src/gallium/drivers/nv50/nv50_vbo.c

   1 #include "pipe/p_context.h"
   2 #include "pipe/p_state.h"
   3 #include "pipe/p_util.h"
   4
   5 #include "nv50_context.h"
   6
   7 static INLINE unsigned
   8 nv50_prim(unsigned mode)
   9 {
  10         switch (mode) {
  11         case PIPE_PRIM_POINTS: return NV50TCL_VERTEX_BEGIN_POINTS;
  12         case PIPE_PRIM_LINES: return NV50TCL_VERTEX_BEGIN_LINES;
  13         case PIPE_PRIM_LINE_LOOP: return NV50TCL_VERTEX_BEGIN_LINE_LOOP;
  14         case PIPE_PRIM_LINE_STRIP: return NV50TCL_VERTEX_BEGIN_LINE_STRIP;
  15         case PIPE_PRIM_TRIANGLES: return NV50TCL_VERTEX_BEGIN_TRIANGLES;
  16         case PIPE_PRIM_TRIANGLE_STRIP:
  17                 return NV50TCL_VERTEX_BEGIN_TRIANGLE_STRIP;
  18         case PIPE_PRIM_TRIANGLE_FAN: return NV50TCL_VERTEX_BEGIN_TRIANGLE_FAN;
  19         case PIPE_PRIM_QUADS: return NV50TCL_VERTEX_BEGIN_QUADS;
  20         case PIPE_PRIM_QUAD_STRIP: return NV50TCL_VERTEX_BEGIN_QUAD_STRIP;
  21         case PIPE_PRIM_POLYGON: return NV50TCL_VERTEX_BEGIN_POLYGON;
  22         default:
  23                 break;
  24         }
  25
  26         NOUVEAU_ERR("invalid primitive type %d\n", mode);
  27         return NV50TCL_VERTEX_BEGIN_POINTS;
  28 }
  29
  30 boolean
  31 nv50_draw_arrays(struct pipe_context *pipe, unsigned mode, unsigned start,
  32                  unsigned count)
  33 {
  34         struct nv50_context *nv50 = nv50_context(pipe);
  35
  36         nv50_state_validate(nv50);
  37
  38         BEGIN_RING(tesla, 0x142c, 1);
  39         OUT_RING  (0);
  40         BEGIN_RING(tesla, 0x142c, 1);
  41         OUT_RING  (0);
  42
  43         BEGIN_RING(tesla, NV50TCL_VERTEX_BEGIN, 1);
  44         OUT_RING  (nv50_prim(mode));
  45         BEGIN_RING(tesla, NV50TCL_VERTEX_BUFFER_FIRST, 2);
  46         OUT_RING  (start);
  47         OUT_RING  (count);
  48         BEGIN_RING(tesla, NV50TCL_VERTEX_END, 1);
  49         OUT_RING  (0);
  50
  51         pipe->flush(pipe, 0, NULL);
  52         return TRUE;
  53 }
  54
  55 boolean
  56 nv50_draw_elements(struct pipe_context *pipe,
  57                    struct pipe_buffer *indexBuffer, unsigned indexSize,
  58                    unsigned mode, unsigned start, unsigned count)
  59 {
  60         struct nv50_context *nv50 = nv50_context(pipe);
  61
  62         nv50_state_validate(nv50);
  63
  64         NOUVEAU_ERR("unimplemented\n");
  65         return TRUE;
  66 }
  67
  68 void
  69 nv50_vbo_validate(struct nv50_context *nv50)
  70 {
  71         struct nouveau_grobj *tesla = nv50->screen->tesla;
  72         struct nouveau_stateobj *vtxbuf, *vtxfmt;
  73         int i, vpi = 0;
  74
  75         vtxbuf = so_new(nv50->vtxelt_nr * 4, nv50->vtxelt_nr * 2);
  76         vtxfmt = so_new(nv50->vtxelt_nr + 1, 0);
  77         so_method(vtxfmt, tesla, 0x1ac0, nv50->vtxelt_nr);
  78
  79         for (i = 0; i < nv50->vtxelt_nr; i++) {
  80                 struct pipe_vertex_element *ve = &nv50->vtxelt[i];
  81                 struct pipe_vertex_buffer *vb =
  82                         &nv50->vtxbuf[ve->vertex_buffer_index];
  83
  84                 switch (ve->src_format) {
  85                 case PIPE_FORMAT_R32G32B32_FLOAT:
  86                         so_data(vtxfmt, 0x7e100000 | i);
  87                         break;
  88                 default:
  89                 {
  90                         char fmt[128];
  91                         pf_sprint_name(fmt, ve->src_format);
  92                         NOUVEAU_ERR("invalid vbo format %s\n", fmt);
  93                         assert(0);
  94                         return;
  95                 }
  96                 }
  97
  98                 so_method(vtxbuf, tesla, 0x900 + (i * 16), 3);
  99                 so_data  (vtxbuf, 0x20000000 | vb->pitch);
 100                 so_reloc (vtxbuf, vb->buffer, vb->buffer_offset +
 101                           ve->src_offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD |
 102                           NOUVEAU_BO_HIGH, 0, 0);
 103                 so_reloc (vtxbuf, vb->buffer, vb->buffer_offset +
 104                           ve->src_offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD |
 105                           NOUVEAU_BO_LOW, 0, 0);
 106         }
 107
 108         so_emit(nv50->screen->nvws, vtxfmt);
 109         so_ref (NULL, &vtxfmt);
 110         so_emit(nv50->screen->nvws, vtxbuf);
 111         so_ref (NULL, &vtxbuf);
 112 }
 113