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authorBrian <brian.paul@tungstengraphics.com>2008-01-20 15:00:18 -0700
committerBrian <brian.paul@tungstengraphics.com>2008-01-20 15:00:18 -0700
commit661be1ae7b1cd5837d8e7224a5ebe1b8d428137e (patch)
tree7af1511e087e68fde9a27560f631fa7a7d310724 /src/mesa
parent45b5d3b1fc996e0f460ea163e4f4b3e750e8914f (diff)
Cell: use depth/stencil state to enable ztest
Move z-test code into do_depth_test(). Add ZSIZE symbol to support 2 or 4-byte Z values.
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/pipe/cell/spu/spu_main.c22
-rw-r--r--src/mesa/pipe/cell/spu/spu_main.h2
-rw-r--r--src/mesa/pipe/cell/spu/spu_tile.c17
-rw-r--r--src/mesa/pipe/cell/spu/spu_tile.h12
-rw-r--r--src/mesa/pipe/cell/spu/spu_tri.c122
5 files changed, 113 insertions, 62 deletions
diff --git a/src/mesa/pipe/cell/spu/spu_main.c b/src/mesa/pipe/cell/spu/spu_main.c
index bff098f06e..30c39aab68 100644
--- a/src/mesa/pipe/cell/spu/spu_main.c
+++ b/src/mesa/pipe/cell/spu/spu_main.c
@@ -239,8 +239,8 @@ cmd_render(const struct cell_command_render *render)
/* how much vertex data */
vertex_bytes = render->num_verts * vertex_size;
index_bytes = render->num_indexes * sizeof(ushort);
- if (index_bytes < 8)
- index_bytes = 8;
+ if (index_bytes < 16)
+ index_bytes = 16;
else
index_bytes = (index_bytes + 15) & ~0xf; /* multiple of 16 */
@@ -297,7 +297,7 @@ cmd_render(const struct cell_command_render *render)
/* Start fetching color/z tiles. We'll wait for completion when
* we need read/write to them later in triangle rasterization.
*/
- if (spu.fb.depth_format == PIPE_FORMAT_Z16_UNORM) {
+ if (spu.depth_stencil.depth.enabled) {
if (tile_status_z[ty][tx] != TILE_STATUS_CLEAR) {
get_tile(tx, ty, (uint *) ztile, TAG_READ_TILE_Z, 1);
}
@@ -325,7 +325,7 @@ cmd_render(const struct cell_command_render *render)
put_tile(tx, ty, (uint *) ctile, TAG_WRITE_TILE_COLOR, 0);
tile_status[ty][tx] = TILE_STATUS_DEFINED;
}
- if (spu.fb.depth_format == PIPE_FORMAT_Z16_UNORM) {
+ if (spu.depth_stencil.depth.enabled) {
if (tile_status_z[ty][tx] == TILE_STATUS_DIRTY) {
put_tile(tx, ty, (uint *) ztile, TAG_WRITE_TILE_Z, 1);
tile_status_z[ty][tx] = TILE_STATUS_DEFINED;
@@ -334,7 +334,7 @@ cmd_render(const struct cell_command_render *render)
/* XXX move these... */
wait_on_mask(1 << TAG_WRITE_TILE_COLOR);
- if (spu.fb.depth_format == PIPE_FORMAT_Z16_UNORM) {
+ if (spu.depth_stencil.depth.enabled) {
wait_on_mask(1 << TAG_WRITE_TILE_Z);
}
}
@@ -365,6 +365,14 @@ cmd_framebuffer(const struct cell_command_framebuffer *cmd)
spu.fb.height = cmd->height;
spu.fb.width_tiles = (spu.fb.width + TILE_SIZE - 1) / TILE_SIZE;
spu.fb.height_tiles = (spu.fb.height + TILE_SIZE - 1) / TILE_SIZE;
+
+ if (cmd->depth_format == PIPE_FORMAT_Z16_UNORM) {
+ ASSERT(ZSIZE == 2);
+ }
+ else if (cmd->depth_format == PIPE_FORMAT_Z32_UNORM) {
+ ASSERT(ZSIZE == 4);
+ }
+
}
@@ -375,9 +383,9 @@ cmd_state_depth_stencil(const struct pipe_depth_stencil_alpha_state *state)
printf("SPU %u: DEPTH_STENCIL: ztest %d\n",
spu.init.id,
state->depth.enabled);
- /*
+
memcpy(&spu.depth_stencil, state, sizeof(*state));
- */
+
}
diff --git a/src/mesa/pipe/cell/spu/spu_main.h b/src/mesa/pipe/cell/spu/spu_main.h
index f39f375d24..cd2afbe9bf 100644
--- a/src/mesa/pipe/cell/spu/spu_main.h
+++ b/src/mesa/pipe/cell/spu/spu_main.h
@@ -32,6 +32,8 @@
#include "pipe/cell/common.h"
#include "pipe/p_state.h"
+/** XXX temp bytes/z value */
+#define ZSIZE 2
struct spu_framebuffer {
void *color_start; /**< addr of color surface in main memory */
diff --git a/src/mesa/pipe/cell/spu/spu_tile.c b/src/mesa/pipe/cell/spu/spu_tile.c
index 1505cb322b..13fc5e345f 100644
--- a/src/mesa/pipe/cell/spu/spu_tile.c
+++ b/src/mesa/pipe/cell/spu/spu_tile.c
@@ -32,7 +32,11 @@
uint ctile[TILE_SIZE][TILE_SIZE] ALIGN16_ATTRIB;
+#if ZSIZE == 2
ushort ztile[TILE_SIZE][TILE_SIZE] ALIGN16_ATTRIB;
+#else
+uint ztile[TILE_SIZE][TILE_SIZE] ALIGN16_ATTRIB;
+#endif
ubyte tile_status[MAX_HEIGHT/TILE_SIZE][MAX_WIDTH/TILE_SIZE] ALIGN16_ATTRIB;
ubyte tile_status_z[MAX_HEIGHT/TILE_SIZE][MAX_WIDTH/TILE_SIZE] ALIGN16_ATTRIB;
@@ -43,7 +47,7 @@ void
get_tile(uint tx, uint ty, uint *tile, int tag, int zBuf)
{
const uint offset = ty * spu.fb.width_tiles + tx;
- const uint bytesPerTile = TILE_SIZE * TILE_SIZE * (zBuf ? 2 : 4);
+ const uint bytesPerTile = TILE_SIZE * TILE_SIZE * (zBuf ? ZSIZE : 4);
const ubyte *src = zBuf ? spu.fb.depth_start : spu.fb.color_start;
src += offset * bytesPerTile;
@@ -68,7 +72,7 @@ void
put_tile(uint tx, uint ty, const uint *tile, int tag, int zBuf)
{
const uint offset = ty * spu.fb.width_tiles + tx;
- const uint bytesPerTile = TILE_SIZE * TILE_SIZE * (zBuf ? 2 : 4);
+ const uint bytesPerTile = TILE_SIZE * TILE_SIZE * (zBuf ? ZSIZE : 4);
ubyte *dst = zBuf ? spu.fb.depth_start : spu.fb.color_start;
dst += offset * bytesPerTile;
@@ -81,7 +85,6 @@ put_tile(uint tx, uint ty, const uint *tile, int tag, int zBuf)
spu.init.id,
tile, (unsigned int) dst, bytesPerTile);
*/
-
mfc_put((void *) tile, /* src in local memory */
(unsigned int) dst, /* dst in main memory */
bytesPerTile,
@@ -103,7 +106,13 @@ clear_tile(uint tile[TILE_SIZE][TILE_SIZE], uint value)
}
void
-clear_tile_z(ushort tile[TILE_SIZE][TILE_SIZE], uint value)
+clear_tile_z(
+#if ZSIZE == 2
+ ushort tile[TILE_SIZE][TILE_SIZE],
+#else
+ uint tile[TILE_SIZE][TILE_SIZE],
+#endif
+ uint value)
{
uint i, j;
for (i = 0; i < TILE_SIZE; i++) {
diff --git a/src/mesa/pipe/cell/spu/spu_tile.h b/src/mesa/pipe/cell/spu/spu_tile.h
index 637923764b..7c288a1f91 100644
--- a/src/mesa/pipe/cell/spu/spu_tile.h
+++ b/src/mesa/pipe/cell/spu/spu_tile.h
@@ -40,7 +40,11 @@
extern uint ctile[TILE_SIZE][TILE_SIZE] ALIGN16_ATTRIB;
+#if ZSIZE == 2
extern ushort ztile[TILE_SIZE][TILE_SIZE] ALIGN16_ATTRIB;
+#else
+extern uint ztile[TILE_SIZE][TILE_SIZE] ALIGN16_ATTRIB;
+#endif
#define TILE_STATUS_CLEAR 1
@@ -61,7 +65,13 @@ void
clear_tile(uint tile[TILE_SIZE][TILE_SIZE], uint value);
void
-clear_tile_z(ushort tile[TILE_SIZE][TILE_SIZE], uint value);
+clear_tile_z(
+#if ZSIZE == 2
+ ushort tile[TILE_SIZE][TILE_SIZE],
+#else
+ uint tile[TILE_SIZE][TILE_SIZE],
+#endif
+ uint value);
#endif /* SPU_TILE_H */
diff --git a/src/mesa/pipe/cell/spu/spu_tri.c b/src/mesa/pipe/cell/spu/spu_tri.c
index ddd5e662d2..0b8533092e 100644
--- a/src/mesa/pipe/cell/spu/spu_tri.c
+++ b/src/mesa/pipe/cell/spu/spu_tri.c
@@ -217,8 +217,8 @@ static INLINE void
eval_z( struct setup_stage *setup,
float x, float y, float result[4])
{
- uint slot = 0;
- uint i = 2;
+ const uint slot = 0;
+ const uint i = 2;
const float *dadx = setup->coef[slot].dadx;
const float *dady = setup->coef[slot].dady;
@@ -252,6 +252,72 @@ pack_color(const float color[4])
}
+static uint
+do_depth_test(struct setup_stage *setup, int x, int y, unsigned mask)
+{
+ int ix = x - setup->cliprect_minx;
+ int iy = y - setup->cliprect_miny;
+ float zvals[4];
+ float zscale = 65535.0;
+
+ if (ZSIZE == 2) {
+ ASSERT(spu.fb.depth_format == PIPE_FORMAT_Z16_UNORM);
+ }
+ else {
+ ASSERT(spu.fb.depth_format == PIPE_FORMAT_Z32_UNORM);
+ }
+ ASSERT(sizeof(ztile[0][0]) == ZSIZE);
+
+
+ eval_z(setup, (float) x, (float) y, zvals);
+
+ if (tile_status_z[setup->ty][setup->tx] == TILE_STATUS_CLEAR) {
+ /* now, _really_ clear the tile */
+ clear_tile_z(ztile, spu.fb.depth_clear_value);
+ }
+ else {
+ /* make sure we've got the tile from main mem */
+ wait_on_mask(1 << TAG_READ_TILE_Z);
+ }
+ tile_status_z[setup->ty][setup->tx] = TILE_STATUS_DIRTY;
+
+
+ if (mask & MASK_TOP_LEFT) {
+ uint z = (uint) (zvals[0] * zscale);
+ if (z < ztile[iy][ix])
+ ztile[iy][ix] = z;
+ else
+ mask &= ~MASK_TOP_LEFT;
+ }
+
+ if (mask & MASK_TOP_RIGHT) {
+ uint z = (uint) (zvals[1] * zscale);
+ if (z < ztile[iy][ix+1])
+ ztile[iy][ix+1] = z;
+ else
+ mask &= ~MASK_TOP_RIGHT;
+ }
+
+ if (mask & MASK_BOTTOM_LEFT) {
+ uint z = (uint) (zvals[2] * zscale);
+ if (z < ztile[iy+1][ix])
+ ztile[iy+1][ix] = z;
+ else
+ mask &= ~MASK_BOTTOM_LEFT;
+ }
+
+ if (mask & MASK_BOTTOM_RIGHT) {
+ uint z = (uint) (zvals[3] * zscale);
+ if (z < ztile[iy+1][ix+1])
+ ztile[iy+1][ix+1] = z;
+ else
+ mask &= ~MASK_BOTTOM_RIGHT;
+ }
+
+ return mask;
+}
+
+
/**
* Emit a quad (pass to next stage). No clipping is done.
*/
@@ -266,58 +332,14 @@ emit_quad( struct setup_stage *setup, int x, int y, unsigned mask )
sp->quad.first->run(sp->quad.first, &setup->quad);
#else
/* Cell: "write" quad fragments to the tile by setting prim color */
- int ix = x - setup->cliprect_minx;
- int iy = y - setup->cliprect_miny;
+ const int ix = x - setup->cliprect_minx;
+ const int iy = y - setup->cliprect_miny;
float colors[4][4];
- uint z;
eval_coeff(setup, 1, (float) x, (float) y, colors);
- if (spu.fb.depth_format == PIPE_FORMAT_Z16_UNORM) {
- float zvals[4];
- eval_z(setup, (float) x, (float) y, zvals);
-
- if (tile_status_z[setup->ty][setup->tx] == TILE_STATUS_CLEAR) {
- /* now, _really_ clear the tile */
- clear_tile_z(ztile, spu.fb.depth_clear_value);
- }
- else {
- /* make sure we've got the tile from main mem */
- wait_on_mask(1 << TAG_READ_TILE_Z);
- }
- tile_status_z[setup->ty][setup->tx] = TILE_STATUS_DIRTY;
-
- if (mask & MASK_TOP_LEFT) {
- z = (uint) (zvals[0] * 65535.0);
- if (z < ztile[iy][ix])
- ztile[iy][ix] = z;
- else
- mask &= ~MASK_TOP_LEFT;
- }
-
- if (mask & MASK_TOP_RIGHT) {
- z = (uint) (zvals[1] * 65535.0);
- if (z < ztile[iy][ix+1])
- ztile[iy][ix+1] = z;
- else
- mask &= ~MASK_TOP_RIGHT;
- }
-
- if (mask & MASK_BOTTOM_LEFT) {
- z = (uint) (zvals[2] * 65535.0);
- if (z < ztile[iy+1][ix])
- ztile[iy+1][ix] = z;
- else
- mask &= ~MASK_BOTTOM_LEFT;
- }
-
- if (mask & MASK_BOTTOM_RIGHT) {
- z = (uint) (zvals[3] * 65535.0);
- if (z < ztile[iy+1][ix+1])
- ztile[iy+1][ix+1] = z;
- else
- mask &= ~MASK_BOTTOM_RIGHT;
- }
+ if (spu.depth_stencil.depth.enabled) {
+ mask &= do_depth_test(setup, x, y, mask);
}
if (mask) {