src/mesa/drivers/dri/nouveau/nouveau_context.h

   1 /*
   2  * Copyright (C) 2009 Francisco Jerez.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a 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
  15  * portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26
  27 #ifndef __NOUVEAU_CONTEXT_H__
  28 #define __NOUVEAU_CONTEXT_H__
  29
  30 #include "nouveau_screen.h"
  31 #include "nouveau_state.h"
  32 #include "nouveau_bo_state.h"
  33 #include "nouveau_render.h"
  34
  35 #include "main/bitset.h"
  36
  37 enum nouveau_fallback {
  38         HWTNL = 0,
  39         SWTNL,
  40         SWRAST,
  41 };
  42
  43 struct nouveau_hw_state {
  44         struct nouveau_channel *chan;
  45
  46         struct nouveau_notifier *ntfy;
  47         struct nouveau_grobj *eng3d;
  48         struct nouveau_grobj *eng3dm;
  49         struct nouveau_grobj *surf3d;
  50         struct nouveau_grobj *m2mf;
  51         struct nouveau_grobj *surf2d;
  52         struct nouveau_grobj *rop;
  53         struct nouveau_grobj *patt;
  54         struct nouveau_grobj *rect;
  55         struct nouveau_grobj *swzsurf;
  56         struct nouveau_grobj *sifm;
  57 };
  58
  59 struct nouveau_context {
  60         GLcontext base;
  61         __DRIcontext *dri_context;
  62         struct nouveau_screen *screen;
  63
  64         BITSET_DECLARE(dirty, MAX_NOUVEAU_STATE);
  65         enum nouveau_fallback fallback;
  66
  67         struct nouveau_hw_state hw;
  68         struct nouveau_bo_state bo;
  69         struct nouveau_render_state render;
  70
  71         struct {
  72                 GLboolean clear_blocked;
  73                 int clear_seq;
  74         } hierz;
  75 };
  76
  77 #define to_nouveau_context(ctx) ((struct nouveau_context *)(ctx))
  78
  79 #define context_dev(ctx) \
  80         (to_nouveau_context(ctx)->screen->device)
  81 #define context_chipset(ctx) \
  82         (context_dev(ctx)->chipset)
  83 #define context_chan(ctx) \
  84         (to_nouveau_context(ctx)->hw.chan)
  85 #define context_eng3d(ctx) \
  86         (to_nouveau_context(ctx)->hw.eng3d)
  87 #define context_drv(ctx) \
  88         (to_nouveau_context(ctx)->screen->driver)
  89 #define context_dirty(ctx, s) \
  90         BITSET_SET(to_nouveau_context(ctx)->dirty, NOUVEAU_STATE_##s)
  91 #define context_dirty_i(ctx, s, i) \
  92         BITSET_SET(to_nouveau_context(ctx)->dirty, NOUVEAU_STATE_##s##0 + i)
  93 #define context_emit(ctx, s) \
  94         context_drv(ctx)->emit[NOUVEAU_STATE_##s](ctx, NOUVEAU_STATE_##s)
  95
  96 GLboolean
  97 nouveau_context_create(gl_api api,
  98                        const struct gl_config *visual, __DRIcontext *dri_ctx,
  99                        void *share_ctx);
 100
 101 GLboolean
 102 nouveau_context_init(GLcontext *ctx, struct nouveau_screen *screen,
 103                      const struct gl_config *visual, GLcontext *share_ctx);
 104
 105 void
 106 nouveau_context_deinit(GLcontext *ctx);
 107
 108 void
 109 nouveau_context_destroy(__DRIcontext *dri_ctx);
 110
 111 void
 112 nouveau_update_renderbuffers(__DRIcontext *dri_ctx, __DRIdrawable *draw);
 113
 114 GLboolean
 115 nouveau_context_make_current(__DRIcontext *dri_ctx, __DRIdrawable *ddraw,
 116                              __DRIdrawable *rdraw);
 117
 118 GLboolean
 119 nouveau_context_unbind(__DRIcontext *dri_ctx);
 120
 121 void
 122 nouveau_fallback(GLcontext *ctx, enum nouveau_fallback mode);
 123
 124 void
 125 nouveau_validate_framebuffer(GLcontext *ctx);
 126
 127 #endif
 128