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Pooya65

OpenGL questions about CG,GLSL.assembly shaders in OpenGL

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hi i have some question about shaders in opengl 1. is GLSL available in the OpenGL 1.5? 2. is CG limited to the nvidia graphics cards? 3. can i use OpenGL's low level shaders in the DirectX?

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Original post by Pooya65
1. is GLSL available in the OpenGL 1.5?

No.

Quote:
Original post by Pooya65
2. is CG limited to the nvidia graphics cards?

No. But it works (much, much) better on NV.

Quote:
Original post by Pooya65
3. can i use OpenGL's low level shaders in the DirectX?

No.

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1. GLSL can be available in OpenGL 1.5 as extension. (In that case the driver update won't be a wrong idea)

2. No, the required GPU is depend on the shader profile.

3. The old ARB shaders are very limited...

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