X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fglsl%2Fir_builder.h;h=573596cf1357ea9888f88ff571ced7132d6df447;hb=5105f9a7ae66001537e8dbf6acf40faf736430e5;hp=78b119dafeebf9df88aaf2e86bd6689cd560aa9c;hpb=d6e6566206029ace72ba037a3ef7950876eeb88b;p=mesa.git diff --git a/src/glsl/ir_builder.h b/src/glsl/ir_builder.h index 78b119dafee..573596cf135 100644 --- 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 */