fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-08 15:38:09 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

nv50,nvc0: disable DEPTH_RANGE_NEAR/FAR clipping during blit

Browse source 
We send position.z == 0, DEPTH_RANGE may be some arbitrary range
not including 0 (for exmaple in piglit's hiz tests).
This commit is contained in:
Christoph Bumiller 2013-03-31 22:10:02 +02:00 • committed by Maarten Lankhorst
parent 7410ba1265
commit 5ba62ee201
3 changed files with 5 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
src/gallium/drivers/nv50/nv50_surface.c
View file

@ -977,6 +977,8 @@ nv50_blit_3d(struct nv50_context *nv50, const struct pipe_blit_info *info)
BEGIN_NV04(push, NV50_3D(VIEWPORT_TRANSFORM_EN), 1);
PUSH_DATA (push, 0);
BEGIN_NV04(push, NV50_3D(VIEW_VOLUME_CLIP_CTRL), 1);
PUSH_DATA (push, 0x1);
/* Draw a large triangle in screen coordinates covering the whole
* render target, with scissors defining the destination region.

2
src/gallium/drivers/nvc0/nvc0_3d.xml.h
View file

@ -1041,7 +1041,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#define NVC0_3D_VIEWPORT_TRANSFORM_EN 0x0000192c
#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL 0x0000193c
#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK0 0x00000001
#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_DEPTH_RANGE_0_1 0x00000001
#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK1__MASK 0x00000006
#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK1__SHIFT 1
#define NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK1_UNK0 0x00000000

2
src/gallium/drivers/nvc0/nvc0_surface.c
View file

@ -859,6 +859,8 @@ nvc0_blit_3d(struct nvc0_context *nvc0, const struct pipe_blit_info *info)
z += 0.5f * dz;
IMMED_NVC0(push, NVC0_3D(VIEWPORT_TRANSFORM_EN), 0);
IMMED_NVC0(push, NVC0_3D(VIEW_VOLUME_CLIP_CTRL), 0x2 |
NVC0_3D_VIEW_VOLUME_CLIP_CTRL_DEPTH_RANGE_0_1);
BEGIN_NVC0(push, NVC0_3D(VIEWPORT_HORIZ(0)), 2);
PUSH_DATA (push, nvc0->framebuffer.width << 16);
PUSH_DATA (push, nvc0->framebuffer.height << 16);