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radeonsi: use LOAD_CONTEXT_REG_INDEX for VGT_STRMOUT_DRAW_OPAQUE

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Based on PAL's UniversalCmdBuffer::CmdDrawOpaque.

We don't need to use PFP_SYNC_ME because it's done in emit_cache_flush.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18129>
This commit is contained in:
Pierre-Eric Pelloux-Prayer 2022-08-18 16:43:32 +02:00 • committed by Marge Bot
parent 7f7c8e83df
commit adad285fc9
1 changed files with 18 additions and 3 deletions
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21
src/gallium/drivers/radeonsi/si_state_draw.cpp
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@ -1422,9 +1422,24 @@ static void si_emit_draw_packets(struct si_context *sctx, const struct pipe_draw
radeon_set_context_reg(R_028B30_VGT_STRMOUT_DRAW_OPAQUE_VERTEX_STRIDE, t->stride_in_dw);
radeon_end();
si_cp_copy_data(sctx, &sctx->gfx_cs, COPY_DATA_REG, NULL,
R_028B2C_VGT_STRMOUT_DRAW_OPAQUE_BUFFER_FILLED_SIZE >> 2, COPY_DATA_SRC_MEM,
t->buf_filled_size, t->buf_filled_size_offset);
if (GFX_VERSION >= GFX9) {
/* Use PKT3_LOAD_CONTEXT_REG_INDEX instead of si_cp_copy_data to support state shadowing. */
uint64_t va = t->buf_filled_size->gpu_address + t->buf_filled_size_offset;
radeon_begin(cs);
radeon_emit(PKT3(PKT3_LOAD_CONTEXT_REG_INDEX, 3, 0));
radeon_emit(va);
radeon_emit(va >> 32);
radeon_emit((R_028B2C_VGT_STRMOUT_DRAW_OPAQUE_BUFFER_FILLED_SIZE - SI_CONTEXT_REG_OFFSET) >> 2);
radeon_emit(1);
radeon_end();
} else {
si_cp_copy_data(sctx, &sctx->gfx_cs, COPY_DATA_REG, NULL,
R_028B2C_VGT_STRMOUT_DRAW_OPAQUE_BUFFER_FILLED_SIZE >> 2, COPY_DATA_SRC_MEM,
t->buf_filled_size, t->buf_filled_size_offset);
}
use_opaque = S_0287F0_USE_OPAQUE(1);
indirect = NULL;
}