Mesa (main): draw: improve numerical stability in clipper

GitLab Mirror gitlab-mirror at kemper.freedesktop.org
Fri Aug 20 09:56:51 UTC 2021


Module: Mesa
Branch: main
Commit: b74c7aae793863162dc43b0548a9219d9d6a4ecc
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b74c7aae793863162dc43b0548a9219d9d6a4ecc

Author: Erik Faye-Lund <erik.faye-lund at collabora.com>
Date:   Fri Aug 13 14:08:58 2021 +0200

draw: improve numerical stability in clipper

Floats have much better precision close to zero than close to one, so
let's make sure we compute an interpolation factor that goes in the
direction that discards the fewest bits.

This makes a big difference when interpolating from very small to very
large values for screen-space positions.

Reviewed-by: Roland Scheidegger <sroland at vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12355>

---

 src/gallium/auxiliary/draw/draw_pipe_clip.c        | 19 +++++++++++++++----
 .../drivers/i915/ci/deqp-i915-g33-fails.txt        |  4 ----
 src/gallium/drivers/i915/ci/traces-i915.yml        |  6 +++---
 .../drivers/llvmpipe/ci/deqp-llvmpipe-fails.txt    |  2 --
 .../drivers/llvmpipe/ci/traces-llvmpipe.yml        | 22 +++++++++++-----------
 .../drivers/softpipe/ci/deqp-softpipe-fails.txt    |  4 ----
 .../drivers/virgl/ci/deqp-virgl-gl-fails.txt       |  4 ----
 .../drivers/virgl/ci/deqp-virgl-gles-fails.txt     |  4 ----
 src/gallium/drivers/virgl/ci/traces-virgl.yml      | 22 +++++++++++-----------
 .../drivers/zink/ci/deqp-zink-lvp-fails.txt        |  5 -----
 10 files changed, 40 insertions(+), 52 deletions(-)

diff --git a/src/gallium/auxiliary/draw/draw_pipe_clip.c b/src/gallium/auxiliary/draw/draw_pipe_clip.c
index 2a9c944dc1e..d341feef301 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_clip.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_clip.c
@@ -469,12 +469,18 @@ do_clip_tri(struct draw_stage *stage,
             new_edge = &outEdges[outcount];
             outlist[outcount++] = new_vert;
 
+            float denom = dp - dp_prev;
             if (dp < 0.0f) {
                /* Going out of bounds.  Avoid division by zero as we
                 * know dp != dp_prev from different_sign, above.
                 */
-               float t = dp / (dp - dp_prev);
-               interp( clipper, new_vert, t, vert, vert_prev, viewport_index );
+               if (-dp < dp_prev) {
+                  float t = dp / denom;
+                  interp( clipper, new_vert, t, vert, vert_prev, viewport_index );
+               } else {
+                  float t = -dp_prev / denom;
+                  interp( clipper, new_vert, t, vert_prev, vert, viewport_index );
+               }
 
                /* Whether or not to set edge flag for the new vert depends
                 * on whether it's a user-defined clipping plane.  We're
@@ -494,8 +500,13 @@ do_clip_tri(struct draw_stage *stage,
             else {
                /* Coming back in.
                 */
-               float t = dp_prev / (dp_prev - dp);
-               interp( clipper, new_vert, t, vert_prev, vert, viewport_index );
+               if (-dp_prev < dp) {
+                  float t = -dp_prev / denom;
+                  interp( clipper, new_vert, t, vert_prev, vert, viewport_index );
+               } else {
+                  float t = dp / denom;
+                  interp( clipper, new_vert, t, vert, vert_prev, viewport_index );
+               }
 
                /* Copy starting vert's edgeflag:
                 */
diff --git a/src/gallium/drivers/i915/ci/deqp-i915-g33-fails.txt b/src/gallium/drivers/i915/ci/deqp-i915-g33-fails.txt
index a4622a5e463..5db672fd98d 100644
--- a/src/gallium/drivers/i915/ci/deqp-i915-g33-fails.txt
+++ b/src/gallium/drivers/i915/ci/deqp-i915-g33-fails.txt
@@ -22,10 +22,6 @@ dEQP-GLES2.functional.clipping.point.wide_point_clip,Fail
 dEQP-GLES2.functional.clipping.point.wide_point_clip_viewport_center,Fail
 dEQP-GLES2.functional.clipping.point.wide_point_clip_viewport_corner,Fail
 
-# Minor deviations in the position of a clipped triangle.
-dEQP-GLES2.functional.clipping.triangle_vertex.clip_two.clip_neg_y_neg_z_and_neg_x_neg_y_pos_z,Fail
-dEQP-GLES2.functional.clipping.triangle_vertex.clip_two.clip_pos_y_pos_z_and_neg_x_neg_y_neg_z,Fail
-
 # " // GL_INVALID_OPERATION returned
 #   // ERROR: expected GL_INVALID_VALUE"
 # Mesa: User error: GL_INVALID_OPERATION in glUniformMatrix(non-matrix uniform)
diff --git a/src/gallium/drivers/i915/ci/traces-i915.yml b/src/gallium/drivers/i915/ci/traces-i915.yml
index 819a6594968..da9fded88dd 100644
--- a/src/gallium/drivers/i915/ci/traces-i915.yml
+++ b/src/gallium/drivers/i915/ci/traces-i915.yml
@@ -41,7 +41,7 @@ traces:
   - path: humus/Portals.trace
     expectations:
       - device: i915-g33
-        checksum: 9306a8d9f37d83a327759319c46f7cae
+        checksum: 4cb0eb98c89c4d7ff962a25cc7931d8c
   # The shadow raytracing shader fails to compile
   #- path: humus/RaytracedShadows.trace
   #  expectations:
@@ -55,9 +55,9 @@ traces:
   - path: neverball/neverball.trace
     expectations:
       - device: i915-g33
-        checksum: 344479e929ad4bc7f7316b5e574b0131
+        checksum: bb7f4ddd30c36418a94ad8f02fc6bd09
   - path: valve/counterstrike-v2.trace
     # Tree foliage rendering is extra aliased.
     expectations:
       - device: i915-g33
-        checksum: 66a18e91b95674a3a1d227ed5681257d
+        checksum: 837c0aabe5d6bf75a071a3fa45cf448f
diff --git a/src/gallium/drivers/llvmpipe/ci/deqp-llvmpipe-fails.txt b/src/gallium/drivers/llvmpipe/ci/deqp-llvmpipe-fails.txt
index 4bbd9a67ee2..68c4c472176 100644
--- a/src/gallium/drivers/llvmpipe/ci/deqp-llvmpipe-fails.txt
+++ b/src/gallium/drivers/llvmpipe/ci/deqp-llvmpipe-fails.txt
@@ -10,7 +10,6 @@ dEQP-EGL.functional.robustness.reset_context.shaders.infinite_loop.sync_status.v
 dEQP-EGL.functional.robustness.reset_context.shaders.infinite_loop.sync_status.vertex_and_fragment,Fail
 dEQP-GLES2.functional.clipping.line.wide_line_clip_viewport_center,Fail
 dEQP-GLES2.functional.clipping.line.wide_line_clip_viewport_corner,Fail
-dEQP-GLES2.functional.clipping.triangle_vertex.clip_two.clip_neg_y_neg_z_and_neg_x_neg_y_pos_z,Fail
 dEQP-GLES2.functional.polygon_offset.default_displacement_with_units,Fail
 dEQP-GLES2.functional.rasterization.interpolation.basic.line_loop_wide,Fail
 dEQP-GLES2.functional.rasterization.interpolation.basic.line_strip_wide,Fail
@@ -20,7 +19,6 @@ dEQP-GLES2.functional.rasterization.interpolation.projected.line_strip_wide,Fail
 dEQP-GLES2.functional.rasterization.interpolation.projected.lines_wide,Fail
 dEQP-GLES3.functional.clipping.line.wide_line_clip_viewport_center,Fail
 dEQP-GLES3.functional.clipping.line.wide_line_clip_viewport_corner,Fail
-dEQP-GLES3.functional.clipping.triangle_vertex.clip_two.clip_neg_y_neg_z_and_neg_x_neg_y_pos_z,Fail
 dEQP-GLES3.functional.fbo.blit.rect.nearest_consistency_mag,Fail
 dEQP-GLES3.functional.fbo.blit.rect.nearest_consistency_mag_reverse_dst_x,Fail
 dEQP-GLES3.functional.fbo.blit.rect.nearest_consistency_mag_reverse_src_dst_x,Fail
diff --git a/src/gallium/drivers/llvmpipe/ci/traces-llvmpipe.yml b/src/gallium/drivers/llvmpipe/ci/traces-llvmpipe.yml
index c2ccf84dc08..ff9e0a7f834 100644
--- a/src/gallium/drivers/llvmpipe/ci/traces-llvmpipe.yml
+++ b/src/gallium/drivers/llvmpipe/ci/traces-llvmpipe.yml
@@ -17,7 +17,7 @@ traces:
   - path: 0ad/0ad.trace
     expectations:
       - device: gl-vmware-llvmpipe
-        checksum: 7f45f21eefb76b4a35506cd6a47040ad
+        checksum: de926f73d0f11c7da4bfec20d332bfc4
   - path: pathfinder/demo.trace
     expectations:
       - device: gl-vmware-llvmpipe
@@ -45,7 +45,7 @@ traces:
   - path: humus/Portals.trace
     expectations:
       - device: gl-vmware-llvmpipe
-        checksum: c4a0f928e0cedf91726728e7fd5d9759
+        checksum: a55dd3d87a86b3b47121ff67861028c3
   - path: bgfx/01-cubes.rdc
     expectations:
       - device: gl-vmware-llvmpipe
@@ -69,7 +69,7 @@ traces:
   - path: bgfx/06-bump.rdc
     expectations:
       - device: gl-vmware-llvmpipe
-        checksum: 75a8ac1b7bbcba03a93159243ade2c83
+        checksum: ff0626714d1eccff7f3a730933794af1
   - path: bgfx/07-callback.rdc
     expectations:
       - device: gl-vmware-llvmpipe
@@ -97,7 +97,7 @@ traces:
   - path: bgfx/14-shadowvolumes.rdc
     expectations:
       - device: gl-vmware-llvmpipe
-        checksum: 66f789a7c813945e43e59c187fba1d19
+        checksum: 0f4d6a65e591afbe5652517d9b80430f
   - path: bgfx/15-shadowmaps-simple.rdc
     expectations:
       - device: gl-vmware-llvmpipe
@@ -105,11 +105,11 @@ traces:
   - path: bgfx/16-shadowmaps.rdc
     expectations:
       - device: gl-vmware-llvmpipe
-        checksum: 4b1942b6c218c83de66687782f2cfd3b
+        checksum: 8418c344d4a92400f522efb7473e4afc
   - path: bgfx/18-ibl.rdc
     expectations:
       - device: gl-vmware-llvmpipe
-        checksum: 8b7be0c59b4be560dba4ca7583ed1130
+        checksum: 1f4d62805d9ecc086289e0701dc5139b
   - path: bgfx/19-oit.rdc
     expectations:
       - device: gl-vmware-llvmpipe
@@ -129,7 +129,7 @@ traces:
   - path: bgfx/28-wireframe.rdc
     expectations:
       - device: gl-vmware-llvmpipe
-        checksum: 3aebd4eb89f6e68b84852f7556d5c1d9
+        checksum: 56294c5582e142728cf36a65561697a6
   - path: bgfx/29-debugdraw.rdc
     expectations:
       - device: gl-vmware-llvmpipe
@@ -137,7 +137,7 @@ traces:
   - path: bgfx/31-rsm.rdc
     expectations:
       - device: gl-vmware-llvmpipe
-        checksum: 559e9fabc82a7979599ab1153700f018
+        checksum: c54bb845285639c212546027a462e5c9
   - path: bgfx/32-particles.rdc
     expectations:
       - device: gl-vmware-llvmpipe
@@ -157,11 +157,11 @@ traces:
   - path: bgfx/36-sky.rdc
     expectations:
       - device: gl-vmware-llvmpipe
-        checksum: 9971a794fe1b12fc21b8655ccb3b6bac
+        checksum: 74cbe4687e773208306636a8fb6be999
   - path: bgfx/37-gpudrivenrendering.rdc
     expectations:
       - device: gl-vmware-llvmpipe
-        checksum: a778dbf1d7c8bff9d68ae53a74cec467
+        checksum: 05ba4526c8eaf3cfb06755a5d9a5cb7c
   - path: bgfx/38-bloom.rdc
     expectations:
       - device: gl-vmware-llvmpipe
@@ -169,7 +169,7 @@ traces:
   - path: bgfx/39-assao.rdc
     expectations:
       - device: gl-vmware-llvmpipe
-        checksum: 74b3570d73241fa0798afb0869e5b121
+        checksum: 5b59de4721efe2979b4ab1d48fdee64c
   - path: bgfx/40-svt.rdc
     expectations:
       - device: gl-vmware-llvmpipe
diff --git a/src/gallium/drivers/softpipe/ci/deqp-softpipe-fails.txt b/src/gallium/drivers/softpipe/ci/deqp-softpipe-fails.txt
index 87778af5bf0..81848c71248 100644
--- a/src/gallium/drivers/softpipe/ci/deqp-softpipe-fails.txt
+++ b/src/gallium/drivers/softpipe/ci/deqp-softpipe-fails.txt
@@ -3,8 +3,6 @@ dEQP-GLES2.functional.clipping.line.wide_line_clip_viewport_corner,Fail
 dEQP-GLES2.functional.clipping.point.wide_point_clip,Fail
 dEQP-GLES2.functional.clipping.point.wide_point_clip_viewport_center,Fail
 dEQP-GLES2.functional.clipping.point.wide_point_clip_viewport_corner,Fail
-dEQP-GLES2.functional.clipping.triangle_vertex.clip_two.clip_neg_y_neg_z_and_neg_x_neg_y_pos_z,Fail
-dEQP-GLES2.functional.clipping.triangle_vertex.clip_two.clip_pos_y_pos_z_and_neg_x_neg_y_neg_z,Fail
 dEQP-GLES2.functional.polygon_offset.default_displacement_with_units,Fail
 dEQP-GLES2.functional.polygon_offset.fixed16_displacement_with_units,Fail
 dEQP-GLES2.functional.rasterization.interpolation.basic.line_loop_wide,Fail
@@ -19,8 +17,6 @@ dEQP-GLES3.functional.clipping.line.wide_line_clip_viewport_corner,Fail
 dEQP-GLES3.functional.clipping.point.wide_point_clip,Fail
 dEQP-GLES3.functional.clipping.point.wide_point_clip_viewport_center,Fail
 dEQP-GLES3.functional.clipping.point.wide_point_clip_viewport_corner,Fail
-dEQP-GLES3.functional.clipping.triangle_vertex.clip_two.clip_neg_y_neg_z_and_neg_x_neg_y_pos_z,Fail
-dEQP-GLES3.functional.clipping.triangle_vertex.clip_two.clip_pos_y_pos_z_and_neg_x_neg_y_neg_z,Fail
 dEQP-GLES3.functional.draw.random.124,Fail
 dEQP-GLES3.functional.fbo.depth.depth_test_clamp.depth24_stencil8,Fail
 dEQP-GLES3.functional.fbo.depth.depth_test_clamp.depth32f_stencil8,Fail
diff --git a/src/gallium/drivers/virgl/ci/deqp-virgl-gl-fails.txt b/src/gallium/drivers/virgl/ci/deqp-virgl-gl-fails.txt
index e315117d258..14918d83ff3 100644
--- a/src/gallium/drivers/virgl/ci/deqp-virgl-gl-fails.txt
+++ b/src/gallium/drivers/virgl/ci/deqp-virgl-gl-fails.txt
@@ -3,8 +3,6 @@ dEQP-GLES2.functional.clipping.line.wide_line_clip_viewport_corner,Fail
 dEQP-GLES2.functional.clipping.point.wide_point_clip,Fail
 dEQP-GLES2.functional.clipping.point.wide_point_clip_viewport_center,Fail
 dEQP-GLES2.functional.clipping.point.wide_point_clip_viewport_corner,Fail
-dEQP-GLES2.functional.clipping.triangle_vertex.clip_two.clip_neg_y_neg_z_and_neg_x_neg_y_pos_z,Fail
-dEQP-GLES2.functional.clipping.triangle_vertex.clip_two.clip_pos_y_pos_z_and_neg_x_neg_y_neg_z,Fail
 dEQP-GLES2.functional.polygon_offset.default_displacement_with_units,Fail
 dEQP-GLES2.functional.rasterization.interpolation.basic.line_loop_wide,Fail
 dEQP-GLES2.functional.rasterization.interpolation.basic.line_strip_wide,Fail
@@ -17,8 +15,6 @@ dEQP-GLES3.functional.clipping.line.wide_line_clip_viewport_corner,Fail
 dEQP-GLES3.functional.clipping.point.wide_point_clip,Fail
 dEQP-GLES3.functional.clipping.point.wide_point_clip_viewport_center,Fail
 dEQP-GLES3.functional.clipping.point.wide_point_clip_viewport_corner,Fail
-dEQP-GLES3.functional.clipping.triangle_vertex.clip_two.clip_neg_y_neg_z_and_neg_x_neg_y_pos_z,Fail
-dEQP-GLES3.functional.clipping.triangle_vertex.clip_two.clip_pos_y_pos_z_and_neg_x_neg_y_neg_z,Fail
 dEQP-GLES3.functional.fbo.blit.rect.nearest_consistency_mag,Fail
 dEQP-GLES3.functional.fbo.blit.rect.nearest_consistency_mag_reverse_dst_x,Fail
 dEQP-GLES3.functional.fbo.blit.rect.nearest_consistency_mag_reverse_src_dst_x,Fail
diff --git a/src/gallium/drivers/virgl/ci/deqp-virgl-gles-fails.txt b/src/gallium/drivers/virgl/ci/deqp-virgl-gles-fails.txt
index 002a1cdbd09..cf0ddaae9d5 100644
--- a/src/gallium/drivers/virgl/ci/deqp-virgl-gles-fails.txt
+++ b/src/gallium/drivers/virgl/ci/deqp-virgl-gles-fails.txt
@@ -3,8 +3,6 @@ dEQP-GLES2.functional.clipping.line.wide_line_clip_viewport_corner,Fail
 dEQP-GLES2.functional.clipping.point.wide_point_clip,Fail
 dEQP-GLES2.functional.clipping.point.wide_point_clip_viewport_center,Fail
 dEQP-GLES2.functional.clipping.point.wide_point_clip_viewport_corner,Fail
-dEQP-GLES2.functional.clipping.triangle_vertex.clip_two.clip_neg_y_neg_z_and_neg_x_neg_y_pos_z,Fail
-dEQP-GLES2.functional.clipping.triangle_vertex.clip_two.clip_pos_y_pos_z_and_neg_x_neg_y_neg_z,Fail
 dEQP-GLES2.functional.polygon_offset.default_displacement_with_units,Fail
 dEQP-GLES2.functional.rasterization.interpolation.basic.line_loop_wide,Fail
 dEQP-GLES2.functional.rasterization.interpolation.basic.line_strip_wide,Fail
@@ -17,8 +15,6 @@ dEQP-GLES3.functional.clipping.line.wide_line_clip_viewport_corner,Fail
 dEQP-GLES3.functional.clipping.point.wide_point_clip,Fail
 dEQP-GLES3.functional.clipping.point.wide_point_clip_viewport_center,Fail
 dEQP-GLES3.functional.clipping.point.wide_point_clip_viewport_corner,Fail
-dEQP-GLES3.functional.clipping.triangle_vertex.clip_two.clip_neg_y_neg_z_and_neg_x_neg_y_pos_z,Fail
-dEQP-GLES3.functional.clipping.triangle_vertex.clip_two.clip_pos_y_pos_z_and_neg_x_neg_y_neg_z,Fail
 dEQP-GLES3.functional.fbo.blit.rect.nearest_consistency_mag,Fail
 dEQP-GLES3.functional.fbo.blit.rect.nearest_consistency_mag_reverse_dst_x,Fail
 dEQP-GLES3.functional.fbo.blit.rect.nearest_consistency_mag_reverse_src_dst_x,Fail
diff --git a/src/gallium/drivers/virgl/ci/traces-virgl.yml b/src/gallium/drivers/virgl/ci/traces-virgl.yml
index 1857ec0d53b..baef5ecf5b2 100644
--- a/src/gallium/drivers/virgl/ci/traces-virgl.yml
+++ b/src/gallium/drivers/virgl/ci/traces-virgl.yml
@@ -29,11 +29,11 @@ traces:
   - path: humus/Portals.trace
     expectations:
       - device: gl-virgl
-        checksum: 6d78eed6749f01cc5625dec0ad129c66
+        checksum: 846df7d54649319dec1b68b371633cd1
   - path: 0ad/0ad.trace
     expectations:
       - device: gl-virgl
-        checksum: 03145ecd597dca6aaf5e113b99687278
+        checksum: 3975d6d29509ec21a11a0cf88e3467b2
   - path: glmark2/buffer:update-fraction=0.5:update-dispersion=0.9:columns=200:update-method=map:interleave=false.trace
     expectations:
       - device: gl-virgl
@@ -188,7 +188,7 @@ traces:
   - path: humus/AmbientAperture.trace
     expectations:
       - device: gl-virgl
-        checksum: d5635a3660405651a572b5efc6107827
+        checksum: 66db5d53d261b8cc7b0e9b7463f3911d
   - path: humus/CelShading.trace
     expectations:
       - device: gl-virgl
@@ -197,19 +197,19 @@ traces:
     expectations:
       # speckling present on the ground that isn't there on other drivers.
       - device: gl-virgl
-        checksum: 45f7f54972d196c173763f77082393bb
+        checksum: 4b7fea4ad77981b0e214299bbfe1214e
   - path: humus/HDR.trace
     expectations:
       - device: gl-virgl
-        checksum: c04b8feeb0d41763db0c636373d3ba4e
+        checksum: 110d70e58b9b4ec392071312e690429d
   - path: humus/RaytracedShadows.trace
     expectations:
       - device: gl-virgl
-        checksum: a0d3b811a34033465441776d7115462c
+        checksum: c1fa10c98b2120dae6356ad76d237c99
   - path: humus/VolumetricFogging2.trace
     expectations:
       - device: gl-virgl
-        checksum: 6260e5d1e7e6fc050d48e6a1790c6117
+        checksum: a6e3bc45fa4090a307d431d63036ca33
 # Crash
 #  - path: itoral-gl-terrain-demo/demo.trace
 #    expectations:
@@ -218,7 +218,7 @@ traces:
   - path: neverball/neverball.trace
     expectations:
       - device: gl-virgl
-        checksum: 4ad035fd572792648c82903e0c3b87ed
+        checksum: 92ca4c422ca4aca917ffcc8a874a2c69
 # Crash
 #  - path: pathfinder/canvas_moire.trace
 #    expectations:
@@ -237,7 +237,7 @@ traces:
   - path: supertuxkart/supertuxkart-mansion-egl-gles.trace
     expectations:
       - device: gl-virgl
-        checksum: 0e93531dfb9d18941904ff1f49581ea0
+        checksum: 54847eaf8a2f1b6b45cc323be67417d3
 # Sometimes crashes
 #  - path: xonotic/xonotic-keybench-high.trace
 #    expectations:
@@ -246,7 +246,7 @@ traces:
   - path: valve/counterstrike.trace
     expectations:
       - device: gl-virgl
-        checksum: 7f3ae17190d74da032d9a463c738404a
+        checksum: 405faea80fdc58c511b939891ba478c6
 # Piglit times-out when trying to run these two
 #  - path: valve/counterstrike-source.trace
 #    expectations:
@@ -259,7 +259,7 @@ traces:
   - path: valve/portal-2.trace
     expectations:
       - device: gl-virgl
-        checksum: adf249c3d2ee204ef6583641f70816db
+        checksum: ba556c810d4eb2a9efa9e44e150e7e19
 # Piglit crashes when trying to run this one
 #  - path: supertuxkart/supertuxkart-antediluvian-abyss.rdc
 #    expectations:
diff --git a/src/gallium/drivers/zink/ci/deqp-zink-lvp-fails.txt b/src/gallium/drivers/zink/ci/deqp-zink-lvp-fails.txt
index 3a8736cc740..a8fd68f8ae9 100644
--- a/src/gallium/drivers/zink/ci/deqp-zink-lvp-fails.txt
+++ b/src/gallium/drivers/zink/ci/deqp-zink-lvp-fails.txt
@@ -1,9 +1,6 @@
 dEQP-GLES2.functional.clipping.point.wide_point_clip,Fail
 dEQP-GLES2.functional.clipping.point.wide_point_clip_viewport_center,Fail
 dEQP-GLES2.functional.clipping.point.wide_point_clip_viewport_corner,Fail
-dEQP-GLES2.functional.clipping.triangle_vertex.clip_three.clip_pos_x_and_neg_y_neg_z_and_pos_y_pos_z,Fail
-dEQP-GLES2.functional.clipping.triangle_vertex.clip_two.clip_neg_y_neg_z_and_neg_x_neg_y_pos_z,Fail
-dEQP-GLES2.functional.clipping.triangle_vertex.clip_two.clip_pos_y_pos_z_and_neg_x_neg_y_neg_z,Fail
 dEQP-GLES2.functional.polygon_offset.default_displacement_with_units,Fail
 dEQP-GLES3.functional.polygon_offset.default_displacement_with_units,Fail
 dEQP-GLES3.functional.polygon_offset.float32_displacement_with_units,Fail
@@ -12,8 +9,6 @@ dEQP-GLES3.functional.clipping.line.wide_line_clip_viewport_corner,Fail
 dEQP-GLES3.functional.clipping.point.wide_point_clip,Fail
 dEQP-GLES3.functional.clipping.point.wide_point_clip_viewport_center,Fail
 dEQP-GLES3.functional.clipping.point.wide_point_clip_viewport_corner,Fail
-dEQP-GLES3.functional.clipping.triangle_vertex.clip_two.clip_neg_y_neg_z_and_neg_x_neg_y_pos_z,Fail
-dEQP-GLES3.functional.clipping.triangle_vertex.clip_two.clip_pos_y_pos_z_and_neg_x_neg_y_neg_z,Fail
 dEQP-GLES3.functional.fbo.blit.rect.nearest_consistency_mag,Fail
 dEQP-GLES3.functional.fbo.blit.rect.nearest_consistency_mag_reverse_dst_x,Fail
 dEQP-GLES3.functional.fbo.blit.rect.nearest_consistency_mag_reverse_src_dst_x,Fail



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