src/mesa/drivers/dri/r200/r200_ioctl.h

   1 /*
   2 Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
   3
   4 The Weather Channel (TM) funded Tungsten Graphics to develop the
   5 initial release of the Radeon 8500 driver under the XFree86 license.
   6 This notice must be preserved.
   7
   8 Permission is hereby granted, free of charge, to any person obtaining
   9 a copy of this software and associated documentation files (the
  10 "Software"), to deal in the Software without restriction, including
  11 without limitation the rights to use, copy, modify, merge, publish,
  12 distribute, sublicense, and/or sell copies of the Software, and to
  13 permit persons to whom the Software is furnished to do so, subject to
  14 the following conditions:
  15
  16 The above copyright notice and this permission notice (including the
  17 next paragraph) shall be included in all copies or substantial
  18 portions of the Software.
  19
  20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  23 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  24 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27
  28 **************************************************************************/
  29
  30 /*
  31  * Authors:
  32  *   Keith Whitwell <keithw@vmware.com>
  33  */
  34
  35 #ifndef __R200_IOCTL_H__
  36 #define __R200_IOCTL_H__
  37
  38 #include "radeon_bo_gem.h"
  39 #include "radeon_cs_gem.h"
  40
  41 #include "xf86drm.h"
  42 #include "drm.h"
  43 #include "radeon_drm.h"
  44
  45 extern void r200EmitMaxVtxIndex(r200ContextPtr rmesa, int count);
  46 extern void r200EmitVertexAOS( r200ContextPtr rmesa,
  47                                GLuint vertex_size,
  48                                struct radeon_bo *bo,
  49                                GLuint offset );
  50
  51 extern void r200EmitVbufPrim( r200ContextPtr rmesa,
  52                                 GLuint primitive,
  53                                 GLuint vertex_nr );
  54
  55 extern void r200FlushElts(struct gl_context *ctx);
  56
  57 extern GLushort *r200AllocEltsOpenEnded( r200ContextPtr rmesa,
  58                                            GLuint primitive,
  59                                            GLuint min_nr );
  60
  61 extern void r200EmitAOS(r200ContextPtr rmesa, GLuint nr, GLuint offset);
  62
  63 extern void r200InitIoctlFuncs( struct dd_function_table *functions );
  64
  65 void r200SetUpAtomList( r200ContextPtr rmesa );
  66
  67 /* ================================================================
  68  * Helper macros:
  69  */
  70
  71 /* Close off the last primitive, if it exists.
  72  */
  73 #define R200_NEWPRIM( rmesa )                   \
  74 do {                                            \
  75    if ( rmesa->radeon.dma.flush )                       \
  76       rmesa->radeon.dma.flush( &rmesa->radeon.glCtx );  \
  77 } while (0)
  78
  79 /* Can accommodate several state changes and primitive changes without
  80  * actually firing the buffer.
  81  */
  82 #define R200_STATECHANGE( rmesa, ATOM )                 \
  83 do {                                                            \
  84    R200_NEWPRIM( rmesa );                                       \
  85    rmesa->hw.ATOM.dirty = GL_TRUE;                              \
  86    rmesa->radeon.hw.is_dirty = GL_TRUE;                         \
  87 } while (0)
  88
  89 #define R200_SET_STATE( rmesa, ATOM, index, newvalue )  \
  90   do {  \
  91     uint32_t __index = (index); \
  92     uint32_t __dword = (newvalue); \
  93     if (__dword != (rmesa)->hw.ATOM.cmd[__index]) { \
  94       R200_STATECHANGE( (rmesa), ATOM ); \
  95       (rmesa)->hw.ATOM.cmd[__index] = __dword; \
  96     } \
  97   } while(0)
  98
  99 #define R200_DB_STATE( ATOM )                           \
 100    memcpy( rmesa->hw.ATOM.lastcmd, rmesa->hw.ATOM.cmd,  \
 101            rmesa->hw.ATOM.cmd_size * 4)
 102
 103 static inline int R200_DB_STATECHANGE(
 104    r200ContextPtr rmesa,
 105    struct radeon_state_atom *atom )
 106 {
 107    if (memcmp(atom->cmd, atom->lastcmd, atom->cmd_size*4)) {
 108       GLuint *tmp;
 109       R200_NEWPRIM( rmesa );
 110       atom->dirty = GL_TRUE;
 111       rmesa->radeon.hw.is_dirty = GL_TRUE;
 112       tmp = atom->cmd;
 113       atom->cmd = atom->lastcmd;
 114       atom->lastcmd = tmp;
 115       return 1;
 116    }
 117    else
 118       return 0;
 119 }
 120
 121
 122 /* Command lengths.  Note that any time you ensure ELTS_BUFSZ or VBUF_BUFSZ
 123  * are available, you will also be adding an rmesa->state.max_state_size because
 124  * r200EmitState is called from within r200EmitVbufPrim and r200FlushElts.
 125  */
 126 #define AOS_BUFSZ(nr)   ((3 + ((nr / 2) * 3) + ((nr & 1) * 2) + nr*2))
 127 #define VERT_AOS_BUFSZ  (5)
 128 #define ELTS_BUFSZ(nr)  (12 + nr * 2)
 129 #define VBUF_BUFSZ      (3)
 130 #define SCISSOR_BUFSZ   (8)
 131 #define INDEX_BUFSZ     (8+2)
 132
 133 static inline uint32_t cmdpacket3(int cmd_type)
 134 {
 135   drm_radeon_cmd_header_t cmd;
 136
 137   cmd.i = 0;
 138   cmd.header.cmd_type = cmd_type;
 139
 140   return (uint32_t)cmd.i;
 141
 142 }
 143
 144 #define OUT_BATCH_PACKET3(packet, num_extra) do {             \
 145     OUT_BATCH(CP_PACKET2);                                    \
 146     OUT_BATCH(CP_PACKET3((packet), (num_extra)));             \
 147   } while(0)
 148
 149 #define OUT_BATCH_PACKET3_CLIP(packet, num_extra) do {        \
 150     OUT_BATCH(CP_PACKET2);                                    \
 151     OUT_BATCH(CP_PACKET3((packet), (num_extra)));             \
 152   } while(0)
 153
 154
 155 #endif /* __R200_IOCTL_H__ */