diff options
Diffstat (limited to 'drivers/gles2/shaders/canvas.glsl')
| -rw-r--r-- | drivers/gles2/shaders/canvas.glsl | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/gles2/shaders/canvas.glsl b/drivers/gles2/shaders/canvas.glsl index b13801946f..7ba2856216 100644 --- a/drivers/gles2/shaders/canvas.glsl +++ b/drivers/gles2/shaders/canvas.glsl @@ -162,6 +162,9 @@ VERTEX_SHADER_CODE #ifdef USE_PIXEL_SNAP outvec.xy = floor(outvec + 0.5).xy; + // precision issue on some hardware creates artifacts within texture + // offset uv by a small amount to avoid + uv += 1e-5; #endif #ifdef USE_SKELETON @@ -217,29 +220,25 @@ VERTEX_SHADER_CODE /* clang-format off */ [fragment] +// texture2DLodEXT and textureCubeLodEXT are fragment shader specific. +// Do not copy these defines in the vertex section. #ifndef USE_GLES_OVER_GL - #ifdef GL_EXT_shader_texture_lod #extension GL_EXT_shader_texture_lod : enable #define texture2DLod(img, coord, lod) texture2DLodEXT(img, coord, lod) #define textureCubeLod(img, coord, lod) textureCubeLodEXT(img, coord, lod) #endif - -#endif +#endif // !USE_GLES_OVER_GL #ifdef GL_ARB_shader_texture_lod #extension GL_ARB_shader_texture_lod : enable #endif - #if !defined(GL_EXT_shader_texture_lod) && !defined(GL_ARB_shader_texture_lod) #define texture2DLod(img, coord, lod) texture2D(img, coord, lod) #define textureCubeLod(img, coord, lod) textureCube(img, coord, lod) #endif - - - #ifdef USE_GLES_OVER_GL #define lowp #define mediump |