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