shader.frag

#include <common>
#include <packing>
#include <dithering_pars_fragment>

#ifdef FRAMEBUFFER_PRECISION_HIGH

	uniform mediump sampler2D inputBuffer;

#else

	uniform lowp sampler2D inputBuffer;

#endif

#ifdef GL_FRAGMENT_PRECISION_HIGH

	uniform highp sampler2D depthBuffer;

#else

	uniform mediump sampler2D depthBuffer;

#endif

uniform vec2 resolution;
uniform vec2 texelSize;

uniform float cameraNear;
uniform float cameraFar;
uniform float aspect;
uniform float time;

varying vec2 vUv;

float readDepth(const in vec2 uv) {

	#if DEPTH_PACKING == 3201

		return unpackRGBAToDepth(texture2D(depthBuffer, uv));

	#else

		return texture2D(depthBuffer, uv).r;

	#endif

}

float getViewZ(const in float depth) {

	#ifdef PERSPECTIVE_CAMERA

		return perspectiveDepthToViewZ(depth, cameraNear, cameraFar);

	#else

		return orthographicDepthToViewZ(depth, cameraNear, cameraFar);

	#endif

}

FRAGMENT_HEAD

void main() {

	FRAGMENT_MAIN_UV

	vec4 color0 = texture2D(inputBuffer, UV);
	vec4 color1 = vec4(0.0);

	FRAGMENT_MAIN_IMAGE

	gl_FragColor = color0;

	#ifdef ENCODE_OUTPUT

		#include <encodings_fragment>

	#endif

	#include <dithering_fragment>

}