zdoom/qzdoom
0
0
Fork 0
mirror of https://github.com/ZDoom/qzdoom.git synced 2024-12-03 09:23:19 +00:00
Code Issues Projects Releases Packages Wiki Activity

- fix out of bounds crash

Browse source
This commit is contained in:
Magnus Norddahl 2019-08-06 06:21:37 +02:00
parent eb127d0dac
commit b34658d4d8
1 changed files with 4 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
src/rendering/polyrenderer/drawers/screen_triangle.cpp
View file

@ -227,8 +227,8 @@ static float wrap(float value)
static uint32_t sampleTexture(float u, float v, const uint32_t* texPixels, int texWidth, int texHeight)
{
int texelX = static_cast<int>(wrap(u) * texWidth);
int texelY = static_cast<int>(wrap(v) * texHeight);
int texelX = MIN(static_cast<int>(wrap(u) * texWidth), texWidth - 1);
int texelY = MIN(static_cast<int>(wrap(v) * texHeight), texHeight - 1);
return texPixels[texelX * texHeight + texelY];
}
@ -257,10 +257,10 @@ static void RunShader(int x0, int x1, PolyTriangleThreadData* thread)
}
else if (thread->SpecialEffect == EFF_STENCIL) // stencil.fp
{
for (int x = x0; x < x1; x++)
/*for (int x = x0; x < x1; x++)
{
fragcolor[x] = 0x00ffffff;
}
}*/
return;
}
else if (thread->EffectState == SHADER_NoTexture) // func_notexture