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mesa: Require MRT support for GL3/ES3

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OpenGL 3.0 requires the driver can draw to 8 simultaneous render
targets. Similarly, OpenGL ES 3.0 requires the driver can draw to 4
simultaneous render targets. Fix the version computation logic to take
this into account.

On Mali T720, we support ~all features of OpenGL ES 3.1 except we only
support a single render target. Mali T720 should advertise OpenGL 2.1
and OpenGL ES 2.0 only. With the previous logic, it incorrectly
advertised OpenGL ES 3.1.

v2: Lie about the minimum for GL 3.0 to make freedreno a3xx happy. Add
Emma's reviewed-by.

v3: Update the Mali T720 CI expectations. There are tests that pass on
GLES3 but not GLES2. Unclear if these are dEQP bugs or Mesa bugs, lima
hits the same issues. Add them to the known fails

Note to mesa-stable maintainers: this downgrades the OpenGL version
advertised on Mali T720. As such, this patch should apply to the
unreleased 21.3 (Eric) but should NOT be backported to any released Mesa
versions (21.2 or older should NOT have this patch). This is a bit of a
compromise; Emma agreed with this plan on IRC.

Reported-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Reviewed-by: Emma Anholt <emma@anholt.net> [v2]
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu> [v2]
Cc: 21.3 mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13455>
This commit is contained in:
Alyssa Rosenzweig 2021-10-20 08:36:22 -04:00 • committed by Marge Bot
parent 7e26ea84da
commit 861a35b3bc
3 changed files with 35 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
src/mesa/main/version.c
View file

@ -273,8 +273,14 @@ compute_version(const struct gl_extensions *extensions,
const bool ver_2_1 = (ver_2_0 &&
extensions->EXT_pixel_buffer_object &&
extensions->EXT_texture_sRGB);
/* We lie about the minimum number of color attachments. Strictly, OpenGL
* 3.0 requires 8, whereas OpenGL ES requires 4. OpenGL ES 3.0 class
* hardware may only support 4 render targets. Advertise non-conformant
* OpenGL 3.0 anyway. Affects freedreno on a3xx
*/
const bool ver_3_0 = (ver_2_1 &&
consts->GLSLVersion >= 130 &&
consts->MaxColorAttachments >= 4 &&
(consts->MaxSamples >= 4 || consts->FakeSWMSAA) &&
(api == API_OPENGL_CORE ||
extensions->ARB_color_buffer_float) &&
@ -539,7 +545,8 @@ compute_version_es2(const struct gl_extensions *extensions,
(extensions->NV_primitive_restart ||
consts->PrimitiveRestartFixedIndex) &&
extensions->OES_depth_texture_cube_map &&
extensions->EXT_texture_type_2_10_10_10_REV);
extensions->EXT_texture_type_2_10_10_10_REV &&
consts->MaxColorAttachments >= 4);
const bool es31_compute_shader =
consts->MaxComputeWorkGroupInvocations >= 128 &&
consts->Program[MESA_SHADER_COMPUTE].MaxShaderStorageBlocks &&

26
src/panfrost/ci/deqp-panfrost-t720-fails.txt
View file

@ -18,3 +18,29 @@ dEQP-GLES2.functional.fragment_ops.interaction.basic_shader.62,Fail
dEQP-GLES2.functional.fragment_ops.interaction.basic_shader.73,Fail
dEQP-GLES2.functional.fragment_ops.interaction.basic_shader.81,Fail
dEQP-GLES2.functional.fragment_ops.random.43,Fail
dEQP-GLES2.functional.fbo.completeness.renderable.texture.color0.rgb_half_float_oes,Fail
dEQP-GLES2.functional.fbo.completeness.renderable.texture.color0.rgba_half_float_oes,Fail
dEQP-GLES2.functional.multisampled_render_to_texture.readpixels,Fail
dEQP-GLES2.functional.shaders.texture_functions.vertex.texturecubelod,Fail
dEQP-GLES2.functional.texture.mipmap.cube.basic.linear_linear,Fail
dEQP-GLES2.functional.texture.mipmap.cube.basic.linear_nearest,Fail
dEQP-GLES2.functional.texture.mipmap.cube.bias.linear_linear,Fail
dEQP-GLES2.functional.texture.mipmap.cube.bias.linear_nearest,Fail
dEQP-GLES2.functional.texture.mipmap.cube.projected.linear_linear,Fail
dEQP-GLES2.functional.texture.mipmap.cube.projected.linear_nearest,Fail
dEQP-GLES2.functional.texture.vertex.cube.filtering.linear_mipmap_linear_linear_clamp,Fail
dEQP-GLES2.functional.texture.vertex.cube.filtering.linear_mipmap_linear_linear_mirror,Fail
dEQP-GLES2.functional.texture.vertex.cube.filtering.linear_mipmap_linear_nearest_clamp,Fail
dEQP-GLES2.functional.texture.vertex.cube.filtering.linear_mipmap_linear_nearest_mirror,Fail
dEQP-GLES2.functional.texture.vertex.cube.filtering.nearest_mipmap_linear_linear_clamp,Fail
dEQP-GLES2.functional.texture.vertex.cube.filtering.nearest_mipmap_linear_linear_mirror,Fail
dEQP-GLES2.functional.texture.vertex.cube.filtering.nearest_mipmap_linear_linear_repeat,Fail
dEQP-GLES2.functional.texture.vertex.cube.filtering.nearest_mipmap_nearest_linear_clamp,Fail
dEQP-GLES2.functional.texture.vertex.cube.filtering.nearest_mipmap_nearest_linear_mirror,Fail
dEQP-GLES2.functional.texture.vertex.cube.filtering.nearest_mipmap_nearest_linear_repeat,Fail
dEQP-GLES2.functional.texture.vertex.cube.wrap.clamp_clamp,Fail
dEQP-GLES2.functional.texture.vertex.cube.wrap.clamp_mirror,Fail
dEQP-GLES2.functional.texture.vertex.cube.wrap.clamp_repeat,Fail
dEQP-GLES2.functional.texture.vertex.cube.wrap.mirror_clamp,Fail
dEQP-GLES2.functional.texture.vertex.cube.wrap.mirror_mirror,Fail
dEQP-GLES2.functional.texture.vertex.cube.wrap.mirror_repeat,Fail

2
src/panfrost/ci/deqp-panfrost-t720.toml
View file

@ -7,5 +7,5 @@ deqp_args = [
"--deqp-surface-type=pbuffer", "--deqp-visibility=hidden",
"--deqp-gl-config-name=rgba8888d24s8ms0",
]
version_check = "GL ES .*git"
version_check = "GL ES 2.0.*git"
renderer_check = "Mali-T720"