/**
* Re-validate the framebuffer.
*/
void
vg_manager_validate_framebuffer(struct vg_context *ctx)
{
struct st_framebuffer *stfb = ctx->draw_buffer;
struct pipe_resource *pt;
/* no binding surface */
if (!stfb)
return;
if (!p_atomic_read(&ctx->draw_buffer_invalid))
return;
/* validate the fb */
if (!stfb->iface->validate(stfb->iface, &stfb->strb_att, 1, &pt) || !pt)
return;
p_atomic_set(&ctx->draw_buffer_invalid, FALSE);
if (vg_context_update_color_rb(ctx, pt) ||
stfb->width != pt->width0 ||
stfb->height != pt->height0)
ctx->state.dirty |= FRAMEBUFFER_DIRTY;
stfb->width = pt->width0;
stfb->height = pt->height0;
}
static void
vg_context_update_draw_buffer(struct vg_context *ctx, struct pipe_resource *pt)
{
struct st_framebuffer *stfb = ctx->draw_buffer;
boolean new_cbuf, new_zsbuf, new_size;
new_cbuf = vg_context_update_color_rb(ctx, pt);
new_zsbuf =
vg_context_update_depth_stencil_rb(ctx, pt->width0, pt->height0);
new_size = (stfb->width != pt->width0 || stfb->height != pt->height0);
stfb->width = pt->width0;
stfb->height = pt->height0;
if (new_cbuf || new_zsbuf || new_size) {
struct pipe_framebuffer_state *state = &ctx->state.g3d.fb;
memset(state, 0, sizeof(struct pipe_framebuffer_state));
state->width = stfb->width;
state->height = stfb->height;
state->nr_cbufs = 1;
state->cbufs[0] = stfb->strb->surface;
state->zsbuf = stfb->dsrb->surface;
cso_set_framebuffer(ctx->cso_context, state);
}
if (new_zsbuf || new_size) {
ctx->state.dirty |= VIEWPORT_DIRTY;
ctx->state.dirty |= DEPTH_STENCIL_DIRTY;/*to reset the scissors*/
ctx->pipe->clear(ctx->pipe, PIPE_CLEAR_DEPTHSTENCIL, NULL, 0.0, 0);
/* we need all the other state already set */
setup_new_alpha_mask(ctx, stfb);
pipe_sampler_view_reference( &stfb->blend_texture_view, NULL);
stfb->blend_texture_view = create_tex_and_view(ctx->pipe,
PIPE_FORMAT_B8G8R8A8_UNORM, stfb->width, stfb->height);
}
}
/**
* Re-validate the framebuffer.
*/
void
vg_manager_validate_framebuffer(struct vg_context *ctx)
{
struct st_framebuffer *stfb = ctx->draw_buffer;
struct pipe_resource *pt;
int32_t new_stamp;
/* no binding surface */
if (!stfb)
return;
new_stamp = p_atomic_read(&stfb->iface->stamp);
if (stfb->iface_stamp != new_stamp) {
do {
/* validate the fb */
if (!stfb->iface->validate((struct st_context_iface *)ctx,
stfb->iface, &stfb->strb_att,
1, &pt) || !pt)
return;
stfb->iface_stamp = new_stamp;
new_stamp = p_atomic_read(&stfb->iface->stamp);
} while (stfb->iface_stamp != new_stamp);
if (vg_context_update_color_rb(ctx, pt) ||
stfb->width != pt->width0 ||
stfb->height != pt->height0)
++stfb->stamp;
stfb->width = pt->width0;
stfb->height = pt->height0;
}
if (ctx->draw_stamp != stfb->stamp) {
ctx->state.dirty |= FRAMEBUFFER_DIRTY;
ctx->draw_stamp = stfb->stamp;
}
}
