From: Brian Paul Date: Wed, 2 Jan 2013 16:00:36 +0000 (-0700) Subject: mesa: fix signed/unsignd mix-up in fetch_signed_l_latc1() X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c7d3254b8e0bb0859c4ed969f07b4585af5577b7;p=mesa.git mesa: fix signed/unsignd mix-up in fetch_signed_l_latc1() Fixes https://bugs.freedesktop.org/show_bug.cgi?id=58844 --- diff --git a/src/mesa/main/texcompress_rgtc.c b/src/mesa/main/texcompress_rgtc.c index fa9172aa282..1f8de25ec81 100644 --- a/src/mesa/main/texcompress_rgtc.c +++ b/src/mesa/main/texcompress_rgtc.c @@ -364,9 +364,10 @@ fetch_signed_l_latc1(const GLubyte *map, const GLuint imageOffsets[], GLint rowStride, GLint i, GLint j, GLint k, GLfloat *texel) { - GLubyte red; + GLbyte red; GLuint sliceOffset = k ? imageOffsets[k] / 2 : 0; - unsigned_fetch_texel_rgtc(rowStride, map + sliceOffset, i, j, &red, 1); + signed_fetch_texel_rgtc(rowStride, (GLbyte *) map + sliceOffset, + i, j, &red, 1); texel[RCOMP] = texel[GCOMP] = texel[BCOMP] = BYTE_TO_FLOAT(red);