(y, leftEdge[y], rightEdge[y], args);
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_mm_storeu_ps(zbufferLine + x, mposXW);
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mposXW = _mm_add_ps(mposXW, mstepXW);
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x += 4;
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}
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posXW = _mm_cvtss_f32(mposXW);
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while (zbufferLine[x] <= posXW && x < xend)
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{
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zbufferLine[x] = posXW;
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posXW += stepXW;
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x++;
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}
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if (x > xstart)
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drawfunc(y, xstart, x, args);
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xendsse = x + ((xend - x) & ~3);
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mposXW = _mm_add_ps(_mm_set1_ps(posXW), mfirstStepXW);
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while (_mm_movemask_ps(_mm_cmple_ps(_mm_loadu_ps(zbufferLine + x), mposXW)) == 0 && x < xendsse)
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{
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mposXW = _mm_add_ps(mposXW, mstepXW);
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x += 4;
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}
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posXW = _mm_cvtss_f32(mposXW);
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while (zbufferLine[x] > posXW && x < xend)
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{
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posXW += stepXW;
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x++;
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}
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}
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#else
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while (x < xend)
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{
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int xstart = x;
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while (zbufferLine[x] <= posXW && x < xend)
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{
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zbufferLine[x] = posXW;
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posXW += stepXW;
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x++;
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}
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if (x > xstart)
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drawfunc(y, xstart, x, args);
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while (zbufferLine[x] > posXW && x < xend)
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{
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posXW += stepXW;
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x++;
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}
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}
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#endif
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}
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}
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@ -1226,20 +1293,13 @@ void ScreenTriangle::DrawSpan32(int y, int x0, int x1, const TriDrawTriangleArgs
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float globVis = args->uniforms->GlobVis() * (1.0f / 32.0f);
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light += light >> 7; // 255 -> 256
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float *zbufferLine = args->zbuffer + args->stencilPitch * 8 * y;
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uint32_t *dest = (uint32_t*)args->dest;
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uint32_t *destLine = dest + args->pitch * y;
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int x = x0;
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int sseEnd = x0 + (x1 - x0) / 2 * 2;
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int sseEnd = x0 + ((x1 - x0) & ~3);
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while (x < sseEnd)
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{
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if (zbufferLine[x] <= posXW && zbufferLine[x + 1] <= posXW + stepXW)
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{
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zbufferLine[x] = posXW;
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zbufferLine[x + 1] = posXW + stepXW;
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uint32_t fgcolor[2];
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int32_t lightshade[2];
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@ -1288,51 +1348,8 @@ void ScreenTriangle::DrawSpan32(int y, int x0, int x1, const TriDrawTriangleArgs
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x += 2;
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}
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else
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{
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for (int i = 0; i < 2; i++)
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{
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if (zbufferLine[x] <= posXW)
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{
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float rcpW = 0x01000000 / posXW;
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int32_t u = (int32_t)(posXU * rcpW);
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int32_t v = (int32_t)(posXV * rcpW);
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uint32_t texelX = ((((uint32_t)u << 8) >> 16) * texWidth) >> 16;
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uint32_t texelY = ((((uint32_t)v << 8) >> 16) * texHeight) >> 16;
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uint32_t fgcolor = texPixels[texelX * texHeight + texelY];
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uint32_t fgcolor_r = RPART(fgcolor);
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uint32_t fgcolor_g = GPART(fgcolor);
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uint32_t fgcolor_b = BPART(fgcolor);
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uint32_t fgcolor_a = APART(fgcolor);
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if (fgcolor_a > 127)
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{
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fixed_t lightpos = FRACUNIT - (int)(clamp(shade - MIN(24.0f / 32.0f, globVis * posXW), 0.0f, 31.0f / 32.0f) * (float)FRACUNIT);
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lightpos = (lightpos & lightmask) | ((light << 8) & ~lightmask);
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int lightshade = lightpos >> 8;
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fgcolor_r = (fgcolor_r * lightshade) >> 8;
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fgcolor_g = (fgcolor_g * lightshade) >> 8;
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fgcolor_b = (fgcolor_b * lightshade) >> 8;
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destLine[x] = 0xff000000 | (fgcolor_r << 16) | (fgcolor_g << 8) | fgcolor_b;
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}
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zbufferLine[x] = posXW;
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}
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posXW += stepXW;
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posXU += stepXU;
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posXV += stepXV;
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x++;
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}
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}
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}
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while (x < x1)
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{
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if (zbufferLine[x] <= posXW)
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{
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float rcpW = 0x01000000 / posXW;
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int32_t u = (int32_t)(posXU * rcpW);
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@ -1359,9 +1376,6 @@ void ScreenTriangle::DrawSpan32(int y, int x0, int x1, const TriDrawTriangleArgs
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destLine[x] = 0xff000000 | (fgcolor_r << 16) | (fgcolor_g << 8) | fgcolor_b;
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}
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zbufferLine[x] = posXW;
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}
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posXW += stepXW;
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posXU += stepXU;
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posXV += stepXV;
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@ -1398,15 +1412,11 @@ void ScreenTriangle::DrawSpan32(int y, int x0, int x1, const TriDrawTriangleArgs
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float globVis = args->uniforms->GlobVis() * (1.0f / 32.0f);
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light += light >> 7; // 255 -> 256
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float *zbufferLine = args->zbuffer + args->stencilPitch * 8 * y;
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uint32_t *dest = (uint32_t*)args->dest;
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uint32_t *destLine = dest + args->pitch * y;
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int x = x0;
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while (x < x1)
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{
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if (zbufferLine[x] <= posXW)
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{
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float rcpW = 0x01000000 / posXW;
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int32_t u = (int32_t)(posXU * rcpW);
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@ -1433,9 +1443,6 @@ void ScreenTriangle::DrawSpan32(int y, int x0, int x1, const TriDrawTriangleArgs
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destLine[x] = 0xff000000 | (fgcolor_r << 16) | (fgcolor_g << 8) | fgcolor_b;
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}
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zbufferLine[x] = posXW;
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}
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posXW += stepXW;
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posXU += stepXU;
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posXV += stepXV;
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@ -1474,15 +1481,11 @@ void ScreenTriangle::DrawSpan8(int y, int x0, int x1, const TriDrawTriangleArgs
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float globVis = args->uniforms->GlobVis() * (1.0f / 32.0f);
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light += light >> 7; // 255 -> 256
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float *zbufferLine = args->zbuffer + args->stencilPitch * 8 * y;
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uint8_t *dest = (uint8_t*)args->dest;
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uint8_t *destLine = dest + args->pitch * y;
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int x = x0;
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while (x < x1)
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{
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if (zbufferLine[x] <= posXW)
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{
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float rcpW = 0x01000000 / posXW;
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int32_t u = (int32_t)(posXU * rcpW);
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@ -1501,7 +1504,6 @@ void ScreenTriangle::DrawSpan8(int y, int x0, int x1, const TriDrawTriangleArgs
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if (fgcolor != 0)
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destLine[x] = shadedfg;
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}
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posXW += stepXW;
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posXU += stepXU;
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