diff options
Diffstat (limited to 'src/gallium/include')
-rw-r--r-- | src/gallium/include/pipe/internal/p_winsys_screen.h | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/src/gallium/include/pipe/internal/p_winsys_screen.h b/src/gallium/include/pipe/internal/p_winsys_screen.h deleted file mode 100644 index a1542dada70..00000000000 --- a/src/gallium/include/pipe/internal/p_winsys_screen.h +++ /dev/null @@ -1,190 +0,0 @@ - /************************************************************************** - * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. - * 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. - * - **************************************************************************/ - -/** - * \file - * This is the interface that Gallium3D requires any window system - * hosting it to implement. This is the only include file in Gallium3D - * which is public. - */ - -#ifndef P_WINSYS_H -#define P_WINSYS_H - - -#include "pipe/p_format.h" - - -#ifdef __cplusplus -extern "C" { -#endif - - -/** Opaque type */ -struct pipe_fence_handle; - -struct pipe_surface; - - -/** - * Gallium3D drivers are (meant to be!) independent of both GL and the - * window system. The window system provides a buffer manager and a - * set of additional hooks for things like command buffer submission, - * etc. - * - * There clearly has to be some agreement between the window system - * driver and the hardware driver about the format of command buffers, - * etc. - */ -struct pipe_winsys -{ - void (*destroy)( struct pipe_winsys *ws ); - - /** Returns name of this winsys interface */ - const char *(*get_name)( struct pipe_winsys *ws ); - - /** - * Do any special operations to ensure buffer size is correct - */ - void (*update_buffer)( struct pipe_winsys *ws, - void *context_private ); - /** - * Do any special operations to ensure frontbuffer contents are - * displayed, eg copy fake frontbuffer. - */ - void (*flush_frontbuffer)( struct pipe_winsys *ws, - struct pipe_surface *surf, - void *context_private ); - - - /** - * Buffer management. Buffer attributes are mostly fixed over its lifetime. - * - * Remember that gallium gets to choose the interface it needs, and the - * window systems must then implement that interface (rather than the - * other way around...). - * - * usage is a bitmask of PIPE_BUFFER_USAGE_PIXEL/VERTEX/INDEX/CONSTANT. This - * usage argument is only an optimization hint, not a guarantee, therefore - * proper behavior must be observed in all circumstances. - * - * alignment indicates the client's alignment requirements, eg for - * SSE instructions. - */ - struct pipe_buffer *(*buffer_create)( struct pipe_winsys *ws, - unsigned alignment, - unsigned usage, - unsigned size ); - - /** - * Create a buffer that wraps user-space data. - * - * Effectively this schedules a delayed call to buffer_create - * followed by an upload of the data at *some point in the future*, - * or perhaps never. Basically the allocate/upload is delayed - * until the buffer is actually passed to hardware. - * - * The intention is to provide a quick way to turn regular data - * into a buffer, and secondly to avoid a copy operation if that - * data subsequently turns out to be only accessed by the CPU. - * - * Common example is OpenGL vertex buffers that are subsequently - * processed either by software TNL in the driver or by passing to - * hardware. - * - * XXX: What happens if the delayed call to buffer_create() fails? - * - * Note that ptr may be accessed at any time upto the time when the - * buffer is destroyed, so the data must not be freed before then. - */ - struct pipe_buffer *(*user_buffer_create)(struct pipe_winsys *ws, - void *ptr, - unsigned bytes); - - /** - * Allocate storage for a display target surface. - * - * Often surfaces which are meant to be blitted to the front screen (i.e., - * display targets) must be allocated with special characteristics, memory - * pools, or obtained directly from the windowing system. - * - * This callback is invoked by the pipe_screenwhen creating a texture marked - * with the PIPE_TEXTURE_USAGE_DISPLAY_TARGET flag to get the underlying - * buffer storage. - */ - struct pipe_buffer *(*surface_buffer_create)(struct pipe_winsys *ws, - unsigned width, unsigned height, - enum pipe_format format, - unsigned usage, - unsigned tex_usage, - unsigned *stride); - - - /** - * Map the entire data store of a buffer object into the client's address. - * flags is bitmask of PIPE_BUFFER_USAGE_CPU_READ/WRITE flags. - */ - void *(*buffer_map)( struct pipe_winsys *ws, - struct pipe_buffer *buf, - unsigned usage ); - - void (*buffer_unmap)( struct pipe_winsys *ws, - struct pipe_buffer *buf ); - - void (*buffer_destroy)( struct pipe_buffer *buf ); - - - /** Set ptr = fence, with reference counting */ - void (*fence_reference)( struct pipe_winsys *ws, - struct pipe_fence_handle **ptr, - struct pipe_fence_handle *fence ); - - /** - * Checks whether the fence has been signalled. - * \param flags driver-specific meaning - * \return zero on success. - */ - int (*fence_signalled)( struct pipe_winsys *ws, - struct pipe_fence_handle *fence, - unsigned flag ); - - /** - * Wait for the fence to finish. - * \param flags driver-specific meaning - * \return zero on success. - */ - int (*fence_finish)( struct pipe_winsys *ws, - struct pipe_fence_handle *fence, - unsigned flag ); - -}; - -#ifdef __cplusplus -} -#endif - -#endif /* P_WINSYS_H */ |