This is a helper method that returns a shader instruction opcode from the corresponding NIR texture opcode. It will be used to keep code in nir_emit_texture() clean.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89580 --- src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 39 ++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp index 741b9af..6e9df99 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp @@ -1313,6 +1313,45 @@ vec4_visitor::nir_emit_jump(nir_jump_instr *instr) } } +static enum opcode +shader_opcode_for_nir_opcode(nir_texop nir_opcode) +{ + switch (nir_opcode) { + case nir_texop_query_levels: + return SHADER_OPCODE_TXS; + + case nir_texop_tex: + return SHADER_OPCODE_TXL; + + case nir_texop_tg4: + return SHADER_OPCODE_TG4; + + case nir_texop_txd: + return SHADER_OPCODE_TXD; + + case nir_texop_txf: + return SHADER_OPCODE_TXF; + + case nir_texop_txf_ms: + return SHADER_OPCODE_TXF_CMS; + + case nir_texop_txl: + return SHADER_OPCODE_TXL; + + case nir_texop_txs: + return SHADER_OPCODE_TXS; + + case nir_texop_txb: + unreachable("TXB (ie: texture() with bias on glsl) is not valid for vertex shaders.\n"); + + case nir_texop_lod: + unreachable("LOD (ie: textureQueryLOD on glsl) is not valid for vertex shaders.\n"); + + default: + unreachable("Unknown texture opcode"); + } +} + void vec4_visitor::nir_emit_texture(nir_tex_instr *instr) { -- 2.1.4 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
