KonstantinSeurer
/
mesa
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

pipebuffer: Allow asymmetric guard sizes for under/overflow detection.

This commit is contained in:
José Fonseca 2009-02-24 15:49:21 +00:00
parent 8f3c1cddaa
commit 0be216c526
2 changed files with 13 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/gallium/auxiliary/pipebuffer/pb_bufmgr.h
View File

@ -200,10 +200,11 @@ pb_ondemand_manager_create(struct pb_manager *provider);
/**
* Debug buffer manager to detect buffer under- and overflows.
*
* Band size should be a multiple of the largest alignment
* Under/overflow sizes should be a multiple of the largest alignment
*/
struct pb_manager *
pb_debug_manager_create(struct pb_manager *provider, size_t band_size);
pb_debug_manager_create(struct pb_manager *provider,
size_t underflow_size, size_t overflow_size);
#ifdef __cplusplus

16
src/gallium/auxiliary/pipebuffer/pb_bufmgr_debug.c
View File

@ -78,7 +78,8 @@ struct pb_debug_manager
struct pb_manager *provider;
size_t band_size;
size_t underflow_size;
size_t overflow_size;
};
@ -301,7 +302,7 @@ pb_debug_manager_create_buffer(struct pb_manager *_mgr,
if(!buf)
return NULL;
real_size = size + 2*mgr->band_size;
real_size = mgr->underflow_size + size + mgr->overflow_size;
real_desc = *desc;
real_desc.usage |= PIPE_BUFFER_USAGE_CPU_WRITE;
real_desc.usage |= PIPE_BUFFER_USAGE_CPU_READ;
@ -327,7 +328,7 @@ pb_debug_manager_create_buffer(struct pb_manager *_mgr,
buf->base.vtbl = &pb_debug_buffer_vtbl;
buf->mgr = mgr;
buf->underflow_size = mgr->band_size;
buf->underflow_size = mgr->underflow_size;
buf->overflow_size = buf->buffer->base.size - buf->underflow_size - size;
pb_debug_buffer_fill(buf);
@ -356,7 +357,8 @@ pb_debug_manager_destroy(struct pb_manager *_mgr)
struct pb_manager *
pb_debug_manager_create(struct pb_manager *provider, size_t band_size)
pb_debug_manager_create(struct pb_manager *provider,
size_t underflow_size, size_t overflow_size)
{
struct pb_debug_manager *mgr;
@ -371,7 +373,8 @@ pb_debug_manager_create(struct pb_manager *provider, size_t band_size)
mgr->base.create_buffer = pb_debug_manager_create_buffer;
mgr->base.flush = pb_debug_manager_flush;
mgr->provider = provider;
mgr->band_size = band_size;
mgr->underflow_size = underflow_size;
mgr->overflow_size = overflow_size;
return &mgr->base;
}
@ -381,7 +384,8 @@ pb_debug_manager_create(struct pb_manager *provider, size_t band_size)
struct pb_manager *
pb_debug_manager_create(struct pb_manager *provider, size_t band_size)
pb_debug_manager_create(struct pb_manager *provider,
size_t underflow_size, size_t overflow_size)
{
return provider;
}