[Mesa-dev] [PATCH v2 10/11] st/mesa: add query buffer support
Ilia Mirkin
imirkin at alum.mit.edu
Sun Jan 31 12:32:03 PST 2016
Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
---
src/mesa/state_tracker/st_cb_bufferobjects.c | 3 +
src/mesa/state_tracker/st_cb_queryobj.c | 97 ++++++++++++++++++++++++++-
src/mesa/state_tracker/st_cb_texturebarrier.c | 3 +
src/mesa/state_tracker/st_extensions.c | 1 +
4 files changed, 103 insertions(+), 1 deletion(-)
diff --git a/src/mesa/state_tracker/st_cb_bufferobjects.c b/src/mesa/state_tracker/st_cb_bufferobjects.c
index 1951366..202b4ee 100644
--- a/src/mesa/state_tracker/st_cb_bufferobjects.c
+++ b/src/mesa/state_tracker/st_cb_bufferobjects.c
@@ -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;
}
diff --git a/src/mesa/state_tracker/st_cb_queryobj.c b/src/mesa/state_tracker/st_cb_queryobj.c
index b133335..3f78ad9 100644
--- a/src/mesa/state_tracker/st_cb_queryobj.c
+++ b/src/mesa/state_tracker/st_cb_queryobj.c
@@ -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 *
@@ -272,7 +274,7 @@ st_WaitQuery(struct gl_context *ctx, struct gl_query_object *q)
{
/* nothing */
}
-
+
q->Ready = GL_TRUE;
}
@@ -304,6 +306,98 @@ 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 = QUERY_I32;
+ break;
+ case GL_UNSIGNED_INT:
+ result_type = QUERY_U32;
+ break;
+ case GL_INT64_ARB:
+ result_type = QUERY_I64;
+ break;
+ case GL_UNSIGNED_INT64_ARB:
+ result_type = QUERY_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)
{
@@ -314,4 +408,5 @@ 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;
}
diff --git a/src/mesa/state_tracker/st_cb_texturebarrier.c b/src/mesa/state_tracker/st_cb_texturebarrier.c
index 6f6176b..2de150b 100644
--- a/src/mesa/state_tracker/st_cb_texturebarrier.c
+++ b/src/mesa/state_tracker/st_cb_texturebarrier.c
@@ -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);
}
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index d066784..63a0043 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -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 },
--
2.4.10
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