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llvmpipe: implement lp_rast_load_color()

This commit is contained in:
Brian Paul 2009-12-11 15:00:28 -07:00
parent 2bce5c195f
commit 92dc0f92b0
1 changed files with 24 additions and 2 deletions
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26
src/gallium/drivers/llvmpipe/lp_rast.c
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@ -210,9 +210,31 @@ void lp_rast_load_color( struct lp_rasterizer *rast,
unsigned thread_index,
const union lp_rast_cmd_arg arg)
{
LP_DBG(DEBUG_RAST, "%s\n", __FUNCTION__);
struct lp_rasterizer_task *task = &rast->tasks[thread_index];
const unsigned x = task->x;
const unsigned y = task->y;
int w = TILE_SIZE;
int h = TILE_SIZE;
/* call u_tile func to load colors from surface */
LP_DBG(DEBUG_RAST, "%s at %u, %u\n", __FUNCTION__, x, y);
if (x + w > rast->state.fb.width)
w -= x + w - rast->state.fb.width;
if (y + h > rast->state.fb.height)
h -= y + h - rast->state.fb.height;
assert(w >= 0);
assert(h >= 0);
assert(w <= TILE_SIZE);
assert(h <= TILE_SIZE);
lp_tile_read_4ub(rast->cbuf_transfer->format,
rast->tasks[thread_index].tile.color,
rast->cbuf_map,
rast->cbuf_transfer->stride,
x, y,
w, h);
}