[Mesa-dev] [PATCH 5/7] radeonsi: Handle TGSI TXQ opcode

[Michel Dänzer]

From: Michel Dänzer <michel.daen...@amd.com>

Signed-off-by: Michel Dänzer <michel.daen...@amd.com>
---
 src/gallium/drivers/radeonsi/radeonsi_shader.c | 34 ++++++++++++++++++++++++--
 1 file changed, 32 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/radeonsi_shader.c 
b/src/gallium/drivers/radeonsi/radeonsi_shader.c
index b82f885..572c665 100644
--- a/src/gallium/drivers/radeonsi/radeonsi_shader.c
+++ b/src/gallium/drivers/radeonsi/radeonsi_shader.c
@@ -889,8 +889,7 @@ static void tex_fetch_args(
        if (opcode == TGSI_OPCODE_TXB)
                address[count++] = coords[3];
 
-       if ((target == TGSI_TEXTURE_CUBE || target == TGSI_TEXTURE_SHADOWCUBE) 
&&
-           opcode != TGSI_OPCODE_TXQ)
+       if (target == TGSI_TEXTURE_CUBE || target == TGSI_TEXTURE_SHADOWCUBE)
                radeon_llvm_emit_prepare_cube_coords(bld_base, emit_data, 
coords);
 
        /* Pack depth comparison value */
@@ -1017,6 +1016,30 @@ static void build_tex_intrinsic(const struct 
lp_build_tgsi_action * action,
                LLVMReadNoneAttribute | LLVMNoUnwindAttribute);
 }
 
+static void txq_fetch_args(
+       struct lp_build_tgsi_context * bld_base,
+       struct lp_build_emit_data * emit_data)
+{
+       struct si_shader_context *si_shader_ctx = si_shader_context(bld_base);
+       const struct tgsi_full_instruction *inst = emit_data->inst;
+
+       /* Mip level */
+       emit_data->args[0] = lp_build_emit_fetch(bld_base, inst, 0, 
TGSI_CHAN_X);
+
+       /* Resource */
+       emit_data->args[1] = 
si_shader_ctx->resources[inst->Src[1].Register.Index];
+
+       /* Dimensions */
+       emit_data->args[2] = lp_build_const_int32(bld_base->base.gallivm,
+                                                 inst->Texture.Texture);
+
+       emit_data->arg_count = 3;
+
+       emit_data->dst_type = LLVMVectorType(
+               LLVMInt32TypeInContext(bld_base->base.gallivm->context),
+               4);
+}
+
 static const struct lp_build_tgsi_action tex_action = {
        .fetch_args = tex_fetch_args,
        .emit = build_tex_intrinsic,
@@ -1041,6 +1064,12 @@ static const struct lp_build_tgsi_action txl_action = {
        .intr_name = "llvm.SI.samplel."
 };
 
+static const struct lp_build_tgsi_action txq_action = {
+       .fetch_args = txq_fetch_args,
+       .emit = build_tgsi_intrinsic_nomem,
+       .intr_name = "llvm.SI.resinfo"
+};
+
 static void create_meta_data(struct si_shader_context *si_shader_ctx)
 {
        struct gallivm_state *gallivm = 
si_shader_ctx->radeon_bld.soa.bld_base.base.gallivm;
@@ -1282,6 +1311,7 @@ int si_pipe_shader_create(
        bld_base->op_actions[TGSI_OPCODE_TXF] = txf_action;
        bld_base->op_actions[TGSI_OPCODE_TXL] = txl_action;
        bld_base->op_actions[TGSI_OPCODE_TXP] = tex_action;
+       bld_base->op_actions[TGSI_OPCODE_TXQ] = txq_action;
 
        si_shader_ctx.radeon_bld.load_input = declare_input;
        si_shader_ctx.radeon_bld.load_system_value = declare_system_value;
-- 
1.8.3.rc3

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