diff options
| author | Haihao Xiang <haihao.xiang@intel.com> | 2007-03-17 09:42:36 -0600 |
|---|---|---|
| committer | Brian <brian@yutani.localnet.net> | 2007-03-17 09:42:36 -0600 |
| commit | ee5b7f0574c6c5bce9ab75a2825f1fe089a57fa5 (patch) | |
| tree | 35f710800c00ec3d4421bddf6958288a5212d662 | |
| parent | 6a9b0cd0b43ba01b24871ec1fa155e192ddeaa56 (diff) | |
fix some format conversion bugs in glGetTexImage(), bug 10288
| -rw-r--r-- | src/mesa/main/texstore.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c index 994fb16730..2098bdddbf 100644 --- a/src/mesa/main/texstore.c +++ b/src/mesa/main/texstore.c @@ -3608,6 +3608,25 @@ _mesa_get_teximage(GLcontext *ctx, GLenum target, GLint level, GLint col; for (col = 0; col < width; col++) { (*texImage->FetchTexelf)(texImage, col, row, img, rgba[col]); + if (texImage->TexFormat->BaseFormat == GL_ALPHA) { + rgba[col][RCOMP] = 0.0; + rgba[col][GCOMP] = 0.0; + rgba[col][BCOMP] = 0.0; + } + else if (texImage->TexFormat->BaseFormat == GL_LUMINANCE) { + rgba[col][GCOMP] = 0.0; + rgba[col][BCOMP] = 0.0; + rgba[col][ACOMP] = 1.0; + } + else if (texImage->TexFormat->BaseFormat == GL_LUMINANCE_ALPHA) { + rgba[col][GCOMP] = 0.0; + rgba[col][BCOMP] = 0.0; + } + else if (texImage->TexFormat->BaseFormat == GL_INTENSITY) { + rgba[col][GCOMP] = 0.0; + rgba[col][BCOMP] = 0.0; + rgba[col][ACOMP] = 1.0; + } } _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format, type, dest, |