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uniform mat4 g_WorldViewProjectionMatrix;
uniform vec2 g_Resolution;
uniform float m_SubPixelShift;
attribute vec4 inPosition;
attribute vec2 inTexCoord;
varying vec2 texCoord;
varying vec4 posPos;
void main() {
gl_Position = inPosition * 2.0 - 1.0; //vec4(pos, 0.0, 1.0);
texCoord = inTexCoord;
vec2 rcpFrame = vec2(1.0) / g_Resolution;
posPos.xy = inTexCoord.xy;
posPos.zw = inTexCoord.xy - (rcpFrame * vec2(0.5 + m_SubPixelShift));
}
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