diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2002-09-14 16:50:08 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2002-09-14 16:50:08 +0000 |
| commit | 6080451f93fe362a9c3402523d0851f5216de7ee (patch) | |
| tree | f53168fe0371342d739f6b058b18d97384738a72 | |
| parent | 5419097b37e14c40cef28b441889e3fd2021c33e (diff) | |
implemented glGetTexImage for YCRCB
| -rw-r--r-- | src/mesa/main/teximage.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index f72e65b972..c8d5fa774f 100644 --- a/src/mesa/main/teximage.c +++ b/src/mesa/main/teximage.c @@ -1,4 +1,4 @@ -/* $Id: teximage.c,v 1.104.2.8 2002/09/13 19:39:45 brianp Exp $ */ +/* $Id: teximage.c,v 1.104.2.9 2002/09/14 16:50:08 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -1338,7 +1338,7 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format, { const struct gl_texture_unit *texUnit; const struct gl_texture_object *texObj; - struct gl_texture_image *texImage; + const struct gl_texture_image *texImage; GLint maxLevels = 0; GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); @@ -1417,7 +1417,7 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format, for (img = 0; img < depth; img++) { for (row = 0; row < height; row++) { /* compute destination address in client memory */ - GLvoid *dest = _mesa_image_address( &ctx->Unpack, pixels, + GLvoid *dest = _mesa_image_address( &ctx->Pack, pixels, width, height, format, type, img, row, 0); assert(dest); @@ -1444,8 +1444,20 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format, depthRow, &ctx->Pack); } else if (format == GL_YCBCR_MESA) { - /* XXX YUV to do */ - _mesa_problem(ctx, "GetTexImage YUV not done"); + /* No pixel transfer */ + MEMCPY(dest, (const GLushort *) texImage->Data + row * width, + width * sizeof(GLushort)); + /* check for byte swapping */ + if ((texImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR + && type == GL_UNSIGNED_SHORT_8_8_REV_APPLE) || + (texImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR_REV + && type == GL_UNSIGNED_SHORT_8_8_APPLE)) { + if (!ctx->Pack.SwapBytes) + _mesa_swap2((GLushort *) dest, width); + } + else if (ctx->Pack.SwapBytes) { + _mesa_swap2((GLushort *) dest, width); + } } else { /* general case: convert row to RGBA format */ |