fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-06 11:38:05 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

freedreno/a3xx: alpha-test

Browse source 
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@freedesktop.org>
This commit is contained in:
Rob Clark 2013-09-08 13:49:54 -04:00
parent dbf041e61f
commit 65ae4392ce
7 changed files with 29 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
src/gallium/drivers/freedreno/a2xx/a2xx.xml.h
View file

@ -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@gmail.com> (robclark)

19
src/gallium/drivers/freedreno/a3xx/a3xx.xml.h
View file

@ -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@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)

3
src/gallium/drivers/freedreno/a3xx/fd3_emit.c
View file

@ -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);

7
src/gallium/drivers/freedreno/a3xx/fd3_zsa.c
View file

@ -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;

1
src/gallium/drivers/freedreno/a3xx/fd3_zsa.h
View file

@ -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;

2
src/gallium/drivers/freedreno/adreno_common.xml.h
View file

@ -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@gmail.com> (robclark)

2
src/gallium/drivers/freedreno/adreno_pm4.xml.h
View file

@ -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@gmail.com> (robclark)