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Clamp to border for depth map+rotating cubes

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bloeys
2024-04-14 06:14:10 +04:00
parent b718611149
commit 5fa6a06079
2 changed files with 37 additions and 15 deletions
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11
buffers/framebuffer.go
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@ -276,8 +276,15 @@ func (fbo *Framebuffer) NewDepthAttachment(
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT)
// This is so that any sampling outside the depth map gives a full depth value.
// Useful for example when doing shadow maps where we want things outside
// the range of the texture to not show shadow
borderColor := []float32{1, 1, 1, 1}
gl.TexParameterfv(gl.TEXTURE_2D, gl.TEXTURE_BORDER_COLOR, &borderColor[0])
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_BORDER)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_BORDER)
gl.BindTexture(gl.TEXTURE_2D, 0)
// Attach to fbo