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radv: add radeon_set_context_reg_rmw() helper

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For emitting RMW packets in the command stream. This new helper
will be useful for implementing extended dynamic states to only
overwrite the fields that need to be updated instead of storing
more values in the pipeline.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4531>
This commit is contained in:
Samuel Pitoiset
2020-04-13 11:38:33 +02:00
parent f0b94262c1
commit cb6ab17d1f
1 changed files with 12 additions and 0 deletions
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12
src/amd/vulkan/radv_cs.h
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@@ -82,6 +82,18 @@ static inline void radeon_set_context_reg_idx(struct radeon_cmdbuf *cs,
radeon_emit(cs, value);
}
static inline void radeon_set_context_reg_rmw(struct radeon_cmdbuf *cs,
unsigned reg, unsigned value,
unsigned mask)
{
assert(reg >= SI_CONTEXT_REG_OFFSET && reg < SI_CONTEXT_REG_END);
assert(cs->cdw + 4 <= cs->max_dw);
radeon_emit(cs, PKT3(PKT3_CONTEXT_REG_RMW, 2, 0));
radeon_emit(cs, (reg - SI_CONTEXT_REG_OFFSET) >> 2);
radeon_emit(cs, mask);
radeon_emit(cs, value);
}
static inline void radeon_set_sh_reg_seq(struct radeon_cmdbuf *cs, unsigned reg, unsigned num)
{
assert(reg >= SI_SH_REG_OFFSET && reg < SI_SH_REG_END);