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Revert "Change LOD calculation formula. Use the maximum value of the change of S and T per change in X and Y."

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This reverts commit 73b2d0060b.
This commit is contained in:
Sergey Lipskiy 2021-07-29 15:29:03 +07:00
parent 0c30bdf4e2
commit 44e809ed13
1 changed files with 6 additions and 6 deletions
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12
src/Graphics/OpenGLContext/GLSL/glsl_CombinerProgramBuilder.cpp
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@ -2065,9 +2065,9 @@ public:
" readtex1 = TextureMipMap(uTex1, tcData1, 0.0); \n"
" \n"
" mediump float fMaxTile = float(uMaxTile); \n"
" mediump vec2 dx = abs(dFdx(vLodTexCoord)) * uScreenScale; \n"
" mediump vec2 dy = abs(dFdy(vLodTexCoord)) * uScreenScale; \n"
" mediump float lod = max(max(dx.x,dx.y), max(dy.x,dy.y)); \n"
" mediump vec2 dx = abs(dFdx(vLodTexCoord)) * uScreenScale; \n"
" mediump vec2 dy = abs(dFdy(vLodTexCoord)) * uScreenScale; \n"
" mediump float lod = max(dx.x + dx.y, dy.x + dy.y); \n" /*LINEAR*/
" bool magnify = lod < 1.0; \n"
" mediump float lod_tile = magnify ? 0.0 : floor(log2(floor(lod))); \n"
" bool distant = lod > 128.0 || lod_tile >= fMaxTile; \n"
@ -2174,9 +2174,9 @@ public:
" READ_TEX_MIPMAP(readtex1, uTex1, tcData1, 0); \n"
" \n"
" mediump float fMaxTile = float(uMaxTile); \n"
" mediump vec2 dx = abs(dFdx(vLodTexCoord)) * uScreenScale; \n"
" mediump vec2 dy = abs(dFdy(vLodTexCoord)) * uScreenScale; \n"
" mediump float lod = max(max(dx.x,dx.y), max(dy.x,dy.y)); \n"
" mediump vec2 dx = abs(dFdx(vLodTexCoord)); \n"
" dx *= uScreenScale; \n"
" mediump float lod = max(dx.x, dx.y); \n"
" bool magnify = lod < 1.0; \n"
" mediump float lod_tile = magnify ? 0.0 : floor(log2(floor(lod))); \n"
" bool distant = lod > 128.0 || lod_tile >= fMaxTile; \n"