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/**************************************************************************
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* Copyright 2009 Younes Manton.
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**************************************************************************/
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#ifndef vl_compositor_h
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#define vl_compositor_h
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#include "pipe/p_state.h"
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#include "pipe/p_video_codec.h"
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#include "pipe/p_video_state.h"
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#include "util/u_rect.h"
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* composing and displaying of image data
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#define VL_COMPOSITOR_MAX_LAYERS 16
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#define VL_COMPOSITOR_MIN_DIRTY (0)
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#define VL_COMPOSITOR_MAX_DIRTY (1 << 15)
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/* deinterlace allgorithem */
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enum vl_compositor_deinterlace
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VL_COMPOSITOR_BOB_TOP,
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VL_COMPOSITOR_BOB_BOTTOM,
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VL_COMPOSITOR_MOTION_ADAPTIVE
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/* clockwise degree */
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enum vl_compositor_rotation
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VL_COMPOSITOR_ROTATE_0,
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VL_COMPOSITOR_ROTATE_90,
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VL_COMPOSITOR_ROTATE_180,
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VL_COMPOSITOR_ROTATE_270
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struct vl_compositor_layer
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struct pipe_viewport_state viewport;
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struct pipe_sampler_view *sampler_views[3];
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struct vertex2f tl, br;
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struct vertex4f colors[4];
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enum vl_compositor_rotation rotate;
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struct vl_compositor_state
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struct pipe_context *pipe;
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struct pipe_scissor_state scissor;
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struct pipe_resource *shader_params;
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union pipe_color_union clear_color;
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unsigned used_layers:VL_COMPOSITOR_MAX_LAYERS;
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struct vl_compositor_layer layers[VL_COMPOSITOR_MAX_LAYERS];
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struct pipe_context *pipe;
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struct pipe_framebuffer_state fb_state;
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struct pipe_vertex_buffer vertex_buf;
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void *sampler_linear;
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void *sampler_nearest;
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void *blend_clear, *blend_add;
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void *vertex_elems_state;
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void *fs_video_buffer;
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void *cs_video_buffer;
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bool pipe_cs_composit_supported;
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bool pipe_gfx_supported;
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enum vl_compositor_deinterlace deinterlace;
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* initialize this compositor
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vl_compositor_init(struct vl_compositor *compositor, struct pipe_context *pipe);
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vl_compositor_init_state(struct vl_compositor_state *state, struct pipe_context *pipe);
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* set yuv -> rgba conversion matrix
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vl_compositor_set_csc_matrix(struct vl_compositor_state *settings,
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const vl_csc_matrix *matrix,
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float luma_min, float luma_max);
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* reset dirty area, so it's cleared with the clear colour
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vl_compositor_reset_dirty_area(struct u_rect *dirty);
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* set the clear color
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vl_compositor_set_clear_color(struct vl_compositor_state *settings, union pipe_color_union *color);
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* get the clear color
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vl_compositor_get_clear_color(struct vl_compositor_state *settings, union pipe_color_union *color);
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* set the destination clipping
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vl_compositor_set_dst_clip(struct vl_compositor_state *settings, struct u_rect *dst_clip);
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* set overlay samplers
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* reset all currently set layers
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vl_compositor_clear_layers(struct vl_compositor_state *state);
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* set the blender used to render a layer
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vl_compositor_set_layer_blend(struct vl_compositor_state *state,
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unsigned layer, void *blend, bool is_clearing);
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* set the layer destination area
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vl_compositor_set_layer_dst_area(struct vl_compositor_state *settings,
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unsigned layer, struct u_rect *dst_area);
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* set a video buffer as a layer to render
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vl_compositor_set_buffer_layer(struct vl_compositor_state *state,
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struct vl_compositor *compositor,
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struct pipe_video_buffer *buffer,
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struct u_rect *src_rect,
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struct u_rect *dst_rect,
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enum vl_compositor_deinterlace deinterlace);
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* set a paletted sampler as a layer to render
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vl_compositor_set_palette_layer(struct vl_compositor_state *state,
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struct vl_compositor *compositor,
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struct pipe_sampler_view *indexes,
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struct pipe_sampler_view *palette,
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struct u_rect *src_rect,
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struct u_rect *dst_rect,
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bool include_color_conversion);
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* set a rgba sampler as a layer to render
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vl_compositor_set_rgba_layer(struct vl_compositor_state *state,
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struct vl_compositor *compositor,
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struct pipe_sampler_view *rgba,
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struct u_rect *src_rect,
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struct u_rect *dst_rect,
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struct vertex4f *colors);
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* set the layer rotation
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vl_compositor_set_layer_rotation(struct vl_compositor_state *state,
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enum vl_compositor_rotation rotate);
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* deinterlace yuv buffer with full abilities
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vl_compositor_yuv_deint_full(struct vl_compositor_state *state,
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struct vl_compositor *compositor,
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struct pipe_video_buffer *src,
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struct pipe_video_buffer *dst,
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struct u_rect *src_rect,
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struct u_rect *dst_rect,
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enum vl_compositor_deinterlace deinterlace);
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+ * convert rgb to yuv
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vl_compositor_convert_rgb_to_yuv(struct vl_compositor_state *state,
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struct vl_compositor *compositor,
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struct pipe_resource *src_res,
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struct pipe_video_buffer *dst,
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struct u_rect *src_rect,
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struct u_rect *dst_rect);
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* render the layers to the frontbuffer
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vl_compositor_render(struct vl_compositor_state *state,
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struct vl_compositor *compositor,
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struct pipe_surface *dst_surface,
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struct u_rect *dirty_area,
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* destroy this compositor
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vl_compositor_cleanup(struct vl_compositor *compositor);
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* destroy this state bag
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vl_compositor_cleanup_state(struct vl_compositor_state *state);
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#endif /* vl_compositor_h */