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-rw-r--r--src/gallium/drivers/cell/common.h4
-rw-r--r--src/gallium/drivers/cell/ppu/cell_context.c13
-rw-r--r--src/gallium/drivers/cell/ppu/cell_context.h2
-rw-r--r--src/gallium/drivers/cell/ppu/cell_spu.c1
-rw-r--r--src/gallium/drivers/cell/spu/spu_main.c71
5 files changed, 66 insertions, 25 deletions
diff --git a/src/gallium/drivers/cell/common.h b/src/gallium/drivers/cell/common.h
index 6bace0bb11..c0ca201e1d 100644
--- a/src/gallium/drivers/cell/common.h
+++ b/src/gallium/drivers/cell/common.h
@@ -106,6 +106,9 @@
#define CELL_BUFFER_STATUS_USED 20
+#define CELL_DEBUG_CHECKER (1 << 0)
+#define CELL_DEBUG_SYNC (1 << 1)
+
/**
*/
@@ -263,6 +266,7 @@ struct cell_init_info
{
unsigned id;
unsigned num_spus;
+ unsigned debug_flags; /**< mask of CELL_DEBUG_x flags */
struct cell_command *cmd;
/** Buffers for command batches, vertex/index data */
diff --git a/src/gallium/drivers/cell/ppu/cell_context.c b/src/gallium/drivers/cell/ppu/cell_context.c
index 9ff4e86943..c8828e644c 100644
--- a/src/gallium/drivers/cell/ppu/cell_context.c
+++ b/src/gallium/drivers/cell/ppu/cell_context.c
@@ -85,6 +85,15 @@ cell_draw_create(struct cell_context *cell)
}
+#ifdef DEBUG
+static const struct debug_named_value cell_debug_flags[] = {
+ {"checker", CELL_DEBUG_CHECKER},/**< modulate tile clear color by SPU ID */
+ {"sync", CELL_DEBUG_SYNC}, /**< SPUs do synchronous DMA */
+ {NULL, 0}
+};
+#endif
+
+
struct pipe_context *
cell_create_context(struct pipe_screen *screen,
struct cell_winsys *cws)
@@ -136,6 +145,10 @@ cell_create_context(struct pipe_screen *screen,
draw_wide_point_threshold(cell->draw, 0.0);
draw_wide_line_threshold(cell->draw, 0.0);
+ cell->debug_flags = debug_get_flags_option("CELL_DEBUG",
+ cell_debug_flags,
+ 0 );
+
/*
* SPU stuff
*/
diff --git a/src/gallium/drivers/cell/ppu/cell_context.h b/src/gallium/drivers/cell/ppu/cell_context.h
index 9ca153d52f..8cec9f45b2 100644
--- a/src/gallium/drivers/cell/ppu/cell_context.h
+++ b/src/gallium/drivers/cell/ppu/cell_context.h
@@ -163,6 +163,8 @@ struct cell_context
struct spe_function attrib_fetch;
unsigned attrib_fetch_offsets[PIPE_MAX_ATTRIBS];
+
+ unsigned debug_flags;
};
diff --git a/src/gallium/drivers/cell/ppu/cell_spu.c b/src/gallium/drivers/cell/ppu/cell_spu.c
index 5e75f409a3..2df90fdcb7 100644
--- a/src/gallium/drivers/cell/ppu/cell_spu.c
+++ b/src/gallium/drivers/cell/ppu/cell_spu.c
@@ -131,6 +131,7 @@ cell_start_spus(struct cell_context *cell)
for (i = 0; i < cell->num_spus; i++) {
cell_global.inits[i].id = i;
cell_global.inits[i].num_spus = cell->num_spus;
+ cell_global.inits[i].debug_flags = cell->debug_flags;
cell_global.inits[i].cmd = &cell_global.command[i];
for (j = 0; j < CELL_NUM_BUFFERS; j++) {
cell_global.inits[i].buffers[j] = cell->buffer[j];
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);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 19:39:01 +0000