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A bit of cleanup in TAA shaders

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This commit is contained in:
Olivier Prat 2018-02-22 10:09:03 +01:00
parent dca7b7aaba
commit aa46d16699
2 changed files with 14 additions and 4 deletions
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17
libraries/render-utils/src/taa.slh
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@ -38,6 +38,10 @@ layout(std140) uniform taaParamsBuffer {
#define GET_BIT(bitfield, bitIndex) bool((bitfield) & (1 << (bitIndex)))
bool taa_isDebugEnabled() {
return GET_BIT(params.flags.x, 0);
}
bool taa_showDebugCursor() {
return GET_BIT(params.flags.x, 1);
}
@ -247,14 +251,19 @@ vec2 taa_fromEyeUVToFragUV(vec2 eyeUV, int stereoSide) {
return fragUV;
}
vec2 taa_fetchSourceAndHistory(vec2 fragUV, vec2 fragVelocity, out vec3 sourceColor, out vec3 historyColor) {
sourceColor = taa_fetchSourceMap(fragUV).xyz;
vec2 taa_computePrevFragAndEyeUV(vec2 fragUV, vec2 fragVelocity, out vec2 prevEyeUV) {
int stereoSide = 0;
vec2 eyeUV = taa_fromFragUVToEyeUVAndSide(fragUV, stereoSide);
vec2 prevEyeUV = eyeUV - fragVelocity;
prevEyeUV = eyeUV - fragVelocity;
return taa_fromEyeUVToFragUV(prevEyeUV, stereoSide);
}
vec2 taa_fetchSourceAndHistory(vec2 fragUV, vec2 fragVelocity, out vec3 sourceColor, out vec3 historyColor) {
vec2 prevEyeUV;
vec2 prevFragUV = taa_computePrevFragAndEyeUV(fragUV, fragVelocity, prevEyeUV);
sourceColor = taa_fetchSourceMap(fragUV).xyz;
historyColor = sourceColor;
vec2 prevFragUV = taa_fromEyeUVToFragUV(prevEyeUV, stereoSide);
if (!(any(lessThan(prevEyeUV, vec2(0.0))) || any(greaterThan(prevEyeUV, vec2(1.0))))) {
historyColor = taa_fetchHistoryMap(prevFragUV).xyz;
}

1
libraries/render-utils/src/taa_blend.slf
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@ -145,6 +145,7 @@ void main(void) {
if (!(any(lessThan(prevTexCoord, vec2(0.0))) || any(greaterThan(prevTexCoord, vec2(1.0))))) {
prevColor = texture(historyMap, prevTexCoord).xyz;
}
outFragColor.xyz = mix(prevColor, vec3(1,0,1), clamp(distance(prevColor, nextColor) - 0.01, 0, 1));
if (pixVelocityLength > params.debugShowVelocityThreshold) {