26 lines
840 B
GLSL
26 lines
840 B
GLSL
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#include "common.h"
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#include "common_perspective.h"
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uniform mat4 g_ModelViewProjectionMatrix;
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uniform vec2 g_Point0; // {"material":"point0","label":"p0","default":"0.67728 0.01297"}
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uniform vec2 g_Point1; // {"material":"point1","label":"p1","default":"0.76007 0.14043"}
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uniform vec2 g_Point2; // {"material":"point2","label":"p2","default":"0.46654 1.09592"}
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uniform vec2 g_Point3; // {"material":"point3","label":"p3","default":"0.16363 0.44881"}
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attribute vec3 a_Position;
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attribute vec2 a_TexCoord;
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varying vec2 v_TexCoord;
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varying vec3 v_TexCoordFx;
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void main() {
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mat3 xform = inverse(squareToQuad(g_Point0, g_Point1, g_Point2, g_Point3));
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v_TexCoord.xy = a_TexCoord.xy;
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v_TexCoordFx = mul(vec3(a_TexCoord.xy, 1.0), xform);
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gl_Position = mul(vec4(a_Position, 1.0), g_ModelViewProjectionMatrix);
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}
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