https://bugs.freedesktop.org/show_bug.cgi?id=85596
Bug ID: 85596
Summary: SB is used only after GPR check / GPR max is not
dynamic
Product: Mesa
Version: git
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/Gallium/r600
Assignee: dri-devel at lists.freedesktop.org
Reporter: curaga at operamail.com
Many big shaders that currently fail with
r600_shader_select - Failed to build shader variant (type=1) -12
r600_shader_from_tgsi - GPR limit exceeded - shader requires foo registers
would actually work if the GPR check was moved to after SB, as SB reduces the
GPR usage quite nicely.
Another thing is that 128 is the lowest common denominator, and many cards have
192 or 256, which could be checked with the radeon_info ioctl.
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