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Use new internal state to avoid per-vertex normalization of static spot
direction vector. Use internal state for simpler per-vertex fog computations
(MAD instead of SUB/MUL for linear fog, EX2 instead of POW for EXP/EXP2 fog).
Simplify point size calc (2 MADs instead of MOV, MUL, MUL, DP3), and while
there fix it up (RSQ instead of RCP). All untested...
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they can now apply to vertex programs.
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textures nowadays
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_mesa_add_named_constant() to indicate vector size (1, 2, 3 or 4).
Always 4 for now...
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warnings about long string literals.
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Abs, NegateAbs, CondMask and CondSwizzle fields to defaults here.
CondMask was getting mis-set. Removing the incorrect assignment improves
fragment program speed by 15%.
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vertex program, even though it's not really supported. Results will be
undefined, but Warcraft doesn't actually use the attribute.
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in new program_error() function.
Add const qualifiers in many places.
Reorder some debug code to prevent referencing free'd memory.
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For example, referencing both "texture[0], 2D" and "texture[0], CUBE" in one
program is an error.
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"gl_" to match other structs.
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don't segfault when you're trying to access invalid generic attributes
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done in parse_generic_attrib_num()
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GL_ARB_vertex_program.
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- use macros to access and modify render inputs bit-field;
- un-alias generic vertex attributes for ARB vertex calls;
- use MAX_VERTEX_PROGRAM_ATTRIBS (NV code) or MAX_VERTEX_ATTRIBS
(ARB code) in place of VERT_ATTRIB_MAX;
- define VERT_ATTRIB_GENERIC0..15 for un-aliased vertex
attributes for ARB_vertex_shader;
- fix generic attribute index range check in arbprogparse.c;
- interface GLSL varyings between vertex and fragment shader;
- use 64-bit optimised bitset (bitset.h) for render inputs;
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possible values: SATURATE_OFF, SATURATE_ZERO_ONE and SATURATE_PLUS_MINUS_ONE.
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arbprogparse.c and remove arbvertparse.[ch] and arbfragparse.[ch].
Clean up quite a bit of the arb parsing code.
Rewrite parser extension code to avoid a mess of string operations every
time the parser was used.
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Instructions, InputsRead, OutputsWritten, and Parameters.
Also, added debug functions: _mesa_print_instruction(),
_mesa_print_program_parameters() and revamp _mesa_print_program().
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Based on patch by Ian (#4967) but also unify instruction opcodes.
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arb_program struct.
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- Renumber VERT_RESULT_* values so that they match the
numbers of the corresponding FRAG_ATTRIB_ values.
- Add ctx->VertexProgram._Current and FragmentProgram._Current
values which point to either the current client-supplied
program if enabled, or otherwise to the current mesa-internal
program. Thus this program is always the correct one for
the current state, providing that the mesa flags to turn on
automatic generation are enabled.
- Add callbacks to ctx->Driver.BindProgram() in texenvprogram.c
and t_vp_build.c so that the driver knows when the generated
program changes. This is cleaner than trying to code all the
possible _NEW_* flags into the driver, and more precise as well.
- Add a UsesKill flag to identify fragment programs with that
instruction, as these can require special treatment.
- Move the FRAG_OUTPUT values to mtypes.h, near to similar defn's.
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temporaries, parameters, etc).
glGetProgramivARB() now returns all the right things.
Updated i915 and r300 code to initialize program native limits and
current program's native instruction/temporary/etc counts.
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Now only use VERT_ATTRIB_* and FRAG_ATTRIB_* tokens instead of
hard-coded numbers.
Note: previous check-in did similarly for output register parsing.
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Use new _mesa_init_fp/vp_instruction() function to initialize instructions.
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Clean up the parse_extended_swizzle_mask() and parse_swizzle_mask() functions.
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Specifically, don't attach a dummy program.
This change also fixes an occasional segfault.
Some code clean-ups. Use GLboolean instead of GLuint to return pass/fail.
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