diff options
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_texture.c')
-rw-r--r-- | src/gallium/drivers/softpipe/sp_texture.c | 404 |
1 files changed, 202 insertions, 202 deletions
diff --git a/src/gallium/drivers/softpipe/sp_texture.c b/src/gallium/drivers/softpipe/sp_texture.c index bbf2d80308..64bf353aa4 100644 --- a/src/gallium/drivers/softpipe/sp_texture.c +++ b/src/gallium/drivers/softpipe/sp_texture.c @@ -1,202 +1,202 @@ -/**************************************************************************
- *
- * 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"
-#include "sp_tile_cache.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);
- }
-}
-
-
-static struct pipe_texture *
-softpipe_texture_create_screen(struct pipe_screen *screen,
- const struct pipe_texture *templat)
-{
- struct pipe_winsys *ws = screen->winsys;
- struct softpipe_texture *spt = CALLOC_STRUCT(softpipe_texture);
- if (!spt)
- return NULL;
-
- spt->base = *templat;
- spt->base.refcount = 1;
- spt->base.screen = screen;
-
- softpipe_texture_layout(spt);
-
- spt->buffer = ws->buffer_create(ws, 32,
- PIPE_BUFFER_USAGE_PIXEL,
- spt->buffer_size);
- if (!spt->buffer) {
- FREE(spt);
- return NULL;
- }
-
- assert(spt->base.refcount == 1);
-
- return &spt->base;
-}
-
-
-static void
-softpipe_texture_release_screen(struct pipe_screen *screen,
- 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(screen->winsys, &spt->buffer, NULL);
-
- FREE(spt);
- }
- *pt = NULL;
-}
-
-
-static struct pipe_surface *
-softpipe_get_tex_surface_screen(struct pipe_screen *screen,
- struct pipe_texture *pt,
- unsigned face, unsigned level, unsigned zslice)
-{
- struct pipe_winsys *ws = screen->winsys;
- struct softpipe_texture *spt = softpipe_texture(pt);
- struct pipe_surface *ps;
-
- assert(level <= pt->last_level);
-
- ps = ws->surface_alloc(ws);
- if (ps) {
- assert(ps->refcount);
- assert(ps->winsys);
- pipe_buffer_reference(ws, &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;
-}
-
-
-static void
-softpipe_texture_update(struct pipe_context *pipe,
- struct pipe_texture *texture)
-{
- struct softpipe_context *softpipe = softpipe_context(pipe);
- uint unit;
- for (unit = 0; unit < softpipe->num_textures; unit++) {
- if (softpipe->texture[unit] == texture) {
- sp_flush_tile_cache(softpipe, softpipe->tex_cache[unit]);
- }
- }
-}
-
-
-void
-softpipe_init_texture_funcs( struct softpipe_context *softpipe )
-{
- softpipe->pipe.texture_update = softpipe_texture_update;
-}
-
-
-void
-softpipe_init_screen_texture_funcs(struct pipe_screen *screen)
-{
- screen->texture_create = softpipe_texture_create_screen;
- screen->texture_release = softpipe_texture_release_screen;
- screen->get_tex_surface = softpipe_get_tex_surface_screen;
-}
+/************************************************************************** + * + * 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" +#include "sp_tile_cache.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); + } +} + + +static struct pipe_texture * +softpipe_texture_create_screen(struct pipe_screen *screen, + const struct pipe_texture *templat) +{ + struct pipe_winsys *ws = screen->winsys; + struct softpipe_texture *spt = CALLOC_STRUCT(softpipe_texture); + if (!spt) + return NULL; + + spt->base = *templat; + spt->base.refcount = 1; + spt->base.screen = screen; + + softpipe_texture_layout(spt); + + spt->buffer = ws->buffer_create(ws, 32, + PIPE_BUFFER_USAGE_PIXEL, + spt->buffer_size); + if (!spt->buffer) { + FREE(spt); + return NULL; + } + + assert(spt->base.refcount == 1); + + return &spt->base; +} + + +static void +softpipe_texture_release_screen(struct pipe_screen *screen, + 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(screen->winsys, &spt->buffer, NULL); + + FREE(spt); + } + *pt = NULL; +} + + +static struct pipe_surface * +softpipe_get_tex_surface_screen(struct pipe_screen *screen, + struct pipe_texture *pt, + unsigned face, unsigned level, unsigned zslice) +{ + struct pipe_winsys *ws = screen->winsys; + struct softpipe_texture *spt = softpipe_texture(pt); + struct pipe_surface *ps; + + assert(level <= pt->last_level); + + ps = ws->surface_alloc(ws); + if (ps) { + assert(ps->refcount); + assert(ps->winsys); + pipe_buffer_reference(ws, &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; +} + + +static void +softpipe_texture_update(struct pipe_context *pipe, + struct pipe_texture *texture) +{ + struct softpipe_context *softpipe = softpipe_context(pipe); + uint unit; + for (unit = 0; unit < softpipe->num_textures; unit++) { + if (softpipe->texture[unit] == texture) { + sp_flush_tile_cache(softpipe, softpipe->tex_cache[unit]); + } + } +} + + +void +softpipe_init_texture_funcs( struct softpipe_context *softpipe ) +{ + softpipe->pipe.texture_update = softpipe_texture_update; +} + + +void +softpipe_init_screen_texture_funcs(struct pipe_screen *screen) +{ + screen->texture_create = softpipe_texture_create_screen; + screen->texture_release = softpipe_texture_release_screen; + screen->get_tex_surface = softpipe_get_tex_surface_screen; +} |