0,0 → 1,238 |
/* |
* Mesa 3-D graphics library |
* |
* Copyright (C) 2012-2013 LunarG, Inc. |
* |
* 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, sublicense, |
* 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 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 NONINFRINGEMENT. IN NO EVENT SHALL |
* THE AUTHORS OR COPYRIGHT HOLDERS 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. |
* |
* Authors: |
* Chia-I Wu <olv@lunarg.com> |
*/ |
|
#include "intel_winsys.h" |
|
#include "ilo_3d.h" |
#include "ilo_context.h" |
#include "ilo_cp.h" |
#include "ilo_query.h" |
|
static const struct { |
const char *name; |
|
void (*begin)(struct ilo_context *ilo, struct ilo_query *q); |
void (*end)(struct ilo_context *ilo, struct ilo_query *q); |
void (*process)(struct ilo_context *ilo, struct ilo_query *q); |
} query_info[PIPE_QUERY_TYPES] = { |
#define INFO(prefix, desc) { \ |
.name = desc, \ |
.begin = prefix ## _begin_query, \ |
.end = prefix ## _end_query, \ |
.process = prefix ## _process_query, \ |
} |
#define INFOX(prefix, desc) { desc, NULL, NULL, NULL, } |
|
[PIPE_QUERY_OCCLUSION_COUNTER] = INFO(ilo_3d, "occlusion counter"), |
[PIPE_QUERY_OCCLUSION_PREDICATE] = INFOX(ilo_3d, "occlusion pred."), |
[PIPE_QUERY_TIMESTAMP] = INFO(ilo_3d, "timestamp"), |
[PIPE_QUERY_TIMESTAMP_DISJOINT] = INFOX(ilo_3d, "timestamp disjoint"), |
[PIPE_QUERY_TIME_ELAPSED] = INFO(ilo_3d, "time elapsed"), |
[PIPE_QUERY_PRIMITIVES_GENERATED] = INFO(ilo_3d, "primitives generated"), |
[PIPE_QUERY_PRIMITIVES_EMITTED] = INFO(ilo_3d, "primitives emitted"), |
[PIPE_QUERY_SO_STATISTICS] = INFOX(ilo_3d, "so statistics"), |
[PIPE_QUERY_SO_OVERFLOW_PREDICATE] = INFOX(ilo_3d, "so overflow pred."), |
[PIPE_QUERY_GPU_FINISHED] = INFOX(ilo_3d, "gpu finished"), |
[PIPE_QUERY_PIPELINE_STATISTICS] = INFOX(ilo_3d, "pipeline statistics"), |
|
#undef INFO |
#undef INFOX |
}; |
|
static inline struct ilo_query * |
ilo_query(struct pipe_query *query) |
{ |
return (struct ilo_query *) query; |
} |
|
static struct pipe_query * |
ilo_create_query(struct pipe_context *pipe, unsigned query_type) |
{ |
struct ilo_query *q; |
|
switch (query_type) { |
case PIPE_QUERY_OCCLUSION_COUNTER: |
case PIPE_QUERY_TIMESTAMP: |
case PIPE_QUERY_TIME_ELAPSED: |
case PIPE_QUERY_PRIMITIVES_GENERATED: |
case PIPE_QUERY_PRIMITIVES_EMITTED: |
break; |
default: |
return NULL; |
} |
|
q = CALLOC_STRUCT(ilo_query); |
if (!q) |
return NULL; |
|
q->type = query_type; |
list_inithead(&q->list); |
|
return (struct pipe_query *) q; |
} |
|
static void |
ilo_destroy_query(struct pipe_context *pipe, struct pipe_query *query) |
{ |
struct ilo_query *q = ilo_query(query); |
|
if (q->bo) |
intel_bo_unreference(q->bo); |
|
FREE(q); |
} |
|
static void |
ilo_begin_query(struct pipe_context *pipe, struct pipe_query *query) |
{ |
struct ilo_context *ilo = ilo_context(pipe); |
struct ilo_query *q = ilo_query(query); |
|
q->active = true; |
|
query_info[q->type].begin(ilo, q); |
} |
|
static void |
ilo_end_query(struct pipe_context *pipe, struct pipe_query *query) |
{ |
struct ilo_context *ilo = ilo_context(pipe); |
struct ilo_query *q = ilo_query(query); |
|
query_info[q->type].end(ilo, q); |
|
/* |
* some queries such as timestamp query does not require a call to |
* begin_query() so q->active is always false |
*/ |
q->active = false; |
} |
|
/** |
* The type (union pipe_query_result) indicates only the size of the buffer. |
* Callers expect the result to be "serialized". |
*/ |
static void |
serialize_query_data(unsigned type, const union pipe_query_result *data, |
void *buf) |
{ |
switch (type) { |
case PIPE_QUERY_OCCLUSION_COUNTER: |
case PIPE_QUERY_TIMESTAMP: |
case PIPE_QUERY_TIME_ELAPSED: |
case PIPE_QUERY_PRIMITIVES_GENERATED: |
case PIPE_QUERY_PRIMITIVES_EMITTED: |
{ |
uint64_t *r = buf; |
r[0] = data->u64; |
} |
break; |
default: |
memset(buf, 0, sizeof(union pipe_query_result)); |
break; |
} |
} |
|
static boolean |
ilo_get_query_result(struct pipe_context *pipe, struct pipe_query *query, |
boolean wait, union pipe_query_result *result) |
{ |
struct ilo_context *ilo = ilo_context(pipe); |
struct ilo_query *q = ilo_query(query); |
|
if (q->active) |
return false; |
|
if (q->bo) { |
if (intel_bo_references(ilo->cp->bo, q->bo)) |
ilo_cp_flush(ilo->cp); |
|
if (!wait && intel_bo_is_busy(q->bo)) |
return false; |
|
query_info[q->type].process(ilo, q); |
} |
|
if (result) |
serialize_query_data(q->type, &q->data, (void *) result); |
|
return true; |
} |
|
/** |
* Allocate a query bo for reading hardware statistics. |
* |
* \param reg_count specifies how many registers need to be read. |
* \param repeat_count specifies how many times the registers are read. If |
* zero or negative, a 4KB bo is allocated. |
*/ |
bool |
ilo_query_alloc_bo(struct ilo_query *q, int reg_count, int repeat_count, |
struct intel_winsys *winsys) |
{ |
const char *name; |
int reg_total; |
|
name = query_info[q->type].name; |
|
reg_total = reg_count * repeat_count; |
if (reg_total <= 0) |
reg_total = 4096 / sizeof(uint64_t); |
|
/* (re-)allocate the bo */ |
if (q->reg_total < reg_total) { |
/* registers are 64-bit */ |
const int size = reg_total * sizeof(uint64_t); |
|
if (q->bo) |
intel_bo_unreference(q->bo); |
|
q->bo = intel_winsys_alloc_buffer(winsys, name, size, 0); |
q->reg_total = (q->bo) ? reg_total : 0; |
} |
|
/* avoid partial reads */ |
if (reg_count) |
q->reg_total -= q->reg_total % reg_count; |
|
q->reg_read = 0; |
|
return (q->bo != NULL); |
} |
|
/** |
* Initialize query-related functions. |
*/ |
void |
ilo_init_query_functions(struct ilo_context *ilo) |
{ |
ilo->base.create_query = ilo_create_query; |
ilo->base.destroy_query = ilo_destroy_query; |
ilo->base.begin_query = ilo_begin_query; |
ilo->base.end_query = ilo_end_query; |
ilo->base.get_query_result = ilo_get_query_result; |
} |