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radeonsi/gfx9: pass GS input SGPRs and VGPRs from the ES part to GS

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Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2017-04-19 03:34:56 +02:00
parent 37e22ab65e
commit 6b93452b24
1 changed files with 32 additions and 0 deletions
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32
src/gallium/drivers/radeonsi/si_shader.c
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@ -2778,6 +2778,35 @@ static void si_set_ls_return_value_for_tcs(struct si_shader_context *ctx)
ctx->return_value = ret;
}
/* Pass GS inputs from ES to GS on GFX9. */
static void si_set_es_return_value_for_gs(struct si_shader_context *ctx)
{
LLVMValueRef ret = ctx->return_value;
ret = si_insert_input_ptr_as_2xi32(ctx, ret, ctx->param_rw_buffers, 0);
ret = si_insert_input_ret(ctx, ret, ctx->param_gs2vs_offset, 2);
ret = si_insert_input_ret(ctx, ret, ctx->param_merged_wave_info, 3);
ret = si_insert_input_ret(ctx, ret, ctx->param_merged_scratch_offset, 5);
unsigned desc_param = ctx->param_vs_state_bits + 1;
ret = si_insert_input_ptr_as_2xi32(ctx, ret, desc_param,
8 + GFX9_SGPR_GS_CONST_BUFFERS);
ret = si_insert_input_ptr_as_2xi32(ctx, ret, desc_param + 1,
8 + GFX9_SGPR_GS_SAMPLERS);
ret = si_insert_input_ptr_as_2xi32(ctx, ret, desc_param + 2,
8 + GFX9_SGPR_GS_IMAGES);
ret = si_insert_input_ptr_as_2xi32(ctx, ret, desc_param + 3,
8 + GFX9_SGPR_GS_SHADER_BUFFERS);
unsigned vgpr = 8 + GFX9_GS_NUM_USER_SGPR;
for (unsigned i = 0; i < 5; i++) {
unsigned param = ctx->param_gs_vtx01_offset + i;
ret = si_insert_input_ret_float(ctx, ret, param, vgpr++);
}
ctx->return_value = ret;
}
static void si_llvm_emit_ls_epilogue(struct lp_build_tgsi_context *bld_base)
{
struct si_shader_context *ctx = si_shader_context(bld_base);
@ -2878,6 +2907,9 @@ static void si_llvm_emit_es_epilogue(struct lp_build_tgsi_context *bld_base)
1, 1, true, true);
}
}
if (ctx->screen->b.chip_class >= GFX9)
si_set_es_return_value_for_gs(ctx);
}
static LLVMValueRef si_get_gs_wave_id(struct si_shader_context *ctx)