glsl: add missing null check in tfeedback_decl::init()

[mesa.git] / src / glsl / ir_builder.h

diff --git a/src/glsl/ir_builder.h b/src/glsl/ir_builder.h
index 78b119dafeebf9df88aaf2e86bd6689cd560aa9c..573596cf1357ea9888f88ff571ced7132d6df447 100644 (file)
--- a/src/glsl/ir_builder.h
+++ b/src/glsl/ir_builder.h
@@ -25,6 +25,15 @@
 
 namespace ir_builder {
 
+#ifndef WRITEMASK_X
+enum writemask {
+   WRITEMASK_X = 0x1,
+   WRITEMASK_Y = 0x2,
+   WRITEMASK_Z = 0x4,
+   WRITEMASK_W = 0x8,
+};
+#endif
+
 /**
  * This little class exists to let the helper expression generators
  * take either an ir_rvalue * or an ir_variable * to be automatically
@@ -50,11 +59,164 @@ public:
    ir_rvalue *val;
 };
 
+/** Automatic generator for ir_dereference_variable on assignment LHS.
+ *
+ * \sa operand
+ */
+class deref {
+public:
+   deref(ir_dereference *val)
+      : val(val)
+   {
+   }
+
+   deref(ir_variable *var)
+   {
+      void *mem_ctx = ralloc_parent(var);
+      val = new(mem_ctx) ir_dereference_variable(var);
+   }
+
+
+   ir_dereference *val;
+};
+
+class ir_factory {
+public:
+   ir_factory(exec_list *instructions = NULL, void *mem_ctx = NULL)
+      : instructions(instructions),
+        mem_ctx(mem_ctx)
+   {
+      return;
+   }
+
+   void emit(ir_instruction *ir);
+   ir_variable *make_temp(const glsl_type *type, const char *name);
+
+   ir_constant*
+   constant(float f)
+   {
+      return new(mem_ctx) ir_constant(f);
+   }
+
+   ir_constant*
+   constant(int i)
+   {
+      return new(mem_ctx) ir_constant(i);
+   }
+
+   ir_constant*
+   constant(unsigned u)
+   {
+      return new(mem_ctx) ir_constant(u);
+   }
+
+   ir_constant*
+   constant(bool b)
+   {
+      return new(mem_ctx) ir_constant(b);
+   }
+
+   exec_list *instructions;
+   void *mem_ctx;
+};
+
+ir_assignment *assign(deref lhs, operand rhs);
+ir_assignment *assign(deref lhs, operand rhs, int writemask);
+ir_assignment *assign(deref lhs, operand rhs, operand condition);
+ir_assignment *assign(deref lhs, operand rhs, operand condition, int writemask);
+
+ir_return *ret(operand retval);
+
+ir_expression *expr(ir_expression_operation op, operand a);
 ir_expression *expr(ir_expression_operation op, operand a, operand b);
+ir_expression *expr(ir_expression_operation op, operand a, operand b, operand c);
 ir_expression *add(operand a, operand b);
 ir_expression *sub(operand a, operand b);
 ir_expression *mul(operand a, operand b);
+ir_expression *imul_high(operand a, operand b);
+ir_expression *div(operand a, operand b);
+ir_expression *carry(operand a, operand b);
+ir_expression *borrow(operand a, operand b);
+ir_expression *round_even(operand a);
 ir_expression *dot(operand a, operand b);
+ir_expression *clamp(operand a, operand b, operand c);
 ir_expression *saturate(operand a);
+ir_expression *abs(operand a);
+ir_expression *neg(operand a);
+ir_expression *sin(operand a);
+ir_expression *cos(operand a);
+ir_expression *exp(operand a);
+ir_expression *rsq(operand a);
+ir_expression *sqrt(operand a);
+ir_expression *log(operand a);
+ir_expression *sign(operand a);
+
+ir_expression *equal(operand a, operand b);
+ir_expression *nequal(operand a, operand b);
+ir_expression *less(operand a, operand b);
+ir_expression *greater(operand a, operand b);
+ir_expression *lequal(operand a, operand b);
+ir_expression *gequal(operand a, operand b);
+
+ir_expression *logic_not(operand a);
+ir_expression *logic_and(operand a, operand b);
+ir_expression *logic_or(operand a, operand b);
+
+ir_expression *bit_not(operand a);
+ir_expression *bit_or(operand a, operand b);
+ir_expression *bit_and(operand a, operand b);
+ir_expression *lshift(operand a, operand b);
+ir_expression *rshift(operand a, operand b);
+
+ir_expression *f2i(operand a);
+ir_expression *bitcast_f2i(operand a);
+ir_expression *i2f(operand a);
+ir_expression *bitcast_i2f(operand a);
+ir_expression *f2u(operand a);
+ir_expression *bitcast_f2u(operand a);
+ir_expression *u2f(operand a);
+ir_expression *bitcast_u2f(operand a);
+ir_expression *i2u(operand a);
+ir_expression *u2i(operand a);
+ir_expression *b2i(operand a);
+ir_expression *i2b(operand a);
+ir_expression *f2b(operand a);
+ir_expression *b2f(operand a);
+
+ir_expression *min2(operand a, operand b);
+ir_expression *max2(operand a, operand b);
+
+ir_expression *interpolate_at_centroid(operand a);
+ir_expression *interpolate_at_offset(operand a, operand b);
+ir_expression *interpolate_at_sample(operand a, operand b);
+
+ir_expression *fma(operand a, operand b, operand c);
+ir_expression *lrp(operand x, operand y, operand a);
+ir_expression *csel(operand a, operand b, operand c);
+ir_expression *bitfield_insert(operand a, operand b, operand c, operand d);
+
+ir_swizzle *swizzle(operand a, int swizzle, int components);
+/**
+ * Swizzle away later components, but preserve the ordering.
+ */
+ir_swizzle *swizzle_for_size(operand a, unsigned components);
+
+ir_swizzle *swizzle_xxxx(operand a);
+ir_swizzle *swizzle_yyyy(operand a);
+ir_swizzle *swizzle_zzzz(operand a);
+ir_swizzle *swizzle_wwww(operand a);
+ir_swizzle *swizzle_x(operand a);
+ir_swizzle *swizzle_y(operand a);
+ir_swizzle *swizzle_z(operand a);
+ir_swizzle *swizzle_w(operand a);
+ir_swizzle *swizzle_xy(operand a);
+ir_swizzle *swizzle_xyz(operand a);
+ir_swizzle *swizzle_xyzw(operand a);
+
+ir_if *if_tree(operand condition,
+               ir_instruction *then_branch);
+ir_if *if_tree(operand condition,
+               ir_instruction *then_branch,
+               ir_instruction *else_branch);
 
 } /* namespace ir_builder */