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freedreno: handle case of shadowing current render target

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If you have a sequence where there is a single buffer associated with
the current render target, and then you end up shadowing it on the 3d
pipe (u_blitter), because of how we swap the new shadow and rsc before
the back-blit, you could end up confusing things into thinking that
the blitters framebuffer state is the same as the current framebuffer
state.

Re-organizing the sequence to swap after the blit is complicated when
also having to deal with CPU memcpy blit path, and the batch/rsc
accounting.  So instead just detect this case and flush if we need to.

Fixes:
dEQP-GLES31.functional.stencil_texturing.render.depth24_stencil8_clear
dEQP-GLES31.functional.stencil_texturing.render.depth24_stencil8_draw

Cc: mesa-stable@lists.freedesktop.org
Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6434>
This commit is contained in:
Rob Clark
2020-08-21 15:58:37 -07:00
committed by Marge Bot
parent 743ad7bf6b
commit 1fa43a4a8e
2 changed files with 18 additions and 2 deletions
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.gitlab-ci/deqp-freedreno-a630-fails.txt
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@@ -1,8 +1,6 @@
# Possibly https://gitlab.khronos.org/Tracker/vk-gl-cts/-/issues/2035 related
dEQP-GLES2.functional.clipping.triangle_vertex.clip_three.clip_neg_x_neg_z_and_pos_x_pos_z_and_neg_x_neg_y_pos_z
dEQP-GLES31.functional.stencil_texturing.render.depth24_stencil8_clear
dEQP-GLES31.functional.stencil_texturing.render.depth24_stencil8_draw
dEQP-VK.binding_model.descriptorset_random.sets4.constant.ubolimitlow.sbolimithigh.imglimithigh.noiub.uab.frag.ialimitlow.0
dEQP-VK.draw.output_location.array.b8g8r8a8-unorm-mediump-output-vec3
dEQP-VK.glsl.linkage.varying.struct.mat3x2