diff options
Diffstat (limited to 'src/gallium/winsys/xlib/xlib_cell.c')
-rw-r--r-- | src/gallium/winsys/xlib/xlib_cell.c | 401 |
1 files changed, 0 insertions, 401 deletions
diff --git a/src/gallium/winsys/xlib/xlib_cell.c b/src/gallium/winsys/xlib/xlib_cell.c deleted file mode 100644 index 1dc9e8fa11..0000000000 --- a/src/gallium/winsys/xlib/xlib_cell.c +++ /dev/null @@ -1,401 +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 "xlib.h" - -#ifdef GALLIUM_CELL - -#include "xm_api.h" - -#undef ASSERT -#undef Elements - -#include "util/u_simple_screen.h" -#include "pipe/p_format.h" -#include "pipe/p_context.h" -#include "util/u_inlines.h" -#include "util/u_format.h" -#include "util/u_math.h" -#include "util/u_memory.h" - -#include "cell/ppu/cell_context.h" -#include "cell/ppu/cell_screen.h" -#include "cell/ppu/cell_winsys.h" -#include "cell/ppu/cell_texture.h" - - -/** - * Subclass of pipe_buffer for Xlib winsys. - * 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; - - XImage *tempImage; - int shm; -}; - - -/** - * Subclass of pipe_winsys for Xlib winsys - */ -struct xmesa_pipe_winsys -{ - struct pipe_winsys base; -}; - - - -/** Cast wrapper */ -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) { - if (oldBuf->data) { - if (!oldBuf->userBuffer) { - align_free(oldBuf->data); - } - - oldBuf->data = NULL; - } - free(oldBuf); - } -} - - -/** - * For Cell. Basically, rearrange the pixels/quads from this layout: - * +--+--+--+--+ - * |p0|p1|p2|p3|.... - * +--+--+--+--+ - * - * to this layout: - * +--+--+ - * |p0|p1|.... - * +--+--+ - * |p2|p3| - * +--+--+ - */ -static void -twiddle_tile(const uint *tileIn, uint *tileOut) -{ - int y, x; - - for (y = 0; y < TILE_SIZE; y+=2) { - for (x = 0; x < TILE_SIZE; x+=2) { - int k = 4 * (y/2 * TILE_SIZE/2 + x/2); - tileOut[y * TILE_SIZE + (x + 0)] = tileIn[k]; - tileOut[y * TILE_SIZE + (x + 1)] = tileIn[k+1]; - tileOut[(y + 1) * TILE_SIZE + (x + 0)] = tileIn[k+2]; - tileOut[(y + 1) * TILE_SIZE + (x + 1)] = tileIn[k+3]; - } - } -} - - - -/** - * 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 -xlib_cell_display_surface(struct xmesa_buffer *b, struct pipe_surface *surf) -{ - XImage *ximage; - struct xm_buffer *xm_buf = xm_buffer( - cell_texture(surf->texture)->buffer); - const uint tilesPerRow = (surf->width + TILE_SIZE - 1) / TILE_SIZE; - uint x, y; - - ximage = b->tempImage; - - /* 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) { - uint tmpTile[TILE_SIZE * TILE_SIZE]; - int tx = x / TILE_SIZE; - int ty = y / TILE_SIZE; - int offset = ty * tilesPerRow + tx; - int w = TILE_SIZE; - int h = TILE_SIZE; - - if (y + h > surf->height) - h = surf->height - y; - if (x + w > surf->width) - w = surf->width - x; - - /* offset in pixels */ - offset *= TILE_SIZE * TILE_SIZE; - - /* twiddle from ximage buffer to temp tile */ - twiddle_tile((uint *) xm_buf->data + offset, tmpTile); - /* display temp tile data */ - ximage->data = (char *) tmpTile; - XPutImage(b->xm_visual->display, b->drawable, b->gc, - ximage, 0, 0, x, y, w, h); - } - } -} - - - - - -static void -xm_flush_frontbuffer(struct pipe_winsys *pws, - struct pipe_surface *surf, - void *context_private) -{ - /* - * The front color buffer is actually just another XImage buffer. - * This function copies that XImage to the actual X Window. - */ - XMesaContext xmctx = (XMesaContext) context_private; - if (xmctx) - xlib_cell_display_surface(xmctx->xm_buffer, surf); -} - - - -static const char * -xm_get_name(struct pipe_winsys *pws) -{ - return "Xlib/Cell"; -} - - -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); - - pipe_reference_init(&buffer->base.reference, 1); - buffer->base.alignment = alignment; - buffer->base.usage = usage; - buffer->base.size = size; - - - if (buffer->data == NULL) { - buffer->shm = 0; - - /* 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); - pipe_reference_init(&buffer->base.reference, 1); - buffer->base.size = bytes; - buffer->userBuffer = TRUE; - buffer->data = ptr; - buffer->shm = 0; - - return &buffer->base; -} - - - -static struct pipe_buffer * -xm_surface_buffer_create(struct pipe_winsys *winsys, - unsigned width, unsigned height, - enum pipe_format format, - unsigned usage, - unsigned tex_usage, - unsigned *stride) -{ - const unsigned alignment = 64; - unsigned nblocksy; - - nblocksy = util_format_get_nblocksy(format, height); - *stride = align(util_format_get_stride(format, width), alignment); - - return winsys->buffer_create(winsys, alignment, - usage, - /* XXX a bit of a hack */ - *stride * align(nblocksy, TILE_SIZE)); -} - - -/* - * Fence functions - basically nothing to do, as we don't create any actual - * fence objects. - */ - -static void -xm_fence_reference(struct pipe_winsys *sws, struct pipe_fence_handle **ptr, - struct pipe_fence_handle *fence) -{ -} - - -static int -xm_fence_signalled(struct pipe_winsys *sws, struct pipe_fence_handle *fence, - unsigned flag) -{ - return 0; -} - - -static int -xm_fence_finish(struct pipe_winsys *sws, struct pipe_fence_handle *fence, - unsigned flag) -{ - return 0; -} - - - -static struct pipe_winsys * -xlib_create_cell_winsys( void ) -{ - static struct xmesa_pipe_winsys *ws = NULL; - - if (!ws) { - ws = CALLOC_STRUCT(xmesa_pipe_winsys); - - /* Fill in this struct with callbacks that pipe will need to - * communicate with the window system, buffer manager, etc. - */ - ws->base.buffer_create = xm_buffer_create; - ws->base.user_buffer_create = xm_user_buffer_create; - ws->base.buffer_map = xm_buffer_map; - ws->base.buffer_unmap = xm_buffer_unmap; - ws->base.buffer_destroy = xm_buffer_destroy; - - ws->base.surface_buffer_create = xm_surface_buffer_create; - - ws->base.fence_reference = xm_fence_reference; - ws->base.fence_signalled = xm_fence_signalled; - ws->base.fence_finish = xm_fence_finish; - - ws->base.flush_frontbuffer = xm_flush_frontbuffer; - ws->base.get_name = xm_get_name; - } - - return &ws->base; -} - - -static struct pipe_screen * -xlib_create_cell_screen( void ) -{ - struct pipe_winsys *winsys; - struct pipe_screen *screen; - - winsys = xlib_create_cell_winsys(); - if (winsys == NULL) - return NULL; - - screen = cell_create_screen(winsys); - if (screen == NULL) - goto fail; - - return screen; - -fail: - if (winsys) - winsys->destroy( winsys ); - - return NULL; -} - - - -struct xm_driver xlib_cell_driver = -{ - .create_pipe_screen = xlib_create_cell_screen, - .display_surface = xlib_cell_display_surface, -}; - -#else - -struct xm_driver xlib_cell_driver = -{ - .create_pipe_screen = NULL, - .display_surface = NULL, -}; - -#endif |