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-rw-r--r--src/libui_sdl/main_shaders.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/libui_sdl/main_shaders.h b/src/libui_sdl/main_shaders.h
index b602013..85ff794 100644
--- a/src/libui_sdl/main_shaders.h
+++ b/src/libui_sdl/main_shaders.h
@@ -89,7 +89,8 @@ void main()
if ((top.a & 0x40) != 0)
{
float xpos = top.r + fract(fTexcoord.x);
- uvec4 _3dpix = uvec4(texelFetch(_3DTex, ivec2(vec2(xpos, fTexcoord.y)*u3DScale), 0).bgra
+ float ypos = mod(fTexcoord.y, 768);
+ uvec4 _3dpix = uvec4(texelFetch(_3DTex, ivec2(vec2(xpos, ypos)*u3DScale), 0).bgra
* vec4(63,63,63,31));
if (_3dpix.a > 0) { top = _3dpix; top.a |= 0x40; bot = mid; }
@@ -98,7 +99,8 @@ void main()
else if ((mid.a & 0x40) != 0)
{
float xpos = mid.r + fract(fTexcoord.x);
- uvec4 _3dpix = uvec4(texelFetch(_3DTex, ivec2(vec2(xpos, fTexcoord.y)*u3DScale), 0).bgra
+ float ypos = mod(fTexcoord.y, 768);
+ uvec4 _3dpix = uvec4(texelFetch(_3DTex, ivec2(vec2(xpos, ypos)*u3DScale), 0).bgra
* vec4(63,63,63,31));
if (_3dpix.a > 0) { bot = _3dpix; bot.a |= 0x40; }