cell_render.h File Reference

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Functions
void	cell_flush_prim_buffer (struct cell_context *cell)
	Send the a RENDER command to all SPUs to have them render the prims in the current prim_buffer.
struct draw_stage *	cell_draw_render_stage (struct cell_context *cell)
	Create a new draw/render stage.

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Function Documentation

struct draw_stage* cell_draw_render_stage

(

struct cell_context *

cell

)

[read]

Create a new draw/render stage.

This will be plugged into the draw module as the last pipeline stage.

Definition at line 190 of file cell_render.c.

References CALLOC_STRUCT, render_stage::cell, draw_stage::destroy, cell_context::draw, draw_stage::draw, draw_stage::line, draw_stage::point, render_begin(), render_destroy(), render_end(), render_line(), render_point(), render_tri(), reset_stipple_counter(), draw_stage::reset_stipple_counter, render_stage::stage, and draw_stage::tri.

{
   struct render_stage *render = CALLOC_STRUCT(render_stage);

   render->cell = cell;
   render->stage.draw = cell->draw;
   render->stage.begin = render_begin;
   render->stage.point = render_point;
   render->stage.line = render_line;
   render->stage.tri = render_tri;
   render->stage.end = render_end;
   render->stage.reset_stipple_counter = reset_stipple_counter;
   render->stage.destroy = render_destroy;

   /*
   render->quad.coef = render->coef;
   render->quad.posCoef = &render->posCoef;
   */

   return &render->stage;
}

void cell_flush_prim_buffer

(

struct cell_context *

cell

)

Send the a RENDER command to all SPUs to have them render the prims in the current prim_buffer.

Definition at line 144 of file cell_render.c.

References ASSERT_ALIGN16, CELL_CMD_RENDER, cell_flush(), cell_global, cell_global_info::command, cell_context::num_spus, cell_command_render::num_verts, cell_context::pipe, PIPE_PRIM_TRIANGLES, cell_command_render::prim_type, send_mbox_message(), vertex_info::size, cell_global_info::spe_contexts, cell_context::vertex_info, cell_command_render::vertex_size, cell_command_render::xmax, cell_command_render::xmin, cell_command_render::ymax, and cell_command_render::ymin.

{
   uint i;

   if (cell->prim_buffer.num_verts == 0)
      return;

   for (i = 0; i < cell->num_spus; i++) {
      struct cell_command_render *render = &cell_global.command[i].render;
      render->prim_type = PIPE_PRIM_TRIANGLES;
      render->num_verts = cell->prim_buffer.num_verts;
      render->vertex_size = cell->vertex_info->size * 4;
      render->xmin = cell->prim_buffer.xmin;
      render->ymin = cell->prim_buffer.ymin;
      render->xmax = cell->prim_buffer.xmax;
      render->ymax = cell->prim_buffer.ymax;
      render->vertex_data = &cell->prim_buffer.vertex;
      ASSERT_ALIGN16(render->vertex_data);
      send_mbox_message(cell_global.spe_contexts[i], CELL_CMD_RENDER);
   }

   cell->prim_buffer.num_verts = 0;

   cell->prim_buffer.xmin = 1e100;
   cell->prim_buffer.ymin = 1e100;
   cell->prim_buffer.xmax = -1e100;
   cell->prim_buffer.ymax = -1e100;

   /* XXX temporary, need to double-buffer the prim buffer until we get
    * a real command buffer/list system.
    */
   cell_flush(&cell->pipe, 0x0);
}

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