diff options
| -rw-r--r-- | docs/relnotes-7.9.html | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_queryobj.c | 84 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_extensions.c | 7 |
3 files changed, 68 insertions, 24 deletions
diff --git a/docs/relnotes-7.9.html b/docs/relnotes-7.9.html index f7d5016dc69..6122f8c34e6 100644 --- a/docs/relnotes-7.9.html +++ b/docs/relnotes-7.9.html @@ -34,6 +34,7 @@ tbd <h2>New features</h2> <ul> +<li>GL_EXT_timer_query extension (i965 driver only) </ul> diff --git a/src/mesa/drivers/dri/i965/brw_queryobj.c b/src/mesa/drivers/dri/i965/brw_queryobj.c index 3f47a68049f..7cb812b521c 100644 --- a/src/mesa/drivers/dri/i965/brw_queryobj.c +++ b/src/mesa/drivers/dri/i965/brw_queryobj.c @@ -55,11 +55,15 @@ brw_queryobj_get_results(struct brw_query_object *query) if (query->bo == NULL) return; - /* Map and count the pixels from the current query BO */ dri_bo_map(query->bo, GL_FALSE); results = query->bo->virtual; - for (i = query->first_index; i <= query->last_index; i++) { - query->Base.Result += results[i * 2 + 1] - results[i * 2]; + if (query->Base.Target == GL_TIME_ELAPSED_EXT) { + query->Base.Result += 1000 * ((results[1] >> 32) - (results[0] >> 32)); + } else { + /* Map and count the pixels from the current query BO */ + for (i = query->first_index; i <= query->last_index; i++) { + query->Base.Result += results[i * 2 + 1] - results[i * 2]; + } } dri_bo_unmap(query->bo); @@ -98,14 +102,31 @@ brw_begin_query(GLcontext *ctx, struct gl_query_object *q) struct intel_context *intel = intel_context(ctx); struct brw_query_object *query = (struct brw_query_object *)q; - /* Reset our driver's tracking of query state. */ - dri_bo_unreference(query->bo); - query->bo = NULL; - query->first_index = -1; - query->last_index = -1; - - brw->query.obj = query; - intel->stats_wm++; + if (query->Base.Target == GL_TIME_ELAPSED_EXT) { + dri_bo_unreference(query->bo); + query->bo = drm_intel_bo_alloc(intel->bufmgr, "timer query", + 4096, 4096); + + BEGIN_BATCH(4); + OUT_BATCH(_3DSTATE_PIPE_CONTROL | + PIPE_CONTROL_WRITE_TIMESTAMP); + OUT_RELOC(query->bo, + I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION, + PIPE_CONTROL_GLOBAL_GTT_WRITE | + 0); + OUT_BATCH(0); + OUT_BATCH(0); + ADVANCE_BATCH(); + } else { + /* Reset our driver's tracking of query state. */ + dri_bo_unreference(query->bo); + query->bo = NULL; + query->first_index = -1; + query->last_index = -1; + + brw->query.obj = query; + intel->stats_wm++; + } } /** @@ -118,21 +139,36 @@ brw_end_query(GLcontext *ctx, struct gl_query_object *q) struct intel_context *intel = intel_context(ctx); struct brw_query_object *query = (struct brw_query_object *)q; - /* Flush the batchbuffer in case it has writes to our query BO. - * Have later queries write to a new query BO so that further rendering - * doesn't delay the collection of our results. - */ - if (query->bo) { - brw_emit_query_end(brw); - intel_batchbuffer_flush(intel->batch); + if (query->Base.Target == GL_TIME_ELAPSED_EXT) { + BEGIN_BATCH(4); + OUT_BATCH(_3DSTATE_PIPE_CONTROL | + PIPE_CONTROL_WRITE_TIMESTAMP); + OUT_RELOC(query->bo, + I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION, + PIPE_CONTROL_GLOBAL_GTT_WRITE | + 8); + OUT_BATCH(0); + OUT_BATCH(0); + ADVANCE_BATCH(); - dri_bo_unreference(brw->query.bo); - brw->query.bo = NULL; + intel_batchbuffer_flush(intel->batch); + } else { + /* Flush the batchbuffer in case it has writes to our query BO. + * Have later queries write to a new query BO so that further rendering + * doesn't delay the collection of our results. + */ + if (query->bo) { + brw_emit_query_end(brw); + intel_batchbuffer_flush(intel->batch); + + dri_bo_unreference(brw->query.bo); + brw->query.bo = NULL; + } + + brw->query.obj = NULL; + + intel->stats_wm--; } - - brw->query.obj = NULL; - - intel->stats_wm--; } static void brw_wait_query(GLcontext *ctx, struct gl_query_object *q) diff --git a/src/mesa/drivers/dri/intel/intel_extensions.c b/src/mesa/drivers/dri/intel/intel_extensions.c index 9c2083873a1..edba1fc2f2b 100644 --- a/src/mesa/drivers/dri/intel/intel_extensions.c +++ b/src/mesa/drivers/dri/intel/intel_extensions.c @@ -57,6 +57,7 @@ #define need_GL_EXT_provoking_vertex #define need_GL_EXT_secondary_color #define need_GL_EXT_stencil_two_side +#define need_GL_EXT_timer_query #define need_GL_APPLE_vertex_array_object #define need_GL_APPLE_object_purgeable #define need_GL_ATI_separate_stencil @@ -182,6 +183,9 @@ static const struct dri_extension brw_extensions[] = { { NULL, NULL } }; +static const struct dri_extension ironlake_extensions[] = { + { "GL_EXT_timer_query", GL_EXT_timer_query_functions }, +}; static const struct dri_extension arb_oq_extensions[] = { { "GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions }, @@ -207,6 +211,9 @@ intelInitExtensions(GLcontext *ctx) */ driInitExtensions(ctx, card_extensions, GL_FALSE); + if (intel->gen >= 5) + driInitExtensions(ctx, ironlake_extensions, GL_FALSE); + if (intel->gen >= 4) driInitExtensions(ctx, brw_extensions, GL_FALSE); |