diff options
| -rw-r--r-- | src/mesa/pipe/cell/ppu/cell_context.c | 5 | ||||
| -rw-r--r-- | src/mesa/pipe/cell/ppu/cell_render.c | 5 | ||||
| -rw-r--r-- | src/mesa/pipe/cell/spu/main.c | 40 |
3 files changed, 47 insertions, 3 deletions
diff --git a/src/mesa/pipe/cell/ppu/cell_context.c b/src/mesa/pipe/cell/ppu/cell_context.c index fb89837a7cd..4fcf804d828 100644 --- a/src/mesa/pipe/cell/ppu/cell_context.c +++ b/src/mesa/pipe/cell/ppu/cell_context.c @@ -241,6 +241,11 @@ cell_create_context(struct pipe_winsys *winsys, struct cell_winsys *cws) draw_set_rasterize_stage(cell->draw, cell->render_stage); + cell->prim_buffer.xmin = 1e100; + cell->prim_buffer.ymin = 1e100; + cell->prim_buffer.xmax = -1e100; + cell->prim_buffer.ymax = -1e100; + /* * SPU stuff */ diff --git a/src/mesa/pipe/cell/ppu/cell_render.c b/src/mesa/pipe/cell/ppu/cell_render.c index b97f4ff5368..79aa37ea021 100644 --- a/src/mesa/pipe/cell/ppu/cell_render.c +++ b/src/mesa/pipe/cell/ppu/cell_render.c @@ -166,6 +166,11 @@ cell_flush_prim_buffer(struct cell_context *cell) } 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; } diff --git a/src/mesa/pipe/cell/spu/main.c b/src/mesa/pipe/cell/spu/main.c index 5e29d4faaaa..94f13029ffa 100644 --- a/src/mesa/pipe/cell/spu/main.c +++ b/src/mesa/pipe/cell/spu/main.c @@ -87,6 +87,7 @@ get_tile(const struct framebuffer *fb, uint tx, uint ty, uint *tile, 0 /* rid */); } + void put_tile(const struct framebuffer *fb, uint tx, uint ty, const uint *tile, int tag) @@ -138,6 +139,33 @@ clear_tiles(const struct cell_command_clear_tiles *clear) } +/** + * Given a rendering command's bounding box (in pixels) compute the + * location of the corresponding screen tile bounding box. + */ +static INLINE void +tile_bounding_box(const struct cell_command_render *render, + uint *txmin, uint *tymin, + uint *box_num_tiles, uint *box_width_tiles) +{ + uint txmax, tymax, box_height_tiles; + + *txmin = (uint) render->xmin / TILE_SIZE; + *tymin = (uint) render->ymin / TILE_SIZE; + txmax = (uint) render->xmax / TILE_SIZE; + tymax = (uint) render->ymax / TILE_SIZE; + *box_width_tiles = txmax - *txmin + 1; + box_height_tiles = tymax - *tymin + 1; + *box_num_tiles = *box_width_tiles * box_height_tiles; + /* + printf("Render bounds: %g, %g ... %g, %g\n", + render->xmin, render->ymin, render->xmax, render->ymax); + printf("Render tiles: %u, %u .. %u, %u\n", *txmin, *tymin, txmax, tymax); + */ +} + + + static void render(const struct cell_command_render *render) { @@ -167,10 +195,16 @@ render(const struct cell_command_render *render) 0 /* rid */); wait_on_mask( 1 << tag ); /* XXX temporary */ + /* find tiles which intersect the prim bounding box */ + uint txmin, tymin, box_width_tiles, box_num_tiles; + tile_bounding_box(render, &txmin, &tymin, + &box_num_tiles, &box_width_tiles); + + /* loop over tiles */ - for (i = init.id; i < num_tiles; i += init.num_spus) { - const uint tx = i % fb.width_tiles; - const uint ty = i / fb.width_tiles; + for (i = init.id; i < box_num_tiles; i += init.num_spus) { + const uint tx = txmin + i % box_width_tiles; + const uint ty = tymin + i / box_width_tiles; get_tile(&fb, tx, ty, (uint *) tile, DefaultTag); wait_on_mask(1 << DefaultTag); /* XXX temporary */ |