Age | Commit message (Collapse) | Author |
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ARB_vp requires vertex transformation to be invariant to fixed function tnl
if the position_invariant option is used. So the same function needs to be
used, otherwise z-fighting artifacts may happen with applications which rely
on the results being really the same due to precision issues when dealing with
floating point values (may not be a problem when using a non-optimizing
compiler strictly following IEEE rules).
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segfault if program is NULL
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position invariant.
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programs (fixes a segfault since the result of the shift is undefined otherwise, and it may happen that _TNL_ATTRIB_POINTSIZE will be tried to read, unlike all other attribs this however may be unitialized (might be a bug in itself)).
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"gl_" to match other structs.
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just aliases for members of the VB->AttribPtr[] array.
Begin replacing FogCoordPtr with VB->AttribPtr[_TNL_ATTRIB_FOG], and similarly
for NormalPtr, TexCoordPtr, PointSizePtr, etc.
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ctx->_MaintainTnlProgram is set
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instruction, extend the 2 bit rsw field to 3 bit like used in other places. While here, also fix up rsw (negation), dph and try to fix up rsq with negative values (doesn't work, bug seems elsewhere) in the sse codegen code.
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in various places.
Note that ctx->Texture.CurrentUnit needs to be tested against Coord/Image
limits when referenced, not just in glActiveTexture().
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only includes the 6 frustum bits, not the user-clip plane bit, nor the vertex
cull bit.
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- generate error on NULL pointers in glShaderSourceARB;
- reinstall program object, if current, in glLinkProgramARB;
- vertex and fragment shaders are optional in program object;
- floor asm was wrongly computed for x86 back-end;
- allow for (void) idiom in function prototypes;
- all fixed-state uniforms are updated;
- local variable initializers are working;
- implement texture* and shadow* functions for vertex processor;
- generate error if too many arguments in general constructor;
- trim unused data in general constructor;
- struct r-value field select was badly relocated;
Changes:
- add derived state gl_fog_attrib::_Scale;
- add derived state gl_light::_CosCutoffNeg;
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If enabled, all other stages, except render, are disabled.
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(bug 5791)
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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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instructions to the various internal tables. It does not add support for
them to the parser nor does it add support for them to the program
interpreter.
It also corrects some errors in the comments in program_instruction.h.
This patch breaks the instruction union in t_vb_arbprogram.h. The opcode
field in that union was only 6 bits. When there were only 59+3 instructions
that worked fine. However, this patch increases the base instruction count
to 69. This requires 7 bits. The problem is that increasing the opcode
width to 7 bits increases the size of instruction::rsw to 33 bits. I've
increased the size of the union to 64-bit, but this is just a temporary hack
(and probably breaks the build on some systems).
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Based on patch by Ian (#4967) but also unify instruction opcodes.
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arb_vp_machine struct
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currently fails sometimes
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fixing.
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so that calls to glProgramStringARB() to specify a new program causes the
TNL-attached data to get recomputed.
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GL_NV_vertex_program programs can't directly reference GL state so this
pointer is always NULL.
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opcodes. When enabled via environment vars, gears runs and almost
looks right but other apps are still quite buggy.
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Remove dead floating point twiddles.
Fix bug translating MAD->MUL,ADD.
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