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* glsl/builtins: Compute the correct value for smoothstep(vec, vec, vec).Kenneth Graunke2010-12-171-87/+34
| | | | | | | | These mistakenly computed 't' instead of t * t * (3.0 - 2.0 * t). Also, properly vectorize the smoothstep(float, float, vec) variants. NOTE: This is a candidate for the 7.9 and 7.10 branches.
* glsl: Reimplement the "cross" built-in without ir_binop_cross.Kenneth Graunke2010-11-171-3/+5
| | | | | | We are not aware of any GPU that actually implements the cross product as a single instruction. Hence, there's no need for it to be an opcode. Future commits will remove it entirely.
* glsl: Implement the asinh, acosh, and atanh built-in functions.Kenneth Graunke2010-11-153-0/+79
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* glsl/builtins: Clean up some ugly autogenerated code in atan.Kenneth Graunke2010-11-031-20/+5
| | | | | | In particular, calling the abs function is silly, since there's already an expression opcode for that. Also, assigning to temporaries then assigning those to the final location is rather redundant.
* glsl/builtins: Rename 'x' to 'y_over_x' in atan(float) implementation.Kenneth Graunke2010-11-031-4/+4
| | | | For consistency with the vec2/vec3/vec4 variants.
* glsl: Add support for GLSL 1.30's modf built-in.Kenneth Graunke2010-10-211-0/+41
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* glsl: Add support for the 1.30 round() built-in.Kenneth Graunke2010-10-141-0/+21
| | | | | | | This implements round() via the ir_unop_round_even opcode, rather than adding a new opcode. We may wish to add one in the future, since it might enable a small performance increase on some hardware, but for now, this should suffice.
* glsl: Add front-end support for GLSL 1.30's roundEven built-in.Kenneth Graunke2010-10-141-0/+21
| | | | Implemented using the op-code introduced in the previous commit.
* glsl: Add front-end support for the "trunc" built-in.Kenneth Graunke2010-10-141-0/+21
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* glsl: Rework assignments with write_masks to have LHS chan count match RHS.Eric Anholt2010-09-223-37/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It turns out that most people new to this IR are surprised when an assignment to (say) 3 components on the LHS takes 4 components on the RHS. It also makes for quite strange IR output: (assign (constant bool (1)) (x) (var_ref color) (swiz x (var_ref v) )) (assign (constant bool (1)) (y) (var_ref color) (swiz yy (var_ref v) )) (assign (constant bool (1)) (z) (var_ref color) (swiz zzz (var_ref v) )) But even worse, even we get it wrong, as shown by this line of our current step(float, vec4): (assign (constant bool (1)) (w) (var_ref t) (expression float b2f (expression bool >= (swiz w (var_ref x))(var_ref edge)))) where we try to assign a float to the writemasked-out x channel and don't supply anything for the actual w channel we're writing. Drivers right now just get lucky since ir_to_mesa spams the float value across all the source channels of a vec4. Instead, the RHS will now have a number of components equal to the number of components actually being written. Hopefully this confuses everyone less, and it also makes codegen for a scalar target simpler. Reviewed-by: Kenneth Graunke <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* glsl/builtins: Switch comparison functions to just return an expression.Kenneth Graunke2010-09-184-180/+36
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* glsl/builtins: Fix equal and notEqual builtins.Kenneth Graunke2010-09-182-24/+24
| | | | | Commit 309cd4115b7cba669a0bf858e7809cb6dae90ddf incorrectly converted these to all_equal and any_nequal, which is the wrong operation.
* glsl2: Port equal() and notEqual() to ir_unop_all_equal and ir_unop_any_nequalIan Romanick2010-09-132-120/+24
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* glsl2: Implement noise[1234] built-in functions using ir_unop_noiseIan Romanick2010-09-094-52/+229
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* glsl/builtins: normalize of a negative scalar should be -1.0.Kenneth Graunke2010-09-091-1/+1
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* glsl: Fix for scalar float built-in definitions.Kenneth Graunke2010-09-082-2/+2
| | | | These need abs, and we need more tests.
* glsl: Fix typo in builtin step() using a wrong channel.Eric Anholt2010-09-081-1/+1
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* glsl/builtins: Don't use ir_binop_dot on floating point values.Kenneth Graunke2010-09-084-6/+6
| | | | ir_binop_dot is only defined for vector types. Use ir_binop_mul.
* glsl/builtins: Simplify degenerate scalar float cases.Kenneth Graunke2010-09-083-5/+3
| | | | | | | The code being generated was just stupid, considering that: - normalize(x) = 1.0 - length(x) = x - distance(x, y) = x - y
* glsl/builtins: Convert assignments to new format (with write mask).Kenneth Graunke2010-09-0415-398/+389
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* glsl: Add forgotten implementations of equal/notEqual on bvecs.Kenneth Graunke2010-09-012-0/+60
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* glsl2: fix bug in atan(y, x) functionBrian Paul2010-08-311-7/+3
| | | | When x==0, the result was wrong. Fixes piglit glsl-fs-atan-1.shader_test
* mesa: Add new ir_unop_any() expression operation.Eric Anholt2010-08-231-3/+3
| | | | | | | The previous any() implementation would generate arg0.x || arg0.y || arg0.z. Having an expression operation for this makes it easy for the backend to generate something easier (DPn + SNE for 915 FS, .any predication on 965 VS)
* glsl2: Rework builtin function generation.Kenneth Graunke2010-08-1358-0/+2884
Each language version/extension and target now has a "profile" containing all of the available builtin function prototypes. These are written in GLSL, and come directly out of the GLSL spec (except for expanding genType). A new builtins/ir/ folder contains the hand-written IR for each builtin, regardless of what version includes it. Only those definitions that have prototypes in the profile will be included. The autogenerated IR for texture builtins is no longer written to disk, so there's no longer any confusion as to what's hand-written or generated. All scripts are now in python instead of perl.
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