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Bug fix in invulnerability in Doom Software Render Mode and True Color SW Render in SoftPoly.

This commit is contained in:
Erick Vasquez Garcia 2021-03-21 15:27:43 -06:00 committed by Christoph Oelckers
parent 4d353318d9
commit bf3018cc84
1 changed files with 21 additions and 13 deletions
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34
src/common/rendering/polyrenderer/drawers/screen_shader.cpp
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@ -538,12 +538,13 @@ static void MainFP(int x0, int x1, PolyTriangleThreadData* thread)
// frag = frag * vColor;
// frag.rgb = frag.rgb + uFogColor.rgb;
uint32_t startR = (int)((thread->mainVertexShader.Data.uObjectColor.r) * 255.0f);
uint32_t startG = (int)((thread->mainVertexShader.Data.uObjectColor.g) * 255.0f);
uint32_t startB = (int)((thread->mainVertexShader.Data.uObjectColor.b) * 255.0f);
uint32_t rangeR = (int)((thread->mainVertexShader.Data.uAddColor.r) * 255.0f) - startR;
uint32_t rangeG = (int)((thread->mainVertexShader.Data.uAddColor.g) * 255.0f) - startG;
uint32_t rangeB = (int)((thread->mainVertexShader.Data.uAddColor.b) * 255.0f) - startB;
// [GEC] I leave the default floating values.
float startR = thread->mainVertexShader.Data.uObjectColor.r;
float startG = thread->mainVertexShader.Data.uObjectColor.g;
float startB = thread->mainVertexShader.Data.uObjectColor.b;
float rangeR = thread->mainVertexShader.Data.uAddColor.r - startR;
float rangeG = thread->mainVertexShader.Data.uAddColor.g - startG;
float rangeB = thread->mainVertexShader.Data.uAddColor.b - startB;
for (int x = x0; x < x1; x++)
{
@ -555,15 +556,22 @@ static void MainFP(int x0, int x1, PolyTriangleThreadData* thread)
uint32_t gray = (r * 77 + g * 143 + b * 37) >> 8;
gray += (gray >> 7); // gray*=256/255
r = (startR + ((gray * rangeR) >> 8)) << 1;
g = (startG + ((gray * rangeG) >> 8)) << 1;
b = (startB + ((gray * rangeB) >> 8)) << 1;
// [GEC] I use the same method as in shaders using floating values.
// This avoids errors in the invulneravility colormap in Doom and Heretic.
float fgray = (float)(gray / 255.f);
float fr = (startR + (fgray * rangeR)) * 2;
float fg = (startG + (fgray * rangeG)) * 2;
float fb = (startB + (fgray * rangeB)) * 2;
r = MIN(r, (uint32_t)255);
g = MIN(g, (uint32_t)255);
b = MIN(b, (uint32_t)255);
fr = clamp<float>(fr, 0.0f, 1.0f);
fg = clamp<float>(fg, 0.0f, 1.0f);
fb = clamp<float>(fb, 0.0f, 1.0f);
fragcolor[x] = MAKEARGB(a, r, g, b);
r = (uint32_t)(fr * 255.f);
g = (uint32_t)(fg * 255.f);
b = (uint32_t)(fb * 255.f);
fragcolor[x] = MAKEARGB(a, (uint8_t)r, (uint8_t)g, (uint8_t)b);
}
}
else