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
  90         /* Update projection matrix */
  91         void    (*UpdateProjectionMatrix)(GLcontext *);
  92
  93         /* Update modelview matrix (used for lighting and vertex weight) */
  94         void    (*UpdateModelviewMatrix)(GLcontext *);
  95 } nouveau_hw_func;
  96
  97 typedef struct nouveau_context {
  98         /* Mesa context */
  99         GLcontext *glCtx;
 100
 101         /* The per-context fifo */
 102         nouveau_fifo_t fifo;
 103
 104         /* Physical addresses of AGP/VRAM apertures */
 105         uint64_t vram_phys;
 106         uint64_t vram_size;
 107         uint64_t gart_phys;
 108         uint64_t gart_size;
 109
 110         /* Channel synchronisation */
 111         struct drm_nouveau_notifierobj_alloc *syncNotifier;
 112
 113         /* ARB_occlusion_query / EXT_timer_query */
 114         GLuint            query_object_max;
 115         GLboolean *       query_alloc;
 116         struct drm_nouveau_notifierobj_alloc *queryNotifier;
 117
 118         /* Additional hw-specific functions */
 119         nouveau_hw_func hw_func;
 120
 121         /* FIXME : do we want to put all state into a separate struct ? */
 122         /* State for tris */
 123         GLuint color_offset;
 124         GLuint specular_offset;
 125
 126         /* Vertex state */
 127         GLuint vertex_size;
 128         GLubyte *verts;
 129         struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 130         GLuint vertex_attr_count;
 131
 132         /* Color and depth renderbuffers */
 133         nouveau_renderbuffer_t *color_buffer;
 134         nouveau_renderbuffer_t *depth_buffer;
 135
 136         /* Depth/stencil clear value */
 137         uint32_t clear_value;
 138
 139         /* Light state */
 140         GLboolean lighting_enabled;
 141         uint32_t enabled_lights;
 142
 143         /* Cached state */
 144         nouveau_state_cache state_cache;
 145
 146         /* The drawing fallbacks */
 147         GLuint Fallback;
 148         nouveau_tri_func draw_tri;
 149         nouveau_line_func draw_line;
 150         nouveau_point_func draw_point;
 151
 152         /* Cliprects information */
 153         GLuint numClipRects;
 154         drm_clip_rect_t *pClipRects;
 155         drm_clip_rect_t osClipRect;
 156         GLuint drawX, drawY, drawW, drawH;
 157
 158         /* The rendering context information */
 159         GLenum current_primitive; /* the current primitive enum */
 160         DECLARE_RENDERINPUTS(render_inputs_bitset); /* the current render inputs */
 161
 162         /* Shader state */
 163         nvsFunc VPfunc;
 164         nvsFunc FPfunc;
 165         nouveauShader *current_fragprog;
 166         nouveauShader *current_vertprog;
 167         nouveauShader *passthrough_vp;
 168         nouveauShader *passthrough_fp;
 169
 170         nouveauScreenRec *screen;
 171         struct drm_nouveau_sarea *sarea;
 172
 173         __DRIcontextPrivate  *driContext;    /* DRI context */
 174         __DRIscreenPrivate   *driScreen;     /* DRI screen */
 175         __DRIdrawablePrivate *driDrawable;   /* DRI drawable bound to this ctx */
 176         GLint lastStamp;
 177
 178         drm_context_t hHWContext;
 179         drm_hw_lock_t *driHwLock;
 180         int driFd;
 181
 182         /* Configuration cache */
 183         driOptionCache optionCache;
 184
 185         /* vblank stuff */
 186         uint32_t vblank_flags;
 187         uint32_t vblank_seq;
 188
 189         GLuint new_state;
 190         GLuint new_render_state;
 191         GLuint render_index;
 192         GLmatrix viewport;
 193         GLfloat depth_scale;
 194
 195 }nouveauContextRec, *nouveauContextPtr;
 196
 197
 198 #define NOUVEAU_CONTEXT(ctx)            ((nouveauContextPtr)(ctx->DriverCtx))
 199
 200 /* Flags for software fallback cases: */
 201 #define NOUVEAU_FALLBACK_TEXTURE                0x0001
 202 #define NOUVEAU_FALLBACK_DRAW_BUFFER            0x0002
 203 #define NOUVEAU_FALLBACK_READ_BUFFER            0x0004
 204 #define NOUVEAU_FALLBACK_STENCIL                0x0008
 205 #define NOUVEAU_FALLBACK_RENDER_MODE            0x0010
 206 #define NOUVEAU_FALLBACK_LOGICOP                0x0020
 207 #define NOUVEAU_FALLBACK_SEP_SPECULAR           0x0040
 208 #define NOUVEAU_FALLBACK_BLEND_EQ               0x0080
 209 #define NOUVEAU_FALLBACK_BLEND_FUNC             0x0100
 210 #define NOUVEAU_FALLBACK_PROJTEX                0x0200
 211 #define NOUVEAU_FALLBACK_DISABLE                0x0400
 212
 213
 214 extern GLboolean nouveauCreateContext( const __GLcontextModes *glVisual,
 215                 __DRIcontextPrivate *driContextPriv,
 216                 void *sharedContextPrivate );
 217
 218 extern void nouveauDestroyContext( __DRIcontextPrivate * );
 219
 220 extern GLboolean nouveauMakeCurrent( __DRIcontextPrivate *driContextPriv,
 221                 __DRIdrawablePrivate *driDrawPriv,
 222                 __DRIdrawablePrivate *driReadPriv );
 223
 224 extern GLboolean nouveauUnbindContext( __DRIcontextPrivate *driContextPriv );
 225
 226 extern void nouveauDoSwapBuffers(nouveauContextPtr nmesa,
 227                                  __DRIdrawablePrivate *dPriv);
 228
 229 extern void nouveauSwapBuffers(__DRIdrawablePrivate *dPriv);
 230
 231 extern void nouveauCopySubBuffer(__DRIdrawablePrivate *dPriv,
 232                                  int x, int y, int w, int h);
 233
 234 extern void nouveauClearBuffer(GLcontext *ctx, nouveau_renderbuffer_t *buffer,
 235         int fill, int mask);
 236
 237 /* Debugging utils: */
 238 extern int NOUVEAU_DEBUG;
 239
 240 #define DEBUG_SHADERS   0x00000001
 241 #define DEBUG_MEM       0x00000002
 242 #define DEBUG_BUFFEROBJ 0x00000004
 243
 244 #endif /* __NOUVEAU_CONTEXT_H__ */
 245