diff options
author | Keith Whitwell <keith@tungstengraphics.com> | 2008-09-11 16:05:15 +0100 |
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committer | Keith Whitwell <keith@tungstengraphics.com> | 2008-09-11 16:05:15 +0100 |
commit | 0397b2bb41b0f337af2949a15bcd7d0e7e8a7dc1 (patch) | |
tree | 732c93d74ed806942a13bf15575a61aa4f001253 /src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c | |
parent | 80af50b35b5a4e8890e15b28940576f8a1ac1476 (diff) | |
parent | e6887a5752774c18cf527477fdd3e57e4893ff3b (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.c | 351 |
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; +} |