diff options
Diffstat (limited to 'src/gallium/auxiliary/pipebuffer')
| -rw-r--r-- | src/gallium/auxiliary/pipebuffer/Makefile | 1 | ||||
| -rw-r--r-- | src/gallium/auxiliary/pipebuffer/SConscript | 1 | ||||
| -rw-r--r-- | src/gallium/auxiliary/pipebuffer/pb_validate.c | 170 | ||||
| -rw-r--r-- | src/gallium/auxiliary/pipebuffer/pb_validate.h | 91 |
4 files changed, 263 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/pipebuffer/Makefile b/src/gallium/auxiliary/pipebuffer/Makefile index d654dbcc919..ff09011b660 100644 --- a/src/gallium/auxiliary/pipebuffer/Makefile +++ b/src/gallium/auxiliary/pipebuffer/Makefile @@ -11,6 +11,7 @@ C_SOURCES = \ pb_bufmgr_mm.c \ pb_bufmgr_pool.c \ pb_bufmgr_slab.c \ + pb_validate.c \ pb_winsys.c include ../../Makefile.template diff --git a/src/gallium/auxiliary/pipebuffer/SConscript b/src/gallium/auxiliary/pipebuffer/SConscript index 604a217982e..9db0c0eae3b 100644 --- a/src/gallium/auxiliary/pipebuffer/SConscript +++ b/src/gallium/auxiliary/pipebuffer/SConscript @@ -10,6 +10,7 @@ pipebuffer = env.ConvenienceLibrary( 'pb_bufmgr_mm.c', 'pb_bufmgr_pool.c', 'pb_bufmgr_slab.c', + 'pb_validate.c', 'pb_winsys.c', ]) diff --git a/src/gallium/auxiliary/pipebuffer/pb_validate.c b/src/gallium/auxiliary/pipebuffer/pb_validate.c new file mode 100644 index 00000000000..a0a0965a462 --- /dev/null +++ b/src/gallium/auxiliary/pipebuffer/pb_validate.c @@ -0,0 +1,170 @@ +/************************************************************************** + * + * Copyright 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 validation. + * + * @author Jose Fonseca <[email protected]> + */ + + +#include "pipe/p_compiler.h" +#include "pipe/p_error.h" +#include "pipe/p_util.h" +#include "pipe/p_debug.h" + +#include "util/u_hash_table.h" + +#include "pb_buffer.h" +#include "pb_buffer_fenced.h" + + +struct pb_validate +{ + struct hash_table *buffer_table; +}; + + +static unsigned buffer_table_hash(void *pb_buf) +{ + return (unsigned)(uintptr_t)pb_buf; +} + + +static int buffer_table_compare(void *pb_buf1, void *pb_buf2) +{ + return (char *)pb_buf2 - (char *)pb_buf1; +} + + +enum pipe_error +pb_validate_add_buffer(struct pb_validate *vl, + struct pb_buffer *buf) +{ + enum pipe_error ret; + + assert(buf); + if(!buf) + return PIPE_ERROR; + + if(!hash_table_get(vl->buffer_table, buf)) { + struct pb_buffer *tmp = NULL; + + ret = hash_table_set(vl->buffer_table, buf, buf); + if(ret != PIPE_OK) + return ret; + + /* Increment reference count */ + pb_reference(&tmp, buf); + } + + return PIPE_OK; +} + + +enum pipe_error +pb_validate_validate(struct pb_validate *vl) +{ + /* FIXME: go through each buffer, ensure its not mapped, its address is + * available -- requires a new pb_buffer interface */ + return PIPE_OK; +} + + +struct pb_validate_fence_data { + struct pb_validate *vl; + struct pipe_fence_handle *fence; +}; + + +static enum pipe_error +pb_validate_fence_cb(void *key, void *value, void *_data) +{ + struct pb_buffer *buf = (struct pb_buffer *)key; + struct pb_validate_fence_data *data = (struct pb_validate_fence_data *)_data; + struct pb_validate *vl = data->vl; + struct pipe_fence_handle *fence = data->fence; + + assert(value == key); + + buffer_fence(buf, fence); + + /* Decrement the reference count -- table entry destroyed later */ + pb_reference(&buf, NULL); + + return PIPE_OK; +} + + +void +pb_validate_fence(struct pb_validate *vl, + struct pipe_fence_handle *fence) +{ + struct pb_validate_fence_data data; + + data.vl = vl; + data.fence = fence; + + hash_table_foreach(vl->buffer_table, + pb_validate_fence_cb, + &data); + + /* FIXME: cso_hash shrinks here, which is not desirable in this use case, + * as it will be refilled right soon */ + hash_table_clear(vl->buffer_table); +} + + +void +pb_validate_destroy(struct pb_validate *vl) +{ + pb_validate_fence(vl, NULL); + hash_table_destroy(vl->buffer_table); + FREE(vl); +} + + +struct pb_validate * +pb_validate_create() +{ + struct pb_validate *vl; + + vl = CALLOC_STRUCT(pb_validate); + if(!vl) + return NULL; + + vl->buffer_table = hash_table_create(buffer_table_hash, + buffer_table_compare); + if(!vl->buffer_table) { + FREE(vl); + return NULL; + } + + return vl; +} + diff --git a/src/gallium/auxiliary/pipebuffer/pb_validate.h b/src/gallium/auxiliary/pipebuffer/pb_validate.h new file mode 100644 index 00000000000..b0f05d3119d --- /dev/null +++ b/src/gallium/auxiliary/pipebuffer/pb_validate.h @@ -0,0 +1,91 @@ +/************************************************************************** + * + * Copyright 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 validation. + * + * @author Jose Fonseca <[email protected]> + */ + +#ifndef PB_VALIDATE_H_ +#define PB_VALIDATE_H_ + + +#include "pipe/p_compiler.h" +#include "pipe/p_error.h" + +#ifdef __cplusplus +extern "C" { +#endif + + +struct pb_buffer; +struct pipe_fence_handle; + + +/** + * Buffer validation list. + * + * It holds a list of buffers to be validated and fenced when flushing. + */ +struct pb_validate; + + +enum pipe_error +pb_validate_add_buffer(struct pb_validate *vl, + struct pb_buffer *buf); + +/** + * Validate all buffers for hardware access. + * + * Should be called right before issuing commands to the hardware. + */ +enum pipe_error +pb_validate_validate(struct pb_validate *vl); + +/** + * Fence all buffers and clear the list. + * + * Should be called right before issuing commands to the hardware. + */ +void +pb_validate_fence(struct pb_validate *vl, + struct pipe_fence_handle *fence); + +struct pb_validate * +pb_validate_create(); + +void +pb_validate_destroy(struct pb_validate *vl); + + +#ifdef __cplusplus +} +#endif + +#endif /*PB_VALIDATE_H_*/ |