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 "isl/isl.h"
  35 #include "dri_util.h"
  36 #include "brw_bufmgr.h"
  37 #include "common/gen_device_info.h"
  38 #include "i915_drm.h"
  39 #include "util/xmlconfig.h"
  40
  41 #include "isl/isl.h"
  42
  43 #ifdef __cplusplus
  44 extern "C" {
  45 #endif
  46
  47 struct intel_screen
  48 {
  49    int deviceID;
  50    struct gen_device_info devinfo;
  51
  52    __DRIscreen *driScrnPriv;
  53
  54    uint64_t max_gtt_map_object_size;
  55
  56    /** Bytes of aperture usage beyond which execbuf is likely to fail. */
  57    uint64_t aperture_threshold;
  58
  59    bool no_hw;
  60    bool hw_has_swizzling;
  61    bool has_exec_fence; /**< I915_PARAM_HAS_EXEC_FENCE */
  62
  63    int hw_has_timestamp;
  64
  65    struct isl_device isl_dev;
  66
  67    /**
  68     * Does the kernel support context reset notifications?
  69     */
  70    bool has_context_reset_notification;
  71
  72    /**
  73     * Does the kernel support features such as pipelined register access to
  74     * specific registers?
  75     */
  76    unsigned kernel_features;
  77 #define KERNEL_ALLOWS_SOL_OFFSET_WRITES             (1<<0)
  78 #define KERNEL_ALLOWS_PREDICATE_WRITES              (1<<1)
  79 #define KERNEL_ALLOWS_MI_MATH_AND_LRR               (1<<2)
  80 #define KERNEL_ALLOWS_HSW_SCRATCH1_AND_ROW_CHICKEN3 (1<<3)
  81 #define KERNEL_ALLOWS_COMPUTE_DISPATCH              (1<<4)
  82 #define KERNEL_ALLOWS_EXEC_CAPTURE                  (1<<5)
  83 #define KERNEL_ALLOWS_EXEC_BATCH_FIRST              (1<<6)
  84
  85    struct brw_bufmgr *bufmgr;
  86
  87    /**
  88     * A unique ID for shader programs.
  89     */
  90    unsigned program_id;
  91
  92    int winsys_msaa_samples_override;
  93
  94    struct brw_compiler *compiler;
  95
  96    /**
  97    * Configuration cache with default values for all contexts
  98    */
  99    driOptionCache optionCache;
 100
 101    /**
 102     * Version of the command parser reported by the
 103     * I915_PARAM_CMD_PARSER_VERSION parameter
 104     */
 105    int cmd_parser_version;
 106
 107    /**
 108     * Number of subslices reported by the I915_PARAM_SUBSLICE_TOTAL parameter
 109     */
 110    int subslice_total;
 111
 112    /**
 113     * Number of EUs reported by the I915_PARAM_EU_TOTAL parameter
 114     */
 115    int eu_total;
 116
 117    bool mesa_format_supports_texture[MESA_FORMAT_COUNT];
 118    bool mesa_format_supports_render[MESA_FORMAT_COUNT];
 119    enum isl_format mesa_to_isl_render_format[MESA_FORMAT_COUNT];
 120 };
 121
 122 extern void intelDestroyContext(__DRIcontext * driContextPriv);
 123
 124 extern GLboolean intelUnbindContext(__DRIcontext * driContextPriv);
 125
 126 PUBLIC const __DRIextension **__driDriverGetExtensions_i965(void);
 127 extern const __DRI2fenceExtension intelFenceExtension;
 128
 129 extern GLboolean
 130 intelMakeCurrent(__DRIcontext * driContextPriv,
 131                  __DRIdrawable * driDrawPriv,
 132                  __DRIdrawable * driReadPriv);
 133
 134 double get_time(void);
 135
 136 const int*
 137 intel_supported_msaa_modes(const struct intel_screen  *screen);
 138
 139 static inline bool
 140 can_do_pipelined_register_writes(const struct intel_screen *screen)
 141 {
 142    return screen->kernel_features & KERNEL_ALLOWS_SOL_OFFSET_WRITES;
 143 }
 144
 145 static inline bool
 146 can_do_hsw_l3_atomics(const struct intel_screen *screen)
 147 {
 148    return screen->kernel_features & KERNEL_ALLOWS_HSW_SCRATCH1_AND_ROW_CHICKEN3;
 149 }
 150
 151 static inline bool
 152 can_do_mi_math_and_lrr(const struct intel_screen *screen)
 153 {
 154    return screen->kernel_features & KERNEL_ALLOWS_MI_MATH_AND_LRR;
 155 }
 156
 157 static inline bool
 158 can_do_compute_dispatch(const struct intel_screen *screen)
 159 {
 160    return screen->kernel_features & KERNEL_ALLOWS_COMPUTE_DISPATCH;
 161 }
 162
 163 static inline bool
 164 can_do_predicate_writes(const struct intel_screen *screen)
 165 {
 166    return screen->kernel_features & KERNEL_ALLOWS_PREDICATE_WRITES;
 167 }
 168
 169 static inline bool
 170 can_do_exec_capture(const struct intel_screen *screen)
 171 {
 172    return screen->kernel_features & KERNEL_ALLOWS_EXEC_CAPTURE;
 173 }
 174
 175 #ifdef __cplusplus
 176 }
 177 #endif
 178
 179 #endif