/**
* Emit PIPE_CONTROLs to write the current GPU timestamp into a buffer.
*/
-static void
-write_timestamp(struct brw_context *brw, drm_intel_bo *query_bo, int idx)
+void
+brw_write_timestamp(struct brw_context *brw, drm_intel_bo *query_bo, int idx)
{
- struct intel_context *intel = &brw->intel;
- if (intel->gen >= 6) {
- /* Emit workaround flushes: */
- if (intel->gen == 6) {
- /* The timestamp write below is a non-zero post-sync op, which on
- * Gen6 necessitates a CS stall. CS stalls need stall at scoreboard
- * set. See the comments for intel_emit_post_sync_nonzero_flush().
- */
- BEGIN_BATCH(4);
- OUT_BATCH(_3DSTATE_PIPE_CONTROL | (4 - 2));
- OUT_BATCH(PIPE_CONTROL_CS_STALL | PIPE_CONTROL_STALL_AT_SCOREBOARD);
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
- }
-
- BEGIN_BATCH(5);
- OUT_BATCH(_3DSTATE_PIPE_CONTROL | (5 - 2));
- OUT_BATCH(PIPE_CONTROL_WRITE_TIMESTAMP);
- OUT_RELOC(query_bo,
- I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
- PIPE_CONTROL_GLOBAL_GTT_WRITE |
- idx * sizeof(uint64_t));
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
- } else {
- BEGIN_BATCH(4);
- OUT_BATCH(_3DSTATE_PIPE_CONTROL | (4 - 2) |
- PIPE_CONTROL_WRITE_TIMESTAMP);
- OUT_RELOC(query_bo,
- I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
- PIPE_CONTROL_GLOBAL_GTT_WRITE |
- idx * sizeof(uint64_t));
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
+ if (brw->gen == 6) {
+ /* Emit Sandybridge workaround flush: */
+ brw_emit_pipe_control_flush(brw,
+ PIPE_CONTROL_CS_STALL |
+ PIPE_CONTROL_STALL_AT_SCOREBOARD);
}
+
+ uint32_t flags = PIPE_CONTROL_WRITE_TIMESTAMP;
+
+ if (brw->gen == 9 && brw->gt == 4)
+ flags |= PIPE_CONTROL_CS_STALL;
+
+ brw_emit_pipe_control_write(brw, flags,
+ query_bo, idx * sizeof(uint64_t), 0, 0);
}
/**
* Emit PIPE_CONTROLs to write the PS_DEPTH_COUNT register into a buffer.
*/
-static void
-write_depth_count(struct brw_context *brw, drm_intel_bo *query_bo, int idx)
+void
+brw_write_depth_count(struct brw_context *brw, drm_intel_bo *query_bo, int idx)
{
- struct intel_context *intel = &brw->intel;
- assert(intel->gen < 6);
-
- BEGIN_BATCH(4);
- OUT_BATCH(_3DSTATE_PIPE_CONTROL | (4 - 2) |
- PIPE_CONTROL_DEPTH_STALL | PIPE_CONTROL_WRITE_DEPTH_COUNT);
- /* This object could be mapped cacheable, but we don't have an exposed
- * mechanism to support that. Since it's going uncached, tell GEM that
- * we're writing to it. The usual clflush should be all that's required
- * to pick up the results.
- */
- OUT_RELOC(query_bo,
- I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION,
- PIPE_CONTROL_GLOBAL_GTT_WRITE |
- (idx * sizeof(uint64_t)));
- OUT_BATCH(0);
- OUT_BATCH(0);
- ADVANCE_BATCH();
+ uint32_t flags = PIPE_CONTROL_WRITE_DEPTH_COUNT | PIPE_CONTROL_DEPTH_STALL;
+
+ if (brw->gen == 9 && brw->gt == 4)
+ flags |= PIPE_CONTROL_CS_STALL;
+
+ brw_emit_pipe_control_write(brw, flags,
+ query_bo, idx * sizeof(uint64_t),
+ 0, 0);
}
/**
struct brw_query_object *query)
{
struct brw_context *brw = brw_context(ctx);
- struct intel_context *intel = intel_context(ctx);
int i;
uint64_t *results;
- assert(intel->gen < 6);
+ assert(brw->gen < 6);
if (query->bo == NULL)
return;
if (drm_intel_bo_references(brw->batch.bo, query->bo))
intel_batchbuffer_flush(brw);
- if (unlikely(intel->perf_debug)) {
+ if (unlikely(brw->perf_debug)) {
if (drm_intel_bo_busy(query->bo)) {
perf_debug("Stalling on the GPU waiting for a query object.\n");
}
break;
default:
- assert(!"Unrecognized query target in brw_queryobj_get_results()");
- break;
+ unreachable("Unrecognized query target in brw_queryobj_get_results()");
}
drm_intel_bo_unmap(query->bo);
brw_begin_query(struct gl_context *ctx, struct gl_query_object *q)
{
struct brw_context *brw = brw_context(ctx);
- struct intel_context *intel = intel_context(ctx);
struct brw_query_object *query = (struct brw_query_object *)q;
- assert(intel->gen < 6);
+ assert(brw->gen < 6);
switch (query->Base.Target) {
case GL_TIME_ELAPSED_EXT:
*/
drm_intel_bo_unreference(query->bo);
query->bo = drm_intel_bo_alloc(brw->bufmgr, "timer query", 4096, 4096);
- write_timestamp(brw, query->bo, 0);
+ brw_write_timestamp(brw, query->bo, 0);
break;
case GL_ANY_SAMPLES_PASSED:
* avoid them when necessary. They're required for occlusion queries,
* so turn them on now.
*/
- intel->stats_wm++;
- brw->state.dirty.brw |= BRW_NEW_STATS_WM;
+ brw->stats_wm++;
+ brw->ctx.NewDriverState |= BRW_NEW_STATS_WM;
break;
default:
- assert(!"Unrecognized query target in brw_begin_query()");
- break;
+ unreachable("Unrecognized query target in brw_begin_query()");
}
}
brw_end_query(struct gl_context *ctx, struct gl_query_object *q)
{
struct brw_context *brw = brw_context(ctx);
- struct intel_context *intel = intel_context(ctx);
struct brw_query_object *query = (struct brw_query_object *)q;
- assert(intel->gen < 6);
+ assert(brw->gen < 6);
switch (query->Base.Target) {
case GL_TIME_ELAPSED_EXT:
/* Write the final timestamp. */
- write_timestamp(brw, query->bo, 1);
+ brw_write_timestamp(brw, query->bo, 1);
break;
case GL_ANY_SAMPLES_PASSED:
brw->query.obj = NULL;
- intel->stats_wm--;
- brw->state.dirty.brw |= BRW_NEW_STATS_WM;
+ brw->stats_wm--;
+ brw->ctx.NewDriverState |= BRW_NEW_STATS_WM;
break;
default:
- assert(!"Unrecognized query target in brw_end_query()");
- break;
+ unreachable("Unrecognized query target in brw_end_query()");
}
}
{
struct brw_query_object *query = (struct brw_query_object *)q;
- assert(intel_context(ctx)->gen < 6);
+ assert(brw_context(ctx)->gen < 6);
brw_queryobj_get_results(ctx, query);
query->Base.Ready = true;
static void brw_check_query(struct gl_context *ctx, struct gl_query_object *q)
{
struct brw_context *brw = brw_context(ctx);
- struct intel_context *intel = intel_context(ctx);
struct brw_query_object *query = (struct brw_query_object *)q;
- assert(intel->gen < 6);
+ assert(brw->gen < 6);
/* From the GL_ARB_occlusion_query spec:
*
ensure_bo_has_space(struct gl_context *ctx, struct brw_query_object *query)
{
struct brw_context *brw = brw_context(ctx);
- struct intel_context *intel = intel_context(ctx);
- assert(intel->gen < 6);
+ assert(brw->gen < 6);
if (!query->bo || query->last_index * 2 + 1 >= 4096 / sizeof(uint64_t)) {
void
brw_emit_query_begin(struct brw_context *brw)
{
- struct intel_context *intel = &brw->intel;
- struct gl_context *ctx = &intel->ctx;
+ struct gl_context *ctx = &brw->ctx;
struct brw_query_object *query = brw->query.obj;
if (brw->hw_ctx)
ensure_bo_has_space(ctx, query);
- write_depth_count(brw, query->bo, query->last_index * 2);
+ brw_write_depth_count(brw, query->bo, query->last_index * 2);
brw->query.begin_emitted = true;
}
if (!brw->query.begin_emitted)
return;
- write_depth_count(brw, query->bo, query->last_index * 2 + 1);
+ brw_write_depth_count(brw, query->bo, query->last_index * 2 + 1);
brw->query.begin_emitted = false;
query->last_index++;
* current GPU time. This is unlike GL_TIME_ELAPSED, which measures the
* time while the query is active.
*/
-static void
+void
brw_query_counter(struct gl_context *ctx, struct gl_query_object *q)
{
struct brw_context *brw = brw_context(ctx);
drm_intel_bo_unreference(query->bo);
query->bo = drm_intel_bo_alloc(brw->bufmgr, "timestamp query", 4096, 4096);
- write_timestamp(brw, query->bo, 0);
+ brw_write_timestamp(brw, query->bo, 0);
+
+ query->flushed = false;
}
/**
struct brw_context *brw = brw_context(ctx);
uint64_t result = 0;
- drm_intel_reg_read(brw->bufmgr, TIMESTAMP, &result);
+ switch (brw->intelScreen->hw_has_timestamp) {
+ case 3: /* New kernel, always full 36bit accuracy */
+ drm_intel_reg_read(brw->bufmgr, TIMESTAMP | 1, &result);
+ break;
+ case 2: /* 64bit kernel, result is left-shifted by 32bits, losing 4bits */
+ drm_intel_reg_read(brw->bufmgr, TIMESTAMP, &result);
+ result = result >> 32;
+ break;
+ case 1: /* 32bit kernel, result is 36bit wide but may be inaccurate! */
+ drm_intel_reg_read(brw->bufmgr, TIMESTAMP, &result);
+ break;
+ }
/* See logic in brw_queryobj_get_results() */
- result = result >> 32;
result *= 80;
result &= (1ull << 36) - 1;
-
return result;
}
+/**
+ * Is this type of query written by PIPE_CONTROL?
+ */
+bool
+brw_is_query_pipelined(struct brw_query_object *query)
+{
+ switch (query->Base.Target) {
+ case GL_TIMESTAMP:
+ case GL_TIME_ELAPSED:
+ case GL_ANY_SAMPLES_PASSED:
+ case GL_ANY_SAMPLES_PASSED_CONSERVATIVE:
+ case GL_SAMPLES_PASSED_ARB:
+ return true;
+
+ case GL_PRIMITIVES_GENERATED:
+ case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
+ case GL_VERTICES_SUBMITTED_ARB:
+ case GL_PRIMITIVES_SUBMITTED_ARB:
+ case GL_VERTEX_SHADER_INVOCATIONS_ARB:
+ case GL_GEOMETRY_SHADER_INVOCATIONS:
+ case GL_GEOMETRY_SHADER_PRIMITIVES_EMITTED_ARB:
+ case GL_FRAGMENT_SHADER_INVOCATIONS_ARB:
+ case GL_CLIPPING_INPUT_PRIMITIVES_ARB:
+ case GL_CLIPPING_OUTPUT_PRIMITIVES_ARB:
+ case GL_COMPUTE_SHADER_INVOCATIONS_ARB:
+ case GL_TESS_CONTROL_SHADER_PATCHES_ARB:
+ case GL_TESS_EVALUATION_SHADER_INVOCATIONS_ARB:
+ return false;
+
+ default:
+ unreachable("Unrecognized query target in is_query_pipelined()");
+ }
+}
+
/* Initialize query object functions used on all generations. */
void brw_init_common_queryobj_functions(struct dd_function_table *functions)
{
functions->NewQueryObject = brw_new_query_object;
functions->DeleteQuery = brw_delete_query;
- functions->QueryCounter = brw_query_counter;
functions->GetTimestamp = brw_get_timestamp;
}
functions->EndQuery = brw_end_query;
functions->CheckQuery = brw_check_query;
functions->WaitQuery = brw_wait_query;
+ functions->QueryCounter = brw_query_counter;
}
projects / mesa.git / blobdiff