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r600: add ARB_shader_storage_buffer_object support (v3)

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This just builds on the image support. Evergreen only has ssbo
for fragment and compute no other stages.

v2: handle images and ssbo in the same shader properly (Ilia)
v3: fix RESQ on buffers,
    fix missing atom emit
    fix first element offset
    use R32 format
    write separate buffer rat store path.
(from running deqp gles3.1 tests)

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2017-11-03 10:15:38 +10:00
parent c758fd05d8
commit 4e7f6437b5
8 changed files with 372 additions and 24 deletions
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docs/relnotes/17.4.0.html
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@@ -47,6 +47,7 @@ Note: some of the new features are only available with certain drivers.
<li>Disk shader cache support for i965 when MESA_GLSL_CACHE_DISABLE environment variable is set to "0" or "false"</li>
<li>GL_ARB_shader_atomic_counters and GL_ARB_shader_atomic_counter_ops on r600/evergreen+</li>
<li>GL_ARB_shader_image_load_store and GL_ARB_shader_image_size on r600/evergreen+</li>
<li>GL_ARB_shader_storage_buffer_object on r600/evergreen+<li>
<li>GL_ARB_cull_distance on r600/evergreen+</li>
<li>OpenGL 4.2 on r600/evergreen with hw fp64 support</li>
</ul>