glmark2 benchmark on wayland
#1
I ran the `glmark2-es2` and `glmark2-es2-wayland` benchmarks (on Manjaro with Plasma Wayland and mesa 21.1.0). Surprisingly, I got radically different results:

Code:
❯ glmark2-es2 --fullscreen
=======================================================
    glmark2 2021.02
=======================================================
    OpenGL Information
    GL_VENDOR:    Panfrost
    GL_RENDERER:  Mali T860 (Panfrost)
    GL_VERSION:    OpenGL ES 3.0 Mesa 21.1.0
=======================================================
[build] use-vbo=false: FPS: 418 FrameTime: 2.392 ms
[build] use-vbo=true: FPS: 443 FrameTime: 2.257 ms
[texture] texture-filter=nearest: FPS: 456 FrameTime: 2.193 ms
[texture] texture-filter=linear: FPS: 460 FrameTime: 2.174 ms
[texture] texture-filter=mipmap: FPS: 454 FrameTime: 2.203 ms
[shading] shading=gouraud: FPS: 365 FrameTime: 2.740 ms
[shading] shading=blinn-phong-inf: FPS: 353 FrameTime: 2.833 ms
[shading] shading=phong: FPS: 283 FrameTime: 3.534 ms
[shading] shading=cel: FPS: 278 FrameTime: 3.597 ms
[bump] bump-render=high-poly: FPS: 254 FrameTime: 3.937 ms
[bump] bump-render=normals: FPS: 444 FrameTime: 2.252 ms
[bump] bump-render=height: FPS: 440 FrameTime: 2.273 ms
[effect2d] kernel=0,1,0;1,-4,1;0,1,0;: FPS: 221 FrameTime: 4.525 ms
[effect2d] kernel=1,1,1,1,1;1,1,1,1,1;1,1,1,1,1;: FPS: 76 FrameTime: 13.158 ms
[pulsar] light=false:quads=5:texture=false: FPS: 462 FrameTime: 2.165 ms
[desktop] blur-radius=5:effect=blur:passes=1:separable=true:windows=4: FPS: 71 FrameTime: 14.085 ms
[desktop] effect=shadow:windows=4: FPS: 368 FrameTime: 2.717 ms
[buffer] columns=200:interleave=false:update-dispersion=0.9:update-fraction=0.5:update-method=map: FPS: 88 FrameTime: 11.364 ms
[buffer] columns=200:interleave=false:update-dispersion=0.9:update-fraction=0.5:update-method=subdata: FPS: 96 FrameTime: 10.417 ms
[buffer] columns=200:interleave=true:update-dispersion=0.9:update-fraction=0.5:update-method=map: FPS: 174 FrameTime: 5.747 ms
[ideas] speed=duration: FPS: 82 FrameTime: 12.195 ms
[jellyfish] <default>: FPS: 195 FrameTime: 5.128 ms
[terrain] <default>: FPS: 13 FrameTime: 76.923 ms
[shadow] <default>: FPS: 144 FrameTime: 6.944 ms
[refract] <default>: FPS: 43 FrameTime: 23.256 ms
[conditionals] fragment-steps=0:vertex-steps=0: FPS: 421 FrameTime: 2.375 ms
[conditionals] fragment-steps=5:vertex-steps=0: FPS: 243 FrameTime: 4.115 ms
[conditionals] fragment-steps=0:vertex-steps=5: FPS: 421 FrameTime: 2.375 ms
[function] fragment-complexity=low:fragment-steps=5: FPS: 323 FrameTime: 3.096 ms
[function] fragment-complexity=medium:fragment-steps=5: FPS: 218 FrameTime: 4.587 ms
[loop] fragment-loop=false:fragment-steps=5:vertex-steps=5: FPS: 318 FrameTime: 3.145 ms
[loop] fragment-steps=5:fragment-uniform=false:vertex-steps=5: FPS: 324 FrameTime: 3.086 ms
[loop] fragment-steps=5:fragment-uniform=true:vertex-steps=5: FPS: 226 FrameTime: 4.425 ms
=======================================================
                                  glmark2 Score: 278
=======================================================

and

Code:
❯ glmark2-es2-wayland --fullscreen
=======================================================
    glmark2 2021.02
=======================================================
    OpenGL Information
    GL_VENDOR:    Panfrost
    GL_RENDERER:  Mali T860 (Panfrost)
    GL_VERSION:    OpenGL ES 3.0 Mesa 21.1.0
=======================================================
[build] use-vbo=false: FPS: 117 FrameTime: 8.547 ms
[build] use-vbo=true: FPS: 141 FrameTime: 7.092 ms
[texture] texture-filter=nearest: FPS: 156 FrameTime: 6.410 ms
[texture] texture-filter=linear: FPS: 144 FrameTime: 6.944 ms
[texture] texture-filter=mipmap: FPS: 147 FrameTime: 6.803 ms
[shading] shading=gouraud: FPS: 108 FrameTime: 9.259 ms
[shading] shading=blinn-phong-inf: FPS: 119 FrameTime: 8.403 ms
[shading] shading=phong: FPS: 100 FrameTime: 10.000 ms
[shading] shading=cel: FPS: 97 FrameTime: 10.309 ms
[bump] bump-render=high-poly: FPS: 124 FrameTime: 8.065 ms
[bump] bump-render=normals: FPS: 130 FrameTime: 7.692 ms
[bump] bump-render=height: FPS: 124 FrameTime: 8.065 ms
[effect2d] kernel=0,1,0;1,-4,1;0,1,0;: FPS: 105 FrameTime: 9.524 ms
[effect2d] kernel=1,1,1,1,1;1,1,1,1,1;1,1,1,1,1;: FPS: 67 FrameTime: 14.925 ms
[pulsar] light=false:quads=5:texture=false: FPS: 128 FrameTime: 7.812 ms
[desktop] blur-radius=5:effect=blur:passes=1:separable=true:windows=4: FPS: 49 FrameTime: 20.408 ms
[desktop] effect=shadow:windows=4: FPS: 117 FrameTime: 8.547 ms
[buffer] columns=200:interleave=false:update-dispersion=0.9:update-fraction=0.5:update-method=map: FPS: 58 FrameTime: 17.241 ms
[buffer] columns=200:interleave=false:update-dispersion=0.9:update-fraction=0.5:update-method=subdata: FPS: 70 FrameTime: 14.286 ms
[buffer] columns=200:interleave=true:update-dispersion=0.9:update-fraction=0.5:update-method=map: FPS: 82 FrameTime: 12.195 ms
[ideas] speed=duration: FPS: 66 FrameTime: 15.152 ms
[jellyfish] <default>: FPS: 88 FrameTime: 11.364 ms
[terrain] <default>: FPS: 12 FrameTime: 83.333 ms
[shadow] <default>: FPS: 66 FrameTime: 15.152 ms
[refract] <default>: FPS: 42 FrameTime: 23.810 ms
[conditionals] fragment-steps=0:vertex-steps=0: FPS: 126 FrameTime: 7.937 ms
[conditionals] fragment-steps=5:vertex-steps=0: FPS: 97 FrameTime: 10.309 ms
[conditionals] fragment-steps=0:vertex-steps=5: FPS: 161 FrameTime: 6.211 ms
[function] fragment-complexity=low:fragment-steps=5: FPS: 124 FrameTime: 8.065 ms
[function] fragment-complexity=medium:fragment-steps=5: FPS: 103 FrameTime: 9.709 ms
[loop] fragment-loop=false:fragment-steps=5:vertex-steps=5: FPS: 114 FrameTime: 8.772 ms
[loop] fragment-steps=5:fragment-uniform=false:vertex-steps=5: FPS: 100 FrameTime: 10.000 ms
[loop] fragment-steps=5:fragment-uniform=true:vertex-steps=5: FPS: 97 FrameTime: 10.309 ms
=======================================================
                                  glmark2 Score: 102
=======================================================

Is the discrepancy to be expected, or is something amiss in my configuration?
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