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Viewing changes to src/broadcom/compiler/v3d_nir_lower_txf_ms.c

  • Committer: mmach
  • Date: 2023-11-02 21:31:35 UTC
  • Revision ID: netbit73@gmail.com-20231102213135-18d4tzh7tj0uz752
2023-11-02 22:11:57

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src/broadcom/compiler/v3d_nir_lower_txf_ms.c
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 * 2x2 quad.
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 */
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#define V3D_MAX_SAMPLES 4
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static nir_ssa_def *
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v3d_nir_lower_txf_ms_instr(nir_builder *b, nir_instr *in_instr, void *data)
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{
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        b->cursor = nir_before_instr(&instr->instr);
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        int coord_index = nir_tex_instr_src_index(instr, nir_tex_src_coord);
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        int sample_index = nir_tex_instr_src_index(instr, nir_tex_src_ms_index);
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        nir_ssa_def *coord = instr->src[coord_index].src.ssa;
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        nir_ssa_def *sample = instr->src[sample_index].src.ssa;
 
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        nir_ssa_def *coord = nir_steal_tex_src(instr, nir_tex_src_coord);
 
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        nir_ssa_def *sample = nir_steal_tex_src(instr, nir_tex_src_ms_index);
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        nir_ssa_def *one = nir_imm_int(b, 1);
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        nir_ssa_def *x = nir_iadd(b,
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        else
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                coord = nir_vec2(b, x, y);
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        nir_instr_rewrite_src(&instr->instr,
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                              &instr->src[nir_tex_src_coord].src,
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                              nir_src_for_ssa(coord));
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        nir_tex_instr_remove_src(instr, sample_index);
 
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        nir_tex_instr_add_src(instr, nir_tex_src_coord, nir_src_for_ssa(coord));
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        instr->op = nir_texop_txf;
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        instr->sampler_dim = GLSL_SAMPLER_DIM_2D;
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