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authorIlia Mirkin <[email protected]>2014-10-23 00:43:45 -0400
committerIlia Mirkin <[email protected]>2014-11-15 14:14:51 -0500
commit3bc42a09e2d13c42e15423a17b5c571049a11224 (patch)
tree5281a49450f2486530bf8a66f914b93080830f3f /src/gallium/drivers/nouveau/nvc0
parent61c68b69d704b5faa5ff9d2b73b24bebf7e19412 (diff)
nv50,nvc0: use clip_halfz setting when creating rasterizer state
This enables the ARB_clip_control extension. Signed-off-by: Ilia Mirkin <[email protected]> Cc: "10.4" <[email protected]>
Diffstat (limited to 'src/gallium/drivers/nouveau/nvc0')
-rw-r--r--src/gallium/drivers/nouveau/nvc0/nvc0_3d.xml.h2
-rw-r--r--src/gallium/drivers/nouveau/nvc0/nvc0_screen.c2
-rw-r--r--src/gallium/drivers/nouveau/nvc0/nvc0_state.c2
3 files changed, 5 insertions, 1 deletions
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_3d.xml.h b/src/gallium/drivers/nouveau/nvc0/nvc0_3d.xml.h
index 94b447b088f..5bd5e95370f 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_3d.xml.h
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_3d.xml.h
@@ -318,6 +318,8 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#define NVC0_3D_VERTEX_BUFFER_COUNT 0x00000d78
+#define NVC0_3D_DEPTH_CLIP_NEGATIVE_Z 0x00000d7c
+
#define NVC0_3D_CLEAR_COLOR(i0) (0x00000d80 + 0x4*(i0))
#define NVC0_3D_CLEAR_COLOR__ESIZE 0x00000004
#define NVC0_3D_CLEAR_COLOR__LEN 0x00000004
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
index 4d4d5eb340a..2a759311bf7 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
@@ -171,6 +171,7 @@ nvc0_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:
return 1;
case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
return (class_3d >= NVE4_3D_CLASS) ? 1 : 0;
@@ -188,7 +189,6 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
case PIPE_CAP_FAKE_SW_MSAA:
case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
- case PIPE_CAP_CLIP_HALFZ:
return 0;
case PIPE_CAP_VENDOR_ID:
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_state.c b/src/gallium/drivers/nouveau/nvc0/nvc0_state.c
index d1a7cf51559..54deb20cb0c 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_state.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_state.c
@@ -313,6 +313,8 @@ nvc0_rasterizer_state_create(struct pipe_context *pipe,
SB_BEGIN_3D(so, VIEW_VOLUME_CLIP_CTRL, 1);
SB_DATA (so, reg);
+ SB_IMMED_3D(so, DEPTH_CLIP_NEGATIVE_Z, cso->clip_halfz);
+
assert(so->size <= (sizeof(so->state) / sizeof(so->state[0])));
return (void *)so;
}