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spirv: add support for bias/lod with OpImageGather

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Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5147>
This commit is contained in:
Samuel Pitoiset
2020-05-20 16:24:18 +02:00
parent dd39bf52b0
commit 41dc3ce449
1 changed files with 5 additions and 3 deletions
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src/compiler/spirv/spirv_to_nir.c
+5 -3
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@@ -2445,8 +2445,10 @@ vtn_handle_texture(struct vtn_builder *b, SpvOp opcode,
uint32_t operands = w[idx];
if (operands & SpvImageOperandsBiasMask) {
vtn_assert(texop == nir_texop_tex);
texop = nir_texop_txb;
vtn_assert(texop == nir_texop_tex ||
texop == nir_texop_tg4);
if (texop == nir_texop_tex)
texop = nir_texop_txb;
uint32_t arg = image_operand_arg(b, w, count, idx,
SpvImageOperandsBiasMask);
(*p++) = vtn_tex_src(b, w[arg], nir_tex_src_bias);
@@ -2454,7 +2456,7 @@ vtn_handle_texture(struct vtn_builder *b, SpvOp opcode,
if (operands & SpvImageOperandsLodMask) {
vtn_assert(texop == nir_texop_txl || texop == nir_texop_txf ||
texop == nir_texop_txs);
texop == nir_texop_txs || texop == nir_texop_tg4);
uint32_t arg = image_operand_arg(b, w, count, idx,
SpvImageOperandsLodMask);
(*p++) = vtn_tex_src(b, w[arg], nir_tex_src_lod);