There's indeed a bug in the GLSL patch regarding RECT textures
support, you're gonna have to use 2D textures for now
On Nov 3, 2007, at 11:03 AM, vade wrote:
Hello
Does GLSLShader and GLSLGrid support sampler2DRect? Ive attempted to
port some very simple shader code to Quartz Composer, and while the
video displays, if I use sampler2DRect/texture2DRect within GLSL
Grid, I have these errors in my console, and my framerate stutters:
11/3/07 1:57:56 PM Quartz Composer[24317] *** Message from <QCGrid =
0x17E9DFC0 "Grid_1">:
Execution failed at time 68.144
11/3/07 1:57:56 PM Quartz Composer[24317] *** Message from <QCPatch
= 0x1619BC50 "(null)">:
Execution failed at time 68.144
11/3/07 1:57:56 PM Quartz Composer[24317] *** <RenderView:
0x161d0420>: Render failed at time 68.143830s
However, it seems to 'mostly' work.
Attached is a modified GLSLShader patch with video input (ive used
the default shader included when instantiating GLSLShader, but
changed references of sampler2D to sampler2DRect, and same for
texture.)
<Sampler2DRect.qtz>
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