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st/mesa: add query buffer support

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Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Ilia Mirkin 2015-05-09 12:31:48 -04:00
parent f9e6f46335
commit 9cd5bb9f9f
4 changed files with 103 additions and 1 deletions
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3
src/mesa/state_tracker/st_cb_bufferobjects.c
View file

@ -241,6 +241,9 @@ st_bufferobj_data(struct gl_context *ctx,
case GL_SHADER_STORAGE_BUFFER:
bind = PIPE_BIND_SHADER_BUFFER;
break;
case GL_QUERY_BUFFER:
bind = PIPE_BIND_QUERY_BUFFER;
break;
default:
bind = 0;
}

97
src/mesa/state_tracker/st_cb_queryobj.c
View file

@ -39,9 +39,11 @@
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "pipe/p_screen.h"
#include "util/u_inlines.h"
#include "st_context.h"
#include "st_cb_queryobj.h"
#include "st_cb_bitmap.h"
#include "st_cb_bufferobjects.h"
static struct gl_query_object *
@ -271,7 +273,7 @@ st_WaitQuery(struct gl_context *ctx, struct gl_query_object *q)
{
/* nothing */
}
q->Ready = GL_TRUE;
}
@ -303,6 +305,98 @@ st_GetTimestamp(struct gl_context *ctx)
}
}
static void
st_StoreQueryResult(struct gl_context *ctx, struct gl_query_object *q,
struct gl_buffer_object *buf, intptr_t offset,
GLenum pname, GLenum ptype)
{
struct pipe_context *pipe = st_context(ctx)->pipe;
struct st_query_object *stq = st_query_object(q);
struct st_buffer_object *stObj = st_buffer_object(buf);
boolean wait = pname == GL_QUERY_RESULT;
enum pipe_query_value_type result_type;
int index;
/* GL_QUERY_TARGET is a bit of an extension since it has nothing to
* do with the GPU end of the query. Write it in "by hand".
*/
if (pname == GL_QUERY_TARGET) {
/* Assume that the data must be LE. The endianness situation wrt CPU and
* GPU is incredibly confusing, but the vast majority of GPUs are
* LE. When a BE one comes along, this needs some form of resolution.
*/
unsigned data[2] = { CPU_TO_LE32(q->Target), 0 };
pipe_buffer_write(pipe, stObj->buffer, offset,
(ptype == GL_INT64_ARB ||
ptype == GL_UNSIGNED_INT64_ARB) ? 8 : 4,
data);
return;
}
switch (ptype) {
case GL_INT:
result_type = PIPE_QUERY_TYPE_I32;
break;
case GL_UNSIGNED_INT:
result_type = PIPE_QUERY_TYPE_U32;
break;
case GL_INT64_ARB:
result_type = PIPE_QUERY_TYPE_I64;
break;
case GL_UNSIGNED_INT64_ARB:
result_type = PIPE_QUERY_TYPE_U64;
break;
default:
unreachable("Unexpected result type");
}
if (pname == GL_QUERY_RESULT_AVAILABLE) {
index = -1;
} else if (stq->type == PIPE_QUERY_PIPELINE_STATISTICS) {
switch (q->Target) {
case GL_VERTICES_SUBMITTED_ARB:
index = 0;
break;
case GL_PRIMITIVES_SUBMITTED_ARB:
index = 1;
break;
case GL_VERTEX_SHADER_INVOCATIONS_ARB:
index = 2;
break;
case GL_GEOMETRY_SHADER_INVOCATIONS:
index = 3;
break;
case GL_GEOMETRY_SHADER_PRIMITIVES_EMITTED_ARB:
index = 4;
break;
case GL_CLIPPING_INPUT_PRIMITIVES_ARB:
index = 5;
break;
case GL_CLIPPING_OUTPUT_PRIMITIVES_ARB:
index = 6;
break;
case GL_FRAGMENT_SHADER_INVOCATIONS_ARB:
index = 7;
break;
case GL_TESS_CONTROL_SHADER_PATCHES_ARB:
index = 8;
break;
case GL_TESS_EVALUATION_SHADER_INVOCATIONS_ARB:
index = 9;
break;
case GL_COMPUTE_SHADER_INVOCATIONS_ARB:
index = 10;
break;
default:
unreachable("Unexpected target");
}
} else {
index = 0;
}
pipe->get_query_result_resource(pipe, stq->pq, wait, result_type, index,
stObj->buffer, offset);
}
void st_init_query_functions(struct dd_function_table *functions)
{
@ -313,4 +407,5 @@ void st_init_query_functions(struct dd_function_table *functions)
functions->WaitQuery = st_WaitQuery;
functions->CheckQuery = st_CheckQuery;
functions->GetTimestamp = st_GetTimestamp;
functions->StoreQueryResult = st_StoreQueryResult;
}

3
src/mesa/state_tracker/st_cb_texturebarrier.c
View file

@ -70,6 +70,9 @@ st_MemoryBarrier(struct gl_context *ctx, GLbitfield barriers)
if (barriers & GL_SHADER_STORAGE_BARRIER_BIT)
flags |= PIPE_BARRIER_SHADER_BUFFER;
if (barriers & GL_QUERY_BUFFER_BARRIER_BIT)
flags |= PIPE_BARRIER_QUERY_BUFFER;
if (flags && pipe->memory_barrier)
pipe->memory_barrier(pipe, flags);
}

1
src/mesa/state_tracker/st_extensions.c
View file

@ -495,6 +495,7 @@ void st_init_extensions(struct pipe_screen *screen,
{ o(ARB_occlusion_query2), PIPE_CAP_OCCLUSION_QUERY },
{ o(ARB_pipeline_statistics_query), PIPE_CAP_QUERY_PIPELINE_STATISTICS },
{ o(ARB_point_sprite), PIPE_CAP_POINT_SPRITE },
{ o(ARB_query_buffer_object), PIPE_CAP_QUERY_BUFFER_OBJECT },
{ o(ARB_sample_shading), PIPE_CAP_SAMPLE_SHADING },
{ o(ARB_seamless_cube_map), PIPE_CAP_SEAMLESS_CUBE_MAP },
{ o(ARB_shader_draw_parameters), PIPE_CAP_DRAW_PARAMETERS },