glsl: add ir_texture_samples texture opcode

Will be used for textureSamples()

Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>

11 files changed, 23 insertions, 6 deletions

diff --git a/src/glsl/ir.cpp b/src/glsl/ir.cpp
index 724861b1e9f..fb58c3b4ef6 100644
--- a/src/glsl/ir.cpp
+++ b/src/glsl/ir.cpp
@@ -1398,7 +1398,7 @@ ir_dereference::is_lvalue() const
 }
 
 
-static const char * const tex_opcode_strs[] = { "tex", "txb", "txl", "txd", "txf", "txf_ms", "txs", "lod", "tg4", "query_levels" };
+static const char * const tex_opcode_strs[] = { "tex", "txb", "txl", "txd", "txf", "txf_ms", "txs", "lod", "tg4", "query_levels", "texture_samples" };
 
 const char *ir_texture::opcode_string()
 {
@@ -1427,7 +1427,8 @@ ir_texture::set_sampler(ir_dereference *sampler, const glsl_type *type)
    this->sampler = sampler;
    this->type = type;
 
-   if (this->op == ir_txs || this->op == ir_query_levels) {
+   if (this->op == ir_txs || this->op == ir_query_levels ||
+       this->op == ir_texture_samples) {
       assert(type->base_type == GLSL_TYPE_INT);
    } else if (this->op == ir_lod) {
       assert(type->vector_elements == 2);
diff --git a/src/glsl/ir.h b/src/glsl/ir.h
index 7cdea017af8..bb7fa0e0af4 100644
--- a/src/glsl/ir.h
+++ b/src/glsl/ir.h
@@ -1914,7 +1914,8 @@ enum ir_texture_opcode {
    ir_txs,		/**< Texture size */
    ir_lod,		/**< Texture lod query */
    ir_tg4,		/**< Texture gather */
-   ir_query_levels      /**< Texture levels query */
+   ir_query_levels,     /**< Texture levels query */
+   ir_texture_samples,  /**< Texture samples query */
 };
 
 
diff --git a/src/glsl/ir_clone.cpp b/src/glsl/ir_clone.cpp
index a8fac183a8d..a2cd672d5d6 100644
--- a/src/glsl/ir_clone.cpp
+++ b/src/glsl/ir_clone.cpp
@@ -222,6 +222,7 @@ ir_texture::clone(void *mem_ctx, struct hash_table *ht) const
    case ir_tex:
    case ir_lod:
    case ir_query_levels:
+   case ir_texture_samples:
       break;
    case ir_txb:
       new_tex->lod_info.bias = this->lod_info.bias->clone(mem_ctx, ht);
diff --git a/src/glsl/ir_equals.cpp b/src/glsl/ir_equals.cpp
index cc1964eefee..5f0785e0ece 100644
--- a/src/glsl/ir_equals.cpp
+++ b/src/glsl/ir_equals.cpp
@@ -151,6 +151,7 @@ ir_texture::equals(const ir_instruction *ir, enum ir_node_type ignore) const
    case ir_tex:
    case ir_lod:
    case ir_query_levels:
+   case ir_texture_samples:
       break;
    case ir_txb:
       if (!lod_info.bias->equals(other->lod_info.bias, ignore))
diff --git a/src/glsl/ir_hv_accept.cpp b/src/glsl/ir_hv_accept.cpp
index d3662cf5063..6495cc4581d 100644
--- a/src/glsl/ir_hv_accept.cpp
+++ b/src/glsl/ir_hv_accept.cpp
@@ -194,6 +194,7 @@ ir_texture::accept(ir_hierarchical_visitor *v)
    case ir_tex:
    case ir_lod:
    case ir_query_levels:
+   case ir_texture_samples:
       break;
    case ir_txb:
       s = this->lod_info.bias->accept(v);
diff --git a/src/glsl/ir_print_visitor.cpp b/src/glsl/ir_print_visitor.cpp
index b6832692419..b9196900ea6 100644
--- a/src/glsl/ir_print_visitor.cpp
+++ b/src/glsl/ir_print_visitor.cpp
@@ -274,7 +274,8 @@ void ir_print_visitor::visit(ir_texture *ir)
    ir->sampler->accept(this);
    fprintf(f, " ");
 
-   if (ir->op != ir_txs && ir->op != ir_query_levels) {
+   if (ir->op != ir_txs && ir->op != ir_query_levels &&
+       ir->op != ir_texture_samples) {
       ir->coordinate->accept(this);
 
       fprintf(f, " ");
@@ -290,7 +291,7 @@ void ir_print_visitor::visit(ir_texture *ir)
 
    if (ir->op != ir_txf && ir->op != ir_txf_ms &&
        ir->op != ir_txs && ir->op != ir_tg4 &&
-       ir->op != ir_query_levels) {
+       ir->op != ir_query_levels && ir->op != ir_texture_samples) {
       if (ir->projector)
 	 ir->projector->accept(this);
       else
@@ -310,6 +311,7 @@ void ir_print_visitor::visit(ir_texture *ir)
    case ir_tex:
    case ir_lod:
    case ir_query_levels:
+   case ir_texture_samples:
       break;
    case ir_txb:
       ir->lod_info.bias->accept(this);
diff --git a/src/glsl/ir_reader.cpp b/src/glsl/ir_reader.cpp
index 979653304cc..07720e28749 100644
--- a/src/glsl/ir_reader.cpp
+++ b/src/glsl/ir_reader.cpp
@@ -960,6 +960,8 @@ ir_reader::read_texture(s_expression *expr)
       { "tg4", s_type, s_sampler, s_coord, s_offset, s_component };
    s_pattern query_levels_pattern[] =
       { "query_levels", s_type, s_sampler };
+   s_pattern texture_samples_pattern[] =
+      { "samples", s_type, s_sampler };
    s_pattern other_pattern[] =
       { tag, s_type, s_sampler, s_coord, s_offset, s_proj, s_shadow, s_lod };
 
@@ -977,6 +979,8 @@ ir_reader::read_texture(s_expression *expr)
       op = ir_tg4;
    } else if (MATCH(expr, query_levels_pattern)) {
       op = ir_query_levels;
+   } else if (MATCH(expr, texture_samples_pattern)) {
+      op = ir_texture_samples;
    } else if (MATCH(expr, other_pattern)) {
       op = ir_texture::get_opcode(tag->value());
       if (op == (ir_texture_opcode) -1)
@@ -1029,7 +1033,7 @@ ir_reader::read_texture(s_expression *expr)
 
    if (op != ir_txf && op != ir_txf_ms &&
        op != ir_txs && op != ir_lod && op != ir_tg4 &&
-       op != ir_query_levels) {
+       op != ir_query_levels && op != ir_texture_samples) {
       s_int *proj_as_int = SX_AS_INT(s_proj);
       if (proj_as_int && proj_as_int->value() == 1) {
 	 tex->projector = NULL;
diff --git a/src/glsl/ir_rvalue_visitor.cpp b/src/glsl/ir_rvalue_visitor.cpp
index 2eee3da7b22..a6966f546bc 100644
--- a/src/glsl/ir_rvalue_visitor.cpp
+++ b/src/glsl/ir_rvalue_visitor.cpp
@@ -58,6 +58,7 @@ ir_rvalue_base_visitor::rvalue_visit(ir_texture *ir)
    case ir_tex:
    case ir_lod:
    case ir_query_levels:
+   case ir_texture_samples:
       break;
    case ir_txb:
       handle_rvalue(&ir->lod_info.bias);
diff --git a/src/glsl/opt_tree_grafting.cpp b/src/glsl/opt_tree_grafting.cpp
index 7f2ee6cee34..a7a219c55ca 100644
--- a/src/glsl/opt_tree_grafting.cpp
+++ b/src/glsl/opt_tree_grafting.cpp
@@ -274,6 +274,7 @@ ir_tree_grafting_visitor::visit_enter(ir_texture *ir)
    case ir_tex:
    case ir_lod:
    case ir_query_levels:
+   case ir_texture_samples:
       break;
    case ir_txb:
       if (do_graft(&ir->lod_info.bias))
diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp
index 0defed83207..afb400f714c 100644
--- a/src/mesa/program/ir_to_mesa.cpp
+++ b/src/mesa/program/ir_to_mesa.cpp
@@ -1919,6 +1919,8 @@ ir_to_mesa_visitor::visit(ir_texture *ir)
    case ir_query_levels:
       assert(!"Unexpected ir_query_levels opcode");
       break;
+   case ir_texture_samples:
+      unreachable("Unexpected ir_texture_samples opcode");
    }
 
    const glsl_type *sampler_type = ir->sampler->type;
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 6c9f9477a17..625c4e9c8a6 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -3228,6 +3228,8 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir)
    case ir_lod:
       opcode = TGSI_OPCODE_LODQ;
       break;
+   case ir_texture_samples:
+      unreachable("unexpected texture op");
    }
 
    if (ir->projector) {