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authorKeith Whitwell <keith@tungstengraphics.com>2008-09-11 16:05:15 +0100
committerKeith Whitwell <keith@tungstengraphics.com>2008-09-11 16:05:15 +0100
commit0397b2bb41b0f337af2949a15bcd7d0e7e8a7dc1 (patch)
tree732c93d74ed806942a13bf15575a61aa4f001253 /src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c
parent80af50b35b5a4e8890e15b28940576f8a1ac1476 (diff)
parente6887a5752774c18cf527477fdd3e57e4893ff3b (diff)
Merge branch 'gallium-0.1' into gallium-0.2
A first attempt at moving gallium onto a branch directly off master... It will be interesting to see how much work this takes to get running. Have resolved the conflicts semi-arbitarily, not compiled or tested. Conflicts: .gitignore Makefile configs/config.mgw configs/darwin configs/darwin-x86ppc configs/default configs/freebsd-dri configs/linux-dri configs/linux-dri-xcb configs/linux-fbdev configs/linux-static configs/linux-x86-64-static configs/linux-x86-static doxygen/Makefile include/GL/gl.h progs/demos/Makefile progs/demos/descrip.mms progs/demos/texenv.c progs/egl/.gitignore progs/egl/Makefile progs/glsl/.gitignore progs/glsl/Makefile progs/glsl/convolutions.c progs/samples/Makefile.mgw progs/tests/.gitignore progs/trivial/.gitignore progs/trivial/point-param.c progs/trivial/tri.c progs/xdemos/.gitignore progs/xdemos/glthreads.c src/egl/drivers/demo/Makefile src/egl/drivers/dri/Makefile src/egl/main/Makefile src/glu/Makefile src/glu/sgi/Makefile src/glu/sgi/Makefile.mgw src/glut/glx/Makefile.mgw src/glut/os2/WarpWin.cpp src/glut/os2/glut_cindex.cpp src/glut/os2/glut_gamemode.cpp src/glut/os2/glut_win.cpp src/glut/os2/glut_winmisc.cpp src/glut/os2/os2_glx.cpp src/glut/os2/os2_menu.cpp src/glut/os2/os2_winproc.cpp src/glw/Makefile src/glx/x11/dri_glx.c src/glx/x11/glxext.c src/mesa/Makefile src/mesa/Makefile.mgw src/mesa/descrip.mms src/mesa/drivers/beos/Makefile src/mesa/drivers/common/descrip.mms src/mesa/drivers/common/driverfuncs.c src/mesa/drivers/directfb/Makefile src/mesa/drivers/dri/Makefile.template src/mesa/drivers/dri/common/dri_bufmgr.c src/mesa/drivers/dri/common/dri_bufmgr.h src/mesa/drivers/dri/common/dri_util.c src/mesa/drivers/dri/common/extension_helper.h src/mesa/drivers/dri/common/mmio.h src/mesa/drivers/dri/common/utils.c src/mesa/drivers/dri/common/utils.h src/mesa/drivers/dri/glcore/Makefile src/mesa/drivers/dri/i810/i810screen.c src/mesa/drivers/dri/i915/intel_ioctl.c src/mesa/drivers/dri/i915/intel_ioctl.h src/mesa/drivers/dri/i915/intel_screen.c src/mesa/drivers/dri/i915/server/i830_common.h src/mesa/drivers/dri/i915/server/i830_dri.h src/mesa/drivers/dri/i965/intel_screen.c src/mesa/drivers/dri/i965/server/i830_common.h src/mesa/drivers/dri/i965/server/i830_dri.h src/mesa/drivers/dri/mach64/mach64_screen.c src/mesa/drivers/dri/nouveau/nouveau_context.h src/mesa/drivers/dri/nouveau/nouveau_fifo.c src/mesa/drivers/dri/nouveau/nouveau_fifo.h src/mesa/drivers/dri/nouveau/nouveau_screen.c src/mesa/drivers/dri/nouveau/nouveau_screen.h src/mesa/drivers/dri/r128/r128_tex.h src/mesa/drivers/dri/savage/savageioctl.h src/mesa/drivers/fbdev/Makefile src/mesa/drivers/osmesa/Makefile src/mesa/drivers/osmesa/descrip.mms src/mesa/drivers/x11/Makefile src/mesa/drivers/x11/descrip.mms src/mesa/drivers/x11/xm_dd.c src/mesa/glapi/glapi.c src/mesa/glapi/glthread.c src/mesa/main/api_validate.c src/mesa/main/attrib.c src/mesa/main/bufferobj.c src/mesa/main/bufferobj.h src/mesa/main/buffers.c src/mesa/main/config.h src/mesa/main/context.c src/mesa/main/descrip.mms src/mesa/main/drawpix.c src/mesa/main/enums.c src/mesa/main/fbobject.c src/mesa/main/glheader.h src/mesa/main/imports.c src/mesa/main/mipmap.c src/mesa/main/mm.c src/mesa/main/mm.h src/mesa/main/mtypes.h src/mesa/main/points.c src/mesa/main/sources src/mesa/main/state.c src/mesa/main/texcompress_fxt1.c src/mesa/main/texenvprogram.c src/mesa/main/texobj.c src/mesa/main/texstate.c src/mesa/main/texstore.c src/mesa/math/descrip.mms src/mesa/shader/arbprogram.c src/mesa/shader/descrip.mms src/mesa/shader/prog_execute.c src/mesa/shader/prog_statevars.c src/mesa/shader/prog_statevars.h src/mesa/shader/prog_uniform.c src/mesa/shader/program.c src/mesa/shader/program.h src/mesa/shader/shader_api.c src/mesa/shader/slang/descrip.mms src/mesa/shader/slang/library/slang_vertex_builtin_gc.h src/mesa/sources src/mesa/swrast/descrip.mms src/mesa/swrast/s_drawpix.c src/mesa/swrast/s_fragprog.c src/mesa/swrast/s_readpix.c src/mesa/swrast/s_span.c src/mesa/swrast_setup/descrip.mms src/mesa/tnl/descrip.mms src/mesa/tnl/t_context.h src/mesa/tnl/t_vp_build.c src/mesa/tnl/tnl.h src/mesa/vbo/descrip.mms src/mesa/vbo/vbo_context.c src/mesa/vbo/vbo_exec_array.c src/mesa/x86-64/xform4.S src/mesa/x86/rtasm/x86sse.c src/mesa/x86/rtasm/x86sse.h windows/VC6/progs/glut/glut.dsp windows/VC7/mesa/gdi/gdi.vcproj windows/VC7/mesa/glu/glu.vcproj windows/VC7/mesa/mesa.sln windows/VC7/mesa/mesa/mesa.vcproj windows/VC7/mesa/osmesa/osmesa.vcproj windows/VC7/progs/glut/glut.vcproj windows/VC8/mesa/gdi/gdi.vcproj windows/VC8/mesa/glu/glu.vcproj windows/VC8/mesa/mesa.sln windows/VC8/mesa/mesa/mesa.vcproj windows/VC8/progs/glut/glut.vcproj
Diffstat (limited to 'src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c')
-rw-r--r--src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c351
1 files changed, 351 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c
new file mode 100644
index 0000000000..b914c2d0fe
--- /dev/null
+++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c
@@ -0,0 +1,351 @@
+/**************************************************************************
+ *
+ * Copyright 2007-2008 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.
+ *
+ **************************************************************************/
+
+/**
+ * \file
+ * Buffer cache.
+ *
+ * \author José Fonseca <jrfonseca-at-tungstengraphics-dot-com>
+ * \author Thomas Hellström <thomas-at-tungstengraphics-dot-com>
+ */
+
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_debug.h"
+#include "pipe/p_winsys.h"
+#include "pipe/p_thread.h"
+#include "util/u_memory.h"
+#include "util/u_double_list.h"
+#include "util/u_time.h"
+
+#include "pb_buffer.h"
+#include "pb_bufmgr.h"
+
+
+/**
+ * Convenience macro (type safe).
+ */
+#define SUPER(__derived) (&(__derived)->base)
+
+
+struct pb_cache_manager;
+
+
+/**
+ * Wrapper around a pipe buffer which adds delayed destruction.
+ */
+struct pb_cache_buffer
+{
+ struct pb_buffer base;
+
+ struct pb_buffer *buffer;
+ struct pb_cache_manager *mgr;
+
+ /** Caching time interval */
+ struct util_time start, end;
+
+ struct list_head head;
+};
+
+
+struct pb_cache_manager
+{
+ struct pb_manager base;
+
+ struct pb_manager *provider;
+ unsigned usecs;
+
+ _glthread_Mutex mutex;
+
+ struct list_head delayed;
+ size_t numDelayed;
+};
+
+
+static INLINE struct pb_cache_buffer *
+pb_cache_buffer(struct pb_buffer *buf)
+{
+ assert(buf);
+ return (struct pb_cache_buffer *)buf;
+}
+
+
+static INLINE struct pb_cache_manager *
+pb_cache_manager(struct pb_manager *mgr)
+{
+ assert(mgr);
+ return (struct pb_cache_manager *)mgr;
+}
+
+
+/**
+ * Actually destroy the buffer.
+ */
+static INLINE void
+_pb_cache_buffer_destroy(struct pb_cache_buffer *buf)
+{
+ struct pb_cache_manager *mgr = buf->mgr;
+
+ LIST_DEL(&buf->head);
+ assert(mgr->numDelayed);
+ --mgr->numDelayed;
+ assert(!buf->base.base.refcount);
+ pb_reference(&buf->buffer, NULL);
+ FREE(buf);
+}
+
+
+/**
+ * Free as many cache buffers from the list head as possible.
+ */
+static void
+_pb_cache_buffer_list_check_free(struct pb_cache_manager *mgr)
+{
+ struct list_head *curr, *next;
+ struct pb_cache_buffer *buf;
+ struct util_time now;
+
+ util_time_get(&now);
+
+ curr = mgr->delayed.next;
+ next = curr->next;
+ while(curr != &mgr->delayed) {
+ buf = LIST_ENTRY(struct pb_cache_buffer, curr, head);
+
+ if(!util_time_timeout(&buf->start, &buf->end, &now))
+ break;
+
+ _pb_cache_buffer_destroy(buf);
+
+ curr = next;
+ next = curr->next;
+ }
+}
+
+
+static void
+pb_cache_buffer_destroy(struct pb_buffer *_buf)
+{
+ struct pb_cache_buffer *buf = pb_cache_buffer(_buf);
+ struct pb_cache_manager *mgr = buf->mgr;
+
+ _glthread_LOCK_MUTEX(mgr->mutex);
+ assert(buf->base.base.refcount == 0);
+
+ _pb_cache_buffer_list_check_free(mgr);
+
+ util_time_get(&buf->start);
+ util_time_add(&buf->start, mgr->usecs, &buf->end);
+ LIST_ADDTAIL(&buf->head, &mgr->delayed);
+ ++mgr->numDelayed;
+ _glthread_UNLOCK_MUTEX(mgr->mutex);
+}
+
+
+static void *
+pb_cache_buffer_map(struct pb_buffer *_buf,
+ unsigned flags)
+{
+ struct pb_cache_buffer *buf = pb_cache_buffer(_buf);
+ return pb_map(buf->buffer, flags);
+}
+
+
+static void
+pb_cache_buffer_unmap(struct pb_buffer *_buf)
+{
+ struct pb_cache_buffer *buf = pb_cache_buffer(_buf);
+ pb_unmap(buf->buffer);
+}
+
+
+static void
+pb_cache_buffer_get_base_buffer(struct pb_buffer *_buf,
+ struct pb_buffer **base_buf,
+ unsigned *offset)
+{
+ struct pb_cache_buffer *buf = pb_cache_buffer(_buf);
+ pb_get_base_buffer(buf->buffer, base_buf, offset);
+}
+
+
+const struct pb_vtbl
+pb_cache_buffer_vtbl = {
+ pb_cache_buffer_destroy,
+ pb_cache_buffer_map,
+ pb_cache_buffer_unmap,
+ pb_cache_buffer_get_base_buffer
+};
+
+
+static INLINE boolean
+pb_cache_is_buffer_compat(struct pb_cache_buffer *buf,
+ size_t size,
+ const struct pb_desc *desc)
+{
+ if(buf->base.base.size < size)
+ return FALSE;
+
+ /* be lenient with size */
+ if(buf->base.base.size >= 2*size)
+ return FALSE;
+
+ if(!pb_check_alignment(desc->alignment, buf->base.base.alignment))
+ return FALSE;
+
+ if(!pb_check_usage(desc->usage, buf->base.base.usage))
+ return FALSE;
+
+ return TRUE;
+}
+
+
+static struct pb_buffer *
+pb_cache_manager_create_buffer(struct pb_manager *_mgr,
+ size_t size,
+ const struct pb_desc *desc)
+{
+ struct pb_cache_manager *mgr = pb_cache_manager(_mgr);
+ struct pb_cache_buffer *buf;
+ struct pb_cache_buffer *curr_buf;
+ struct list_head *curr, *next;
+ struct util_time now;
+
+ _glthread_LOCK_MUTEX(mgr->mutex);
+
+ buf = NULL;
+ curr = mgr->delayed.next;
+ next = curr->next;
+
+ /* search in the expired buffers, freeing them in the process */
+ util_time_get(&now);
+ while(curr != &mgr->delayed) {
+ curr_buf = LIST_ENTRY(struct pb_cache_buffer, curr, head);
+ if(!buf && pb_cache_is_buffer_compat(curr_buf, size, desc))
+ buf = curr_buf;
+ else if(util_time_timeout(&curr_buf->start, &curr_buf->end, &now))
+ _pb_cache_buffer_destroy(curr_buf);
+ curr = next;
+ next = curr->next;
+ }
+
+ /* keep searching in the hot buffers */
+ while(!buf && curr != &mgr->delayed) {
+ curr_buf = LIST_ENTRY(struct pb_cache_buffer, curr, head);
+ if(pb_cache_is_buffer_compat(curr_buf, size, desc))
+ buf = curr_buf;
+ curr = next;
+ next = curr->next;
+ }
+
+ if(buf) {
+ LIST_DEL(&buf->head);
+ _glthread_UNLOCK_MUTEX(mgr->mutex);
+ ++buf->base.base.refcount;
+ return &buf->base;
+ }
+
+ _glthread_UNLOCK_MUTEX(mgr->mutex);
+
+ buf = CALLOC_STRUCT(pb_cache_buffer);
+ if(!buf)
+ return NULL;
+
+ buf->buffer = mgr->provider->create_buffer(mgr->provider, size, desc);
+ if(!buf->buffer) {
+ FREE(buf);
+ return NULL;
+ }
+
+ assert(buf->buffer->base.refcount >= 1);
+ assert(pb_check_alignment(desc->alignment, buf->buffer->base.alignment));
+ assert(pb_check_usage(desc->usage, buf->buffer->base.usage));
+ assert(buf->buffer->base.size >= size);
+
+ buf->base.base.refcount = 1;
+ buf->base.base.alignment = buf->buffer->base.alignment;
+ buf->base.base.usage = buf->buffer->base.usage;
+ buf->base.base.size = buf->buffer->base.size;
+
+ buf->base.vtbl = &pb_cache_buffer_vtbl;
+ buf->mgr = mgr;
+
+ return &buf->base;
+}
+
+
+void
+pb_cache_flush(struct pb_manager *_mgr)
+{
+ struct pb_cache_manager *mgr = pb_cache_manager(_mgr);
+ struct list_head *curr, *next;
+ struct pb_cache_buffer *buf;
+
+ _glthread_LOCK_MUTEX(mgr->mutex);
+ curr = mgr->delayed.next;
+ next = curr->next;
+ while(curr != &mgr->delayed) {
+ buf = LIST_ENTRY(struct pb_cache_buffer, curr, head);
+ _pb_cache_buffer_destroy(buf);
+ curr = next;
+ next = curr->next;
+ }
+ _glthread_UNLOCK_MUTEX(mgr->mutex);
+}
+
+
+static void
+pb_cache_manager_destroy(struct pb_manager *mgr)
+{
+ pb_cache_flush(mgr);
+ FREE(mgr);
+}
+
+
+struct pb_manager *
+pb_cache_manager_create(struct pb_manager *provider,
+ unsigned usecs)
+{
+ struct pb_cache_manager *mgr;
+
+ if(!provider)
+ return NULL;
+
+ mgr = CALLOC_STRUCT(pb_cache_manager);
+ if (!mgr)
+ return NULL;
+
+ mgr->base.destroy = pb_cache_manager_destroy;
+ mgr->base.create_buffer = pb_cache_manager_create_buffer;
+ mgr->provider = provider;
+ mgr->usecs = usecs;
+ LIST_INITHEAD(&mgr->delayed);
+ mgr->numDelayed = 0;
+ _glthread_INIT_MUTEX(mgr->mutex);
+
+ return &mgr->base;
+}