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a better depth filter

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This commit is contained in:
samcake 2016-07-18 12:26:04 -07:00
parent a4ad4659c4
commit be4839d46c
2 changed files with 31 additions and 8 deletions

37
libraries/render-utils/src/surfaceGeometry_downsampleDepthNormal.slf
View file

@ -45,23 +45,46 @@ out vec4 outLinearDepth;
out vec4 outNormal;
void main(void) {
float Zeye = texture(linearDepthMap, varTexCoord0).x;
#if __VERSION__ == 450
// Gather 2 by 2 quads from texture
vec4 Zeyes = textureGather(linearDepthMap, varTexCoord0, 0);
vec4 rawNormalsX = textureGather(normalMap, varTexCoord0, 0);
vec4 rawNormalsY = textureGather(normalMap, varTexCoord0, 1);
vec4 rawNormalsZ = textureGather(normalMap, varTexCoord0, 2);
float Zeye = min(min(Zeyes.x, Zeyes.y), min(Zeyes.z, Zeyes.w));
vec3 normal = vec3(0.0);
normal += unpackNormal(vec3(rawNormalsX[0], rawNormalsY[0], rawNormalsZ[0]));
normal += unpackNormal(vec3(rawNormalsX[1], rawNormalsY[1], rawNormalsZ[1]));
normal += unpackNormal(vec3(rawNormalsX[2], rawNormalsY[2], rawNormalsZ[2]));
normal += unpackNormal(vec3(rawNormalsX[3], rawNormalsY[3], rawNormalsZ[3]));
#else
ivec2 texpos = ivec2(gl_FragCoord.xy) * 2;
vec4 Zeyes;
Zeyes[0] = texelFetch(linearDepthMap, texpos, 0).x;
Zeyes[1] = texelFetch(linearDepthMap, texpos + ivec2(0, 1), 0).x;
Zeyes[2] = texelFetch(linearDepthMap, texpos + ivec2(1, 0), 0).x;
Zeyes[3] = texelFetch(linearDepthMap, texpos + ivec2(1, 1), 0).x;
vec3 rawNormals[4];
rawNormals[0] = texelFetch(normalMap, texpos, 0).xyz;
rawNormals[1] = texelFetch(normalMap, texpos + ivec2(0, 1), 0).xyz;
rawNormals[2] = texelFetch(normalMap, texpos + ivec2(1, 0), 0).xyz;
rawNormals[3] = texelFetch(normalMap, texpos + ivec2(1, 1), 0).xyz;
float Zeye = min(min(Zeyes.x, Zeyes.y), min(Zeyes.z, Zeyes.w));
vec3 normal = vec3(0.0);
normal += unpackNormal( rawNormals[0] );
normal += unpackNormal( rawNormals[1] );
normal += unpackNormal( rawNormals[2] );
normal += unpackNormal( rawNormals[3] );
normal += unpackNormal(rawNormals[0]);
normal += unpackNormal(rawNormals[1]);
normal += unpackNormal(rawNormals[2]);
normal += unpackNormal(rawNormals[3]);
#endif
normal = normalize(normal);
outLinearDepth = vec4(Zeye, 0.0, 0.0, 0.0);

2
libraries/render-utils/src/surfaceGeometry_makeCurvature.slf
View file

@ -112,7 +112,7 @@ void main(void) {
// Fetch the z under the pixel (stereo or not)
float Zeye = getZEye(framePixelPos);
if (Zeye <= -getPosLinearDepthFar()) {
outFragColor = vec4(0.0);
outFragColor = vec4(1.0, 0.0, 0.0, 0.0);
return;
}