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- always use glPolygonOffset to render translucent geometry.

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This commit is contained in:
Christoph Oelckers 2014-09-20 09:04:36 +02:00
parent 92dcf2e5ef
commit 43e2d704a3
2 changed files with 21 additions and 19 deletions
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15
src/gl/dynlights/gl_lightbuffer.cpp
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@ -100,19 +100,20 @@ void FLightBuffer::Clear()
int FLightBuffer::UploadLights(FDynLightData &data)
{
unsigned int size0 = data.arrays[0].Size()/4;
unsigned int size1 = data.arrays[1].Size()/4;
unsigned int size2 = data.arrays[2].Size()/4;
unsigned int totalsize = size0 + size1 + size2 + 1;
int size0 = data.arrays[0].Size()/4;
int size1 = data.arrays[1].Size()/4;
int size2 = data.arrays[2].Size()/4;
int totalsize = size0 + size1 + size2 + 1;
if (mBlockAlign > 0 && totalsize + (mIndex % mBlockAlign) > mBlockSize)
// pointless type casting because some compilers can't print enough warnings.
if (mBlockAlign > 0 && (unsigned int)totalsize + (mIndex % mBlockAlign) > mBlockSize)
{
mIndex = ((mIndex + mBlockAlign) / mBlockAlign) * mBlockAlign;
// can't be rendered all at once.
if (totalsize > mBlockSize)
if ((unsigned int)totalsize > mBlockSize)
{
int diff = totalsize - mBlockSize;
int diff = totalsize - (int)mBlockSize;
size2 -= diff;
if (size2 < 0)

25
src/gl/scene/gl_walls_draw.cpp
View file

@ -238,7 +238,11 @@ void GLWall::RenderFogBoundary()
gl_SetFog(lightlevel, rel, &Colormap, false);
gl_RenderState.SetEffect(EFF_FOGBOUNDARY);
gl_RenderState.AlphaFunc(GL_GEQUAL, 0.f);
glEnable(GL_POLYGON_OFFSET_FILL);
glPolygonOffset(-1.0f, -128.0f);
RenderWall(RWF_BLANK);
glPolygonOffset(0.0f, 0.0f);
glDisable(GL_POLYGON_OFFSET_FILL);
gl_RenderState.SetEffect(EFF_NONE);
}
}
@ -368,12 +372,6 @@ void GLWall::Draw(int pass)
#endif
if (type == RENDERWALL_COLORLAYER && pass != GLPASS_LIGHTSONLY)
{
glEnable(GL_POLYGON_OFFSET_FILL);
glPolygonOffset(-1.0f, -128.0f);
}
switch (pass)
{
case GLPASS_LIGHTSONLY:
@ -396,6 +394,8 @@ void GLWall::Draw(int pass)
break;
case GLPASS_TRANSLUCENT:
switch (type)
{
case RENDERWALL_MIRRORSURFACE:
@ -406,15 +406,16 @@ void GLWall::Draw(int pass)
RenderFogBoundary();
break;
case RENDERWALL_COLORLAYER:
glEnable(GL_POLYGON_OFFSET_FILL);
glPolygonOffset(-1.0f, -128.0f);
RenderTranslucentWall();
glDisable(GL_POLYGON_OFFSET_FILL);
glPolygonOffset(0, 0);
default:
RenderTranslucentWall();
break;
}
}
if (type == RENDERWALL_COLORLAYER && pass != GLPASS_LIGHTSONLY)
{
glDisable(GL_POLYGON_OFFSET_FILL);
glPolygonOffset(0, 0);
}
}