c8d3ebaffc
Move the query for the TIMESTAMP register from context init to the screen, so that it is only queried once for all contexts. On 32bit systems, some old kernels trigger a hw bug resulting in the TIMESTAMP register being shifted and the low 32bits always zero. Detect this by repeating the read a few times and check the register is incrementing every 80ns as expected and not stuck on zero (as would be the case with the buggy kernel/hw.). Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Martin Peres <martin.peres@linux.intel.com> Reviewed-by: Martin Peres <martin.peres@linux.intel.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
104 lines
2.8 KiB
C
104 lines
2.8 KiB
C
/**************************************************************************
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*
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* Copyright 2003 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#ifndef _INTEL_INIT_H_
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#define _INTEL_INIT_H_
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#include <stdbool.h>
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#include <sys/time.h>
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#include <GL/internal/dri_interface.h>
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#include "dri_util.h"
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#include "intel_bufmgr.h"
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#include "brw_device_info.h"
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#include "i915_drm.h"
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#include "xmlconfig.h"
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struct intel_screen
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{
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int deviceID;
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const struct brw_device_info *devinfo;
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__DRIscreen *driScrnPriv;
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bool no_hw;
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bool hw_must_use_separate_stencil;
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bool hw_has_swizzling;
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bool hw_has_timestamp;
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/**
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* Does the kernel support context reset notifications?
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*/
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bool has_context_reset_notification;
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dri_bufmgr *bufmgr;
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/**
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* A unique ID for shader programs.
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*/
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unsigned program_id;
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int winsys_msaa_samples_override;
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struct brw_compiler *compiler;
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/**
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* Configuration cache with default values for all contexts
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*/
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driOptionCache optionCache;
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/**
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* Version of the command parser reported by the
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* I915_PARAM_CMD_PARSER_VERSION parameter
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*/
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int cmd_parser_version;
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};
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extern void intelDestroyContext(__DRIcontext * driContextPriv);
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extern GLboolean intelUnbindContext(__DRIcontext * driContextPriv);
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PUBLIC const __DRIextension **__driDriverGetExtensions_i965(void);
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extern const __DRI2fenceExtension intelFenceExtension;
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extern GLboolean
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intelMakeCurrent(__DRIcontext * driContextPriv,
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__DRIdrawable * driDrawPriv,
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__DRIdrawable * driReadPriv);
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double get_time(void);
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void aub_dump_bmp(struct gl_context *ctx);
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const int*
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intel_supported_msaa_modes(const struct intel_screen *screen);
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#endif
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