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Add compiler and feature check for point sprite support. 

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@853 dfc29bdd-3216-0410-991c-e03cc46cb475
master
hybrid 2007-08-20 23:44:57 +00:00
parent b04c7e758f
commit f795aa5378
1 changed files with 12 additions and 6 deletions
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18
source/Irrlicht/COpenGLDriver.cpp
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@ -599,25 +599,31 @@ void COpenGLDriver::drawVertexPrimitiveList(const void* vertices, u32 vertexCoun
case scene::EPT_POINTS:
case scene::EPT_POINT_SPRITES:
{
if (pType==scene::EPT_POINT_SPRITES)
#ifdef GL_ARB_point_sprite
if (pType==scene::EPT_POINT_SPRITES && FeatureAvailable[IRR_ARB_point_sprite])
glEnable(GL_POINT_SPRITE_ARB);
#endif
float quadratic[] = {0.0f, 0.0f, 10.01f};
extGlPointParameterfv(GL_POINT_DISTANCE_ATTENUATION_ARB, quadratic);
float maxParticleSize=1.0f;
glGetFloatv(GL_POINT_SIZE_MAX_ARB, &maxParticleSize);
maxParticleSize=maxParticleSize<Material.Thickness?maxParticleSize:Material.Thickness;
// maxParticleSize=maxParticleSize<Material.Thickness?maxParticleSize:Material.Thickness;
// extGlPointParameterf(GL_POINT_SIZE_MAX_ARB,maxParticleSize);
// extGlPointParameterf(GL_POINT_SIZE_MIN_ARB,Material.Thickness/2);
// extGlPointParameterf(GL_POINT_SIZE_MIN_ARB,Material.Thickness);
extGlPointParameterf(GL_POINT_FADE_THRESHOLD_SIZE_ARB, 60.0f);
glPointSize(Material.Thickness*600.0f);
if (pType==scene::EPT_POINT_SPRITES)
glPointSize(Material.Thickness);
#ifdef GL_ARB_point_sprite
if (pType==scene::EPT_POINT_SPRITES && FeatureAvailable[IRR_ARB_point_sprite])
glTexEnvf(GL_POINT_SPRITE_ARB,GL_COORD_REPLACE, GL_TRUE);
#endif
glDrawArrays(GL_POINTS, 0, primitiveCount);
if (pType==scene::EPT_POINT_SPRITES)
#ifdef GL_ARB_point_sprite
if (pType==scene::EPT_POINT_SPRITES && FeatureAvailable[IRR_ARB_point_sprite])
{
glDisable(GL_POINT_SPRITE_ARB);
glTexEnvf(GL_POINT_SPRITE_ARB,GL_COORD_REPLACE, GL_FALSE);
}
#endif
}
break;
case scene::EPT_LINE_STRIP: