src/gallium/drivers/cell/spu/spu_vertex_shader.h

   1 #ifndef SPU_VERTEX_SHADER_H
   2 #define SPU_VERTEX_SHADER_H
   3
   4 #include "cell/common.h"
   5 #include "pipe/p_format.h"
   6 #include "spu_exec.h"
   7
   8 struct spu_vs_context;
   9
  10 typedef void (*spu_full_fetch_func)( struct spu_vs_context *draw,
  11                                      struct spu_exec_machine *machine,
  12                                      const unsigned *elts,
  13                                      unsigned count );
  14
  15 struct spu_vs_context {
  16    struct pipe_viewport_state viewport;
  17
  18    struct {
  19       uint64_t src_ptr[PIPE_MAX_ATTRIBS];
  20       unsigned pitch[PIPE_MAX_ATTRIBS];
  21       unsigned size[PIPE_MAX_ATTRIBS];
  22       unsigned code_offset[PIPE_MAX_ATTRIBS];
  23       unsigned nr_attrs;
  24       boolean dirty;
  25
  26       spu_full_fetch_func fetch_func;
  27       void *code;
  28    } vertex_fetch;
  29
  30    /* Clip derived state:
  31     */
  32    float plane[12][4];
  33    unsigned nr_planes;
  34
  35    struct spu_exec_machine machine;
  36    const float (*constants)[4];
  37
  38    unsigned num_vs_outputs;
  39 };
  40
  41 extern void spu_update_vertex_fetch(struct spu_vs_context *draw);
  42
  43 static INLINE void spu_vertex_fetch(struct spu_vs_context *draw,
  44                                     struct spu_exec_machine *machine,
  45                                     const unsigned *elts,
  46                                     unsigned count)
  47 {
  48    if (draw->vertex_fetch.dirty) {
  49       spu_update_vertex_fetch(draw);
  50       draw->vertex_fetch.dirty = 0;
  51    }
  52
  53    (*draw->vertex_fetch.fetch_func)(draw, machine, elts, count);
  54 }
  55
  56 struct cell_command_vs;
  57
  58 extern void
  59 spu_bind_vertex_shader(struct spu_vs_context *draw,
  60                        struct cell_shader_info *vs);
  61
  62 extern void
  63 spu_execute_vertex_shader(struct spu_vs_context *draw,
  64                           const struct cell_command_vs *vs);
  65
  66 #endif /* SPU_VERTEX_SHADER_H */