fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-02 07:58:07 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

swrast: fix glReadPixels from texture attachment

Browse source 
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=42635
This commit is contained in:
Brian Paul 2011-11-12 11:50:32 -07:00
parent d0836eda5e
commit 6dbf2bac50
1 changed files with 13 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
src/mesa/swrast/s_texrender.c
View file

@ -567,6 +567,19 @@ update_wrapper(struct gl_context *ctx, struct gl_renderbuffer_attachment *att)
trb->Base.InternalFormat = trb->TexImage->Base.InternalFormat;
trb->Base.Format = trb->TexImage->Base.TexFormat;
/* Set the gl_renderbuffer::Data field so that mapping the buffer
* in renderbuffer.c succeeds.
*/
if (att->Texture->Target == GL_TEXTURE_3D ||
att->Texture->Target == GL_TEXTURE_2D_ARRAY_EXT) {
trb->Base.Data = trb->TexImage->Buffer +
trb->TexImage->ImageOffsets[trb->Zoffset] *
_mesa_get_format_bytes(trb->TexImage->Base.TexFormat);
}
else {
trb->Base.Data = trb->TexImage->Buffer;
}
/* XXX may need more special cases here */
switch (trb->TexImage->Base.TexFormat) {
case MESA_FORMAT_Z24_S8: