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Correct GLES2 version of mip-map shader.

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This commit is contained in:
Sergey Lipskiy 2019-04-22 21:44:44 +07:00
parent 8f26645407
commit 8debfdb81c
1 changed files with 7 additions and 4 deletions
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11
src/Graphics/OpenGLContext/GLSL/glsl_CombinerProgramBuilder.cpp
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@ -1684,24 +1684,27 @@ public:
" if (magnify && (uTextureDetail == 1 || uTextureDetail == 3)) \n"
" lod_frac = 1.0 - lod_frac; \n"
" if (uMaxTile == 0) { \n"
" if (uEnableLod != 0 && uTextureDetail < 2) \n"
" readtex1 = readtex0; \n"
" if (uEnableLod != 0) { \n"
" if (uTextureDetail < 2) readtex1 = readtex0; \n"
" else if (!magnify) readtex0 = readtex1; \n"
" } \n"
" return lod_frac; \n"
" } \n"
" if (uEnableLod == 0) return lod_frac; \n"
" \n"
" lod_tile = min(lod_tile, fMaxTile); \n"
" lowp float lod_tile_m1 = max(0.0, lod_tile - 1.0); \n"
" lowp float lod_tile_p1 = min(fMaxTile - 1.0, lod_tile + 1.0); \n"
" lowp vec4 lodT = texture2DLodEXT(uTex1, vTexCoord1, lod_tile); \n"
" lowp vec4 lodT_m1 = texture2DLodEXT(uTex1, vTexCoord1, lod_tile_m1); \n"
" lowp vec4 lodT_p1 = texture2DLodEXT(uTex1, vTexCoord1, lod_tile + 1.0); \n"
" lowp vec4 lodT_p1 = texture2DLodEXT(uTex1, vTexCoord1, lod_tile_p1); \n"
" if (lod_tile < 1.0) { \n"
" if (magnify) { \n"
// !sharpen && !detail
" if (uTextureDetail == 0) readtex1 = readtex0; \n"
" } else { \n"
// detail
" if (uTextureDetail > 1) { \n"
" if (uTextureDetail > 1) { \n"
" readtex0 = lodT; \n"
" readtex1 = lodT_p1; \n"
" } \n"