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Improve SwapBuffers a bit.

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This commit is contained in:
Ben Skeggs 2006-12-14 04:34:38 +00:00
parent c95557f48b
commit 99878298da
1 changed files with 25 additions and 12 deletions
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37
src/mesa/drivers/dri/nouveau/nouveau_context.c
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@ -49,6 +49,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "nouveau_tex.h"
#include "nouveau_msg.h"
#include "nouveau_reg.h"
#include "nouveau_lock.h"
#include "nv10_swtcl.h"
#include "vblank.h"
@ -303,6 +304,8 @@ static void nouveauDoSwapBuffers(nouveauContextPtr nmesa,
{
struct gl_framebuffer *fb;
nouveau_renderbuffer *src, *dst;
drm_clip_rect_t *box;
int nbox, i;
fb = (struct gl_framebuffer *)dPriv->driverPrivate;
dst = (nouveau_renderbuffer*)
@ -311,19 +314,29 @@ static void nouveauDoSwapBuffers(nouveauContextPtr nmesa,
fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer;
#ifdef ALLOW_MULTI_SUBCHANNEL
/* Ignore this.. it's a hack to test double-buffering, and not how
* SwapBuffers should look :)
*/
BEGIN_RING_SIZE(NvSubCtxSurf2D, NV10_CONTEXT_SURFACES_2D_FORMAT, 4);
OUT_RING (6); /* X8R8G8B8 */
OUT_RING ((dst->pitch << 16) | src->pitch);
OUT_RING (src->offset);
OUT_RING (dst->offset);
LOCK_HARDWARE(nmesa);
nbox = dPriv->numClipRects;
box = dPriv->pClipRects;
BEGIN_RING_SIZE(NvSubImageBlit, NV10_IMAGE_BLIT_SET_POINT, 3);
OUT_RING ((0 << 16) | 0); /* src point */
OUT_RING ((0 << 16) | 0); /* dst point */
OUT_RING ((fb->Height << 16) | fb->Width); /* width/height */
if (nbox) {
BEGIN_RING_SIZE(NvSubCtxSurf2D,
NV10_CONTEXT_SURFACES_2D_FORMAT, 4);
OUT_RING (6); /* X8R8G8B8 */
OUT_RING ((dst->pitch << 16) | src->pitch);
OUT_RING (src->offset);
OUT_RING (dst->offset);
}
for (i=0; i<nbox; i++, box++) {
BEGIN_RING_SIZE(NvSubImageBlit, NV10_IMAGE_BLIT_SET_POINT, 3);
OUT_RING (((box->y1 - dPriv->y) << 16) |
(box->x1 - dPriv->x));
OUT_RING ((box->y1 << 16) | box->x1);
OUT_RING (((box->y2 - box->y1) << 16) |
(box->x2 - box->x1));
}
UNLOCK_HARDWARE(nmesa);
#endif
}