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Diffstat (limited to 'src/gallium/auxiliary/vl/vl_compositor.h')
| -rw-r--r-- | src/gallium/auxiliary/vl/vl_compositor.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/vl/vl_compositor.h b/src/gallium/auxiliary/vl/vl_compositor.h new file mode 100644 index 00000000000..df662db4d91 --- /dev/null +++ b/src/gallium/auxiliary/vl/vl_compositor.h @@ -0,0 +1,169 @@ +/************************************************************************** + * + * Copyright 2009 Younes Manton. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef vl_compositor_h +#define vl_compositor_h + +#include <pipe/p_state.h> +#include <pipe/p_video_decoder.h> +#include <pipe/p_video_state.h> + +#include "vl_types.h" + +struct pipe_context; + +/** + * composing and displaying of image data + */ + +#define VL_COMPOSITOR_MAX_LAYERS 16 + +struct vl_compositor_layer +{ + bool clearing; + + void *fs; + void *samplers[3]; + + struct pipe_sampler_view *sampler_views[3]; + struct { + struct vertex2f tl, br; + } src, dst; +}; + +struct vl_compositor +{ + struct pipe_context *pipe; + + struct pipe_framebuffer_state fb_state; + struct pipe_viewport_state viewport; + struct pipe_vertex_buffer vertex_buf; + struct pipe_resource *csc_matrix; + + void *sampler_linear; + void *sampler_nearest; + void *blend; + void *rast; + void *vertex_elems_state; + + void *vs; + void *fs_video_buffer; + void *fs_palette; + void *fs_rgba; + + float clear_color[4]; + struct vertex2f dirty_tl, dirty_br; + + unsigned used_layers:VL_COMPOSITOR_MAX_LAYERS; + struct vl_compositor_layer layers[VL_COMPOSITOR_MAX_LAYERS]; +}; + +/** + * initialize this compositor + */ +bool +vl_compositor_init(struct vl_compositor *compositor, struct pipe_context *pipe); + +/** + * set yuv -> rgba conversion matrix + */ +void +vl_compositor_set_csc_matrix(struct vl_compositor *compositor, const float mat[16]); + +/** + * reset dirty area, so it's cleared with the clear colour + */ +void +vl_compositor_reset_dirty_area(struct vl_compositor *compositor); + +/** + * set the clear color + */ +void +vl_compositor_set_clear_color(struct vl_compositor *compositor, float color[4]); + +/** + * set overlay samplers + */ +/*@{*/ + +/** + * reset all currently set layers + */ +void +vl_compositor_clear_layers(struct vl_compositor *compositor); + +/** + * set a video buffer as a layer to render + */ +void +vl_compositor_set_buffer_layer(struct vl_compositor *compositor, + unsigned layer, + struct pipe_video_buffer *buffer, + struct pipe_video_rect *src_rect, + struct pipe_video_rect *dst_rect); + +/** + * set a paletted sampler as a layer to render + */ +void +vl_compositor_set_palette_layer(struct vl_compositor *compositor, + unsigned layer, + struct pipe_sampler_view *indexes, + struct pipe_sampler_view *palette, + struct pipe_video_rect *src_rect, + struct pipe_video_rect *dst_rect); + +/** + * set a rgba sampler as a layer to render + */ +void +vl_compositor_set_rgba_layer(struct vl_compositor *compositor, + unsigned layer, + struct pipe_sampler_view *rgba, + struct pipe_video_rect *src_rect, + struct pipe_video_rect *dst_rect); + +/*@}*/ + +/** + * render the layers to the frontbuffer + */ +void +vl_compositor_render(struct vl_compositor *compositor, + enum pipe_mpeg12_picture_type picture_type, + struct pipe_surface *dst_surface, + struct pipe_video_rect *dst_area, + struct pipe_fence_handle **fence); + +/** +* destroy this compositor +*/ +void +vl_compositor_cleanup(struct vl_compositor *compositor); + +#endif /* vl_compositor_h */ |