Mesa (master): freedreno/a3xx: alpha-test
Rob Clark
robclark at kemper.freedesktop.org
Sat Sep 14 17:32:51 UTC 2013
Module: Mesa
Branch: master
Commit: 65ae4392ce987e21975933363ee650a66375363c
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=65ae4392ce987e21975933363ee650a66375363c
Author: Rob Clark <robclark at freedesktop.org>
Date: Sun Sep 8 13:49:54 2013 -0400
freedreno/a3xx: alpha-test
Needed by some games, like etuxracer and supertuxkart which use alpha
test rather than blending, to handle texture transparency.
Signed-off-by: Rob Clark <robclark at freedesktop.org>
---
src/gallium/drivers/freedreno/a2xx/a2xx.xml.h | 2 +-
src/gallium/drivers/freedreno/a3xx/a3xx.xml.h | 19 ++++++++++++++++---
src/gallium/drivers/freedreno/a3xx/fd3_emit.c | 3 +++
src/gallium/drivers/freedreno/a3xx/fd3_zsa.c | 7 ++++++-
src/gallium/drivers/freedreno/a3xx/fd3_zsa.h | 1 +
src/gallium/drivers/freedreno/adreno_common.xml.h | 2 +-
src/gallium/drivers/freedreno/adreno_pm4.xml.h | 2 +-
7 files changed, 29 insertions(+), 7 deletions(-)
diff --git a/src/gallium/drivers/freedreno/a2xx/a2xx.xml.h b/src/gallium/drivers/freedreno/a2xx/a2xx.xml.h
index 140d3f4..e99b753 100644
--- a/src/gallium/drivers/freedreno/a2xx/a2xx.xml.h
+++ b/src/gallium/drivers/freedreno/a2xx/a2xx.xml.h
@@ -13,7 +13,7 @@ The rules-ng-ng source files this header was generated from are:
- /home/robclark/src/freedreno/envytools/rnndb/a2xx/a2xx.xml ( 30005 bytes, from 2013-07-19 21:30:48)
- /home/robclark/src/freedreno/envytools/rnndb/adreno_common.xml ( 8983 bytes, from 2013-07-24 01:38:36)
- /home/robclark/src/freedreno/envytools/rnndb/adreno_pm4.xml ( 9759 bytes, from 2013-09-06 12:50:15)
-- /home/robclark/src/freedreno/envytools/rnndb/a3xx/a3xx.xml ( 51536 bytes, from 2013-09-08 13:18:17)
+- /home/robclark/src/freedreno/envytools/rnndb/a3xx/a3xx.xml ( 51659 bytes, from 2013-09-08 18:21:13)
Copyright (C) 2013 by the following authors:
- Rob Clark <robdclark at gmail.com> (robclark)
diff --git a/src/gallium/drivers/freedreno/a3xx/a3xx.xml.h b/src/gallium/drivers/freedreno/a3xx/a3xx.xml.h
index 834361b..8eb7d6b 100644
--- a/src/gallium/drivers/freedreno/a3xx/a3xx.xml.h
+++ b/src/gallium/drivers/freedreno/a3xx/a3xx.xml.h
@@ -13,7 +13,7 @@ The rules-ng-ng source files this header was generated from are:
- /home/robclark/src/freedreno/envytools/rnndb/a2xx/a2xx.xml ( 30005 bytes, from 2013-07-19 21:30:48)
- /home/robclark/src/freedreno/envytools/rnndb/adreno_common.xml ( 8983 bytes, from 2013-07-24 01:38:36)
- /home/robclark/src/freedreno/envytools/rnndb/adreno_pm4.xml ( 9759 bytes, from 2013-09-06 12:50:15)
-- /home/robclark/src/freedreno/envytools/rnndb/a3xx/a3xx.xml ( 51536 bytes, from 2013-09-08 13:18:17)
+- /home/robclark/src/freedreno/envytools/rnndb/a3xx/a3xx.xml ( 51659 bytes, from 2013-09-08 18:21:13)
Copyright (C) 2013 by the following authors:
- Rob Clark <robdclark at gmail.com> (robclark)
@@ -745,6 +745,7 @@ static inline uint32_t A3XX_RB_RENDER_CONTROL_BIN_WIDTH(uint32_t val)
}
#define A3XX_RB_RENDER_CONTROL_DISABLE_COLOR_PIPE 0x00001000
#define A3XX_RB_RENDER_CONTROL_ENABLE_GMEM 0x00002000
+#define A3XX_RB_RENDER_CONTROL_ALPHA_TEST 0x00400000
#define A3XX_RB_RENDER_CONTROL_ALPHA_TEST_FUNC__MASK 0x07000000
#define A3XX_RB_RENDER_CONTROL_ALPHA_TEST_FUNC__SHIFT 24
static inline uint32_t A3XX_RB_RENDER_CONTROL_ALPHA_TEST_FUNC(enum adreno_compare_func val)
@@ -767,7 +768,19 @@ static inline uint32_t A3XX_RB_MSAA_CONTROL_SAMPLE_MASK(uint32_t val)
return ((val) << A3XX_RB_MSAA_CONTROL_SAMPLE_MASK__SHIFT) & A3XX_RB_MSAA_CONTROL_SAMPLE_MASK__MASK;
}
-#define REG_A3XX_UNKNOWN_20C3 0x000020c3
+#define REG_A3XX_RB_ALPHA_REF 0x000020c3
+#define A3XX_RB_ALPHA_REF_UINT__MASK 0x0000ff00
+#define A3XX_RB_ALPHA_REF_UINT__SHIFT 8
+static inline uint32_t A3XX_RB_ALPHA_REF_UINT(uint32_t val)
+{
+ return ((val) << A3XX_RB_ALPHA_REF_UINT__SHIFT) & A3XX_RB_ALPHA_REF_UINT__MASK;
+}
+#define A3XX_RB_ALPHA_REF_FLOAT__MASK 0xffff0000
+#define A3XX_RB_ALPHA_REF_FLOAT__SHIFT 16
+static inline uint32_t A3XX_RB_ALPHA_REF_FLOAT(float val)
+{
+ return ((util_float_to_half(val)) << A3XX_RB_ALPHA_REF_FLOAT__SHIFT) & A3XX_RB_ALPHA_REF_FLOAT__MASK;
+}
static inline uint32_t REG_A3XX_RB_MRT(uint32_t i0) { return 0x000020c4 + 0x4*i0; }
@@ -1002,7 +1015,7 @@ static inline uint32_t A3XX_RB_COPY_DEST_INFO_ENDIAN(enum adreno_rb_surface_endi
#define REG_A3XX_RB_DEPTH_CONTROL 0x00002100
#define A3XX_RB_DEPTH_CONTROL_Z_ENABLE 0x00000002
#define A3XX_RB_DEPTH_CONTROL_Z_WRITE_ENABLE 0x00000004
-#define A3XX_RB_DEPTH_CONTROL_EARLY_Z_ENABLE 0x00000008
+#define A3XX_RB_DEPTH_CONTROL_EARLY_Z_DISABLE 0x00000008
#define A3XX_RB_DEPTH_CONTROL_ZFUNC__MASK 0x00000070
#define A3XX_RB_DEPTH_CONTROL_ZFUNC__SHIFT 4
static inline uint32_t A3XX_RB_DEPTH_CONTROL_ZFUNC(enum adreno_compare_func val)
diff --git a/src/gallium/drivers/freedreno/a3xx/fd3_emit.c b/src/gallium/drivers/freedreno/a3xx/fd3_emit.c
index d4e07af..4492cce 100644
--- a/src/gallium/drivers/freedreno/a3xx/fd3_emit.c
+++ b/src/gallium/drivers/freedreno/a3xx/fd3_emit.c
@@ -357,6 +357,9 @@ fd3_emit_state(struct fd_context *ctx, uint32_t dirty)
fd3_emit_rbrc_draw_state(ring, zsa->rb_render_control);
+ OUT_PKT0(ring, REG_A3XX_RB_ALPHA_REF, 1);
+ OUT_RING(ring, zsa->rb_alpha_ref);
+
OUT_PKT0(ring, REG_A3XX_RB_DEPTH_CONTROL, 1);
OUT_RING(ring, zsa->rb_depth_control);
diff --git a/src/gallium/drivers/freedreno/a3xx/fd3_zsa.c b/src/gallium/drivers/freedreno/a3xx/fd3_zsa.c
index 7603465..15833ad 100644
--- a/src/gallium/drivers/freedreno/a3xx/fd3_zsa.c
+++ b/src/gallium/drivers/freedreno/a3xx/fd3_zsa.c
@@ -90,8 +90,13 @@ fd3_zsa_state_create(struct pipe_context *pctx,
if (cso->alpha.enabled) {
so->rb_render_control =
+ A3XX_RB_RENDER_CONTROL_ALPHA_TEST |
A3XX_RB_RENDER_CONTROL_ALPHA_TEST_FUNC(cso->alpha.func);
- // TODO alpha_ref and alpha_test_enable??
+ so->rb_alpha_ref =
+ A3XX_RB_ALPHA_REF_UINT(cso->alpha.ref_value * 255.0) |
+ A3XX_RB_ALPHA_REF_FLOAT(cso->alpha.ref_value);
+ so->rb_depth_control |=
+ A3XX_RB_DEPTH_CONTROL_EARLY_Z_DISABLE;
}
return so;
diff --git a/src/gallium/drivers/freedreno/a3xx/fd3_zsa.h b/src/gallium/drivers/freedreno/a3xx/fd3_zsa.h
index 0cc80a8..352c3dd 100644
--- a/src/gallium/drivers/freedreno/a3xx/fd3_zsa.h
+++ b/src/gallium/drivers/freedreno/a3xx/fd3_zsa.h
@@ -38,6 +38,7 @@
struct fd3_zsa_stateobj {
struct pipe_depth_stencil_alpha_state base;
uint32_t rb_render_control;
+ uint32_t rb_alpha_ref;
uint32_t rb_depth_control;
uint32_t rb_stencil_control;
uint32_t rb_stencilrefmask;
diff --git a/src/gallium/drivers/freedreno/adreno_common.xml.h b/src/gallium/drivers/freedreno/adreno_common.xml.h
index b38537b..796f58d 100644
--- a/src/gallium/drivers/freedreno/adreno_common.xml.h
+++ b/src/gallium/drivers/freedreno/adreno_common.xml.h
@@ -13,7 +13,7 @@ The rules-ng-ng source files this header was generated from are:
- /home/robclark/src/freedreno/envytools/rnndb/a2xx/a2xx.xml ( 30005 bytes, from 2013-07-19 21:30:48)
- /home/robclark/src/freedreno/envytools/rnndb/adreno_common.xml ( 8983 bytes, from 2013-07-24 01:38:36)
- /home/robclark/src/freedreno/envytools/rnndb/adreno_pm4.xml ( 9759 bytes, from 2013-09-06 12:50:15)
-- /home/robclark/src/freedreno/envytools/rnndb/a3xx/a3xx.xml ( 51536 bytes, from 2013-09-08 13:18:17)
+- /home/robclark/src/freedreno/envytools/rnndb/a3xx/a3xx.xml ( 51659 bytes, from 2013-09-08 18:21:13)
Copyright (C) 2013 by the following authors:
- Rob Clark <robdclark at gmail.com> (robclark)
diff --git a/src/gallium/drivers/freedreno/adreno_pm4.xml.h b/src/gallium/drivers/freedreno/adreno_pm4.xml.h
index 84339b1..8d981ec 100644
--- a/src/gallium/drivers/freedreno/adreno_pm4.xml.h
+++ b/src/gallium/drivers/freedreno/adreno_pm4.xml.h
@@ -13,7 +13,7 @@ The rules-ng-ng source files this header was generated from are:
- /home/robclark/src/freedreno/envytools/rnndb/a2xx/a2xx.xml ( 30005 bytes, from 2013-07-19 21:30:48)
- /home/robclark/src/freedreno/envytools/rnndb/adreno_common.xml ( 8983 bytes, from 2013-07-24 01:38:36)
- /home/robclark/src/freedreno/envytools/rnndb/adreno_pm4.xml ( 9759 bytes, from 2013-09-06 12:50:15)
-- /home/robclark/src/freedreno/envytools/rnndb/a3xx/a3xx.xml ( 51536 bytes, from 2013-09-08 13:18:17)
+- /home/robclark/src/freedreno/envytools/rnndb/a3xx/a3xx.xml ( 51659 bytes, from 2013-09-08 18:21:13)
Copyright (C) 2013 by the following authors:
- Rob Clark <robdclark at gmail.com> (robclark)
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