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authorMarek Olšák <maraeo@gmail.com>2011-03-01 01:46:10 +0100
committerMarek Olšák <maraeo@gmail.com>2011-03-01 01:46:27 +0100
commit790c73140939fb60c1b702215bb6afa09f401a8e (patch)
tree09f24392a994aa33edb1e6d5360a1e270c9424bf /src/gallium
parent4609be44106274fa88cfdf935257dfbe51cb6039 (diff)
r300g: set the correct HiZ clear value
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/drivers/r300/r300_blit.c8
-rw-r--r--src/gallium/drivers/r300/r300_context.h2
-rw-r--r--src/gallium/drivers/r300/r300_emit.c2
-rw-r--r--src/gallium/drivers/r300/r300_hyperz.c3
4 files changed, 12 insertions, 3 deletions
diff --git a/src/gallium/drivers/r300/r300_blit.c b/src/gallium/drivers/r300/r300_blit.c
index fd8ef444dc..8c13ac5dff 100644
--- a/src/gallium/drivers/r300/r300_blit.c
+++ b/src/gallium/drivers/r300/r300_blit.c
@@ -141,6 +141,13 @@ static uint32_t r300_depth_clear_value(enum pipe_format format,
}
}
+static uint32_t r300_hiz_clear_value(double depth)
+{
+ uint32_t r = (uint32_t)(CLAMP(depth, 0, 1) * 255.5);
+ assert(r <= 255);
+ return r | (r << 8) | (r << 16) | (r << 24);
+}
+
/* Clear currently bound buffers. */
static void r300_clear(struct pipe_context* pipe,
unsigned buffers,
@@ -214,6 +221,7 @@ static void r300_clear(struct pipe_context* pipe,
}
if (r300_hiz_clear_allowed(r300)) {
+ r300->hiz_clear_value = r300_hiz_clear_value(depth);
r300_mark_atom_dirty(r300, &r300->hiz_clear);
}
}
diff --git a/src/gallium/drivers/r300/r300_context.h b/src/gallium/drivers/r300/r300_context.h
index 33d1390b07..64b06ca7b0 100644
--- a/src/gallium/drivers/r300/r300_context.h
+++ b/src/gallium/drivers/r300/r300_context.h
@@ -575,6 +575,8 @@ struct r300_context {
boolean hiz_in_use;
/* HiZ function. Can be either MIN or MAX. */
enum r300_hiz_func hiz_func;
+ /* HiZ clear value. */
+ uint32_t hiz_clear_value;
void *dsa_decompress_zmask;
diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c
index 6061c2a623..9b4a3063f6 100644
--- a/src/gallium/drivers/r300/r300_emit.c
+++ b/src/gallium/drivers/r300/r300_emit.c
@@ -1037,7 +1037,7 @@ void r300_emit_hiz_clear(struct r300_context *r300, unsigned size, void *state)
OUT_CS_PKT3(R300_PACKET3_3D_CLEAR_HIZ, 2);
OUT_CS(0);
OUT_CS(tex->tex.hiz_dwords[fb->zsbuf->u.tex.level]);
- OUT_CS(0xffffffff);
+ OUT_CS(r300->hiz_clear_value);
END_CS;
/* Mark the current zbuffer's hiz ram as in use. */
diff --git a/src/gallium/drivers/r300/r300_hyperz.c b/src/gallium/drivers/r300/r300_hyperz.c
index 8474839960..75e6e53551 100644
--- a/src/gallium/drivers/r300/r300_hyperz.c
+++ b/src/gallium/drivers/r300/r300_hyperz.c
@@ -187,8 +187,7 @@ static void r300_update_hyperz(struct r300_context* r300)
r300_get_sc_hz_max(r300);
if (r300->screen->caps.is_r500) {
- z->zb_bw_cntl |= R500_HIZ_FP_EXP_BITS_3 |
- R500_HIZ_EQUAL_REJECT_ENABLE;
+ z->zb_bw_cntl |= R500_HIZ_EQUAL_REJECT_ENABLE;
}
}
}