Commit: a74e782f5b3e1df763274e3c8f803562dbbd9a89
Author: Clément Foucault
Date:   Mon Apr 9 18:43:27 2018 +0200
Branches: blender2.8
https://developer.blender.org/rBa74e782f5b3e1df763274e3c8f803562dbbd9a89

BLF: Fix broken shadows on certain hardware.

This was due to uninitialized texture space.

===================================================================

M       source/blender/blenfont/intern/blf_glyph.c

===================================================================

diff --git a/source/blender/blenfont/intern/blf_glyph.c 
b/source/blender/blenfont/intern/blf_glyph.c
index 6ab95e0a59a..da9aeaed449 100644
--- a/source/blender/blenfont/intern/blf_glyph.c
+++ b/source/blender/blenfont/intern/blf_glyph.c
@@ -242,7 +242,11 @@ static void blf_glyph_cache_texture(FontBLF *font, 
GlyphCacheBLF *gc)
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-       glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, gc->p2_width, gc->p2_height, 0, 
GL_RED, GL_UNSIGNED_BYTE, NULL);
+
+       unsigned int pix_count = (unsigned int)(gc->p2_width * gc->p2_height);
+       unsigned char *pixels = MEM_callocN(pix_count * sizeof(*pixels), "BLF 
texture init");
+       glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, gc->p2_width, gc->p2_height, 0, 
GL_RED, GL_UNSIGNED_BYTE, pixels);
+       MEM_freeN(pixels);
 }
 
 GlyphBLF *blf_glyph_search(GlyphCacheBLF *gc, unsigned int c)

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