/**************************************************************************
- *
+ *
* 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
* 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.
* 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 PIPE_VIDEO_CONTEXT_H
struct pipe_screen;
struct pipe_buffer;
struct pipe_surface;
-struct pipe_video_surface;
struct pipe_macroblock;
struct pipe_picture_desc;
struct pipe_fence_handle;
+struct pipe_video_buffer;
/**
* Gallium video rendering context
void *priv; /**< context private data (for DRI for example) */
+ /**
+ * Query an integer-valued capability/parameter/limit
+ * \param param one of PIPE_CAP_x
+ */
+ int (*get_param)(struct pipe_video_context *vpipe, int param);
+
+ /**
+ * Check if the given pipe_format is supported as a texture or
+ * drawing surface.
+ */
+ boolean (*is_format_supported)(struct pipe_video_context *vpipe,
+ enum pipe_format format,
+ unsigned usage);
+
+ /**
+ * destroy context, all buffers must be freed before calling this
+ */
void (*destroy)(struct pipe_video_context *vpipe);
/**
- * Picture decoding and displaying
+ * create a surface of a texture
+ */
+ struct pipe_surface *(*create_surface)(struct pipe_video_context *vpipe,
+ struct pipe_resource *resource,
+ const struct pipe_surface *templ);
+
+ /**
+ * sampler view handling, used for subpictures for example
*/
/*@{*/
+
+ /**
+ * create a sampler view of a texture, for subpictures for example
+ */
+ struct pipe_sampler_view *(*create_sampler_view)(struct pipe_video_context *vpipe,
+ struct pipe_resource *resource,
+ const struct pipe_sampler_view *templ);
+
+ /**
+ * upload image data to a sampler
+ */
+ void (*upload_sampler)(struct pipe_video_context *vpipe,
+ struct pipe_sampler_view *dst,
+ const struct pipe_box *dst_box,
+ const void *src, unsigned src_stride,
+ unsigned src_x, unsigned src_y);
+
+ /**
+ * clear a sampler with a specific rgba color
+ */
+ void (*clear_sampler)(struct pipe_video_context *vpipe,
+ struct pipe_sampler_view *dst,
+ const struct pipe_box *dst_box,
+ const float *rgba);
+
+ /**
+ * Creates a buffer as decoding target
+ */
+ struct pipe_video_buffer *(*create_buffer)(struct pipe_video_context *vpipe);
+
+ /**
+ * Creates a video compositor
+ */
+ struct pipe_video_compositor *(*create_compositor)(struct pipe_video_context *vpipe);
+
+ /**
+ * Picture decoding and displaying
+ */
+
+#if 0
void (*decode_bitstream)(struct pipe_video_context *vpipe,
unsigned num_bufs,
struct pipe_buffer **bitstream_buf);
+#endif
+
+};
+
+struct pipe_video_buffer
+{
+ struct pipe_video_context* context;
+
+ /**
+ * destroy this video buffer
+ */
+ void (*destroy)(struct pipe_video_buffer *buffer);
+
+ /**
+ * map the buffer into memory before calling add_macroblocks
+ */
+ void (*map)(struct pipe_video_buffer *buffer);
+
+ /**
+ * add macroblocks to buffer for decoding
+ */
+ void (*add_macroblocks)(struct pipe_video_buffer *buffer,
+ unsigned num_macroblocks,
+ struct pipe_macroblock *macroblocks);
+
+ /**
+ * unmap buffer before flushing
+ */
+ void (*unmap)(struct pipe_video_buffer *buffer);
+
+ /**
+ * flush buffer to video hardware
+ */
+ void (*flush)(struct pipe_video_buffer *buffer,
+ struct pipe_video_buffer *ref_frames[2],
+ struct pipe_fence_handle **fence);
- void (*decode_macroblocks)(struct pipe_video_context *vpipe,
- struct pipe_video_surface *past,
- struct pipe_video_surface *future,
- unsigned num_macroblocks,
- struct pipe_macroblock *macroblocks,
- struct pipe_fence_handle **fence);
-
- void (*clear_surface)(struct pipe_video_context *vpipe,
- unsigned x, unsigned y,
- unsigned width, unsigned height,
- unsigned value,
- struct pipe_surface *surface);
-
- void (*render_picture)(struct pipe_video_context *vpipe,
- /*struct pipe_surface *backround,
- struct pipe_video_rect *backround_area,*/
- struct pipe_video_surface *src_surface,
- enum pipe_mpeg12_picture_type picture_type,
- /*unsigned num_past_surfaces,
- struct pipe_video_surface *past_surfaces,
- unsigned num_future_surfaces,
- struct pipe_video_surface *future_surfaces,*/
- struct pipe_video_rect *src_area,
- struct pipe_surface *dst_surface,
- struct pipe_video_rect *dst_area,
- /*unsigned num_layers,
- struct pipe_texture *layers,
- struct pipe_video_rect *layer_src_areas,
- struct pipe_video_rect *layer_dst_areas,*/
- struct pipe_fence_handle **fence);
- /*@}*/
+
+ void (*get_sampler_views)(struct pipe_video_buffer *buffer,
+ struct pipe_sampler_view *sampler_views[3]);
+};
+
+struct pipe_video_compositor
+{
+ struct pipe_video_context* context;
/**
- * Parameter-like states (or properties)
+ * destroy this compositor
+ */
+ void (*destroy)(struct pipe_video_compositor *compositor);
+
+ /**
+ * set yuv -> rgba conversion matrix
+ */
+ void (*set_csc_matrix)(struct pipe_video_compositor *compositor, const float mat[16]);
+
+ /**
+ * set overlay samplers
*/
/*@{*/
- void (*set_picture_desc)(struct pipe_video_context *vpipe,
- const struct pipe_picture_desc *desc);
- void (*set_decode_target)(struct pipe_video_context *vpipe,
- struct pipe_video_surface *dt);
+ /**
+ * reset all currently set layers
+ */
+ void (*clear_layers)(struct pipe_video_compositor *compositor);
- void (*set_csc_matrix)(struct pipe_video_context *vpipe, const float *mat);
+ /**
+ * set a video buffer as a layer to render
+ */
+ void (*set_buffer_layer)(struct pipe_video_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 (*set_palette_layer)(struct pipe_video_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 (*set_rgba_layer)(struct pipe_video_compositor *compositor,
+ unsigned layer,
+ struct pipe_sampler_view *rgba,
+ struct pipe_video_rect *src_rect,
+ struct pipe_video_rect *dst_rect);
- /* TODO: Interface for scaling modes, post-processing, etc. */
/*@}*/
-};
+ /**
+ * render the layers to the frontbuffer
+ */
+ void (*render_picture)(struct pipe_video_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);
+
+};
#ifdef __cplusplus
}
projects / mesa.git / blobdiff