diff options
Diffstat (limited to 'src/mesa/pipe/softpipe/sp_texture.c')
| -rw-r--r-- | src/mesa/pipe/softpipe/sp_texture.c | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/src/mesa/pipe/softpipe/sp_texture.c b/src/mesa/pipe/softpipe/sp_texture.c deleted file mode 100644 index 6de7a9b543..0000000000 --- a/src/mesa/pipe/softpipe/sp_texture.c +++ /dev/null @@ -1,166 +0,0 @@ -/************************************************************************** - * - * Copyright 2006 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. - * - **************************************************************************/ - /* - * Authors: - * Keith Whitwell <keith@tungstengraphics.com> - * Michel Dänzer <michel@tungstengraphics.com> - */ - -#include "pipe/p_context.h" -#include "pipe/p_defines.h" -#include "pipe/p_inlines.h" -#include "pipe/p_util.h" -#include "pipe/p_winsys.h" - -#include "sp_context.h" -#include "sp_state.h" -#include "sp_texture.h" - - -/* Simple, maximally packed layout. - */ - -static unsigned minify( unsigned d ) -{ - return MAX2(1, d>>1); -} - - -static void -softpipe_texture_layout(struct softpipe_texture * spt) -{ - struct pipe_texture *pt = &spt->base; - unsigned level; - unsigned width = pt->width[0]; - unsigned height = pt->height[0]; - unsigned depth = pt->depth[0]; - - spt->buffer_size = 0; - - for (level = 0; level <= pt->last_level; level++) { - pt->width[level] = width; - pt->height[level] = height; - pt->depth[level] = depth; - - spt->level_offset[level] = spt->buffer_size; - - spt->buffer_size += ((pt->compressed) ? MAX2(1, height/4) : height) * - ((pt->target == PIPE_TEXTURE_CUBE) ? 6 : depth) * - width * pt->cpp; - - width = minify(width); - height = minify(height); - depth = minify(depth); - } -} - - -struct pipe_texture * -softpipe_texture_create(struct pipe_context *pipe, - const struct pipe_texture *templat) -{ - struct softpipe_texture *spt = CALLOC_STRUCT(softpipe_texture); - if (!spt) - return NULL; - - spt->base = *templat; - - softpipe_texture_layout(spt); - - spt->buffer = pipe->winsys->buffer_create(pipe->winsys, 32, - PIPE_BUFFER_USAGE_PIXEL, - spt->buffer_size); - if (!spt->buffer) { - FREE(spt); - return NULL; - } - - return &spt->base; -} - - -void -softpipe_texture_release(struct pipe_context *pipe, struct pipe_texture **pt) -{ - if (!*pt) - return; - - /* - DBG("%s %p refcount will be %d\n", - __FUNCTION__, (void *) *pt, (*pt)->refcount - 1); - */ - if (--(*pt)->refcount <= 0) { - struct softpipe_texture *spt = softpipe_texture(*pt); - - /* - DBG("%s deleting %p\n", __FUNCTION__, (void *) spt); - */ - - pipe_buffer_reference(pipe->winsys, &spt->buffer, NULL); - - FREE(spt); - } - *pt = NULL; -} - - -/** - * Called via pipe->get_tex_surface() - */ -struct pipe_surface * -softpipe_get_tex_surface(struct pipe_context *pipe, - struct pipe_texture *pt, - unsigned face, unsigned level, unsigned zslice) -{ - struct softpipe_texture *spt = softpipe_texture(pt); - struct pipe_surface *ps; - - assert(level <= pt->last_level); - - ps = pipe->winsys->surface_alloc(pipe->winsys); - if (ps) { - assert(ps->refcount); - assert(ps->winsys); - pipe_buffer_reference(pipe->winsys, &ps->buffer, spt->buffer); - ps->format = pt->format; - ps->cpp = pt->cpp; - ps->width = pt->width[level]; - ps->height = pt->height[level]; - ps->pitch = ps->width; - ps->offset = spt->level_offset[level]; - - if (pt->target == PIPE_TEXTURE_CUBE || pt->target == PIPE_TEXTURE_3D) { - ps->offset += ((pt->target == PIPE_TEXTURE_CUBE) ? face : zslice) * - (pt->compressed ? ps->height/4 : ps->height) * - ps->width * ps->cpp; - } else { - assert(face == 0); - assert(zslice == 0); - } - } - return ps; -} |