lxdream.org :: lxdream/src/pvr2/glutil.c r1140:7dc1c71ece76

filename	src/pvr2/glutil.c
changeset	1140:7dc1c71ece76
prev	1134:f502f3d32f90
next	1150:1038800cecd8
author	nkeynes
date	Tue Oct 26 08:39:02 2010 +1000 (12 years ago)
permissions	-rw-r--r--
last change	Implement fragment shader to support palette textures 'directly', and therefore avoid having to reload all palette textures whenever the palette changes.

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     1.1 --- a/src/pvr2/glutil.c	Fri Oct 22 20:55:32 2010 +1000
     1.2 +++ b/src/pvr2/glutil.c	Tue Oct 26 08:39:02 2010 +1000
     1.3 @@ -41,6 +41,18 @@
     1.4      return isGLExtensionSupported("GL_ARB_texture_mirrored_repeat");
     1.5  }
     1.6  
     1.7 +/**
     1.8 + * Check if there's at least 2 texture units
     1.9 + */
    1.10 +gboolean isGLMultitextureSupported()
    1.11 +{
    1.12 +    if( !isGLExtensionSupported("GL_ARB_multitexture") )
    1.13 +        return FALSE;
    1.14 +    int units = 0;
    1.15 +    glGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &units);
    1.16 +    return units >= 2;
    1.17 +}
    1.18 +
    1.19  gboolean isGLVertexRangeSupported()
    1.20  {
    1.21      return isGLExtensionSupported("GL_APPLE_vertex_array_range") ||