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st/va: surface: render subpicture

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Signed-off-by: Michael Varga <Michael.Varga@amd.com>
This commit is contained in:
Michael Varga 2014-11-12 13:48:57 -06:00 • committed by Leo Liu
parent 7523db174e
commit 9460cd39e8
1 changed files with 120 additions and 0 deletions
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120
src/gallium/state_trackers/va/surface.c
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@ -32,6 +32,8 @@
#include "util/u_memory.h"
#include "util/u_handle_table.h"
#include "util/u_rect.h"
#include "util/u_sampler.h"
#include "util/u_surface.h"
#include "vl/vl_compositor.h"
#include "vl/vl_winsys.h"
@ -81,6 +83,7 @@ vlVaCreateSurfaces(VADriverContextP ctx, int width, int height, int format,
surf->templat = templat;
surf->buffer = drv->pipe->create_video_buffer(drv->pipe, &templat);
util_dynarray_init(&surf->subpics);
surfaces[i] = handle_table_add(drv->htab, surf);
}
@ -109,6 +112,7 @@ vlVaDestroySurfaces(VADriverContextP ctx, VASurfaceID *surface_list, int num_sur
surf->buffer->destroy(surf->buffer);
if(surf->fence)
drv->pipe->screen->fence_reference(drv->pipe->screen, &surf->fence, NULL);
util_dynarray_fini(&surf->subpics);
FREE(surf);
handle_table_remove(drv->htab, surface_list[i]);
}
@ -143,6 +147,115 @@ vlVaQuerySurfaceError(VADriverContextP ctx, VASurfaceID render_target, VAStatus
return VA_STATUS_ERROR_UNIMPLEMENTED;
}
static void
upload_sampler(struct pipe_context *pipe, struct pipe_sampler_view *dst,
const struct pipe_box *dst_box, const void *src, unsigned src_stride,
unsigned src_x, unsigned src_y)
{
struct pipe_transfer *transfer;
void *map;
map = pipe->transfer_map(pipe, dst->texture, 0, PIPE_TRANSFER_WRITE,
dst_box, &transfer);
if (!map)
return;
util_copy_rect(map, dst->texture->format, transfer->stride, 0, 0,
dst_box->width, dst_box->height,
src, src_stride, src_x, src_y);
pipe->transfer_unmap(pipe, transfer);
}
static VAStatus
vlVaPutSubpictures(vlVaSurface *surf, vlVaDriver *drv,
struct pipe_surface *surf_draw, struct u_rect *dirty_area,
struct u_rect *src_rect, struct u_rect *dst_rect)
{
vlVaSubpicture *sub;
int i;
if (!(surf->subpics.data || surf->subpics.size))
return VA_STATUS_SUCCESS;
for (i = 0; i < surf->subpics.size/sizeof(vlVaSubpicture *); i++) {
struct pipe_blend_state blend;
void *blend_state;
vlVaBuffer *buf;
struct pipe_box box;
struct u_rect *s, *d, sr, dr, c;
int sw, sh, dw, dh;
sub = ((vlVaSubpicture **)surf->subpics.data)[i];
if (!sub)
continue;
buf = handle_table_get(drv->htab, sub->image->buf);
if (!buf)
return VA_STATUS_ERROR_INVALID_IMAGE;
box.x = 0;
box.y = 0;
box.z = 0;
box.width = sub->dst_rect.x1 - sub->dst_rect.x0;
box.height = sub->dst_rect.y1 - sub->dst_rect.y0;
box.depth = 1;
s = &sub->src_rect;
d = &sub->dst_rect;
sw = s->x1 - s->x0;
sh = s->y1 - s->y0;
dw = d->x1 - d->x0;
dh = d->y1 - d->y0;
c.x0 = MAX2(d->x0, s->x0);
c.y0 = MAX2(d->y0, s->y0);
c.x1 = MIN2(d->x0 + dw, src_rect->x1);
c.y1 = MIN2(d->y0 + dh, src_rect->y1);
sr.x0 = s->x0 + (c.x0 - d->x0)*(sw/(float)dw);
sr.y0 = s->y0 + (c.y0 - d->y0)*(sh/(float)dh);
sr.x1 = s->x0 + (c.x1 - d->x0)*(sw/(float)dw);
sr.y1 = s->y0 + (c.y1 - d->y0)*(sh/(float)dh);
s = src_rect;
d = dst_rect;
sw = s->x1 - s->x0;
sh = s->y1 - s->y0;
dw = d->x1 - d->x0;
dh = d->y1 - d->y0;
dr.x0 = d->x0 + c.x0*(dw/(float)sw);
dr.y0 = d->y0 + c.y0*(dh/(float)sh);
dr.x1 = d->x0 + c.x1*(dw/(float)sw);
dr.y1 = d->y0 + c.y1*(dh/(float)sh);
memset(&blend, 0, sizeof(blend));
blend.independent_blend_enable = 0;
blend.rt[0].blend_enable = 1;
blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA;
blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA;
blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ZERO;
blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
blend.rt[0].rgb_func = PIPE_BLEND_ADD;
blend.rt[0].alpha_func = PIPE_BLEND_ADD;
blend.rt[0].colormask = PIPE_MASK_RGBA;
blend.logicop_enable = 0;
blend.logicop_func = PIPE_LOGICOP_CLEAR;
blend.dither = 0;
blend_state = drv->pipe->create_blend_state(drv->pipe, &blend);
vl_compositor_clear_layers(&drv->cstate);
vl_compositor_set_layer_blend(&drv->cstate, 0, blend_state, false);
upload_sampler(drv->pipe, sub->sampler, &box, buf->data,
sub->image->pitches[0], 0, 0);
vl_compositor_set_rgba_layer(&drv->cstate, &drv->compositor, 0, sub->sampler,
&sr, NULL, NULL);
vl_compositor_set_layer_dst_area(&drv->cstate, 0, &dr);
vl_compositor_render(&drv->cstate, &drv->compositor, surf_draw, dirty_area, false);
drv->pipe->delete_blend_state(drv->pipe, blend_state);
}
return VA_STATUS_SUCCESS;
}
VAStatus
vlVaPutSurface(VADriverContextP ctx, VASurfaceID surface_id, void* draw, short srcx, short srcy,
unsigned short srcw, unsigned short srch, short destx, short desty,
@ -155,6 +268,8 @@ vlVaPutSurface(VADriverContextP ctx, VASurfaceID surface_id, void* draw, short s
struct pipe_resource *tex;
struct pipe_surface surf_templ, *surf_draw;
struct u_rect src_rect, *dirty_area;
struct u_rect dst_rect = {destx, destx + destw, desty, desty + desth};
VAStatus status;
if (!ctx)
return VA_STATUS_ERROR_INVALID_CONTEXT;
@ -192,8 +307,13 @@ vlVaPutSurface(VADriverContextP ctx, VASurfaceID surface_id, void* draw, short s
vl_compositor_clear_layers(&drv->cstate);
vl_compositor_set_buffer_layer(&drv->cstate, &drv->compositor, 0, surf->buffer, &src_rect, NULL, VL_COMPOSITOR_WEAVE);
vl_compositor_set_layer_dst_area(&drv->cstate, 0, &dst_rect);
vl_compositor_render(&drv->cstate, &drv->compositor, surf_draw, dirty_area, true);
status = vlVaPutSubpictures(surf, drv, surf_draw, dirty_area, &src_rect, &dst_rect);
if (status)
return status;
screen->flush_frontbuffer
(
screen, tex, 0, 0,