mesa: Switch memcpy fast-path of glGetTexImage() to using MapTextureImage().

[mesa.git] / src / glsl / ir.cpp

diff --git a/src/glsl/ir.cpp b/src/glsl/ir.cpp
index 827fe8e17a75d4c37bed72077fa3b50acbc33c28..d6594cd9a3e65063b4a72754aa8781d2100d3c7c 100644 (file)
--- a/src/glsl/ir.cpp
+++ b/src/glsl/ir.cpp
@@ -1096,7 +1096,7 @@ ir_dereference_record::ir_dereference_record(ir_variable *var,
 }
 
 bool
-ir_dereference::is_lvalue()
+ir_dereference::is_lvalue() const
 {
    ir_variable *var = this->variable_referenced();
 
@@ -1105,9 +1105,6 @@ ir_dereference::is_lvalue()
    if ((var == NULL) || var->read_only)
       return false;
 
-   if (this->type->is_array() && !var->array_lvalue)
-      return false;
-
    /* From page 17 (page 23 of the PDF) of the GLSL 1.20 spec:
     *
     *    "Samplers cannot be treated as l-values; hence cannot be used
@@ -1121,7 +1118,7 @@ ir_dereference::is_lvalue()
 }
 
 
-const char *tex_opcode_strs[] = { "tex", "txb", "txl", "txd", "txf" };
+const char *tex_opcode_strs[] = { "tex", "txb", "txl", "txd", "txf", "txs" };
 
 const char *ir_texture::opcode_string()
 {
@@ -1150,11 +1147,15 @@ ir_texture::set_sampler(ir_dereference *sampler, const glsl_type *type)
    this->sampler = sampler;
    this->type = type;
 
-   assert(sampler->type->sampler_type == (int) type->base_type);
-   if (sampler->type->sampler_shadow)
-      assert(type->vector_elements == 4 || type->vector_elements == 1);
-   else
-      assert(type->vector_elements == 4);
+   if (this->op == ir_txs) {
+      assert(type->base_type == GLSL_TYPE_INT);
+   } else {
+      assert(sampler->type->sampler_type == (int) type->base_type);
+      if (sampler->type->sampler_shadow)
+        assert(type->vector_elements == 4 || type->vector_elements == 1);
+      else
+        assert(type->vector_elements == 4);
+   }
 }
 
 
@@ -1310,7 +1311,7 @@ ir_swizzle::create(ir_rvalue *val, const char *str, unsigned vector_length)
 #undef I
 
 ir_variable *
-ir_swizzle::variable_referenced()
+ir_swizzle::variable_referenced() const
 {
    return this->val->variable_referenced();
 }
@@ -1319,7 +1320,7 @@ ir_swizzle::variable_referenced()
 ir_variable::ir_variable(const struct glsl_type *type, const char *name,
                         ir_variable_mode mode)
    : max_array_access(0), read_only(false), centroid(false), invariant(false),
-     mode(mode), interpolation(ir_var_smooth), array_lvalue(false)
+     mode(mode), interpolation(ir_var_smooth)
 {
    this->ir_type = ir_type_variable;
    this->type = type;