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  1. /**************************************************************************
  2.  
  3. Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and
  4.                      Tungsten Graphics Inc., Cedar Park, Texas.
  5.  
  6. All Rights Reserved.
  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/imports.h"
  37. #include "main/mtypes.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.  
  44. #include "radeon_context.h"
  45. #include "radeon_ioctl.h"
  46. #include "radeon_state.h"
  47. #include "radeon_swtcl.h"
  48. #include "radeon_maos.h"
  49. #include "radeon_tcl.h"
  50.  
  51. static void emit_s0_vec(uint32_t *out, GLvoid *data, int stride, int count)
  52. {
  53.    int i;
  54.    if (RADEON_DEBUG & RADEON_VERTS)
  55.       fprintf(stderr, "%s count %d stride %d\n",
  56.               __FUNCTION__, count, stride);
  57.  
  58.    for (i = 0; i < count; i++) {
  59.       out[0] = *(int *)data;
  60.       out[1] = 0;
  61.       out += 2;
  62.       data += stride;
  63.    }
  64. }
  65.  
  66. static void emit_stq_vec(uint32_t *out, GLvoid *data, int stride, int count)
  67. {
  68.    int i;
  69.  
  70.    if (RADEON_DEBUG & RADEON_VERTS)
  71.       fprintf(stderr, "%s count %d stride %d\n",
  72.               __FUNCTION__, count, stride);
  73.  
  74.    for (i = 0; i < count; i++) {
  75.       out[0] = *(int *)data;
  76.       out[1] = *(int *)(data+4);
  77.       out[2] = *(int *)(data+12);
  78.       out += 3;
  79.       data += stride;
  80.    }
  81. }
  82.  
  83. static void emit_tex_vector(struct gl_context *ctx, struct radeon_aos *aos,
  84.                             GLvoid *data, int size, int stride, int count)
  85. {
  86.    radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
  87.    int emitsize;
  88.    uint32_t *out;
  89.  
  90.    if (RADEON_DEBUG & RADEON_VERTS)
  91.       fprintf(stderr, "%s %d/%d\n", __FUNCTION__, count, size);
  92.  
  93.    switch (size) {
  94.    case 4: emitsize = 3; break;
  95.    case 3: emitsize = 3; break;
  96.    default: emitsize = 2; break;
  97.    }
  98.  
  99.  
  100.    if (stride == 0) {
  101.       radeonAllocDmaRegion(rmesa, &aos->bo, &aos->offset, emitsize * 4, 32);
  102.       count = 1;
  103.       aos->stride = 0;
  104.    }
  105.    else {
  106.       radeonAllocDmaRegion(rmesa, &aos->bo, &aos->offset, emitsize * count * 4, 32);
  107.       aos->stride = emitsize;
  108.    }
  109.  
  110.    aos->components = emitsize;
  111.    aos->count = count;
  112.  
  113.    /* Emit the data
  114.     */
  115.    radeon_bo_map(aos->bo, 1);
  116.    out = (uint32_t*)((char*)aos->bo->ptr + aos->offset);
  117.    switch (size) {
  118.    case 1:
  119.       emit_s0_vec( out, data, stride, count );
  120.       break;
  121.    case 2:
  122.       radeonEmitVec8( out, data, stride, count );
  123.       break;
  124.    case 3:
  125.       radeonEmitVec12( out, data, stride, count );
  126.       break;
  127.    case 4:
  128.       emit_stq_vec( out, data, stride, count );
  129.       break;
  130.    default:
  131.       assert(0);
  132.       exit(1);
  133.       break;
  134.    }
  135.    radeon_bo_unmap(aos->bo);
  136. }
  137.  
  138.  
  139.  
  140.  
  141. /* Emit any changed arrays to new GART memory, re-emit a packet to
  142.  * update the arrays.  
  143.  */
  144. void radeonEmitArrays( struct gl_context *ctx, GLuint inputs )
  145. {
  146.    r100ContextPtr rmesa = R100_CONTEXT( ctx );
  147.    struct vertex_buffer *VB = &TNL_CONTEXT( ctx )->vb;
  148.    GLuint nr = 0;
  149.    GLuint vfmt = 0;
  150.    GLuint count = VB->Count;
  151.    GLuint vtx, unit;
  152.    
  153. #if 0
  154.    if (RADEON_DEBUG & RADEON_VERTS)
  155.       _tnl_print_vert_flags( __FUNCTION__, inputs );
  156. #endif
  157.  
  158.    if (1) {
  159.       if (!rmesa->tcl.obj.buf)
  160.         rcommon_emit_vector( ctx,
  161.                              &(rmesa->tcl.aos[nr]),
  162.                              (char *)VB->AttribPtr[_TNL_ATTRIB_POS]->data,
  163.                              VB->AttribPtr[_TNL_ATTRIB_POS]->size,
  164.                              VB->AttribPtr[_TNL_ATTRIB_POS]->stride,
  165.                              count);
  166.  
  167.       switch( VB->AttribPtr[_TNL_ATTRIB_POS]->size ) {
  168.       case 4: vfmt |= RADEON_CP_VC_FRMT_W0;
  169.       case 3: vfmt |= RADEON_CP_VC_FRMT_Z;
  170.       case 2: vfmt |= RADEON_CP_VC_FRMT_XY;
  171.       default:
  172.          break;
  173.       }
  174.       nr++;
  175.    }
  176.    
  177.  
  178.    if (inputs & VERT_BIT_NORMAL) {
  179.       if (!rmesa->tcl.norm.buf)
  180.          rcommon_emit_vector( ctx,
  181.                               &(rmesa->tcl.aos[nr]),
  182.                               (char *)VB->AttribPtr[_TNL_ATTRIB_NORMAL]->data,
  183.                               3,
  184.                               VB->AttribPtr[_TNL_ATTRIB_NORMAL]->stride,
  185.                               count);
  186.  
  187.       vfmt |= RADEON_CP_VC_FRMT_N0;
  188.       nr++;
  189.    }
  190.  
  191.    if (inputs & VERT_BIT_COLOR0) {
  192.       int emitsize;
  193.       if (VB->AttribPtr[_TNL_ATTRIB_COLOR0]->size == 4 &&
  194.           (VB->AttribPtr[_TNL_ATTRIB_COLOR0]->stride != 0 ||
  195.            VB->AttribPtr[_TNL_ATTRIB_COLOR0]->data[0][3] != 1.0)) {
  196.          vfmt |= RADEON_CP_VC_FRMT_FPCOLOR | RADEON_CP_VC_FRMT_FPALPHA;
  197.          emitsize = 4;
  198.       }
  199.  
  200.       else {
  201.          vfmt |= RADEON_CP_VC_FRMT_FPCOLOR;
  202.          emitsize = 3;
  203.       }
  204.  
  205.       if (!rmesa->tcl.rgba.buf)
  206.         rcommon_emit_vector( ctx,
  207.                              &(rmesa->tcl.aos[nr]),
  208.                              (char *)VB->AttribPtr[_TNL_ATTRIB_COLOR0]->data,
  209.                              emitsize,
  210.                              VB->AttribPtr[_TNL_ATTRIB_COLOR0]->stride,
  211.                              count);
  212.  
  213.       nr++;
  214.    }
  215.  
  216.  
  217.    if (inputs & VERT_BIT_COLOR1) {
  218.       if (!rmesa->tcl.spec.buf) {
  219.  
  220.         rcommon_emit_vector( ctx,
  221.                              &(rmesa->tcl.aos[nr]),
  222.                              (char *)VB->AttribPtr[_TNL_ATTRIB_COLOR1]->data,
  223.                              3,
  224.                              VB->AttribPtr[_TNL_ATTRIB_COLOR1]->stride,
  225.                              count);
  226.       }
  227.  
  228.       vfmt |= RADEON_CP_VC_FRMT_FPSPEC;
  229.       nr++;
  230.    }
  231.  
  232. /* FIXME: not sure if this is correct. May need to stitch this together with
  233.    secondary color. It seems odd that for primary color color and alpha values
  234.    are emitted together but for secondary color not. */
  235.    if (inputs & VERT_BIT_FOG) {
  236.       if (!rmesa->tcl.fog.buf)
  237.          rcommon_emit_vecfog( ctx,
  238.                               &(rmesa->tcl.aos[nr]),
  239.                               (char *)VB->AttribPtr[_TNL_ATTRIB_FOG]->data,
  240.                               VB->AttribPtr[_TNL_ATTRIB_FOG]->stride,
  241.                               count);
  242.  
  243.       vfmt |= RADEON_CP_VC_FRMT_FPFOG;
  244.       nr++;
  245.    }
  246.  
  247.  
  248.    vtx = (rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXFMT] &
  249.           ~(RADEON_TCL_VTX_Q0|RADEON_TCL_VTX_Q1|RADEON_TCL_VTX_Q2));
  250.      
  251.    for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
  252.       if (inputs & VERT_BIT_TEX(unit)) {
  253.          if (!rmesa->tcl.tex[unit].buf)
  254.             emit_tex_vector( ctx,
  255.                              &(rmesa->tcl.aos[nr]),
  256.                              (char *)VB->AttribPtr[_TNL_ATTRIB_TEX0 + unit]->data,
  257.                              VB->AttribPtr[_TNL_ATTRIB_TEX0 + unit]->size,
  258.                              VB->AttribPtr[_TNL_ATTRIB_TEX0 + unit]->stride,
  259.                              count );
  260.          nr++;
  261.  
  262.          vfmt |= RADEON_ST_BIT(unit);
  263.          /* assume we need the 3rd coord if texgen is active for r/q OR at least
  264.             3 coords are submitted. This may not be 100% correct */
  265.          if (VB->AttribPtr[_TNL_ATTRIB_TEX0 + unit]->size >= 3) {
  266.             vtx |= RADEON_Q_BIT(unit);
  267.             vfmt |= RADEON_Q_BIT(unit);
  268.          }
  269.          if ( (ctx->Texture.Unit[unit].TexGenEnabled & (R_BIT | Q_BIT)) )
  270.             vtx |= RADEON_Q_BIT(unit);
  271.          else if ((VB->AttribPtr[_TNL_ATTRIB_TEX0 + unit]->size >= 3) &&
  272.                   ((ctx->Texture.Unit[unit]._ReallyEnabled & (TEXTURE_CUBE_BIT)) == 0)) {
  273.             GLuint swaptexmatcol = (VB->AttribPtr[_TNL_ATTRIB_TEX0 + unit]->size - 3);
  274.             if (((rmesa->NeedTexMatrix >> unit) & 1) &&
  275.                  (swaptexmatcol != ((rmesa->TexMatColSwap >> unit) & 1)))
  276.                radeonUploadTexMatrix( rmesa, unit, swaptexmatcol ) ;
  277.          }
  278.       }
  279.    }
  280.  
  281.    if (vtx != rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXFMT]) {
  282.       RADEON_STATECHANGE( rmesa, tcl );
  283.       rmesa->hw.tcl.cmd[TCL_OUTPUT_VTXFMT] = vtx;
  284.    }
  285.  
  286.    rmesa->tcl.nr_aos_components = nr;
  287.    rmesa->tcl.vertex_format = vfmt;
  288. }
  289.  
  290.