0,0 → 1,265 |
/************************************************************************** |
* |
* Copyright 2006 VMware, Inc. |
* 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 VMWARE 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. |
* |
**************************************************************************/ |
|
#include "intel_context.h" |
#include "intel_batchbuffer.h" |
#include "intel_buffer_objects.h" |
#include "intel_reg.h" |
#include "intel_bufmgr.h" |
#include "intel_buffers.h" |
|
static void |
intel_batchbuffer_reset(struct intel_context *intel); |
|
void |
intel_batchbuffer_init(struct intel_context *intel) |
{ |
intel_batchbuffer_reset(intel); |
|
intel->batch.cpu_map = malloc(intel->maxBatchSize); |
intel->batch.map = intel->batch.cpu_map; |
} |
|
static void |
intel_batchbuffer_reset(struct intel_context *intel) |
{ |
if (intel->batch.last_bo != NULL) { |
drm_intel_bo_unreference(intel->batch.last_bo); |
intel->batch.last_bo = NULL; |
} |
intel->batch.last_bo = intel->batch.bo; |
|
intel->batch.bo = drm_intel_bo_alloc(intel->bufmgr, "batchbuffer", |
intel->maxBatchSize, 4096); |
|
intel->batch.reserved_space = BATCH_RESERVED; |
intel->batch.used = 0; |
} |
|
void |
intel_batchbuffer_free(struct intel_context *intel) |
{ |
free(intel->batch.cpu_map); |
drm_intel_bo_unreference(intel->batch.last_bo); |
drm_intel_bo_unreference(intel->batch.bo); |
} |
|
static void |
do_batch_dump(struct intel_context *intel) |
{ |
struct drm_intel_decode *decode; |
struct intel_batchbuffer *batch = &intel->batch; |
int ret; |
|
decode = drm_intel_decode_context_alloc(intel->intelScreen->deviceID); |
if (!decode) |
return; |
|
ret = drm_intel_bo_map(batch->bo, false); |
if (ret == 0) { |
drm_intel_decode_set_batch_pointer(decode, |
batch->bo->virtual, |
batch->bo->offset, |
batch->used); |
} else { |
fprintf(stderr, |
"WARNING: failed to map batchbuffer (%s), " |
"dumping uploaded data instead.\n", strerror(ret)); |
|
drm_intel_decode_set_batch_pointer(decode, |
batch->map, |
batch->bo->offset, |
batch->used); |
} |
|
drm_intel_decode(decode); |
|
drm_intel_decode_context_free(decode); |
|
if (ret == 0) { |
drm_intel_bo_unmap(batch->bo); |
|
if (intel->vtbl.debug_batch != NULL) |
intel->vtbl.debug_batch(intel); |
} |
} |
|
/* TODO: Push this whole function into bufmgr. |
*/ |
static int |
do_flush_locked(struct intel_context *intel) |
{ |
struct intel_batchbuffer *batch = &intel->batch; |
int ret = 0; |
|
ret = drm_intel_bo_subdata(batch->bo, 0, 4*batch->used, batch->map); |
|
if (!intel->intelScreen->no_hw) { |
if (ret == 0) { |
if (unlikely(INTEL_DEBUG & DEBUG_AUB) && intel->vtbl.annotate_aub) |
intel->vtbl.annotate_aub(intel); |
ret = drm_intel_bo_mrb_exec(batch->bo, 4 * batch->used, NULL, 0, 0, |
I915_EXEC_RENDER); |
} |
} |
|
if (unlikely(INTEL_DEBUG & DEBUG_BATCH)) |
do_batch_dump(intel); |
|
if (ret != 0) { |
fprintf(stderr, "intel_do_flush_locked failed: %s\n", strerror(-ret)); |
exit(1); |
} |
intel->vtbl.new_batch(intel); |
|
return ret; |
} |
|
int |
_intel_batchbuffer_flush(struct intel_context *intel, |
const char *file, int line) |
{ |
int ret; |
|
if (intel->batch.used == 0) |
return 0; |
|
if (intel->first_post_swapbuffers_batch == NULL) { |
intel->first_post_swapbuffers_batch = intel->batch.bo; |
drm_intel_bo_reference(intel->first_post_swapbuffers_batch); |
} |
|
if (unlikely(INTEL_DEBUG & DEBUG_BATCH)) |
fprintf(stderr, "%s:%d: Batchbuffer flush with %db used\n", file, line, |
4*intel->batch.used); |
|
intel->batch.reserved_space = 0; |
|
if (intel->vtbl.finish_batch) |
intel->vtbl.finish_batch(intel); |
|
/* Mark the end of the buffer. */ |
intel_batchbuffer_emit_dword(intel, MI_BATCH_BUFFER_END); |
if (intel->batch.used & 1) { |
/* Round batchbuffer usage to 2 DWORDs. */ |
intel_batchbuffer_emit_dword(intel, MI_NOOP); |
} |
|
intel_upload_finish(intel); |
|
/* Check that we didn't just wrap our batchbuffer at a bad time. */ |
assert(!intel->no_batch_wrap); |
|
ret = do_flush_locked(intel); |
|
if (unlikely(INTEL_DEBUG & DEBUG_SYNC)) { |
fprintf(stderr, "waiting for idle\n"); |
drm_intel_bo_wait_rendering(intel->batch.bo); |
} |
|
/* Reset the buffer: |
*/ |
intel_batchbuffer_reset(intel); |
|
return ret; |
} |
|
|
/* This is the only way buffers get added to the validate list. |
*/ |
bool |
intel_batchbuffer_emit_reloc(struct intel_context *intel, |
drm_intel_bo *buffer, |
uint32_t read_domains, uint32_t write_domain, |
uint32_t delta) |
{ |
int ret; |
|
ret = drm_intel_bo_emit_reloc(intel->batch.bo, 4*intel->batch.used, |
buffer, delta, |
read_domains, write_domain); |
assert(ret == 0); |
(void)ret; |
|
/* |
* Using the old buffer offset, write in what the right data would be, in case |
* the buffer doesn't move and we can short-circuit the relocation processing |
* in the kernel |
*/ |
intel_batchbuffer_emit_dword(intel, buffer->offset + delta); |
|
return true; |
} |
|
bool |
intel_batchbuffer_emit_reloc_fenced(struct intel_context *intel, |
drm_intel_bo *buffer, |
uint32_t read_domains, |
uint32_t write_domain, |
uint32_t delta) |
{ |
int ret; |
|
ret = drm_intel_bo_emit_reloc_fence(intel->batch.bo, 4*intel->batch.used, |
buffer, delta, |
read_domains, write_domain); |
assert(ret == 0); |
(void)ret; |
|
/* |
* Using the old buffer offset, write in what the right data would |
* be, in case the buffer doesn't move and we can short-circuit the |
* relocation processing in the kernel |
*/ |
intel_batchbuffer_emit_dword(intel, buffer->offset + delta); |
|
return true; |
} |
|
void |
intel_batchbuffer_data(struct intel_context *intel, |
const void *data, GLuint bytes) |
{ |
assert((bytes & 3) == 0); |
intel_batchbuffer_require_space(intel, bytes); |
memcpy(intel->batch.map + intel->batch.used, data, bytes); |
intel->batch.used += bytes >> 2; |
} |
|
/* Emit a pipelined flush to either flush render and texture cache for |
* reading from a FBO-drawn texture, or flush so that frontbuffer |
* render appears on the screen in DRI1. |
* |
* This is also used for the always_flush_cache driconf debug option. |
*/ |
void |
intel_batchbuffer_emit_mi_flush(struct intel_context *intel) |
{ |
BEGIN_BATCH(1); |
OUT_BATCH(MI_FLUSH); |
ADVANCE_BATCH(); |
} |