diff options
Diffstat (limited to 'mesalib/src/mesa/main/pack.c')
| -rw-r--r-- | mesalib/src/mesa/main/pack.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/mesalib/src/mesa/main/pack.c b/mesalib/src/mesa/main/pack.c index 4f0caa763..d6a97b35a 100644 --- a/mesalib/src/mesa/main/pack.c +++ b/mesalib/src/mesa/main/pack.c @@ -3641,7 +3641,11 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4], rgba[i][rDst] = ((p ) & 0x3ff) * rs; rgba[i][gDst] = ((p >> 10) & 0x3ff) * gs; rgba[i][bDst] = ((p >> 20) & 0x3ff) * bs; - rgba[i][aDst] = ((p >> 30) ) * as; + if (aSrc < 0) { + rgba[i][aDst] = 1.0F; + } else { + rgba[i][aDst] = (p >> 30) * as; + } } } else { @@ -3652,7 +3656,11 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4], rgba[i][rDst] = ((p ) & 0x3ff) * rs; rgba[i][gDst] = ((p >> 10) & 0x3ff) * gs; rgba[i][bDst] = ((p >> 20) & 0x3ff) * bs; - rgba[i][aDst] = ((p >> 30) ) * as; + if (aSrc < 0) { + rgba[i][aDst] = 1.0F; + } else { + rgba[i][aDst] = (p >> 30) * as; + } } } break; |