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 "util/imports.h"
  38 #include "main/macros.h"
  39 #include "main/state.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             unreachable("r200: vertex weight attrib unsupported");
 106             break;
 107          case 2:
 108             assert(attrib == VERT_ATTRIB_NORMAL);
 109             emitsize = 3;
 110             vfmt0 |= R200_VTX_N0;
 111             break;
 112          case 3:
 113             /* special handling to fix up fog. Will get us into trouble with vbos...*/
 114             assert(attrib == VERT_ATTRIB_FOG);
 115             if (!rmesa->radeon.tcl.aos[i].bo) {
 116                if (_mesa_arb_vertex_program_enabled(ctx))
 117                   rcommon_emit_vector( ctx,
 118                                        &(rmesa->radeon.tcl.aos[nr]),
 119                                        (char *)VB->AttribPtr[attrib]->data,
 120                                        1,
 121                                        VB->AttribPtr[attrib]->stride,
 122                                        count);
 123                else
 124                  rcommon_emit_vecfog( ctx,
 125                                       &(rmesa->radeon.tcl.aos[nr]),
 126                                       (char *)VB->AttribPtr[attrib]->data,
 127                                       VB->AttribPtr[attrib]->stride,
 128                                       count);
 129             }
 130             vfmt0 |= R200_VTX_DISCRETE_FOG;
 131             goto after_emit;
 132             break;
 133          case 4:
 134          case 5:
 135          case 6:
 136          case 7:
 137             if (VB->AttribPtr[attrib]->size == 4 &&
 138                (VB->AttribPtr[attrib]->stride != 0 ||
 139                 VB->AttribPtr[attrib]->data[0][3] != 1.0)) emitsize = 4;
 140             else emitsize = 3;
 141             if (emitsize == 4)
 142                vfmt0 |= R200_VTX_FP_RGBA << (R200_VTX_COLOR_0_SHIFT + (i - 4) * 2);
 143             else {
 144                vfmt0 |= R200_VTX_FP_RGB << (R200_VTX_COLOR_0_SHIFT + (i - 4) * 2);
 145             }
 146             break;
 147          case 8:
 148          case 9:
 149          case 10:
 150          case 11:
 151          case 12:
 152          case 13:
 153             emitsize = VB->AttribPtr[attrib]->size;
 154             vfmt1 |= emitsize << (R200_VTX_TEX0_COMP_CNT_SHIFT + (i - 8) * 3);
 155             break;
 156          case 14:
 157             emitsize = VB->AttribPtr[attrib]->size >= 2 ? VB->AttribPtr[attrib]->size : 2;
 158             switch (emitsize) {
 159             case 2:
 160                vfmt0 |= R200_VTX_XY1;
 161                /* fallthrough */
 162             case 3:
 163                vfmt0 |= R200_VTX_Z1;
 164                /* fallthrough */
 165             case 4:
 166                vfmt0 |= R200_VTX_W1;
 167                /* fallthrough */
 168             }
 169             break;
 170          default:
 171             assert(0);
 172             emitsize = 0;
 173          }
 174          if (!rmesa->radeon.tcl.aos[nr].bo) {
 175            rcommon_emit_vector( ctx,
 176                                 &(rmesa->radeon.tcl.aos[nr]),
 177                                 (char *)VB->AttribPtr[attrib]->data,
 178                                 emitsize,
 179                                 VB->AttribPtr[attrib]->stride,
 180                                 count );
 181          }
 182 after_emit:
 183          assert(nr < 12);
 184          nr++;
 185       }
 186    }
 187
 188    if (vfmt0 != rmesa->hw.vtx.cmd[VTX_VTXFMT_0] ||
 189        vfmt1 != rmesa->hw.vtx.cmd[VTX_VTXFMT_1]) {
 190       R200_STATECHANGE( rmesa, vtx );
 191       rmesa->hw.vtx.cmd[VTX_VTXFMT_0] = vfmt0;
 192       rmesa->hw.vtx.cmd[VTX_VTXFMT_1] = vfmt1;
 193    }
 194
 195    rmesa->radeon.tcl.aos_count = nr;
 196 }
 197