diff options
author | Eric Anholt <eric@anholt.net> | 2009-08-28 14:44:55 -0700 |
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committer | Eric Anholt <eric@anholt.net> | 2009-08-28 15:29:35 -0700 |
commit | 8096aa521369c3bcf5226c060efa6dd06e48ddc8 (patch) | |
tree | fc74042e497b8af912f028661405d992d1c875ec /src/mesa/vbo | |
parent | 2d5c74fac3cc0f9d45a9e11b2fcdea1bc67928c4 (diff) |
vbo: Fix array pointer calculation for MapBufferRange-mapped vertex data.
We would end up with the offset from the start of the mapping rather than
the offset from the start of the buffer.
Diffstat (limited to 'src/mesa/vbo')
-rw-r--r-- | src/mesa/vbo/vbo_exec_draw.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mesa/vbo/vbo_exec_draw.c b/src/mesa/vbo/vbo_exec_draw.c index 53fa90b8af..0c258c535e 100644 --- a/src/mesa/vbo/vbo_exec_draw.c +++ b/src/mesa/vbo/vbo_exec_draw.c @@ -218,7 +218,9 @@ vbo_exec_bind_arrays( GLcontext *ctx ) /* a real buffer obj: Ptr is an offset, not a pointer*/ GLsizeiptr offset; assert(exec->vtx.bufferobj->Pointer); /* buf should be mapped */ - offset = (GLbyte *) data - (GLbyte *) exec->vtx.bufferobj->Pointer; + offset = (GLbyte *) data - + (GLbyte *) exec->vtx.bufferobj->Pointer + + exec->vtx.bufferobj->Offset; assert(offset >= 0); arrays[attr].Ptr = (void *) offset; } |