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* fix scoping mistake in previous commit that checked for writable LHSsBrian2007-03-311-1/+1
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* check that LHS of assignment is writableBrian2007-03-301-1/+22
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* cond code fixBrian2007-03-281-1/+6
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* fix cond code swizzle bugBrian2007-03-281-0/+5
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* Handle logical NOT and XOR without library functions. Results in much ↵Brian2007-03-283-75/+90
| | | | tighter code.
* optimization for the emit_not() functionBrian2007-03-281-3/+28
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* remove IR_BREAK_IF_FALSEBrian2007-03-283-46/+13
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* don't generate IR_BREAK_IF_FALSEBrian2007-03-281-10/+17
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* Get rid of IR_CONT_IF_FALSEBrian2007-03-283-10/+1
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* Don't emit OPCODE_CONT0/1, BRK0/1 instructions, clean-ups elsewhere.Brian2007-03-281-49/+66
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* simplify, clean-up break/cont codeBrian2007-03-281-8/+10
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* added some null ptr checks to handle error recoveryBrian2007-03-281-2/+15
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* Use constant_to_src_reg() to simplify some codeBrian2007-03-281-19/+24
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* added missing returns after slang_info_log_error() callsBrian2007-03-281-0/+2
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* Fix, clean-up code related to comparisons, condition codes, etc.Brian2007-03-281-47/+78
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* check that if/while/do-while condition is boolean or scalarBrian2007-03-281-0/+34
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* Implement true CAL/RET subroutines. Some optimizations, clean-ups coming...Brian2007-03-272-19/+162
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* added _slang_label_new_unique()Brian2007-03-272-0/+24
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* Checkpoint: implementing true CAL/RET instructions for subroutine calls.Brian2007-03-264-13/+92
| | | | | | Also, found/fixed a code generation regression: the emit_swizzle() function was always returning NULL. This caused emit_move() to miss its chance at peephole optimization.
* Get rid of IR_JUMP and related code.Brian2007-03-263-25/+2
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* Get rid of SLANG_OPER_GOTO, start rewrite of 'return' handling.Brian2007-03-264-56/+65
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* remove debug abort() callsBrian2007-03-264-14/+10
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* Additional error checking for 'return' statements.Brian2007-03-263-9/+58
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* undo some debugging hacksBrian2007-03-261-2/+2
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* dead code elimination for constant-valued if/then/elseBrian2007-03-261-0/+13
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* Fix a few issues with computing storage sizes with respect to swizzles.Brian2007-03-262-42/+29
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* remove incorrect assertionsBrian2007-03-261-2/+0
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* disable printing shader program debug infopost-merge-glsl-compiler-1Brian2007-03-261-4/+4
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* disable free() until other issues can be fixed...Brian2007-03-261-0/+2
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* fix mem leakBrian2007-03-241-7/+3
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* disable free(var->aux) -- can lead to segfaultBrian2007-03-241-0/+2
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* fix mem leakBrian2007-03-241-0/+3
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* fix some mem leaksBrian2007-03-241-6/+9
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* fix mistake in _slang_free_ir()Brian2007-03-241-1/+1
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* Properly free the slang_ir_node->Store data (use ref counting).Brian2007-03-242-12/+46
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* move some code into new slang_ir.c fileBrian2007-03-243-334/+29
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* IR utility functionsBrian2007-03-241-0/+354
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* Fix issues related to the 'continue' statement.Brian2007-03-233-52/+126
| | | | | | | | IR_LOOP now has two children: the body code, and the tail code. Tail code is the "i++" part of a for-loop, or the expression at the end of a "do {} while(expr);" loop. "continue" translates into: "execute tail code; CONT;" Also, the test for infinite do/while loops was incorrect.
* Add the ability to generate programs that doesn't use condition codes.Brian2007-03-231-37/+86
| | | | | | | ctx->Shader.EmitCondCodes determines if we use condition codes. If not, IF statement uses first operand's X component as the condition. Added OPCODE_BRK0, OPCODE_BRK1, OPCODE_CONT0, OPCODE_CONT1 to handle the common cases of conditional break/continue.
* minor tweaksBrian2007-03-231-2/+2
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* updated commentBrian2007-03-231-1/+1
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* Overhaul emit_compare() function.Brian2007-03-223-36/+143
| | | | | | | | Previously, comparing vec2, vec3, vec4 was broken. Added IR_EQUAL, IR_NOTEQUAL nodes/operators to compute boolean equality/inequality vs. IR_SEQUAL/IR_SNEQUAL which work component-wise. Use IR_EQUAL/IR_NOTEQUAL for the == and != operators. To compute vec4 equality, use SNE, DP4, SEQ instruction sequence.
* First pass at implementing structure compares.Brian2007-03-221-9/+28
| | | | | Need to improve this. There may be holes in a structure so we can't just blindly compare the full 4-float registers.
* In _mesa_add_unnamed_constant() and _mesa_lookup_parameter_constant() allow ↵Brian2007-03-221-2/+2
| | | | | | | | swizzleOut==NULL. There are times when we don't want to allow swizzling when searching for or adding vector constants. Passing NULL for swizzleOut disables swizzling. This fixes a constant/swizzle bug in link_uniform_vars().
* Support for user-defined structures.Brian2007-03-213-23/+119
| | | | struct == and != operators not finished yet. Struct assignment works though.
* disable apparently unused codeBrian2007-03-212-0/+4
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* indentBrian2007-03-211-107/+111
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* s/Tranpose/Transpose/Brian2007-03-141-4/+4
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* continue prev check-in: save ptr to slang_function for SLANG_OPER_CALLBrian2007-03-141-5/+13
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* After we've found the slang_function ptr for a SLANG_OPER_CALL node, save ↵Brian2007-03-142-62/+76
| | | | | | | | the ptr in the node for reuse. This can save a tremendous amount of time when resolving types in complex expressions. One particular shader was taking several minutes to compile but now compiles almost instantaneoulsy.
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