Module: Mesa
Branch: main
Commit: 7b578c12497cfea2249467951e270993462ff4a9
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=7b578c12497cfea2249467951e270993462ff4a9

Author: Emma Anholt <[email protected]>
Date:   Mon Oct 25 12:57:15 2021 -0700

freedreno/a6xx: Emit a null descriptor for unoccupied IBO slots.

Fixes a crash in some desktop GL testcases in piglit.

Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13635>

---

 src/freedreno/ci/freedreno-a630-fails.txt      | 8 +++-----
 src/gallium/drivers/freedreno/a6xx/fd6_image.c | 6 ++++++
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/freedreno/ci/freedreno-a630-fails.txt 
b/src/freedreno/ci/freedreno-a630-fails.txt
index f2671ee4486..7db977aa3b7 100644
--- a/src/freedreno/ci/freedreno-a630-fails.txt
+++ b/src/freedreno/ci/freedreno-a630-fails.txt
@@ -246,9 +246,6 @@ spec@arb_texture_rg@texwrap formats-int 
bordercolor-swizzled@GL_RG32UI- swizzled
 spec@arb_texture_rg@texwrap formats-int bordercolor-swizzled@GL_RG8I- 
swizzled- border color only,Fail
 spec@arb_texture_rg@texwrap formats-int bordercolor-swizzled@GL_RG8UI- 
swizzled- border color only,Fail
 
-# segfault on fd6_emit_image_tex() of null image resource
-spec@arb_texture_view@bug-layers-image,Crash
-
 spec@arb_texture_view@mipgen,Fail
 spec@arb_texture_view@rendering-layers-image,Fail
 spec@arb_texture_view@rendering-layers-image@layers rendering of 
image1DArray,Fail
@@ -508,8 +505,9 @@ spec@nv_copy_depth_to_color@nv_copy_depth_to_color 1 
0x223344ff,Crash
 spec@nv_copy_depth_to_color@nv_copy_depth_to_color 1 0x76356278,Crash
 spec@nv_copy_depth_to_color@nv_copy_depth_to_color,Crash
 
-# segfault on fd6_emit_image_tex() of null image resource
-spec@oes_egl_image_external_essl3@oes_egl_image_external_essl3,Crash
+spec@oes_egl_image_external_essl3@oes_egl_image_external_essl3@oes_egl_image_external_essl3_imageLoad,Fail
+spec@oes_egl_image_external_essl3@oes_egl_image_external_essl3@oes_egl_image_external_essl3_imageStore,Fail
+spec@oes_egl_image_external_essl3@oes_egl_image_external_essl3,Fail
 
 # "MESA: error: unknown vertex shader output name: VARYING_SLOT_EDGE
 #  gl-2.0-edgeflag: ../src/freedreno/ir3/ir3_context.c:411: ir3_context_error: 
Assertion `!""' failed."
diff --git a/src/gallium/drivers/freedreno/a6xx/fd6_image.c 
b/src/gallium/drivers/freedreno/a6xx/fd6_image.c
index 61c6ccbee78..347d83a239a 100644
--- a/src/gallium/drivers/freedreno/a6xx/fd6_image.c
+++ b/src/gallium/drivers/freedreno/a6xx/fd6_image.c
@@ -174,6 +174,12 @@ translate_buf(struct fd6_image *img, const struct 
pipe_shader_buffer *pimg)
 static void
 emit_image_tex(struct fd_ringbuffer *ring, struct fd6_image *img)
 {
+   if (!img->prsc) {
+      for (int i = 0; i < FDL6_TEX_CONST_DWORDS; i++)
+         OUT_RING(ring, 0);
+      return;
+   }
+
    struct fd_resource *rsc = fd_resource(img->prsc);
    bool ubwc_enabled = fd_resource_ubwc_enabled(rsc, img->level);
 

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