1
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0answers
215 views

How do you tell OpenGL ES 2.0 to use a texture as the depth buffer?

I want to render a scene with an outline post processing effect in OpenGL ES 2.0. First I render all the opaque objects. Then I use a post processing shader for silhouette detection that uses the ...
2
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0answers
378 views

Can I use a shader with 2 different textures in Cocos2D (x)?

We are evaluating a variety of different graphic engines for use in our game and we want to be able to use 2 different textures for many of our sprite maps. One sprite map would be the standard RGBA ...
1
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1answer
1k views

Z rotation causing skew Android OpenGL ES 2.0

If I rotate about the X, or Y axis there is no skewing however for a pure 2D game that does not help me. When I try to rotate about the Z axis however the quad I am rendering for the sprite starts to ...
4
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1answer
1k views

How can I create an orthographic display that handles different screen dimensions?

I'm trying to create an iPad/iPhone game using GLES2.0 that contains a 3D scene with a heads-up-display/GUI overlaid on the top. However, this problem would also apply if I were to port my game to a ...
1
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4answers
537 views

How can I support scrolling when using batched rendering for my tiles?

I have tiled map 100*75 and tiles are 32*32 pixel.I want to use batching for performance .I don't figure it out , because of my game needs scrolling and every frame i draw 22*16 tiles (my screen is ...