78 lines
2.3 KiB
Plaintext
78 lines
2.3 KiB
Plaintext
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//////////////////////////////////////////
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// Complementary Shaders by EminGT //
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// With Euphoria Patches by SpacEagle17 //
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//////////////////////////////////////////
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//Common//
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#include "/lib/common.glsl"
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#include "/lib/shaderSettings/longExposure.glsl"
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//////////Fragment Shader//////////Fragment Shader//////////Fragment Shader//////////
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#ifdef FRAGMENT_SHADER
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noperspective in vec2 texCoord;
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//Pipeline Constants//
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//Common Variables//
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//Common Functions//
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//Includes//
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//Program//
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void main() {
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#if LONG_EXPOSURE > 0
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vec4 color = vec4(0.0);
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vec4 previousFrame = texture2D(colortex2, texCoord);
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float counter = texture2D(colortex2, ivec2(0)).g;
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counter += 0.00001;
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if(hideGUI == 0 || isViewMoving()) counter = 0.0; // reset counter when GUI visible OR when moving
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if (hideGUI == 1 && !isViewMoving()) { // accumulate ONLY when GUI hidden AND not moving otherwise use colortex2 as normal
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vec4 currentFrame = texture2D(colortex3, texCoord);
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if (counter <= 0.0001) previousFrame = currentFrame; // to fix the first frame as it still has info from colortex2 from deferred1
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#if LONG_EXPOSURE == 1
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color = max(currentFrame, previousFrame);
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#else
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float luma = dot(currentFrame.rgb, vec3(3.0)); // do luma weighting to preserve bright pixels for longer
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float mixAmount = 1.0 / (counter * 100000.0 + 1.0);
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color = mix(previousFrame, currentFrame, mixAmount * luma);
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#endif
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} else {
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color = previousFrame;
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}
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/* DRAWBUFFERS:2 */
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gl_FragData[0] = vec4(color.r, ivec2(texCoord * vec2(viewWidth, viewHeight)) == ivec2(0) ? counter : color.g, color.ba);
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#else
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/* DRAWBUFFERS:3 */
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gl_FragData[0] = texelFetch(colortex3, texelCoord, 0);
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#endif
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}
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#endif
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//////////Vertex Shader//////////Vertex Shader//////////Vertex Shader//////////
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#ifdef VERTEX_SHADER
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noperspective out vec2 texCoord;
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//Attributes//
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//Common Variables//
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//Common Functions//
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//Includes//
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//Program//
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void main() {
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gl_Position = ftransform();
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texCoord = (gl_TextureMatrix[0] * gl_MultiTexCoord0).xy;
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}
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#endif
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