diff options
Diffstat (limited to 'src/mesa/pipe/xlib/xm_winsys.c')
| -rw-r--r-- | src/mesa/pipe/xlib/xm_winsys.c | 466 |
1 files changed, 0 insertions, 466 deletions
diff --git a/src/mesa/pipe/xlib/xm_winsys.c b/src/mesa/pipe/xlib/xm_winsys.c deleted file mode 100644 index c3cd22eea3f..00000000000 --- a/src/mesa/pipe/xlib/xm_winsys.c +++ /dev/null @@ -1,466 +0,0 @@ -/************************************************************************** - * - * Copyright 2007 Tungsten Graphics, Inc., Bismarck, ND., USA - * 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 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 - * THE COPYRIGHT HOLDERS, AUTHORS 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. - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * - **************************************************************************/ - -/* - * Authors: - * Keith Whitwell - * Brian Paul - */ - - -#include "glxheader.h" -#include "xmesaP.h" - -#include "pipe/p_winsys.h" -#include "pipe/p_format.h" -#include "pipe/p_context.h" -#include "pipe/p_util.h" -#include "pipe/p_inlines.h" -#include "pipe/softpipe/sp_winsys.h" - -#ifdef GALLIUM_CELL -#include "pipe/cell/ppu/cell_context.h" -#include "pipe/cell/ppu/cell_winsys.h" -#else -#define TILE_SIZE 32 /* avoid compilation errors */ -#endif - -#include "xm_winsys_aub.h" - - -/** - * Low-level OS/window system memory buffer - */ -struct xm_buffer -{ - struct pipe_buffer base; - boolean userBuffer; /** Is this a user-space buffer? */ - void *data; - void *mapped; -}; - - -struct xmesa_surface -{ - struct pipe_surface surface; - - int tileSize; -}; - - -/** - * Derived from softpipe_winsys. - * We just need one extra field which indicates the pixel format to use for - * drawing surfaces so that we're compatible with the XVisual/window format. - */ -struct xmesa_softpipe_winsys -{ - struct softpipe_winsys spws; - enum pipe_format pixelformat; -}; - - - -/** Cast wrapper */ -static INLINE struct xmesa_surface * -xmesa_surface(struct pipe_surface *ps) -{ -// assert(0); - return (struct xmesa_surface *) ps; -} - -/** cast wrapper */ -static INLINE struct xmesa_softpipe_winsys * -xmesa_softpipe_winsys(struct softpipe_winsys *spws) -{ - return (struct xmesa_softpipe_winsys *) spws; -} - -/** - * Turn the softpipe opaque buffer pointer into a dri_bufmgr opaque - * buffer pointer... - */ -static INLINE struct xm_buffer * -xm_buffer( struct pipe_buffer *buf ) -{ - return (struct xm_buffer *)buf; -} - - - -/* Most callbacks map direcly onto dri_bufmgr operations: - */ -static void * -xm_buffer_map(struct pipe_winsys *pws, struct pipe_buffer *buf, - unsigned flags) -{ - struct xm_buffer *xm_buf = xm_buffer(buf); - xm_buf->mapped = xm_buf->data; - return xm_buf->mapped; -} - -static void -xm_buffer_unmap(struct pipe_winsys *pws, struct pipe_buffer *buf) -{ - struct xm_buffer *xm_buf = xm_buffer(buf); - xm_buf->mapped = NULL; -} - -static void -xm_buffer_destroy(struct pipe_winsys *pws, - struct pipe_buffer *buf) -{ - struct xm_buffer *oldBuf = xm_buffer(buf); - - if (oldBuf->data) { - if (!oldBuf->userBuffer) - align_free(oldBuf->data); - oldBuf->data = NULL; - } - - free(oldBuf); -} - - -/** - * Display a surface that's in a tiled configuration. That is, all the - * pixels for a TILE_SIZExTILE_SIZE block are contiguous in memory. - */ -static void -xmesa_display_surface_tiled(XMesaBuffer b, const struct pipe_surface *surf) -{ - XImage *ximage = b->tempImage; - struct xm_buffer *xm_buf = xm_buffer(surf->buffer); - const uint tilesPerRow = (surf->width + TILE_SIZE - 1) / TILE_SIZE; - uint x, y; - - /* check that the XImage has been previously initialized */ - assert(ximage->format); - assert(ximage->bitmap_unit); - - /* update XImage's fields */ - ximage->width = TILE_SIZE; - ximage->height = TILE_SIZE; - ximage->bytes_per_line = TILE_SIZE * 4; - - for (y = 0; y < surf->height; y += TILE_SIZE) { - for (x = 0; x < surf->width; x += TILE_SIZE) { - int dx = x; - int dy = y; - int tx = x / TILE_SIZE; - int ty = y / TILE_SIZE; - int offset = ty * tilesPerRow + tx; - - offset *= 4 * TILE_SIZE * TILE_SIZE; - - ximage->data = (char *) xm_buf->data + offset; - - XPutImage(b->xm_visual->display, b->drawable, b->gc, - ximage, 0, 0, dx, dy, TILE_SIZE, TILE_SIZE); - } - } -} - - -/** - * Display/copy the image in the surface into the X window specified - * by the XMesaBuffer. - */ -void -xmesa_display_surface(XMesaBuffer b, const struct pipe_surface *surf) -{ - XImage *ximage = b->tempImage; - struct xm_buffer *xm_buf = xm_buffer(surf->buffer); - const struct xmesa_surface *xm_surf - = xmesa_surface((struct pipe_surface *) surf); - - if (xm_surf->tileSize) { - xmesa_display_surface_tiled(b, surf); - return; - } - - /* check that the XImage has been previously initialized */ - assert(ximage->format); - assert(ximage->bitmap_unit); - - /* update XImage's fields */ - ximage->width = surf->width; - ximage->height = surf->height; - ximage->bytes_per_line = surf->pitch * (ximage->bits_per_pixel / 8); - ximage->data = xm_buf->data; - - /* display image in Window */ - XPutImage(b->xm_visual->display, b->drawable, b->gc, - ximage, 0, 0, 0, 0, surf->width, surf->height); -} - - -static void -xm_flush_frontbuffer(struct pipe_winsys *pws, - struct pipe_surface *surf, - void *context_private) -{ - /* The Xlib driver's front color surfaces are actually X Windows so - * this flush is a no-op. - * If we instead did front buffer rendering to a temporary XImage, - * this would be the place to copy the Ximage to the on-screen Window. - */ - XMesaContext xmctx = (XMesaContext) context_private; - xmesa_display_surface(xmctx->xm_buffer, surf); -} - - - -static void -xm_printf(struct pipe_winsys *pws, const char *fmtString, ...) -{ - va_list args; - va_start( args, fmtString ); - vfprintf(stderr, fmtString, args); - va_end( args ); -} - - -static const char * -xm_get_name(struct pipe_winsys *pws) -{ - return "Xlib"; -} - - -static struct pipe_buffer * -xm_buffer_create(struct pipe_winsys *pws, - unsigned alignment, - unsigned usage, - unsigned size) -{ - struct xm_buffer *buffer = CALLOC_STRUCT(xm_buffer); - buffer->base.refcount = 1; - buffer->base.alignment = alignment; - buffer->base.usage = usage; - buffer->base.size = size; - - /* align to 16-byte multiple for Cell */ - buffer->data = align_malloc(size, max(alignment, 16)); - - return &buffer->base; -} - - -/** - * Create buffer which wraps user-space data. - */ -static struct pipe_buffer * -xm_user_buffer_create(struct pipe_winsys *pws, void *ptr, unsigned bytes) -{ - struct xm_buffer *buffer = CALLOC_STRUCT(xm_buffer); - buffer->base.refcount = 1; - buffer->base.size = bytes; - buffer->userBuffer = TRUE; - buffer->data = ptr; - - return &buffer->base; -} - - - -/** - * Round n up to next multiple. - */ -static INLINE unsigned -round_up(unsigned n, unsigned multiple) -{ - return (n + multiple - 1) & ~(multiple - 1); -} - -static int -xm_surface_alloc_storage(struct pipe_winsys *winsys, - struct pipe_surface *surf, - unsigned width, unsigned height, - enum pipe_format format, - unsigned flags) -{ - const unsigned alignment = 64; - - surf->width = width; - surf->height = height; - surf->format = format; - surf->cpp = pf_get_size(format); - surf->pitch = round_up(width, alignment / surf->cpp); - -#ifdef GALLIUM_CELL /* XXX a bit of a hack */ - height = round_up(height, TILE_SIZE); -#endif - - assert(!surf->buffer); - surf->buffer = winsys->buffer_create(winsys, alignment, - PIPE_BUFFER_USAGE_PIXEL, - surf->pitch * surf->cpp * height); - if(!surf->buffer) - return -1; - - return 0; -} - - -/** - * Called via pipe->surface_alloc() to create new surfaces (textures, - * renderbuffers, etc. - */ -static struct pipe_surface * -xm_surface_alloc(struct pipe_winsys *ws) -{ - struct xmesa_surface *xms = CALLOC_STRUCT(xmesa_surface); - - assert(ws); - - xms->surface.refcount = 1; - xms->surface.winsys = ws; - -#ifdef GALLIUM_CELL - if (!getenv("GALLIUM_NOCELL")) { - xms->tileSize = 32; /** probably temporary */ - } -#endif - - return &xms->surface; -} - - - -static void -xm_surface_release(struct pipe_winsys *winsys, struct pipe_surface **s) -{ - struct pipe_surface *surf = *s; - surf->refcount--; - if (surf->refcount == 0) { - if (surf->buffer) - pipe_buffer_reference(winsys, &surf->buffer, NULL); - free(surf); - } - *s = NULL; -} - - - -/** - * Return pointer to a pipe_winsys object. - * For Xlib, this is a singleton object. - * Nothing special for the Xlib driver so no subclassing or anything. - */ -struct pipe_winsys * -xmesa_get_pipe_winsys_aub(void) -{ - static struct pipe_winsys *ws = NULL; - - if (!ws && getenv("XM_AUB")) { - ws = xmesa_create_pipe_winsys_aub(); - } - else if (!ws) { - ws = CALLOC_STRUCT(pipe_winsys); - - /* Fill in this struct with callbacks that pipe will need to - * communicate with the window system, buffer manager, etc. - */ - ws->buffer_create = xm_buffer_create; - ws->user_buffer_create = xm_user_buffer_create; - ws->buffer_map = xm_buffer_map; - ws->buffer_unmap = xm_buffer_unmap; - ws->buffer_destroy = xm_buffer_destroy; - - ws->surface_alloc = xm_surface_alloc; - ws->surface_alloc_storage = xm_surface_alloc_storage; - ws->surface_release = xm_surface_release; - - ws->flush_frontbuffer = xm_flush_frontbuffer; - ws->printf = xm_printf; - ws->get_name = xm_get_name; - } - - return ws; -} - - -/** - * Called via softpipe_winsys->is_format_supported(). - * This function is only called to test formats for front/back color surfaces. - * The winsys being queried will have been created at glXCreateContext - * time, with a pixel format corresponding to the context's visual. - */ -static boolean -xmesa_is_format_supported(struct softpipe_winsys *sws, - enum pipe_format format) -{ - struct xmesa_softpipe_winsys *xmws = xmesa_softpipe_winsys(sws); - return (format == xmws->pixelformat); -} - - -/** - * Return pointer to a softpipe_winsys object. - */ -static struct softpipe_winsys * -xmesa_get_softpipe_winsys(uint pixelformat) -{ - struct xmesa_softpipe_winsys *xmws - = CALLOC_STRUCT(xmesa_softpipe_winsys); - if (!xmws) - return NULL; - - xmws->spws.is_format_supported = xmesa_is_format_supported; - xmws->pixelformat = pixelformat; - - return &xmws->spws; -} - - -struct pipe_context * -xmesa_create_pipe_context(XMesaContext xmesa, uint pixelformat) -{ - struct pipe_winsys *pws = xmesa_get_pipe_winsys_aub(); - struct pipe_context *pipe; - -#ifdef GALLIUM_CELL - if (!getenv("GALLIUM_NOCELL")) { - struct cell_winsys *cws = cell_get_winsys(pixelformat); - pipe = cell_create_context(pws, cws); - if (pipe) - pipe->priv = xmesa; - return pipe; - } - else -#endif - { - struct softpipe_winsys *spws = xmesa_get_softpipe_winsys(pixelformat); - pipe = softpipe_create( pws, spws ); - if (pipe) - pipe->priv = xmesa; - - return pipe; - } -} |