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_screen.h"
  40 #include "nouveau_state_cache.h"
  41 #include "nouveau_buffers.h"
  42 #include "nouveau_shader.h"
  43
  44 #include "xmlconfig.h"
  45
  46 typedef struct nouveau_fifo_t{
  47         u_int32_t* buffer;
  48         u_int32_t* mmio;
  49         u_int32_t put_base;
  50         u_int32_t current;
  51         u_int32_t put;
  52         u_int32_t free;
  53         u_int32_t max;
  54 }
  55 nouveau_fifo;
  56
  57 #define TAG(x) nouveau##x
  58 #include "tnl_dd/t_dd_vertex.h"
  59 #undef TAG
  60
  61 /* Subpixel offsets for window coordinates (triangles): */
  62 #define SUBPIXEL_X  (0.0F)
  63 #define SUBPIXEL_Y  (0.125F)
  64
  65 struct nouveau_context;
  66
  67 typedef void (*nouveau_tri_func)( struct nouveau_context*,
  68                 nouveauVertex *,
  69                 nouveauVertex *,
  70                 nouveauVertex * );
  71
  72 typedef void (*nouveau_line_func)( struct nouveau_context*,
  73                 nouveauVertex *,
  74                 nouveauVertex * );
  75
  76 typedef void (*nouveau_point_func)( struct nouveau_context*,
  77                 nouveauVertex * );
  78
  79 typedef struct nouveau_hw_func_t {
  80         /* Initialise any card-specific non-GL related state */
  81         GLboolean (*InitCard)(struct nouveau_context *);
  82         /* Update buffer offset/pitch/format */
  83         GLboolean (*BindBuffers)(struct nouveau_context *, int num_color,
  84                                  nouveau_renderbuffer **color,
  85                                  nouveau_renderbuffer *depth);
  86         /* Update anything that depends on the window position/size */
  87         void      (*WindowMoved)(struct nouveau_context *);
  88 } nouveau_hw_func;
  89
  90 typedef struct nouveau_context {
  91         /* Mesa context */
  92         GLcontext *glCtx;
  93
  94         /* The per-context fifo */
  95         nouveau_fifo fifo;
  96
  97         /* The read-only regs */
  98         volatile unsigned char* mmio;
  99
 100         /* Physical addresses of AGP/VRAM apertures */
 101         uint64_t vram_phys;
 102         uint64_t agp_phys;
 103
 104         /* Additional hw-specific functions */
 105         nouveau_hw_func hw_func;
 106
 107         /* FIXME : do we want to put all state into a separate struct ? */
 108         /* State for tris */
 109         GLuint color_offset;
 110         GLuint specular_offset;
 111
 112         /* Vertex state */
 113         GLuint vertex_size;
 114         GLubyte *verts;
 115         struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
 116         GLuint vertex_attr_count;
 117
 118         /* Depth/stencil clear state */
 119         uint32_t clear_value;
 120
 121         /* Light state */
 122         GLboolean lighting_enabled;
 123         uint32_t enabled_lights;
 124
 125         /* Cached state */
 126         nouveau_state_cache state_cache;
 127
 128         /* The drawing fallbacks */
 129         GLuint Fallback;
 130         nouveau_tri_func draw_tri;
 131         nouveau_line_func draw_line;
 132         nouveau_point_func draw_point;
 133
 134         /* Cliprects information */
 135         GLuint numClipRects;
 136         drm_clip_rect_t *pClipRects;
 137
 138         /* The rendering context information */
 139         GLenum current_primitive; /* the current primitive enum */
 140         DECLARE_RENDERINPUTS(render_inputs_bitset); /* the current render inputs */
 141
 142         /* Shader state */
 143         nvsFunc VPfunc;
 144         nvsFunc FPfunc;
 145         nouveauShader *current_fragprog;
 146         nouveauShader *current_vertprog;
 147
 148         nouveauScreenRec *screen;
 149         drm_nouveau_sarea_t *sarea;
 150
 151         __DRIcontextPrivate  *driContext;    /* DRI context */
 152         __DRIscreenPrivate   *driScreen;     /* DRI screen */
 153         __DRIdrawablePrivate *driDrawable;   /* DRI drawable bound to this ctx */
 154         GLint lastStamp;
 155
 156         drm_context_t hHWContext;
 157         drm_hw_lock_t *driHwLock;
 158         int driFd;
 159
 160         /* Configuration cache */
 161         driOptionCache optionCache;
 162
 163         /* vblank stuff */
 164         uint32_t vblank_flags;
 165         uint32_t vblank_seq;
 166
 167         GLuint new_state;
 168         GLuint new_render_state;
 169         GLuint render_index;
 170         GLmatrix viewport;
 171         GLfloat depth_scale;
 172
 173 }nouveauContextRec, *nouveauContextPtr;
 174
 175
 176 #define NOUVEAU_CONTEXT(ctx)            ((nouveauContextPtr)(ctx->DriverCtx))
 177
 178 /* Flags for software fallback cases: */
 179 #define NOUVEAU_FALLBACK_TEXTURE                0x0001
 180 #define NOUVEAU_FALLBACK_DRAW_BUFFER            0x0002
 181 #define NOUVEAU_FALLBACK_READ_BUFFER            0x0004
 182 #define NOUVEAU_FALLBACK_STENCIL                0x0008
 183 #define NOUVEAU_FALLBACK_RENDER_MODE            0x0010
 184 #define NOUVEAU_FALLBACK_LOGICOP                0x0020
 185 #define NOUVEAU_FALLBACK_SEP_SPECULAR           0x0040
 186 #define NOUVEAU_FALLBACK_BLEND_EQ               0x0080
 187 #define NOUVEAU_FALLBACK_BLEND_FUNC             0x0100
 188 #define NOUVEAU_FALLBACK_PROJTEX                0x0200
 189 #define NOUVEAU_FALLBACK_DISABLE                0x0400
 190
 191
 192 extern GLboolean nouveauCreateContext( const __GLcontextModes *glVisual,
 193                 __DRIcontextPrivate *driContextPriv,
 194                 void *sharedContextPrivate );
 195
 196 extern void nouveauDestroyContext( __DRIcontextPrivate * );
 197
 198 extern GLboolean nouveauMakeCurrent( __DRIcontextPrivate *driContextPriv,
 199                 __DRIdrawablePrivate *driDrawPriv,
 200                 __DRIdrawablePrivate *driReadPriv );
 201
 202 extern GLboolean nouveauUnbindContext( __DRIcontextPrivate *driContextPriv );
 203
 204 extern void nouveauSwapBuffers(__DRIdrawablePrivate *dPriv);
 205
 206 extern void nouveauCopySubBuffer(__DRIdrawablePrivate *dPriv,
 207                                  int x, int y, int w, int h);
 208
 209 #endif /* __NOUVEAU_CONTEXT_H__ */
 210