diff options
Diffstat (limited to 'source/blender/blenfont/intern/blf_glyph.c')
| -rw-r--r-- | source/blender/blenfont/intern/blf_glyph.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/source/blender/blenfont/intern/blf_glyph.c b/source/blender/blenfont/intern/blf_glyph.c index 215d2484c18..41726e41176 100644 --- a/source/blender/blenfont/intern/blf_glyph.c +++ b/source/blender/blenfont/intern/blf_glyph.c @@ -113,6 +113,10 @@ GlyphCacheBLF *blf_glyph_cache_new(FontBLF *font) gc->max_glyph_height = (int)(((float)font->face->size->metrics.height) / 64.0f); } + /* can happen with size 1 fonts */ + CLAMP_MIN(gc->max_glyph_width, 1); + CLAMP_MIN(gc->max_glyph_height, 1); + gc->p2_width = 0; gc->p2_height = 0; @@ -170,12 +174,12 @@ static void blf_glyph_cache_texture(FontBLF *font, GlyphCacheBLF *gc) glGenTextures(1, &gc->textures[gc->cur_tex]); glBindTexture(GL_TEXTURE_2D, (font->tex_bind_state = gc->textures[gc->cur_tex])); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, gc->p2_width, gc->p2_height, 0, GL_ALPHA, GL_UNSIGNED_BYTE, NULL); + glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA8, gc->p2_width, gc->p2_height, 0, GL_ALPHA, GL_UNSIGNED_BYTE, NULL); } GlyphBLF *blf_glyph_search(GlyphCacheBLF *gc, unsigned int c) |