From 86afe8250edaa2e6129c937a62a695f616c48d70 Mon Sep 17 00:00:00 2001 From: Qicheng Christopher Li Date: Thu, 6 May 2010 11:45:42 -0600 Subject: llvmpipe: implement occlusion query OpenGL occlusion queries work now. The Mesa demos, glean test and piglit tests all pass. A few enhancements are possible in the future. -Brian Signed-off-by: Brian Paul --- src/gallium/drivers/llvmpipe/lp_setup.c | 41 +++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) (limited to 'src/gallium/drivers/llvmpipe/lp_setup.c') diff --git a/src/gallium/drivers/llvmpipe/lp_setup.c b/src/gallium/drivers/llvmpipe/lp_setup.c index 0bf75de901..de9d4366a8 100644 --- a/src/gallium/drivers/llvmpipe/lp_setup.c +++ b/src/gallium/drivers/llvmpipe/lp_setup.c @@ -32,6 +32,8 @@ * lp_setup_flush(). */ +#include + #include "pipe/p_defines.h" #include "util/u_framebuffer.h" #include "util/u_inlines.h" @@ -43,11 +45,13 @@ #include "lp_texture.h" #include "lp_debug.h" #include "lp_fence.h" +#include "lp_query.h" #include "lp_rast.h" #include "lp_setup_context.h" #include "lp_screen.h" #include "lp_state.h" #include "state_tracker/sw_winsys.h" +#include "lp_rast_priv.h" #include "draw/draw_context.h" #include "draw/draw_vbuf.h" @@ -856,3 +860,40 @@ fail: return NULL; } + +/** + * Put a BeginQuery command into all bins. + */ +void +lp_setup_begin_query(struct lp_setup_context *setup, + struct llvmpipe_query *pq) +{ + struct lp_scene * scene = lp_setup_get_current_scene(setup); + union lp_rast_cmd_arg cmd_arg; + + /* init the query to its beginning state */ + pq->done = FALSE; + pq->tile_count = 0; + pq->num_tiles = scene->tiles_x * scene->tiles_y; + assert(pq->num_tiles > 0); + + memset(pq->count, 0, sizeof(pq->count)); /* reset all counters */ + + cmd_arg.query_obj = pq; + lp_scene_bin_everywhere(scene, lp_rast_begin_query, cmd_arg); + pq->binned = TRUE; +} + + +/** + * Put an EndQuery command into all bins. + */ +void +lp_setup_end_query(struct lp_setup_context *setup, struct llvmpipe_query *pq) +{ + struct lp_scene * scene = lp_setup_get_current_scene(setup); + union lp_rast_cmd_arg cmd_arg; + + cmd_arg.query_obj = pq; + lp_scene_bin_everywhere(scene, lp_rast_end_query, cmd_arg); +} -- cgit v1.2.3