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_drawable_state {
  44         GLboolean dirty;
  45         unsigned int d_stamp;
  46         unsigned int r_stamp;
  47 };
  48
  49 struct nouveau_context {
  50         GLcontext base;
  51         __DRIcontext *dri_context;
  52         struct nouveau_screen *screen;
  53
  54         BITSET_DECLARE(dirty, MAX_NOUVEAU_STATE);
  55         enum nouveau_fallback fallback;
  56
  57         struct nouveau_bo_state bo;
  58         struct nouveau_render_state render;
  59         struct nouveau_drawable_state drawable;
  60 };
  61
  62 #define to_nouveau_context(ctx) ((struct nouveau_context *)(ctx))
  63
  64 #define context_dev(ctx) \
  65         (to_nouveau_context(ctx)->screen->device)
  66 #define context_chipset(ctx) \
  67         (context_dev(ctx)->chipset)
  68 #define context_chan(ctx) \
  69         (to_nouveau_context(ctx)->screen->chan)
  70 #define context_eng3d(ctx) \
  71         (to_nouveau_context(ctx)->screen->eng3d)
  72 #define context_drv(ctx) \
  73         (to_nouveau_context(ctx)->screen->driver)
  74 #define context_dirty(ctx, s) \
  75         BITSET_SET(to_nouveau_context(ctx)->dirty, NOUVEAU_STATE_##s)
  76 #define context_dirty_i(ctx, s, i) \
  77         BITSET_SET(to_nouveau_context(ctx)->dirty, NOUVEAU_STATE_##s##0 + i)
  78
  79 GLboolean
  80 nouveau_context_create(const __GLcontextModes *visual, __DRIcontext *dri_ctx,
  81                        void *share_ctx);
  82
  83 GLboolean
  84 nouveau_context_init(GLcontext *ctx, struct nouveau_screen *screen,
  85                      const GLvisual *visual, GLcontext *share_ctx);
  86
  87 void
  88 nouveau_context_destroy(__DRIcontext *dri_ctx);
  89
  90 GLboolean
  91 nouveau_context_make_current(__DRIcontext *dri_ctx,
  92                              __DRIdrawable *ddraw,
  93                              __DRIdrawable *rdraw);
  94
  95 GLboolean
  96 nouveau_context_unbind(__DRIcontext *dri_ctx);
  97
  98 void
  99 nouveau_fallback(GLcontext *ctx, enum nouveau_fallback mode);
 100
 101 void
 102 nouveau_validate_framebuffer(GLcontext *ctx);
 103
 104 #endif
 105