cell_render.c File Reference

Include dependency graph for cell_render.c:

Go to the source code of this file.

Data Structures
struct	render_stage
	Last stage of 'draw' pipeline: send tris to SPUs. More...
Functions
static struct render_stage *	render_stage (struct draw_stage *stage)
static void	render_begin (struct draw_stage *stage)
static void	render_end (struct draw_stage *stage)
static void	reset_stipple_counter (struct draw_stage *stage)
static void	render_point (struct draw_stage *stage, struct prim_header *prim)
static void	render_line (struct draw_stage *stage, struct prim_header *prim)
static void	save_vertex (struct cell_prim_buffer *buf, uint pos, const struct vertex_header *vert)
	Write a vertex into the prim buffer.
static void	render_tri (struct draw_stage *stage, struct prim_header *prim)
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.
static void	render_destroy (struct draw_stage *stage)
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);
}

static void render_begin

(

struct draw_stage *

stage

)

[static]

Definition at line 54 of file cell_render.c.

References render_stage::cell, cell_context::fs, render_stage(), and cell_fragment_shader_state::shader.

{
#if 0
   struct render_stage *render = render_stage(stage);
   struct cell_context *sp = render->cell;
   const struct pipe_shader_state *fs = &render->cell->fs->shader;
   render->quad.nr_attrs = render->cell->nr_frag_attrs;

   render->firstFpInput = fs->input_semantic_name[0];

   sp->quad.first->begin(sp->quad.first);
#endif
}

static void render_destroy

(

struct draw_stage *

stage

)

[static]

Definition at line 180 of file cell_render.c.

References FREE.

{
   FREE( stage );
}

static void render_end

(

struct draw_stage *

stage

)

[static]

Definition at line 69 of file cell_render.c.

{
}

static void render_line	(	struct draw_stage *	stage,
		struct prim_header *	prim
	)			[static]

Definition at line 88 of file cell_render.c.

{
}

static void render_point	(	struct draw_stage *	stage,
		struct prim_header *	prim
	)			[static]

Definition at line 82 of file cell_render.c.

{
}

static struct render_stage* render_stage

(

struct draw_stage *

stage

)

[static, read]

Definition at line 48 of file cell_render.c.

{
   return (struct render_stage *) stage;
}

static void render_tri	(	struct draw_stage *	stage,
		struct prim_header *	prim
	)			[static]

Definition at line 119 of file cell_render.c.

References assert, render_stage::cell, cell_flush_prim_buffer(), render_stage(), save_vertex(), and prim_header::v.

{
   struct render_stage *rs = render_stage(stage);
   struct cell_context *cell = rs->cell;
   struct cell_prim_buffer *buf = &cell->prim_buffer;
   uint i;

   if (buf->num_verts + 3 > CELL_MAX_VERTS) {
      cell_flush_prim_buffer(cell);
   }

   i = buf->num_verts;
   assert(i+2 <= CELL_MAX_VERTS);
   save_vertex(buf, i+0, prim->v[0]);
   save_vertex(buf, i+1, prim->v[1]);
   save_vertex(buf, i+2, prim->v[2]);
   buf->num_verts += 3;
}

static void reset_stipple_counter

(

struct draw_stage *

stage

)

[static]

Definition at line 74 of file cell_render.c.

References render_stage().

{
   struct render_stage *render = render_stage(stage);
   /*render->cell->line_stipple_counter = 0;*/
}

static void save_vertex	(	struct cell_prim_buffer *	buf,
		uint	pos,
		const struct vertex_header *	vert
	)			[static]

Write a vertex into the prim buffer.

Definition at line 95 of file cell_render.c.

References vertex_header::data.

{
   uint attr, j;

   for (attr = 0; attr < 2; attr++) {
      for (j = 0; j < 4; j++) {
         buf->vertex[pos][attr][j] = vert->data[attr][j];
      }
   }

   /* update bounding box */
   if (vert->data[0][0] < buf->xmin)
      buf->xmin = vert->data[0][0];
   if (vert->data[0][0] > buf->xmax)
      buf->xmax = vert->data[0][0];
   if (vert->data[0][1] < buf->ymin)
      buf->ymin = vert->data[0][1];
   if (vert->data[0][1] > buf->ymax)
      buf->ymax = vert->data[0][1];
}

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