On 23.10.2014 02:13, mathias.froehl...@gmx.net wrote:
From: Mathias Fröhlich <mathias.froehl...@gmx.net>
In preparation of ARB_clip_control. Let the driver decide if
it supports pipe_rasterizer_state::clip_halfz being set to true.
Signed-off-by: Mathias Froehlich <mathias.froehl...@web.de
[...]
diff --git a/src/gallium/drivers/ilo/ilo_screen.c
b/src/gallium/drivers/ilo/ilo_screen.c
index 48c3dea..4e931fb 100644
--- a/src/gallium/drivers/ilo/ilo_screen.c
+++ b/src/gallium/drivers/ilo/ilo_screen.c
@@ -446,6 +446,7 @@ ilo_get_param(struct pipe_screen *screen, 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:
return 0;
ilo handles clip_halfz according to git grep:
src/gallium/drivers/ilo/ilo_state_gen6.c: if (state->clip_halfz)
diff --git a/src/gallium/drivers/softpipe/sp_screen.c
b/src/gallium/drivers/softpipe/sp_screen.c
index a6e7fc0..47126ef 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -227,6 +227,8 @@ softpipe_get_param(struct pipe_screen *screen, enum
pipe_cap param)
return 0;
case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
return 1;
+ case PIPE_CAP_CLIP_HALFZ:
+ return 1;
Does softpipe really handle it though? Have you tested that?
--
Earthling Michel Dänzer | http://www.amd.com
Libre software enthusiast | Mesa and X developer
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