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      1 /**************************************************************************
      2  *
      3  * Copyright 2009, VMware, Inc.
      4  * All Rights Reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the
      8  * "Software"), to deal in the Software without restriction, including
      9  * without limitation the rights to use, copy, modify, merge, publish,
     10  * distribute, sub license, and/or sell copies of the Software, and to
     11  * permit persons to whom the Software is furnished to do so, subject to
     12  * the following conditions:
     13  *
     14  * The above copyright notice and this permission notice (including the
     15  * next paragraph) shall be included in all copies or substantial portions
     16  * of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
     22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  **************************************************************************/
     27 /*
     28  * Author: Keith Whitwell <keithw (at) vmware.com>
     29  * Author: Jakob Bornecrantz <wallbraker (at) gmail.com>
     30  */
     31 
     32 #ifndef DRI_SCREEN_H
     33 #define DRI_SCREEN_H
     34 
     35 #include "dri_util.h"
     36 
     37 #include "pipe/p_compiler.h"
     38 #include "pipe/p_context.h"
     39 #include "pipe/p_state.h"
     40 #include "state_tracker/st_api.h"
     41 #include "state_tracker/opencl_interop.h"
     42 #include "os/os_thread.h"
     43 #include "postprocess/filters.h"
     44 
     45 struct dri_context;
     46 struct dri_drawable;
     47 struct pipe_loader_device;
     48 
     49 struct dri_screen
     50 {
     51    /* st_api */
     52    struct st_manager base;
     53    struct st_api *st_api;
     54 
     55    /* on old libGL's invalidate doesn't get called as it should */
     56    boolean broken_invalidate;
     57 
     58    /* dri */
     59    __DRIscreen *sPriv;
     60    boolean throttling_enabled;
     61    int default_throttle_frames;
     62 
     63    struct st_config_options options;
     64 
     65    /* Which postprocessing filters are enabled. */
     66    unsigned pp_enabled[PP_FILTERS];
     67 
     68    /* drm */
     69    int fd;
     70    boolean can_share_buffer;
     71 
     72    struct pipe_loader_device *dev;
     73 
     74    /* gallium */
     75    boolean d_depth_bits_last;
     76    boolean sd_depth_bits_last;
     77    boolean auto_fake_front;
     78    boolean has_reset_status_query;
     79    enum pipe_texture_target target;
     80 
     81    /* hooks filled in by dri2 & drisw */
     82    __DRIimage * (*lookup_egl_image)(struct dri_screen *ctx, void *handle);
     83 
     84    /* OpenCL interop */
     85    mtx_t opencl_func_mutex;
     86    opencl_dri_event_add_ref_t opencl_dri_event_add_ref;
     87    opencl_dri_event_release_t opencl_dri_event_release;
     88    opencl_dri_event_wait_t opencl_dri_event_wait;
     89    opencl_dri_event_get_fence_t opencl_dri_event_get_fence;
     90 };
     91 
     92 /** cast wrapper */
     93 static inline struct dri_screen *
     94 dri_screen(__DRIscreen * sPriv)
     95 {
     96    return (struct dri_screen *)sPriv->driverPrivate;
     97 }
     98 
     99 struct __DRIimageRec {
    100    struct pipe_resource *texture;
    101    unsigned level;
    102    unsigned layer;
    103    uint32_t dri_format;
    104    uint32_t dri_components;
    105    unsigned use;
    106 
    107    void *loader_private;
    108 
    109    /**
    110     * Provided by EGL_EXT_image_dma_buf_import.
    111     */
    112    enum __DRIYUVColorSpace yuv_color_space;
    113    enum __DRISampleRange sample_range;
    114    enum __DRIChromaSiting horizontal_siting;
    115    enum __DRIChromaSiting vertical_siting;
    116 
    117 };
    118 
    119 static inline boolean
    120 dri_with_format(__DRIscreen * sPriv)
    121 {
    122    const __DRIdri2LoaderExtension *loader = sPriv->dri2.loader;
    123 
    124    return loader
    125        && (loader->base.version >= 3)
    126        && (loader->getBuffersWithFormat != NULL);
    127 }
    128 
    129 void
    130 dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
    131                    const struct gl_config *mode);
    132 
    133 void
    134 dri_init_options(struct dri_screen *screen);
    135 
    136 const __DRIconfig **
    137 dri_init_screen_helper(struct dri_screen *screen,
    138                        struct pipe_screen *pscreen);
    139 
    140 void
    141 dri_destroy_screen_helper(struct dri_screen * screen);
    142 
    143 void
    144 dri_destroy_screen(__DRIscreen * sPriv);
    145 
    146 extern const struct __DriverAPIRec dri_kms_driver_api;
    147 
    148 extern const struct __DriverAPIRec galliumdrm_driver_api;
    149 extern const __DRIextension *galliumdrm_driver_extensions[];
    150 extern const struct __DriverAPIRec galliumsw_driver_api;
    151 extern const __DRIextension *galliumsw_driver_extensions[];
    152 extern const __DRIconfigOptionsExtension gallium_config_options;
    153 
    154 #endif
    155 
    156 /* vim: set sw=3 ts=8 sts=3 expandtab: */
    157