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65 commits

Author SHA1 Message Date
Kenneth Graunke
a7650af706 ir_constant_expression: Simplify code that implements the "dot" builtin. 
There's no need to use an ir_expression; we have a handy C function.
 2010-07-28 15:46:28 -07:00
Kenneth Graunke
5489ad086f ir_constant_expression: Add support for the "length" builtin. 2010-07-28 15:46:28 -07:00
Kenneth Graunke
ffcec13599 ir_constant_expression: Extract dot product calculation for reuse. 2010-07-28 15:46:28 -07:00
Kenneth Graunke
4b1d77ea96 ir_constant_expression: Remove support for dot products of integers. 
This shouldn't be required since dot is only defined for floating point
types, even in GLSL 4.0.
 2010-07-28 15:46:28 -07:00
Kenneth Graunke
557827340a ir_constant_expression: Add support for the "greaterThanEqual" builtin. 2010-07-28 15:46:28 -07:00
Kenneth Graunke
7f042b9812 ir_constant_expression: Add support for the "greaterThan" builtin. 2010-07-28 15:46:28 -07:00
Kenneth Graunke
319f4949e0 ir_constant_expression: Add support for the "lessThanEqual" builtin. 2010-07-28 15:46:28 -07:00
Kenneth Graunke
6d897f07cf ir_constant_expression: Add support for the "lessThan" builtin. 2010-07-28 15:46:27 -07:00
Kenneth Graunke
48a69ba057 ir_constant_expression: Add support for the "notEqual" builtin. 2010-07-28 15:46:27 -07:00
Kenneth Graunke
0b6ef6ef6e ir_constant_expression: Add support for the "equal" builtin. 2010-07-28 15:46:27 -07:00
Kenneth Graunke
2eaf31642c ir_constant_expression: Add support for the "distance" builtin. 2010-07-28 15:46:27 -07:00
Kenneth Graunke
7bcaa3828f ir_constant_expression: Add support for the "degrees" builtin. 2010-07-28 15:46:27 -07:00
Kenneth Graunke
0afe349322 ir_constant_expression: Add support for the "radians" builtin. 2010-07-28 15:46:27 -07:00
Kenneth Graunke
20970f7dea ir_constant_expression: Add support for the "tanh" builtin. 2010-07-28 15:46:27 -07:00
Kenneth Graunke
9c9f8b2d69 ir_constant_expression: Add support for the "tan" builtin. 2010-07-28 15:46:27 -07:00
Kenneth Graunke
5d551daf38 ir_constant_expression: Add support for the "sinh" builtin. 2010-07-28 15:46:27 -07:00
Kenneth Graunke
ba4178345a ir_constant_expression: Add support for the "cosh" builtin. 2010-07-28 15:46:27 -07:00
Kenneth Graunke
13f8758e9c ir_constant_expression: Add support for "atan" builtins. 2010-07-28 15:46:27 -07:00
Kenneth Graunke
f6ea9dfe47 ir_constant_expression: Add support for "acos" builtin. 2010-07-28 15:46:27 -07:00
Kenneth Graunke
3b6c29b8f0 ir_constant_expression: Add support for "asin" builtin. 2010-07-28 15:46:26 -07:00
Kenneth Graunke
d6792a7f7c ir_constant_expression: Add support for "any" builtin. 2010-07-28 15:46:26 -07:00
Kenneth Graunke
aca7e95222 ir_constant_expression: Add support for "all" builtin. 2010-07-28 15:46:26 -07:00
Kenneth Graunke
8b1680acc3 ir_constant_expression: Implement builtins that wrap an expression. 
These builtin functions are represented by ir_expression_operations, so
we can just create one of those and ask for its value.
 2010-07-28 15:46:26 -07:00
Kenneth Graunke
38cb1b273f ir_constant_expression: Add support for builtins dFdx, dFdy, and fwidth. 
These always return zero (the derivative of a constant).
 2010-07-28 15:46:26 -07:00
Kenneth Graunke
bafd89fa0f ir_constant_expression: Stub out support for constant builtins. 2010-07-28 15:46:26 -07:00
Kenneth Graunke
f914915d8e ir_constant_expression: Use Mesa's MIN2/MAX2 instead of our own. 2010-07-28 15:46:26 -07:00
Eric Anholt
54f583a206 glsl2: Don't dereference a NULL var in CE handling during a compile error. 
If an undeclared variable was dereferenced in an expression that
needed constant expression handling, we would walk off a null ir->var
pointer.

Fixes:
glsl1-TIntermediate::addUnaryMath
 2010-07-27 12:10:50 -07:00
Kenneth Graunke
3e882ec84a ir_constant_expression: Fix broken code for floating point modulus. 
It's supposed to be x - y * floor(x/y), not (x - y) * floor(x/y).
 2010-07-22 17:45:45 -07:00
Kenneth Graunke
9a6d40fbfb ir_constant_expression: Add support for array == and !=. 
Piglit parser tests const-array-03.frag and const-array-04.frag now
generate the correct code.
 2010-07-21 16:38:33 -07:00
Kenneth Graunke
a096fa7476 ir_constant_expression: Add support for constant arrays. 
Fixes piglit test const-array-02.frag.
 2010-07-21 16:38:33 -07:00
Kenneth Graunke
46d6b8d1ba ir_constant_expression: Add support for ir_unop_u2f. 
Also make ir_unop_i2f only operate on signed integers.
 2010-07-21 16:38:32 -07:00
Kenneth Graunke
3163f87463 ir_constant_expression: Remove open coded equality comparisons. 
The ir_constant::has_value method already does this.
 2010-07-21 16:38:32 -07:00
Kenneth Graunke
e4768eecd5 ir_constant_expression: Remove pointless use of variable_referenced. 
ir_dereference_variable always references an ir_variable, so there's no
point in calling a function and NULL-checking the result.
 2010-07-20 17:10:05 -07:00
Kenneth Graunke
98f32a13be ir_constant_expression: Use "this" pointer directly. 
In ir_expression's signature, I replaced ir->operands[i] with op[i] as
it is more concise; an assertion already ensures these are equal.
 2010-07-20 17:10:05 -07:00
Kenneth Graunke
fb2ffd2846 ir_constant_expression: Convert from a visitor to a virtual function. 
The constant_expression_wrapper was already the only external API, and
much of the internal code used it anyway.  Also, it wouldn't ever visit
non-rvalue ir_instructions, so using a visitor seemed a bit unnecessary.

This uses "ir_foo *ir = this;" lines to avoid code churn.  These should
be removed.
 2010-07-20 17:10:05 -07:00
Kenneth Graunke
e340854115 glsl2: Move constant_expression_value method to ir_rvalue. 
This prevents top-level callers from asking for the value of something
that is guaranteed not to have one.
 2010-07-20 17:10:05 -07:00
Eric Anholt
9be7f63813 glsl2: Make cross() be an expression operation. 
ARB_fp, ARB_vp, Mesa IR, and the 965 vertex shader all have
instructions for cross.  Shaves 12 Mesa instructions off of a
66-instruction shader I have.
 2010-07-18 18:12:12 -07:00
Kenneth Graunke
ce5ae5f49d ir_constant_expression: Add support for ir_binop_mod. 2010-07-14 16:49:24 -07:00
Kenneth Graunke
79fed377f4 ir_constant_expression: Add support for ir_binop_min and ir_binop_max. 
These now work on scalar/vector combos. Semantically, if a is a scalar,
min(a, vec2(x,y)) == vec2(min(a,x), min(a,y))
 2010-07-14 15:50:28 -07:00
Kenneth Graunke
891a0647e4 ir_constant_expression: Add support for ir_binop_pow. 2010-07-14 15:50:28 -07:00
Kenneth Graunke
3fab376bef ir_constant_expression: Add support for ir_unop_cos. 2010-07-14 15:50:28 -07:00
Kenneth Graunke
908afd16d1 ir_constant_expression: Add support for ir_unop_sin. 2010-07-14 15:50:28 -07:00
Kenneth Graunke
074720477c ir_constant_expression: Add support for ir_unop_floor. 2010-07-14 15:50:28 -07:00
Kenneth Graunke
c1ee30a145 ir_constant_expression: Add support for ir_unop_ceil. 2010-07-14 15:50:28 -07:00
Kenneth Graunke
323d909ab2 ir_constant_expression: Add support for ir_unop_trunc. 
This uses a C99 function.
 2010-07-14 15:50:28 -07:00
Kenneth Graunke
cb63929df4 ir_constant_expression: Add support for ir_unop_log2. 
This uses a C99 function.
 2010-07-14 15:50:27 -07:00
Kenneth Graunke
aca01edc83 ir_constant_expression: Add support for ir_unop_exp2. 
This uses a C99 function.
 2010-07-14 15:50:27 -07:00
Kenneth Graunke
14b7b2660c ir_constant_expression: Add support for ir_unop_sign. 2010-07-14 15:50:27 -07:00
Kenneth Graunke
5e840dba44 ir_constant_expression: Remove bogus assert in ir_unop_abs case. 
abs is defined for integral types; it's even implemented.
 2010-07-14 15:50:27 -07:00
Kenneth Graunke
acf88f2769 ir_constant_expression: Fix loop increments. 2010-07-07 12:41:26 -07:00