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

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