Don't pad renderbuffers to multiple of two pixels anymore.

This was only needed to avoid out-of-bounds memory accesses with the
2x2 quad_read/write() functions which no longer exist.
This commit is contained in:
Brian 2007-10-23 08:30:36 -06:00
parent 588c91eb0a
commit 5c79c088cd

View file

@ -64,7 +64,6 @@ st_renderbuffer_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
const struct pipe_format_info *info = st_get_format_info(pipeFormat);
GLuint cpp;
GLbitfield flags = PIPE_SURFACE_FLAG_RENDER; /* want to render to surface */
GLuint width2, height2;
assert(info);
if (!info)
@ -99,11 +98,7 @@ st_renderbuffer_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
pipe->region_release(pipe, &strb->surface->region);
}
/* Softpipe operates on quads, so pad dimensions to multiples of 2 */
width2 = (width + 1) & ~1;
height2 = (height + 1) & ~1;
strb->surface->region = pipe->region_alloc(pipe, cpp, width2, height2, flags);
strb->surface->region = pipe->region_alloc(pipe, cpp, width, height, flags);
if (!strb->surface->region)
return GL_FALSE; /* out of memory, try s/w buffer? */