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tu: Fix border color with compute shaders 

I wasn't able to find any CTS tests that used compute shaders with
samplers and set a border color, so I hacked one of the tests included
with amber:

https://gist.github.com/cwabbott0/e72f0ed8259b84ed6bf3920c68fefee6

The register was found via looking at dumps of the Vulkan blob, and
setting it fixes this test.

Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4204>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4204>
This commit is contained in:
Connor Abbott 2020-03-16 15:23:44 +01:00 committed by Marge Bot
parent 32eecf5879
commit 3ff437abb3
2 changed files with 8 additions and 0 deletions
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6
src/freedreno/registers/a6xx.xml
View File

@ -3049,6 +3049,12 @@ to upconvert to 32b float internally?
<!-- always 0x3f ? -->
<reg32 offset="0xae0f" name="SP_UNKNOWN_AE0F"/>
<!--
The downstream kernel calls the debug cluster of registers
"a6xx_sp_ps_tp_cluster" but this actually specifies the border
color base for compute shaders.
-->
<reg64 offset="0xb180" name="SP_PS_TP_BORDER_COLOR_BASE_ADDR" type="address"/>
<!-- always 0x0 ? -->
<reg32 offset="0xb182" name="SP_UNKNOWN_B182"/>
<reg32 offset="0xb183" name="SP_UNKNOWN_B183"/>

2
src/freedreno/vulkan/tu_cmd_buffer.c
View File

@ -1165,6 +1165,8 @@ tu6_init_hw(struct tu_cmd_buffer *cmd, struct tu_cs *cs)
tu_cs_emit_regs(cs,
A6XX_SP_TP_BORDER_COLOR_BASE_ADDR(.bo = &cmd->device->border_color));
tu_cs_emit_regs(cs,
A6XX_SP_PS_TP_BORDER_COLOR_BASE_ADDR(.bo = &cmd->device->border_color));
tu_cs_sanity_check(cs);
}