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Fix a bug where having two or more lighting passes on a multi-surface mdsprite would leak some GL state and disable blending for all but the first surface.

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git-svn-id: https://svn.eduke32.com/eduke32@1735 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
plagman 2010-12-17 03:56:25 +00:00
parent efc0f2ec75
commit e043431060
1 changed files with 5 additions and 2 deletions
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5
polymer/eduke32/build/src/polymer.c
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@ -4250,6 +4250,9 @@ static int32_t polymer_bindmaterial(_prmaterial material, int16_t* lights,
// PR_BIT_LIGHTING_PASS // PR_BIT_LIGHTING_PASS
if (programbits & prprogrambits[PR_BIT_LIGHTING_PASS].bit) if (programbits & prprogrambits[PR_BIT_LIGHTING_PASS].bit)
{ {
// Careful with that, it works only if we respect the wrapping order
// or make sure GL_BLEND is the only ENABLE we mess with here.
bglPushAttrib(GL_ENABLE_BIT);
bglEnable(GL_BLEND); bglEnable(GL_BLEND);
bglBlendFunc(GL_ONE, GL_ONE); bglBlendFunc(GL_ONE, GL_ONE);
} }
@ -4514,7 +4517,7 @@ static void polymer_unbindmaterial(int32_t programbits)
// PR_BIT_LIGHTING_PASS // PR_BIT_LIGHTING_PASS
if (programbits & prprogrambits[PR_BIT_LIGHTING_PASS].bit) if (programbits & prprogrambits[PR_BIT_LIGHTING_PASS].bit)
{ {
bglDisable(GL_BLEND); bglPopAttrib();
bglBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); bglBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
} }