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freedreno/a3xx: implement half-z clipping

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Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
This commit is contained in:
Ilia Mirkin 2015-08-26 00:11:23 -04:00
parent 58e24b4761
commit a5a96118ed
3 changed files with 4 additions and 2 deletions
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1
src/gallium/drivers/freedreno/a3xx/a3xx.xml.h
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@ -680,6 +680,7 @@ static inline uint32_t REG_A3XX_CP_PROTECT_REG(uint32_t i0) { return 0x00000460
#define A3XX_GRAS_CL_CLIP_CNTL_VP_CLIP_CODE_IGNORE 0x00080000
#define A3XX_GRAS_CL_CLIP_CNTL_VP_XFORM_DISABLE 0x00100000
#define A3XX_GRAS_CL_CLIP_CNTL_PERSP_DIVISION_DISABLE 0x00200000
#define A3XX_GRAS_CL_CLIP_CNTL_ZERO_GB_SCALE_Z 0x00400000
#define A3XX_GRAS_CL_CLIP_CNTL_ZCOORD 0x00800000
#define A3XX_GRAS_CL_CLIP_CNTL_WCOORD 0x01000000
#define A3XX_GRAS_CL_CLIP_CNTL_ZCLIP_DISABLE 0x02000000

3
src/gallium/drivers/freedreno/a3xx/fd3_rasterizer.c
View file

@ -65,7 +65,8 @@ fd3_rasterizer_state_create(struct pipe_context *pctx,
if (cso->multisample)
TODO
*/
so->gras_cl_clip_cntl = A3XX_GRAS_CL_CLIP_CNTL_IJ_PERSP_CENTER; /* ??? */
so->gras_cl_clip_cntl = A3XX_GRAS_CL_CLIP_CNTL_IJ_PERSP_CENTER /* ??? */ |
COND(cso->clip_halfz, A3XX_GRAS_CL_CLIP_CNTL_ZERO_GB_SCALE_Z);
so->gras_su_point_minmax =
A3XX_GRAS_SU_POINT_MINMAX_MIN(psize_min) |
A3XX_GRAS_SU_POINT_MINMAX_MAX(psize_max);

2
src/gallium/drivers/freedreno/freedreno_screen.c
View file

@ -191,6 +191,7 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
return 16383;
case PIPE_CAP_DEPTH_CLIP_DISABLE:
case PIPE_CAP_CLIP_HALFZ:
case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
return is_a3xx(screen);
@ -228,7 +229,6 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
case PIPE_CAP_SAMPLER_VIEW_TARGET:
case PIPE_CAP_CLIP_HALFZ:
case PIPE_CAP_POLYGON_OFFSET_CLAMP:
case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
case PIPE_CAP_RESOURCE_FROM_USER_MEMORY: