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_scratch.h"
  33 #include "nouveau_render.h"
  34
  35 #include "util/bitset.h"
  36
  37 enum nouveau_fallback {
  38         HWTNL = 0,
  39         SWTNL,
  40         SWRAST,
  41 };
  42
  43 #define BUFCTX_FB      0
  44 #define BUFCTX_VTX     1
  45 #define BUFCTX_TEX(i) (2 + (i))
  46
  47 struct nouveau_hw_state {
  48         struct nouveau_object *chan;
  49         struct nouveau_client *client;
  50         struct nouveau_pushbuf *pushbuf;
  51         struct nouveau_bufctx *bufctx;
  52
  53         struct nouveau_object *null;
  54         struct nouveau_object *ntfy;
  55         struct nouveau_object *eng3d;
  56         struct nouveau_object *eng3dm;
  57         struct nouveau_object *surf3d;
  58         struct nouveau_object *m2mf;
  59         struct nouveau_object *surf2d;
  60         struct nouveau_object *rop;
  61         struct nouveau_object *patt;
  62         struct nouveau_object *rect;
  63         struct nouveau_object *swzsurf;
  64         struct nouveau_object *sifm;
  65 };
  66
  67 struct nouveau_context {
  68         struct gl_context base;
  69         __DRIcontext *dri_context;
  70         struct nouveau_screen *screen;
  71
  72         BITSET_DECLARE(dirty, MAX_NOUVEAU_STATE);
  73         enum nouveau_fallback fallback;
  74
  75         struct nouveau_bo *fence;
  76
  77         struct nouveau_hw_state hw;
  78         struct nouveau_render_state render;
  79         struct nouveau_scratch_state scratch;
  80
  81         struct {
  82                 GLboolean clear_blocked;
  83                 int clear_seq;
  84         } hierz;
  85 };
  86
  87 #define to_nouveau_context(ctx) ((struct nouveau_context *)(ctx))
  88
  89 #define context_dev(ctx) \
  90         (to_nouveau_context(ctx)->screen->device)
  91 #define context_chipset(ctx) \
  92         (context_dev(ctx)->chipset)
  93 #define context_chan(ctx) \
  94         (to_nouveau_context(ctx)->hw.chan)
  95 #define context_client(ctx) \
  96         (to_nouveau_context(ctx)->hw.client)
  97 #define context_push(ctx) \
  98         (to_nouveau_context(ctx)->hw.pushbuf)
  99 #define context_eng3d(ctx) \
 100         (to_nouveau_context(ctx)->hw.eng3d)
 101 #define context_drv(ctx) \
 102         (to_nouveau_context(ctx)->screen->driver)
 103 #define context_dirty(ctx, s) \
 104         BITSET_SET(to_nouveau_context(ctx)->dirty, NOUVEAU_STATE_##s)
 105 #define context_dirty_i(ctx, s, i) \
 106         BITSET_SET(to_nouveau_context(ctx)->dirty, NOUVEAU_STATE_##s##0 + i)
 107 #define context_emit(ctx, s) \
 108         context_drv(ctx)->emit[NOUVEAU_STATE_##s](ctx, NOUVEAU_STATE_##s)
 109
 110 GLboolean
 111 nouveau_context_create(gl_api api,
 112                        const struct gl_config *visual, __DRIcontext *dri_ctx,
 113                        const struct __DriverContextConfig *ctx_config,
 114                        unsigned *error, void *share_ctx);
 115
 116 GLboolean
 117 nouveau_context_init(struct gl_context *ctx, gl_api api,
 118                      struct nouveau_screen *screen,
 119                      const struct gl_config *visual, struct gl_context *share_ctx);
 120
 121 void
 122 nouveau_context_deinit(struct gl_context *ctx);
 123
 124 void
 125 nouveau_context_destroy(__DRIcontext *dri_ctx);
 126
 127 void
 128 nouveau_update_renderbuffers(__DRIcontext *dri_ctx, __DRIdrawable *draw);
 129
 130 GLboolean
 131 nouveau_context_make_current(__DRIcontext *dri_ctx, __DRIdrawable *ddraw,
 132                              __DRIdrawable *rdraw);
 133
 134 GLboolean
 135 nouveau_context_unbind(__DRIcontext *dri_ctx);
 136
 137 void
 138 nouveau_fallback(struct gl_context *ctx, enum nouveau_fallback mode);
 139
 140 void
 141 nouveau_validate_framebuffer(struct gl_context *ctx);
 142
 143 #endif
 144