From 01efb1dd8f5e14e8c034e0100f76472d89f811af Mon Sep 17 00:00:00 2001 From: Brian Date: Sat, 11 Aug 2007 19:56:30 +0100 Subject: Begin/EndQuery functions --- src/mesa/state_tracker/st_cb_queryobj.c | 76 +++++++++++++++++++++++++++++++++ src/mesa/state_tracker/st_cb_queryobj.h | 36 ++++++++++++++++ 2 files changed, 112 insertions(+) create mode 100644 src/mesa/state_tracker/st_cb_queryobj.c create mode 100644 src/mesa/state_tracker/st_cb_queryobj.h (limited to 'src') diff --git a/src/mesa/state_tracker/st_cb_queryobj.c b/src/mesa/state_tracker/st_cb_queryobj.c new file mode 100644 index 00000000000..3a8fbde8abd --- /dev/null +++ b/src/mesa/state_tracker/st_cb_queryobj.c @@ -0,0 +1,76 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +/** + * glBegin/EndQuery interface to pipe + * + * \author Brian Paul + */ + + +#include "main/imports.h" +#include "main/context.h" +#include "main/image.h" + +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "st_context.h" +#include "st_cb_queryobj.h" +#include "st_public.h" + + +/** + * Do glReadPixels by getting rows from the framebuffer surface with + * get_tile(). Convert to requested format/type with Mesa image routines. + * Image transfer ops are done in software too. + */ +static void +st_BeginQuery(GLcontext *ctx, GLenum target, struct gl_query_object *q) +{ + struct pipe_context *pipe = ctx->st->pipe; + if (target == GL_SAMPLES_PASSED_ARB) { + pipe->reset_occlusion_counter(pipe); + } +} + + +static void +st_EndQuery(GLcontext *ctx, GLenum target, struct gl_query_object *q) +{ + struct pipe_context *pipe = ctx->st->pipe; + if (target == GL_SAMPLES_PASSED_ARB) { + q->Result = pipe->get_occlusion_counter(pipe); + } +} + + +void st_init_query_functions(struct dd_function_table *functions) +{ + functions->BeginQuery = st_BeginQuery; + functions->EndQuery = st_EndQuery; +} diff --git a/src/mesa/state_tracker/st_cb_queryobj.h b/src/mesa/state_tracker/st_cb_queryobj.h new file mode 100644 index 00000000000..9220a212b60 --- /dev/null +++ b/src/mesa/state_tracker/st_cb_queryobj.h @@ -0,0 +1,36 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef ST_CB_QUERYOBJ_H +#define ST_CB_QUERYOBJ_H + + +extern void +st_init_query_functions(struct dd_function_table *functions); + + +#endif -- cgit v1.2.3