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      1 /*
      2  * Mesa 3-D graphics library
      3  * Version:  7.8
      4  *
      5  * Copyright (C) 2010 Chia-I Wu <olv (at) 0xlab.org>
      6  *
      7  * Permission is hereby granted, free of charge, to any person obtaining a
      8  * copy of this software and associated documentation files (the "Software"),
      9  * to deal in the Software without restriction, including without limitation
     10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     11  * and/or sell copies of the Software, and to permit persons to whom the
     12  * Software is furnished to do so, subject to the following conditions:
     13  *
     14  * The above copyright notice and this permission notice shall be included
     15  * in all copies or substantial portions of the Software.
     16  *
     17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     23  * DEALINGS IN THE SOFTWARE.
     24  */
     25 
     26 #ifndef _NATIVE_DRM_H_
     27 #define _NATIVE_DRM_H_
     28 
     29 #include <xf86drm.h>
     30 #include <xf86drmMode.h>
     31 
     32 #include "pipe/p_compiler.h"
     33 #include "util/u_format.h"
     34 #include "pipe/p_state.h"
     35 #include "state_tracker/drm_driver.h"
     36 
     37 #include "common/native.h"
     38 #include "common/native_helper.h"
     39 
     40 #ifdef HAVE_WAYLAND_BACKEND
     41 #include "common/native_wayland_drm_bufmgr_helper.h"
     42 #endif
     43 
     44 #include "gbm_gallium_drmint.h"
     45 
     46 struct drm_config;
     47 struct drm_crtc;
     48 struct drm_connector;
     49 struct drm_mode;
     50 struct drm_surface;
     51 
     52 struct drm_display {
     53    struct native_display base;
     54 
     55    const struct native_event_handler *event_handler;
     56 
     57    struct gbm_gallium_drm_device *gbmdrm;
     58    int own_gbm;
     59    int fd;
     60    char *device_name;
     61    struct drm_config *config;
     62 
     63    /* for modesetting */
     64    drmModeResPtr resources;
     65    struct drm_connector *connectors;
     66    int num_connectors;
     67 
     68    struct drm_surface **shown_surfaces;
     69    /* save the original settings of the CRTCs */
     70    struct drm_crtc *saved_crtcs;
     71 
     72 #ifdef HAVE_WAYLAND_BACKEND
     73    struct wl_drm *wl_server_drm; /* for EGL_WL_bind_wayland_display */
     74 #endif
     75 };
     76 
     77 struct drm_config {
     78    struct native_config base;
     79 };
     80 
     81 struct drm_crtc {
     82    drmModeCrtcPtr crtc;
     83    uint32_t connectors[32];
     84    int num_connectors;
     85 };
     86 
     87 struct drm_framebuffer {
     88    struct pipe_resource *texture;
     89    boolean is_passive;
     90 
     91    uint32_t buffer_id;
     92 };
     93 
     94 struct drm_surface {
     95    struct native_surface base;
     96    struct drm_display *drmdpy;
     97 
     98    struct resource_surface *rsurf;
     99    enum pipe_format color_format;
    100    int width, height;
    101 
    102    unsigned int sequence_number;
    103    struct drm_framebuffer front_fb, back_fb;
    104 
    105    boolean is_shown;
    106    struct drm_crtc current_crtc;
    107 
    108    boolean have_pageflip;
    109 };
    110 
    111 struct drm_connector {
    112    struct native_connector base;
    113 
    114    uint32_t connector_id;
    115    drmModeConnectorPtr connector;
    116    struct drm_mode *drm_modes;
    117    int num_modes;
    118 };
    119 
    120 struct drm_mode {
    121    struct native_mode base;
    122    drmModeModeInfo mode;
    123 };
    124 
    125 static INLINE struct drm_display *
    126 drm_display(const struct native_display *ndpy)
    127 {
    128    return (struct drm_display *) ndpy;
    129 }
    130 
    131 static INLINE struct drm_config *
    132 drm_config(const struct native_config *nconf)
    133 {
    134    return (struct drm_config *) nconf;
    135 }
    136 
    137 static INLINE struct drm_surface *
    138 drm_surface(const struct native_surface *nsurf)
    139 {
    140    return (struct drm_surface *) nsurf;
    141 }
    142 
    143 static INLINE struct drm_connector *
    144 drm_connector(const struct native_connector *nconn)
    145 {
    146    return (struct drm_connector *) nconn;
    147 }
    148 
    149 static INLINE struct drm_mode *
    150 drm_mode(const struct native_mode *nmode)
    151 {
    152    return (struct drm_mode *) nmode;
    153 }
    154 
    155 boolean
    156 drm_display_init_modeset(struct native_display *ndpy);
    157 
    158 void
    159 drm_display_fini_modeset(struct native_display *ndpy);
    160 
    161 struct native_surface *
    162 drm_display_create_surface_from_resource(struct native_display *ndpy,
    163                                          struct pipe_resource *resource);
    164 
    165 #endif /* _NATIVE_DRM_H_ */
    166