src/mesa/drivers/dri/r200/r200_maos_arrays.c

   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 <keith@tungstengraphics.com>
  33  */
  34
  35 #include "main/glheader.h"
  36 #include "main/mtypes.h"
  37 #include "main/colormac.h"
  38 #include "main/imports.h"
  39 #include "main/macros.h"
  40
  41 #include "swrast_setup/swrast_setup.h"
  42 #include "math/m_translate.h"
  43 #include "tnl/tnl.h"
  44 #include "tnl/t_context.h"
  45
  46 #include "r200_context.h"
  47 #include "r200_ioctl.h"
  48 #include "r200_state.h"
  49 #include "r200_swtcl.h"
  50 #include "r200_maos.h"
  51 #include "r200_tcl.h"
  52
  53 #if defined(USE_X86_ASM)
  54 #define COPY_DWORDS( dst, src, nr )                                     \
  55 do {                                                                    \
  56         int __tmp;                                                      \
  57         __asm__ __volatile__( "rep ; movsl"                             \
  58                               : "=%c" (__tmp), "=D" (dst), "=S" (__tmp) \
  59                               : "0" (nr),                               \
  60                                 "D" ((long)dst),                        \
  61                                 "S" ((long)src) );                      \
  62 } while (0)
  63 #else
  64 #define COPY_DWORDS( dst, src, nr )             \
  65 do {                                            \
  66    int j;                                       \
  67    for ( j = 0 ; j < nr ; j++ )                 \
  68       dst[j] = ((int *)src)[j];                 \
  69    dst += nr;                                   \
  70 } while (0)
  71 #endif
  72
  73 /* Emit any changed arrays to new GART memory, re-emit a packet to
  74  * update the arrays.
  75  */
  76 void r200EmitArrays( struct gl_context *ctx, GLubyte *vimap_rev )
  77 {
  78    r200ContextPtr rmesa = R200_CONTEXT( ctx );
  79    struct vertex_buffer *VB = &TNL_CONTEXT( ctx )->vb;
  80    GLuint nr = 0;
  81    GLuint vfmt0 = 0, vfmt1 = 0;
  82    GLuint count = VB->Count;
  83    GLuint i, emitsize;
  84
  85    //   fprintf(stderr,"emit arrays\n");
  86    for ( i = 0; i < 15; i++ ) {
  87       GLubyte attrib = vimap_rev[i];
  88       if (attrib != 255) {
  89          switch (i) {
  90          case 0:
  91             emitsize = (VB->AttribPtr[attrib]->size);
  92             switch (emitsize) {
  93             case 4:
  94                vfmt0 |= R200_VTX_W0;
  95                /* fallthrough */
  96             case 3:
  97                vfmt0 |= R200_VTX_Z0;
  98                break;
  99             case 2:
 100                break;
 101             default: assert(0);
 102             }
 103             break;
 104          case 1:
 105             assert(attrib == VERT_ATTRIB_WEIGHT);
 106             emitsize = (VB->AttribPtr[attrib]->size);
 107             vfmt0 |= emitsize << R200_VTX_WEIGHT_COUNT_SHIFT;
 108             break;
 109          case 2:
 110             assert(attrib == VERT_ATTRIB_NORMAL);
 111             emitsize = 3;
 112             vfmt0 |= R200_VTX_N0;
 113             break;
 114          case 3:
 115             /* special handling to fix up fog. Will get us into trouble with vbos...*/
 116             assert(attrib == VERT_ATTRIB_FOG);
 117             if (!rmesa->radeon.tcl.aos[i].bo) {
 118                if (ctx->VertexProgram._Enabled)
 119                   rcommon_emit_vector( ctx,
 120                                        &(rmesa->radeon.tcl.aos[nr]),
 121                                        (char *)VB->AttribPtr[attrib]->data,
 122                                        1,
 123                                        VB->AttribPtr[attrib]->stride,
 124                                        count);
 125                else
 126                  rcommon_emit_vecfog( ctx,
 127                                       &(rmesa->radeon.tcl.aos[nr]),
 128                                       (char *)VB->AttribPtr[attrib]->data,
 129                                       VB->AttribPtr[attrib]->stride,
 130                                       count);
 131             }
 132             vfmt0 |= R200_VTX_DISCRETE_FOG;
 133             goto after_emit;
 134             break;
 135          case 4:
 136          case 5:
 137          case 6:
 138          case 7:
 139             if (VB->AttribPtr[attrib]->size == 4 &&
 140                (VB->AttribPtr[attrib]->stride != 0 ||
 141                 VB->AttribPtr[attrib]->data[0][3] != 1.0)) emitsize = 4;
 142             else emitsize = 3;
 143             if (emitsize == 4)
 144                vfmt0 |= R200_VTX_FP_RGBA << (R200_VTX_COLOR_0_SHIFT + (i - 4) * 2);
 145             else {
 146                vfmt0 |= R200_VTX_FP_RGB << (R200_VTX_COLOR_0_SHIFT + (i - 4) * 2);
 147             }
 148             break;
 149          case 8:
 150          case 9:
 151          case 10:
 152          case 11:
 153          case 12:
 154          case 13:
 155             emitsize = VB->AttribPtr[attrib]->size;
 156             vfmt1 |= emitsize << (R200_VTX_TEX0_COMP_CNT_SHIFT + (i - 8) * 3);
 157             break;
 158          case 14:
 159             emitsize = VB->AttribPtr[attrib]->size >= 2 ? VB->AttribPtr[attrib]->size : 2;
 160             switch (emitsize) {
 161             case 2:
 162                vfmt0 |= R200_VTX_XY1;
 163                /* fallthrough */
 164             case 3:
 165                vfmt0 |= R200_VTX_Z1;
 166                /* fallthrough */
 167             case 4:
 168                vfmt0 |= R200_VTX_W1;
 169             break;
 170             }
 171          default:
 172             assert(0);
 173             emitsize = 0;
 174          }
 175          if (!rmesa->radeon.tcl.aos[nr].bo) {
 176            rcommon_emit_vector( ctx,
 177                                 &(rmesa->radeon.tcl.aos[nr]),
 178                                 (char *)VB->AttribPtr[attrib]->data,
 179                                 emitsize,
 180                                 VB->AttribPtr[attrib]->stride,
 181                                 count );
 182          }
 183 after_emit:
 184          assert(nr < 12);
 185          nr++;
 186       }
 187    }
 188
 189    if (vfmt0 != rmesa->hw.vtx.cmd[VTX_VTXFMT_0] ||
 190        vfmt1 != rmesa->hw.vtx.cmd[VTX_VTXFMT_1]) {
 191       R200_STATECHANGE( rmesa, vtx );
 192       rmesa->hw.vtx.cmd[VTX_VTXFMT_0] = vfmt0;
 193       rmesa->hw.vtx.cmd[VTX_VTXFMT_1] = vfmt1;
 194    }
 195
 196    rmesa->radeon.tcl.aos_count = nr;
 197 }
 198