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swrast* (gallium, classic): add MESA_copy_sub_buffer support (v3)

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This patches add MESA_copy_sub_buffer support to the dri sw loader and
then to gallium state tracker, llvmpipe, softpipe and other bits.

It reuses the dri1 driver extension interface, and it updates the swrast
loader interface for a new putimage which can take a stride.

I've tested this with gnome-shell with a cogl hacked to reenable sub copies
for llvmpipe and the one piglit test.

I could probably split this patch up as well.

v2: pass a pipe_box, to reduce the entrypoints, as per Jose's review,
add to p_screen doc comments.

v3: finish off winsys interfaces, add swrast classic support as well.

Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

swrast: add support for copy_sub_buffer
This commit is contained in:
Dave Airlie
2013-11-28 11:08:11 +10:00
parent 40070e72d4
commit ba00f2f6f5
41 changed files with 227 additions and 59 deletions
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5
src/gallium/drivers/softpipe/sp_screen.c
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@@ -369,7 +369,8 @@ static void
softpipe_flush_frontbuffer(struct pipe_screen *_screen,
struct pipe_resource *resource,
unsigned level, unsigned layer,
void *context_private)
void *context_private,
struct pipe_box *sub_box)
{
struct softpipe_screen *screen = softpipe_screen(_screen);
struct sw_winsys *winsys = screen->winsys;
@@ -377,7 +378,7 @@ softpipe_flush_frontbuffer(struct pipe_screen *_screen,
assert(texture->dt);
if (texture->dt)
winsys->displaytarget_display(winsys, texture->dt, context_private);
winsys->displaytarget_display(winsys, texture->dt, context_private, sub_box);
}
static uint64_t