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authorBrian Paul <brian.paul@tungstengraphics.com>2008-09-04 18:36:22 -0600
committerBrian Paul <brian.paul@tungstengraphics.com>2008-09-04 18:36:22 -0600
commit5cf2e226548f08c4b79a4eb289fd636a00079fb3 (patch)
treec1873742e3448d36efb465e2e9963655275d9ffc /src/gallium/drivers/cell/spu
parenta69fc5129bdf2f245c5bf2e0fe7b542caf7809a9 (diff)
cell: implement CELL_DEBUG env/options var
Options so far: "checker" module tile clear color by SPU ID to see where the tiles are "sync" to do synchronous DMA (only partially implemented)
Diffstat (limited to 'src/gallium/drivers/cell/spu')
-rw-r--r--src/gallium/drivers/cell/spu/spu_main.c71
1 files changed, 46 insertions, 25 deletions
diff --git a/src/gallium/drivers/cell/spu/spu_main.c b/src/gallium/drivers/cell/spu/spu_main.c
index e04ffeb9b1..0d4cdfae85 100644
--- a/src/gallium/drivers/cell/spu/spu_main.c
+++ b/src/gallium/drivers/cell/spu/spu_main.c
@@ -136,54 +136,75 @@ really_clear_tiles(uint surfaceIndex)
static void
cmd_clear_surface(const struct cell_command_clear_surface *clear)
{
- const uint num_tiles = spu.fb.width_tiles * spu.fb.height_tiles;
- uint i;
-
if (Debug)
printf("SPU %u: CLEAR SURF %u to 0x%08x\n", spu.init.id,
clear->surface, clear->value);
-#define CLEAR_OPT 1
-#if CLEAR_OPT
- /* set all tile's status to CLEAR */
if (clear->surface == 0) {
- memset(spu.ctile_status, TILE_STATUS_CLEAR, sizeof(spu.ctile_status));
spu.fb.color_clear_value = clear->value;
+ if (spu.init.debug_flags & CELL_DEBUG_CHECKER) {
+ uint x = (spu.init.id << 4) | (spu.init.id << 12) |
+ (spu.init.id << 20) | (spu.init.id << 28);
+ spu.fb.color_clear_value ^= x;
+ }
}
else {
- memset(spu.ztile_status, TILE_STATUS_CLEAR, sizeof(spu.ztile_status));
spu.fb.depth_clear_value = clear->value;
}
- return;
-#endif
+#define CLEAR_OPT 1
+#if CLEAR_OPT
+
+ /* Simply set all tiles' status to CLEAR.
+ * When we actually begin rendering into a tile, we'll initialize it to
+ * the clear value. If any tiles go untouched during the frame,
+ * really_clear_tiles() will set them to the clear value.
+ */
if (clear->surface == 0) {
- spu.fb.color_clear_value = clear->value;
- clear_c_tile(&spu.ctile);
+ memset(spu.ctile_status, TILE_STATUS_CLEAR, sizeof(spu.ctile_status));
}
else {
- spu.fb.depth_clear_value = clear->value;
- clear_z_tile(&spu.ztile);
+ memset(spu.ztile_status, TILE_STATUS_CLEAR, sizeof(spu.ztile_status));
}
+#else
+
+ /*
+ * This path clears the whole framebuffer to the clear color right now.
+ */
+
/*
printf("SPU: %s num=%d w=%d h=%d\n",
__FUNCTION__, num_tiles, spu.fb.width_tiles, spu.fb.height_tiles);
*/
- for (i = spu.init.id; i < num_tiles; i += spu.init.num_spus) {
- uint tx = i % spu.fb.width_tiles;
- uint ty = i / spu.fb.width_tiles;
- if (clear->surface == 0)
- put_tile(tx, ty, &spu.ctile, TAG_SURFACE_CLEAR, 0);
- else
- put_tile(tx, ty, &spu.ztile, TAG_SURFACE_CLEAR, 1);
- /* XXX we don't want this here, but it fixes bad tile results */
+ /* init a single tile to the clear value */
+ if (clear->surface == 0) {
+ clear_c_tile(&spu.ctile);
+ }
+ else {
+ clear_z_tile(&spu.ztile);
}
-#if 0
- wait_on_mask(1 << TAG_SURFACE_CLEAR);
-#endif
+ /* walk over my tiles, writing the 'clear' tile's data */
+ {
+ const uint num_tiles = spu.fb.width_tiles * spu.fb.height_tiles;
+ uint i;
+ for (i = spu.init.id; i < num_tiles; i += spu.init.num_spus) {
+ uint tx = i % spu.fb.width_tiles;
+ uint ty = i / spu.fb.width_tiles;
+ if (clear->surface == 0)
+ put_tile(tx, ty, &spu.ctile, TAG_SURFACE_CLEAR, 0);
+ else
+ put_tile(tx, ty, &spu.ztile, TAG_SURFACE_CLEAR, 1);
+ }
+ }
+
+ if (spu.init.debug_flags & CELL_DEBUG_SYNC) {
+ wait_on_mask(1 << TAG_SURFACE_CLEAR);
+ }
+
+#endif /* CLEAR_OPT */
if (Debug)
printf("SPU %u: CLEAR SURF done\n", spu.init.id);