diff options
author | Ben Skeggs <skeggsb@gmail.com> | 2008-03-13 13:39:05 +1100 |
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committer | Ben Skeggs <skeggsb@gmail.com> | 2008-03-13 13:39:05 +1100 |
commit | 03ec66375889f049b09f39ba98515aa35ac48164 (patch) | |
tree | e149d8defb52b1252af982b459902ee0800b17cd /src/gallium/drivers/softpipe/sp_texture.c | |
parent | bd4fe0e87c1b979973d9a76aa48de5fbbb8d52b7 (diff) | |
parent | 2366bb1baf2e9ae5b6ecf19f66ae9e0a4b0d2f36 (diff) |
Merge remote branch 'upstream/gallium-0.1' into nouveau-gallium-0.1
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 c605ed925b..bbf2d80308 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 < PIPE_MAX_SAMPLERS; 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;
+}
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