[Mesa-dev] [PATCH 4/4] st/va: surface: render subpicture
Leo Liu
leo.liu at amd.com
Mon Nov 17 07:46:04 PST 2014
From: Michael Varga <Michael.Varga at amd.com>
Signed-off-by: Michael Varga <Michael.Varga at amd.com>
---
src/gallium/state_trackers/va/surface.c | 120 ++++++++++++++++++++++++++++++++
1 file changed, 120 insertions(+)
diff --git a/src/gallium/state_trackers/va/surface.c b/src/gallium/state_trackers/va/surface.c
index 0d0b863..8d4487b 100644
--- a/src/gallium/state_trackers/va/surface.c
+++ b/src/gallium/state_trackers/va/surface.c
@@ -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,
--
1.9.1
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