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aco: support implicit LOD for nir_texop_tg4

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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Georg Lehmann <dadschoorse@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22315>
This commit is contained in:
Rhys Perry
2023-03-31 19:43:03 +01:00
committed by Marge Bot
parent dbb9f3a8a9
commit 25b1974e1b
1 changed files with 18 additions and 4 deletions
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src/amd/compiler/aco_instruction_selection.cpp
+18 -4
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@@ -9359,6 +9359,9 @@ visit_tex(isel_context* ctx, nir_tex_instr* instr)
}
}
if (instr->op == nir_texop_tg4 && !has_lod && !instr->is_gather_implicit_lod)
level_zero = true;
if (has_offset) {
assert(instr->op != nir_texop_txf);
@@ -9809,15 +9812,22 @@ visit_tex(isel_context* ctx, nir_tex_instr* instr)
}
if (instr->op == nir_texop_tg4) {
/* GFX11 supports implicit LOD, but the extension is unsupported. */
assert(level_zero || ctx->options->gfx_level < GFX11);
if (has_offset) { /* image_gather4_*_o */
if (has_compare) {
opcode = aco_opcode::image_gather4_c_lz_o;
opcode = aco_opcode::image_gather4_c_o;
if (level_zero)
opcode = aco_opcode::image_gather4_c_lz_o;
if (has_lod)
opcode = aco_opcode::image_gather4_c_l_o;
if (has_bias)
opcode = aco_opcode::image_gather4_c_b_o;
} else {
opcode = aco_opcode::image_gather4_lz_o;
opcode = aco_opcode::image_gather4_o;
if (level_zero)
opcode = aco_opcode::image_gather4_lz_o;
if (has_lod)
opcode = aco_opcode::image_gather4_l_o;
if (has_bias)
@@ -9825,13 +9835,17 @@ visit_tex(isel_context* ctx, nir_tex_instr* instr)
}
} else {
if (has_compare) {
opcode = aco_opcode::image_gather4_c_lz;
opcode = aco_opcode::image_gather4_c;
if (level_zero)
opcode = aco_opcode::image_gather4_c_lz;
if (has_lod)
opcode = aco_opcode::image_gather4_c_l;
if (has_bias)
opcode = aco_opcode::image_gather4_c_b;
} else {
opcode = aco_opcode::image_gather4_lz;
opcode = aco_opcode::image_gather4;
if (level_zero)
opcode = aco_opcode::image_gather4_lz;
if (has_lod)
opcode = aco_opcode::image_gather4_l;
if (has_bias)