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

   1 /**************************************************************************
   2
   3 Copyright 2006 Stephane Marchesin
   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 "Software"),
   8 to deal in the Software without restriction, including without limitation
   9 on the rights to use, copy, modify, merge, publish, distribute, sub
  10 license, and/or sell copies of the Software, and to permit persons to whom
  11 the Software is furnished to do so, subject to the following conditions:
  12
  13 The above copyright notice and this permission notice (including the next
  14 paragraph) shall be included in all copies or substantial portions of the
  15 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 NON-INFRINGEMENT. IN NO EVENT SHALL
  20 ERIC ANHOLT OR SILICON INTEGRATED SYSTEMS CORP BE LIABLE FOR ANY CLAIM,
  21 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  22 OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  23 USE OR OTHER DEALINGS IN THE SOFTWARE.
  24
  25 **************************************************************************/
  26
  27
  28
  29 #ifndef __NOUVEAU_CONTEXT_H__
  30 #define __NOUVEAU_CONTEXT_H__
  31
  32 #include "dri_util.h"
  33 #include "drm.h"
  34 #include "nouveau_drm.h"
  35
  36 #include "mtypes.h"
  37 #include "tnl/t_vertex.h"
  38
  39 #include "nouveau_fbo.h"
  40 #include "nouveau_screen.h"
  41 #include "nouveau_shader.h"
  42 #include "nouveau_state_cache.h"
  43 #include "nouveau_sync.h"
  44
  45 #include "xmlconfig.h"
  46
  47 typedef struct nouveau_fifo {
  48         struct drm_nouveau_channel_alloc drm;
  49         uint32_t *pushbuf;
  50         uint32_t *mmio;
  51         uint32_t *notifier_block;
  52         uint32_t  current;
  53         uint32_t  put;
  54         uint32_t  free;
  55         uint32_t  max;
  56 } nouveau_fifo_t;
  57
  58 #define TAG(x) nouveau##x
  59 #include "tnl_dd/t_dd_vertex.h"
  60 #undef TAG
  61
  62 /* Subpixel offsets for window coordinates (triangles): */
  63 #define SUBPIXEL_X  (0.0F)
  64 #define SUBPIXEL_Y  (0.125F)
  65
  66 struct nouveau_context;
  67
  68 typedef void (*nouveau_tri_func)( struct nouveau_context*,
  69                 nouveauVertex *,
  70                 nouveauVertex *,
  71                 nouveauVertex * );
  72
  73 typedef void (*nouveau_line_func)( struct nouveau_context*,
  74                 nouveauVertex *,
  75                 nouveauVertex * );
  76
  77 typedef void (*nouveau_point_func)( struct nouveau_context*,
  78                 nouveauVertex * );
  79
  80 typedef struct nouveau_hw_func_t {
  81         /* Initialise any card-specific non-GL related state */
  82         GLboolean (*InitCard)(struct nouveau_context *);
  83         /* Update buffer offset/pitch/format */
  84         GLboolean (*BindBuffers)(struct nouveau_context *, int num_color,
  85                                  nouveau_renderbuffer_t **color,
  86                                  nouveau_renderbuffer_t *depth);
  87         /* Update anything that depends on the window position/size */
  88         void      (*WindowMoved)(struct nouveau_context *);
  89 } nouveau_hw_func;
  90
  91 typedef struct nouveau_context {
  92         /* Mesa context */
  93         GLcontext *glCtx;
  94
  95         /* The per-context fifo */
  96         nouveau_fifo_t fifo;
  97
  98         /* Physical addresses of AGP/VRAM apertures */
  99         uint64_t vram_phys;
 100         uint64_t vram_size;
 101         uint64_t gart_phys;
 102         uint64_t gart_size;
 103
 104         /* Channel synchronisation */
 105         struct drm_nouveau_notifierobj_alloc *syncNotifier;
 106
 107         /* ARB_occlusion_query / EXT_timer_query */
 108         GLuint            query_object_max;
 109         GLboolean *       query_alloc;
 110         struct drm_nouveau_notifierobj_alloc *queryNotifier;
 111
 112         /* Additional hw-specific functions */
 113         nouveau_hw_func hw_func;
 114
 115         /* FIXME : do we want to put all state into a separate struct ? */
 116         /* State for tris */
 117         GLuint color_offset;
 118         GLuint specular_offset;
 119
 120         /* Vertex state */
 121         GLuint vertex_size;
 122         GLubyte *verts;
 123         struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 124         GLuint vertex_attr_count;
 125
 126         /* Color and depth renderbuffers */
 127         nouveau_renderbuffer_t *color_buffer;
 128         nouveau_renderbuffer_t *depth_buffer;
 129
 130         /* Color buffer clear value */
 131         uint32_t clear_color_value;
 132
 133         /* Depth/stencil clear value */
 134         uint32_t clear_value;
 135
 136         /* Light state */
 137         GLboolean lighting_enabled;
 138         uint32_t enabled_lights;
 139
 140         /* Cached state */
 141         nouveau_state_cache state_cache;
 142
 143         /* The drawing fallbacks */
 144         GLuint Fallback;
 145         nouveau_tri_func draw_tri;
 146         nouveau_line_func draw_line;
 147         nouveau_point_func draw_point;
 148
 149         /* Cliprects information */
 150         GLuint numClipRects;
 151         drm_clip_rect_t *pClipRects;
 152         drm_clip_rect_t osClipRect;
 153         GLuint drawX, drawY, drawW, drawH;
 154
 155         /* The rendering context information */
 156         GLenum current_primitive; /* the current primitive enum */
 157         DECLARE_RENDERINPUTS(render_inputs_bitset); /* the current render inputs */
 158
 159         /* Shader state */
 160         nvsFunc VPfunc;
 161         nvsFunc FPfunc;
 162         nouveauShader *current_fragprog;
 163         nouveauShader *current_vertprog;
 164         nouveauShader *passthrough_vp;
 165         nouveauShader *passthrough_fp;
 166
 167         nouveauScreenRec *screen;
 168         struct drm_nouveau_sarea *sarea;
 169
 170         __DRIcontextPrivate  *driContext;    /* DRI context */
 171         __DRIscreenPrivate   *driScreen;     /* DRI screen */
 172         __DRIdrawablePrivate *driDrawable;   /* DRI drawable bound to this ctx */
 173         GLint lastStamp;
 174
 175         drm_context_t hHWContext;
 176         drm_hw_lock_t *driHwLock;
 177         int driFd;
 178
 179         /* Configuration cache */
 180         driOptionCache optionCache;
 181
 182         /* vblank stuff */
 183         uint32_t vblank_flags;
 184         uint32_t vblank_seq;
 185
 186         GLuint new_state;
 187         GLuint new_render_state;
 188         GLuint render_index;
 189         GLmatrix viewport;
 190         GLfloat depth_scale;
 191
 192 }nouveauContextRec, *nouveauContextPtr;
 193
 194
 195 #define NOUVEAU_CONTEXT(ctx)            ((nouveauContextPtr)(ctx->DriverCtx))
 196
 197 /* Flags for software fallback cases: */
 198 #define NOUVEAU_FALLBACK_TEXTURE                0x0001
 199 #define NOUVEAU_FALLBACK_DRAW_BUFFER            0x0002
 200 #define NOUVEAU_FALLBACK_READ_BUFFER            0x0004
 201 #define NOUVEAU_FALLBACK_STENCIL                0x0008
 202 #define NOUVEAU_FALLBACK_RENDER_MODE            0x0010
 203 #define NOUVEAU_FALLBACK_LOGICOP                0x0020
 204 #define NOUVEAU_FALLBACK_SEP_SPECULAR           0x0040
 205 #define NOUVEAU_FALLBACK_BLEND_EQ               0x0080
 206 #define NOUVEAU_FALLBACK_BLEND_FUNC             0x0100
 207 #define NOUVEAU_FALLBACK_PROJTEX                0x0200
 208 #define NOUVEAU_FALLBACK_DISABLE                0x0400
 209
 210
 211 extern GLboolean nouveauCreateContext( const __GLcontextModes *glVisual,
 212                 __DRIcontextPrivate *driContextPriv,
 213                 void *sharedContextPrivate );
 214
 215 extern void nouveauDestroyContext( __DRIcontextPrivate * );
 216
 217 extern GLboolean nouveauMakeCurrent( __DRIcontextPrivate *driContextPriv,
 218                 __DRIdrawablePrivate *driDrawPriv,
 219                 __DRIdrawablePrivate *driReadPriv );
 220
 221 extern GLboolean nouveauUnbindContext( __DRIcontextPrivate *driContextPriv );
 222
 223 extern void nouveauDoSwapBuffers(nouveauContextPtr nmesa,
 224                                  __DRIdrawablePrivate *dPriv);
 225
 226 extern void nouveauSwapBuffers(__DRIdrawablePrivate *dPriv);
 227
 228 extern void nouveauCopySubBuffer(__DRIdrawablePrivate *dPriv,
 229                                  int x, int y, int w, int h);
 230
 231 /* Debugging utils: */
 232 extern int NOUVEAU_DEBUG;
 233
 234 #define DEBUG_SHADERS   0x00000001
 235 #define DEBUG_MEM       0x00000002
 236 #define DEBUG_BUFFEROBJ 0x00000004
 237
 238 #endif /* __NOUVEAU_CONTEXT_H__ */
 239