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_debug.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_debug.c')
-rw-r--r-- | src/gallium/auxiliary/pipebuffer/pb_bufmgr_debug.c | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_debug.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_debug.c new file mode 100644 index 0000000000..4cb8c3bb55 --- /dev/null +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_debug.c @@ -0,0 +1,317 @@ +/************************************************************************** + * + * 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 + * Debug buffer manager to detect buffer under- and overflows. + * + * \author José Fonseca <jrfonseca@tungstengraphics.com> + */ + + +#include "pipe/p_compiler.h" +#include "pipe/p_debug.h" +#include "pipe/p_winsys.h" +#include "pipe/p_thread.h" +#include "util/u_math.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" + + +#ifdef DEBUG + + +/** + * Convenience macro (type safe). + */ +#define SUPER(__derived) (&(__derived)->base) + + +struct pb_debug_manager; + + +/** + * Wrapper around a pipe buffer which adds delayed destruction. + */ +struct pb_debug_buffer +{ + struct pb_buffer base; + + struct pb_buffer *buffer; + struct pb_debug_manager *mgr; + + size_t underflow_size; + size_t overflow_size; +}; + + +struct pb_debug_manager +{ + struct pb_manager base; + + struct pb_manager *provider; + + size_t band_size; +}; + + +static INLINE struct pb_debug_buffer * +pb_debug_buffer(struct pb_buffer *buf) +{ + assert(buf); + return (struct pb_debug_buffer *)buf; +} + + +static INLINE struct pb_debug_manager * +pb_debug_manager(struct pb_manager *mgr) +{ + assert(mgr); + return (struct pb_debug_manager *)mgr; +} + + +static const uint8_t random_pattern[32] = { + 0xaf, 0xcf, 0xa5, 0xa2, 0xc2, 0x63, 0x15, 0x1a, + 0x7e, 0xe2, 0x7e, 0x84, 0x15, 0x49, 0xa2, 0x1e, + 0x49, 0x63, 0xf5, 0x52, 0x74, 0x66, 0x9e, 0xc4, + 0x6d, 0xcf, 0x2c, 0x4a, 0x74, 0xe6, 0xfd, 0x94 +}; + + +static INLINE void +fill_random_pattern(uint8_t *dst, size_t size) +{ + size_t i = 0; + while(size--) { + *dst++ = random_pattern[i++]; + i &= sizeof(random_pattern) - 1; + } +} + + +static INLINE boolean +check_random_pattern(const uint8_t *dst, size_t size, + size_t *min_ofs, size_t *max_ofs) +{ + boolean result = TRUE; + size_t i; + *min_ofs = size; + *max_ofs = 0; + for(i = 0; i < size; ++i) { + if(*dst++ != random_pattern[i % sizeof(random_pattern)]) { + *min_ofs = MIN2(*min_ofs, i); + *max_ofs = MIN2(*max_ofs, i); + result = FALSE; + } + } + return result; +} + + +static void +pb_debug_buffer_destroy(struct pb_buffer *_buf) +{ + struct pb_debug_buffer *buf = pb_debug_buffer(_buf); + uint8_t *map; + + assert(!buf->base.base.refcount); + + map = pb_map(buf->buffer, PIPE_BUFFER_USAGE_CPU_READ); + assert(map); + if(map) { + boolean underflow, overflow; + size_t min_ofs, max_ofs; + + underflow = !check_random_pattern(map, buf->underflow_size, + &min_ofs, &max_ofs); + if(underflow) { + debug_printf("buffer underflow (%u of %u bytes) detected\n", + buf->underflow_size - min_ofs, + buf->underflow_size); + } + + overflow = !check_random_pattern(map + buf->underflow_size + buf->base.base.size, + buf->overflow_size, + &min_ofs, &max_ofs); + if(overflow) { + debug_printf("buffer overflow (%u of %u bytes) detected\n", + max_ofs, + buf->overflow_size); + } + + debug_assert(!underflow && !overflow); + + pb_unmap(buf->buffer); + } + + pb_reference(&buf->buffer, NULL); + FREE(buf); +} + + +static void * +pb_debug_buffer_map(struct pb_buffer *_buf, + unsigned flags) +{ + struct pb_debug_buffer *buf = pb_debug_buffer(_buf); + void *map = pb_map(buf->buffer, flags); + if(!map) + return NULL; + return (uint8_t *)map + buf->underflow_size; +} + + +static void +pb_debug_buffer_unmap(struct pb_buffer *_buf) +{ + struct pb_debug_buffer *buf = pb_debug_buffer(_buf); + pb_unmap(buf->buffer); +} + + +static void +pb_debug_buffer_get_base_buffer(struct pb_buffer *_buf, + struct pb_buffer **base_buf, + unsigned *offset) +{ + struct pb_debug_buffer *buf = pb_debug_buffer(_buf); + pb_get_base_buffer(buf->buffer, base_buf, offset); + *offset += buf->underflow_size; +} + + +const struct pb_vtbl +pb_debug_buffer_vtbl = { + pb_debug_buffer_destroy, + pb_debug_buffer_map, + pb_debug_buffer_unmap, + pb_debug_buffer_get_base_buffer +}; + + +static struct pb_buffer * +pb_debug_manager_create_buffer(struct pb_manager *_mgr, + size_t size, + const struct pb_desc *desc) +{ + struct pb_debug_manager *mgr = pb_debug_manager(_mgr); + struct pb_debug_buffer *buf; + struct pb_desc real_desc; + size_t real_size; + uint8_t *map; + + buf = CALLOC_STRUCT(pb_debug_buffer); + if(!buf) + return NULL; + + real_size = size + 2*mgr->band_size; + real_desc = *desc; + real_desc.usage |= PIPE_BUFFER_USAGE_CPU_WRITE; + real_desc.usage |= PIPE_BUFFER_USAGE_CPU_READ; + + buf->buffer = mgr->provider->create_buffer(mgr->provider, + real_size, + &real_desc); + if(!buf->buffer) { + FREE(buf); + return NULL; + } + + assert(buf->buffer->base.refcount >= 1); + assert(pb_check_alignment(real_desc.alignment, buf->buffer->base.alignment)); + assert(pb_check_usage(real_desc.usage, buf->buffer->base.usage)); + assert(buf->buffer->base.size >= real_size); + + buf->base.base.refcount = 1; + buf->base.base.alignment = desc->alignment; + buf->base.base.usage = desc->usage; + buf->base.base.size = size; + + buf->base.vtbl = &pb_debug_buffer_vtbl; + buf->mgr = mgr; + + buf->underflow_size = mgr->band_size; + buf->overflow_size = buf->buffer->base.size - buf->underflow_size - size; + + map = pb_map(buf->buffer, PIPE_BUFFER_USAGE_CPU_WRITE); + assert(map); + if(map) { + fill_random_pattern(map, buf->underflow_size); + fill_random_pattern(map + buf->underflow_size + size, buf->overflow_size); + pb_unmap(buf->buffer); + } + + return &buf->base; +} + + +static void +pb_debug_manager_destroy(struct pb_manager *_mgr) +{ + struct pb_debug_manager *mgr = pb_debug_manager(_mgr); + mgr->provider->destroy(mgr->provider); + FREE(mgr); +} + + +struct pb_manager * +pb_debug_manager_create(struct pb_manager *provider, size_t band_size) +{ + struct pb_debug_manager *mgr; + + if(!provider) + return NULL; + + mgr = CALLOC_STRUCT(pb_debug_manager); + if (!mgr) + return NULL; + + mgr->base.destroy = pb_debug_manager_destroy; + mgr->base.create_buffer = pb_debug_manager_create_buffer; + mgr->provider = provider; + mgr->band_size = band_size; + + return &mgr->base; +} + + +#else /* !DEBUG */ + + +struct pb_manager * +pb_debug_manager_create(struct pb_manager *provider, size_t band_size) +{ + return provider; +} + + +#endif /* !DEBUG */ |