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Eevee: MinmaxZ: Avoid unecessary conversions.

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Clément Foucault
2017-08-18 14:23:25 +02:00
parent 91ab64f38f
commit 2018df9939
1 changed files with 3 additions and 3 deletions
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6
source/blender/draw/engines/eevee/shaders/effect_minmaxz_frag.glsl
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@@ -42,9 +42,9 @@ void main()
val = minmax(val, val4);
/* if we are reducing an odd-width texture then fetch the edge texels */
if (((mipsize.x & 1) != 0) && (int(gl_FragCoord.x)*2 == mipsize.x-3)) {
if (((mipsize.x & 1) != 0) && (texelPos.x == mipsize.x - 3)) {
/* if both edges are odd, fetch the top-left corner texel */
if (((mipsize.y & 1) != 0) && (int(gl_FragCoord.y)*2 == mipsize.y-3)) {
if (((mipsize.y & 1) != 0) && (texelPos.y == mipsize.y - 3)) {
val = minmax(val, sampleLowerMip(texelPos + ivec2(2, 2)));
}
float val2 = sampleLowerMip(texelPos + ivec2(2, 0));
@@ -53,7 +53,7 @@ void main()
val = minmax(val, val3);
}
/* if we are reducing an odd-height texture then fetch the edge texels */
if (((mipsize.y & 1) != 0) && (int(gl_FragCoord.y)*2 == mipsize.y-3)) {
if (((mipsize.y & 1) != 0) && (texelPos.y == mipsize.y - 3)) {
float val2 = sampleLowerMip(texelPos + ivec2(0, 2));
float val3 = sampleLowerMip(texelPos + ivec2(1, 2));
val = minmax(val, val2);