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* glsl: Implement saturate as ir_unop_saturateAbdiel Janulgue2014-08-311-5/+1
| | | | | | | | | Now that we have the ir_unop_saturate implemented as a single instruction, generate the correct simplified expression. Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Ian Romanick <[email protected]> Signed-off-by: Abdiel Janulgue <[email protected]>
* glsl: add new expression types for interpolateAt*Chris Forbes2014-07-121-0/+18
| | | | | | | Will be used to implement interpolateAt*() from ARB_gpu_shader5 Signed-off-by: Chris Forbes <[email protected]> Reviewed-by: Ilia Mirkin <[email protected]>
* glsl: Allow dot() on scalars, and throw out dotlike().Matt Turner2014-03-181-6/+1
| | | | | | | | | | In all uses of dotlike() we're writing generic code that operates on 1-4 component vectors. That our IR requires ir_binop_dot expressions' operands to be 2+ component vectors is an implementation detail that's not important when implementing built-in functions with dot(), which is defined for scalar floats in GLSL. Reviewed-by: Eric Anholt <[email protected]>
* glsl: rename min(), max() functions to fix MSVC buildBrian Paul2014-01-061-2/+2
| | | | | | | | Evidently, there's some other definition of "min" and "max" that causes MSVC to choke on these function names. Renaming to min2() and max2() fixes things. Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: add min() and max() functions to builder.cppMaxence Le Doré2014-01-061-0/+10
| | | | Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: Implement [iu]mulExtended() built-ins for ARB_gpu_shader5.Matt Turner2013-10-071-0/+5
| | | | | | | | | | These built-ins have two "out" parameters, which makes implementing them efficiently with our current compiler infrastructure difficult. Instead, implement them in terms of the existing ir_binop_mul IR (to return the low 32-bits) and a new ir_binop_mul64 which returns the high 32-bits. v2: Rename mul64 -> imul_high as suggested by Ken. Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: Add ir_binop_carry and ir_binop_borrow.Matt Turner2013-10-071-0/+10
| | | | | | | | | Calculates the carry out of the addition of two values and the borrow from subtraction respectively. Will be used in uaddCarry() and usubBorrow() built-in implementations. Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* glsl: Add conditional-select IR.Matt Turner2013-09-091-0/+6
| | | | | | | | | | | It's a ?: that operates per-component on vectors. Will be used in upcoming lowering pass for ldexp and the implementation of frexp. csel(selector, a, b): per-component result = selector ? a : b Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* glsl: Add IR builder shortcuts for a bunch of random opcodes.Kenneth Graunke2013-09-091-0/+80
| | | | | | | | | | | | | | | Adding new convenience emitters makes it easier to generate IR involving these opcodes. bitfield_insert is particularly useful, since there is no expr() for quadops. v2: Add fma() and rename lrp() operands to x/y/a to match the GLSL specification (suggested by Matt Turner). Fix whitespace issues. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Paul Berry <[email protected]>
* glsl: Add a new ir_builder::dotlike() function.Kenneth Graunke2013-09-091-0/+11
| | | | | | | | | | | | dotlike() uses ir_binop_mul for scalars, and ir_binop_dot for vectors. When generating built-in functions, we often want to use regular multiply for scalar signatures, and dot() for vector signatures. ir_binop_dot only works on vectors, so we have to switch opcodes, even if the code is otherwise identical. dotlike() makes this easy. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Paul Berry <[email protected]>
* glsl: Add IR builder support for generating return statements.Kenneth Graunke2013-09-091-0/+7
| | | | | | | | | We use "ret" as the function name since "return" is a C++ keyword, and "ir_return" is already a class name. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Paul Berry <[email protected]>
* glsl: Add IR builder support for conditional assignments.Kenneth Graunke2013-09-091-2/+15
| | | | | | | | | | | | | This adds two new signatures: assign(lhs, rhs, condition, writemask); assign(lhs, rhs, condition); All the other existing APIs still exist. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Paul Berry <[email protected]>
* glsl: Add IR builder support for triops.Kenneth Graunke2013-09-091-0/+8
| | | | | | | | | Now that we have the ir_expression constructor that does type inference, this is trivial to do. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Matt Turner <[email protected]> Reviewed-by: Paul Berry <[email protected]>
* glsl: Add i2b() and b2i() to ir_builder.Matt Turner2013-08-141-0/+12
| | | | | Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Chad Versace <[email protected]>
* glsl: Add nequal() to ir_builder.Matt Turner2013-08-141-0/+6
| | | | | Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Chad Versace <[email protected]>
* glsl: Add abs() to ir_builder.Matt Turner2013-08-141-0/+6
| | | | | Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Chad Versace <[email protected]>
* glsl: Add bitcast_i2f() to ir_builder.Matt Turner2013-08-141-0/+24
| | | | | Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Chad Versace <[email protected]>
* glsl/ir_builder: Add helpers for making if-statementsChad Versace2013-01-241-0/+29
| | | | | | | | | | | Add two overloaded variants of ir_if *if_tree() The new functions allow one to chain together if-trees within a single C++ expression that resembles a real if-statement. Reviewed-by: Ian Romanick <[email protected]> Signed-off-by: Chad Versace <[email protected]>
* glsl/ir_builder: Add more helpers for constructing expressionsChad Versace2013-01-241-0/+130
| | | | | | | | | | | | | | | | | Add the following functions, each of which construct the similarly named ir expression: div, round_even, clamp equal, less, greater, lequal, gequal logic_not, logic_and, logic_or bit_not, bit_or, bit_and, lshift, rshift f2i, i2f, f2u, u2f, i2u, u2i Reviewed-by: Ian Romanick <[email protected]> Signed-off-by: Chad Versace <[email protected]>
* glsl: change int->unsigned to silence MSVC warningsBrian Paul2012-11-061-1/+1
| | | | Reviewed-by: Jose Fonseca <[email protected]>
* glsl/ir_builder: Add a new swizzle_for_size() function.Kenneth Graunke2012-07-121-0/+15
| | | | | | | | This swizzles away unwanted components, while preserving the order of the ones that remain. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]>
* glsl/ir_builder: Add a generic constructor for unary expressions.Kenneth Graunke2012-07-121-0/+8
| | | | | | | | | I needed to compute logs and square roots in a patch I was working on, and wanted to use the convenient interface. We already have a similar constructor for binops; adding one for unops seems reasonable. Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Eric Anholt <[email protected]>
* glsl: Add a helper for generating temporary variables in ir_builder.Eric Anholt2012-04-131-0/+11
| | | | Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: Add a helper for ir_builder to make dereferences for assignments.Eric Anholt2012-04-131-0/+18
| | | | | | v2: Fix writemask setup for non-vec4 assignments. Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: Make a little tracking class for emitting IR lists.Eric Anholt2012-04-131-0/+6
| | | | | | | This lets us significantly shorten p->instructions->push_tail(ir), and will be used in a few more places. Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: Add common swizzles to ir_builder.Eric Anholt2012-04-131-0/+80
| | | | | | | | | | Now we can fold a bunch of our expression setup in ff_fragment_shader into single-line, parseable commits. v2: Make it actually work. I wasn't setting num_components in the mask structure, and not setting up a mask structure is way easier. Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: Let ir_builder expressions take un-dereferenced variables.Eric Anholt2012-04-131-10/+9
| | | | | | | | | | | Having to explicitly dereference is irritating and bloats the code, when the compiler can detect and do the right thing. v2: Use a little shim class to produce the automatic dereference generation at compile time as opposed to runtime, while also allowing compile-time type checking. Reviewed-by: Kenneth Graunke <[email protected]>
* glsl: Create an ir_builder helper for hand-generating IR.Eric Anholt2012-04-131-0/+69
The C++ constructors with placement new, while functional, are extremely verbose, leading to generation of simple GLSL IR expressions like (a * b + c * d) expanding to many lines of code and using lots of temporary variables. By creating a new ir_builder.h that puts simple generators in our namespace and taking advantage of ralloc_parent(), we can generate much more compact code, at a minor runtime cost. v2: Replace ir_instruction usage with just ir_rvalue. v3: Drop remaining missed as_rvalue() in v2. Reviewed-by: Kenneth Graunke <[email protected]>
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