mirror of https://github.com/bsnes-emu/bsnes.git
37 lines
756 B
Plaintext
37 lines
756 B
Plaintext
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#version 150
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in vec4 position;
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in vec2 texCoord;
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uniform vec4 sourceSize[];
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in vec2 ps;
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in float dx;
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in float dy;
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out Vertex {
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vec2 texCoord;
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vec4 t1;
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vec4 t2;
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vec4 t3;
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vec4 t4;
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} vertexOut;
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void main() {
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vec2 ps = vec2(1.0/sourceSize[0].x, 1.0/sourceSize[0].y);
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float dx = ps.x * 0.5;
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float dy = ps.y * 0.5;
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gl_Position = position;
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vertexOut.texCoord = texCoord;
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vertexOut.t1.xy = texCoord + vec2(-dx, 0);
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vertexOut.t2.xy = texCoord + vec2( dx, 0);
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vertexOut.t3.xy = texCoord + vec2( 0, -dy);
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vertexOut.t4.xy = texCoord + vec2( 0, dy);
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vertexOut.t1.zw = texCoord + vec2(-dx, -dy);
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vertexOut.t2.zw = texCoord + vec2(-dx, dy);
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vertexOut.t3.zw = texCoord + vec2( dx, -dy);
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vertexOut.t4.zw = texCoord + vec2( dx, dy);
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}
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