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Fix issue with lack of highp floating numbers in GLSL for GLES 2.0.

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This commit is contained in:
fzurita 2019-09-29 10:57:10 -04:00
parent 8817e2c549
commit 7861d14060
1 changed files with 5 additions and 3 deletions
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8
src/Graphics/OpenGLContext/GLSL/glsl_CombinerProgramBuilder.cpp
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@ -2232,9 +2232,11 @@ public:
" lowp vec2 one = vec2(1.0); \n"
" lowp vec2 clamped = step(vClamp.zw, texCoord); \n"
" lowp vec2 notClamped = one - clamped; \n"
" texCoord = clamped * texCoord + notClamped * mod(texCoord, vWrap); \n"
" highp vec2 intPart = floor(texCoord); \n"
" highp vec2 fractPart = fract(texCoord); \n"
" lowp vec2 wrapped = step(vWrap , texCoord); \n"
" lowp vec2 notWrapped = one - wrapped; \n"
" texCoord = clamped * texCoord + notClamped * (wrapped*mod(texCoord, vWrap) + notWrapped*texCoord); \n"
" highp vec2 intPart = floor(texCoord); \n"
" highp vec2 fractPart = fract(texCoord); \n"
" lowp vec2 needMirror = step(vec2(0.5), mod(intPart, vec2(2.0))) * vMirror; \n"
" texCoord = clamped * texCoord + notClamped * fractPart; \n"
" texCoord = (one - vMirror) * texCoord + vMirror * fractPart; \n"