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rewrite/simplify intelCopySubBuffer()

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This commit is contained in:
Brian 2007-11-05 10:04:23 -07:00
parent 81c1993daa
commit 413688415c
1 changed files with 16 additions and 22 deletions
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38
src/mesa/drivers/dri/intel_winsys/intel_swapbuffers.c
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@ -237,11 +237,10 @@ intelSwapBuffers(__DRIdrawablePrivate * dPriv)
assert(intel_fb);
assert(intel_fb->stfb);
st_notify_swapbuffers(intel_fb->stfb);
back_surf = st_get_framebuffer_surface(intel_fb->stfb,
ST_SURFACE_BACK_LEFT);
if (back_surf) {
st_notify_swapbuffers(intel_fb->stfb);
intelDisplaySurface(dPriv, back_surf, NULL);
}
}
@ -254,27 +253,22 @@ intelSwapBuffers(__DRIdrawablePrivate * dPriv)
void
intelCopySubBuffer(__DRIdrawablePrivate * dPriv, int x, int y, int w, int h)
{
if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
struct intel_context *intel = intel_context(dPriv->driContextPriv);
GLcontext *ctx = intel->st->ctx;
struct intel_framebuffer *intel_fb = intel_framebuffer(dPriv);
struct pipe_surface *back_surf;
if (ctx->Visual.doubleBufferMode) {
struct intel_framebuffer *intel_fb = dPriv->driverPrivate;
struct pipe_surface *back_surf
= st_get_framebuffer_surface(intel_fb->stfb, ST_SURFACE_BACK_LEFT);
assert(intel_fb);
assert(intel_fb->stfb);
drm_clip_rect_t rect;
/* fixup cliprect (driDrawable may have changed?) later */
rect.x1 = x;
rect.y1 = y;
rect.x2 = w;
rect.y2 = h;
_mesa_notifySwapBuffers(ctx); /* flush pending rendering comands */
intelDisplaySurface(dPriv, back_surf, &rect);
}
}
else {
/* XXX this shouldn't be an error but we can't handle it for now */
fprintf(stderr, "%s: drawable has no context!\n", __FUNCTION__);
back_surf = st_get_framebuffer_surface(intel_fb->stfb,
ST_SURFACE_BACK_LEFT);
if (back_surf) {
drm_clip_rect_t rect;
rect.x1 = x;
rect.y1 = y;
rect.x2 = w;
rect.y2 = h;
st_notify_swapbuffers(intel_fb->stfb);
intelDisplaySurface(dPriv, back_surf, &rect);
}
}