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<graphitemaster>
Does Vulkan have anything like GL_TEXTURE_RECTANGLE
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<HdkR>
Yes. Rewriting your code to not rely on rectangle textures :)
<graphitemaster>
That sucks :(
<mareko>
OpenCL has rectangle textures
<graphitemaster>
Saving the math to convert integer coordinates to normalized UVs can be a big performance win
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<graphitemaster>
It's weird that is part of the texture type to begin with, there should just be two types of sampling functions in the shading language for that.
<HdkR>
If the math required to do that is your concern on Vulkan supporting devices then your pi might be a bit underpowered for what you're doing.
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<graphitemaster>
It all adds up
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<cwabbott>
there is support for it in Vulkan, it's part of the texture descriptor instead of in the shader
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<karolherbst_>
is there a good way to debug crashing shaders with llvmpipe?
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<karolherbst_>
ahh as I suspect, I have data races :)
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<HdkR>
I love when my data race wins
<karolherbst_>
mhhh I feared as much, I have to Mutex the PipeScreen
<karolherbst_>
how is st/mesa dealing with this btw?
<karolherbst_>
concurrent accesses to the PipeScreen
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<karolherbst_>
mhh I have a data race between pipe_context.set_global_binding and pipe_screen.resource_create :/
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<lilinitsy>
The mesa from cloning https://gitlab.freedesktop.org/mesa/mesa/ should support the latest vulkan 1.1 updates including VK_KHR_multiview on a raspberry pi 4, right? I cannot get it to build anything using that extension
<lilinitsy>
run, rather than build
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<HdkR>
lilinitsy: According to mesamatrix, yes.
<lilinitsy>
Thanks, hdkR! I got it working just now, I was forgetful and didn't remove my system packages :)
<HdkR>
oops :)
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<Wally>
#freedreno
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<graphitemaster>
Is it always beneficial to optimize v.x+v.y+v.z and v.x+v.y+v.z+v.w with dot, trying to understand opt_algebraic.py pass here for sequences of add
<graphitemaster>
fdot is lowered to fsum if fsum is available which is what has me confused
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