src/mesa/drivers/dri/i965/intel_screen.h

   1 /*
   2  * Copyright 2003 VMware, Inc.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial portions
  15  * of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  21  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  22  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  23  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 #ifndef _INTEL_INIT_H_
  27 #define _INTEL_INIT_H_
  28
  29 #include <stdbool.h>
  30 #include <sys/time.h>
  31
  32 #include <GL/internal/dri_interface.h>
  33
  34 #include "dri_util.h"
  35 #include "intel_bufmgr.h"
  36 #include "common/gen_device_info.h"
  37 #include "i915_drm.h"
  38 #include "xmlconfig.h"
  39
  40 struct intel_screen
  41 {
  42    int deviceID;
  43    struct gen_device_info devinfo;
  44
  45    __DRIscreen *driScrnPriv;
  46
  47    uint64_t max_gtt_map_object_size;
  48
  49    bool no_hw;
  50
  51    bool hw_has_swizzling;
  52
  53    int hw_has_timestamp;
  54
  55    /**
  56     * Does the kernel support resource streamer?
  57     */
  58    bool has_resource_streamer;
  59
  60    /**
  61     * Does the kernel support context reset notifications?
  62     */
  63    bool has_context_reset_notification;
  64
  65    /**
  66     * Does the kernel support features such as pipelined register access to
  67     * specific registers?
  68     */
  69    unsigned kernel_features;
  70 #define KERNEL_ALLOWS_SOL_OFFSET_WRITES             (1<<0)
  71 #define KERNEL_ALLOWS_PREDICATE_WRITES              (1<<1)
  72 #define KERNEL_ALLOWS_MI_MATH_AND_LRR               (1<<2)
  73 #define KERNEL_ALLOWS_HSW_SCRATCH1_AND_ROW_CHICKEN3 (1<<3)
  74 #define KERNEL_ALLOWS_COMPUTE_DISPATCH              (1<<4)
  75
  76    dri_bufmgr *bufmgr;
  77
  78    /**
  79     * A unique ID for shader programs.
  80     */
  81    unsigned program_id;
  82
  83    int winsys_msaa_samples_override;
  84
  85    struct brw_compiler *compiler;
  86
  87    /**
  88    * Configuration cache with default values for all contexts
  89    */
  90    driOptionCache optionCache;
  91
  92    /**
  93     * Version of the command parser reported by the
  94     * I915_PARAM_CMD_PARSER_VERSION parameter
  95     */
  96    int cmd_parser_version;
  97
  98    /**
  99     * Number of subslices reported by the I915_PARAM_SUBSLICE_TOTAL parameter
 100     */
 101    int subslice_total;
 102
 103    /**
 104     * Number of EUs reported by the I915_PARAM_EU_TOTAL parameter
 105     */
 106    int eu_total;
 107 };
 108
 109 extern void intelDestroyContext(__DRIcontext * driContextPriv);
 110
 111 extern GLboolean intelUnbindContext(__DRIcontext * driContextPriv);
 112
 113 PUBLIC const __DRIextension **__driDriverGetExtensions_i965(void);
 114 extern const __DRI2fenceExtension intelFenceExtension;
 115
 116 extern GLboolean
 117 intelMakeCurrent(__DRIcontext * driContextPriv,
 118                  __DRIdrawable * driDrawPriv,
 119                  __DRIdrawable * driReadPriv);
 120
 121 double get_time(void);
 122 void aub_dump_bmp(struct gl_context *ctx);
 123
 124 const int*
 125 intel_supported_msaa_modes(const struct intel_screen  *screen);
 126
 127 static inline bool
 128 can_do_pipelined_register_writes(const struct intel_screen *screen)
 129 {
 130    return screen->kernel_features & KERNEL_ALLOWS_SOL_OFFSET_WRITES;
 131 }
 132
 133 static inline bool
 134 can_do_hsw_l3_atomics(const struct intel_screen *screen)
 135 {
 136    return screen->kernel_features & KERNEL_ALLOWS_HSW_SCRATCH1_AND_ROW_CHICKEN3;
 137 }
 138
 139 static inline bool
 140 can_do_mi_math_and_lrr(const struct intel_screen *screen)
 141 {
 142    return screen->kernel_features & KERNEL_ALLOWS_MI_MATH_AND_LRR;
 143 }
 144
 145 static inline bool
 146 can_do_compute_dispatch(const struct intel_screen *screen)
 147 {
 148    return screen->kernel_features & KERNEL_ALLOWS_COMPUTE_DISPATCH;
 149 }
 150
 151 static inline bool
 152 can_do_predicate_writes(const struct intel_screen *screen)
 153 {
 154    return screen->kernel_features & KERNEL_ALLOWS_PREDICATE_WRITES;
 155 }
 156
 157 #endif