forked from joejulian/gio
Elias Naur
8dce81d8fd
OpenGL use the [-1; 1] range for clip depths, Direct3D [0; 1]. Use toClipSpace to encapsulate the difference. Signed-off-by: Elias Naur <mail@eliasnaur.com>
30 lines
678 B
GLSL
30 lines
678 B
GLSL
#version 310 es
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// SPDX-License-Identifier: Unlicense OR MIT
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precision highp float;
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#include <common.inc>
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layout(binding = 0) uniform Block {
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vec4 transform;
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vec4 uvCoverTransform;
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vec4 uvTransform;
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float z;
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};
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layout(location = 0) in vec2 pos;
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layout(location = 0) out vec2 vCoverUV;
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layout(location = 1) in vec2 uv;
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layout(location = 1) out vec2 vUV;
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void main() {
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gl_Position = toClipSpace(vec4(pos*transform.xy + transform.zw, z, 1));
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vUV = uv*uvTransform.xy + uvTransform.zw;
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vec3[2] fboTrans = fboTextureTransform();
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vec3 uv3 = transform3x2(fboTrans, vec3(uv, 1.0));
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vCoverUV = (uv3*vec3(uvCoverTransform.xy, 1.0)+vec3(uvCoverTransform.zw, 0.0)).xy;
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}
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