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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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- 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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only includes the 6 frustum bits, not the user-clip plane bit, nor the vertex
cull bit.
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This fix is to discard the line if both dot products are negative.
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be _TNL_ATTRIB_MAX long so that's not a valid index (woo zero based
indexing).
This code still looks wrong though, the asymmetry between _tnl_copy_to_current
and _tnl_copy_from_current has me worried.
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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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- add x86 code generator;
- add full support for uniforms in ARB_shader_objects;
- add assembly instruction: global_addr;
- reorganize #includes;
- built-in uniforms accessed by index, rather than by name;
- add some entries to x86sse rtasm;
- add configurations to VC6 projects: 'Release x86' and 'Debug x86';
- #define SLANG_X86 active only on VC6 x86 builds;
- introduce code export table for a shader;
- remove GNU license from the noise library;
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Update OpenVMS makefiles
Modified Files:
Mesa/src/mesa/shader/slang/descrip.mms
Mesa/src/mesa/swrast/descrip.mms Mesa/src/mesa/tnl/descrip.mms
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- general constructors allowed;
- implement noise functions (from Stefan Gustavson - thanks!)
- cosmetic stuff.
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If enabled, all other stages, except render, are disabled.
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(bug 5791)
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- no need to update ClipMask on generated vertices
- remove the VB->LastClipped value
Line clipping algorithm changed and simplified somewhat. The old one
was based on the triangle routine and probably wouldn't have recognized
lines that were clipped down to nothing (ie culled, but not by a single
plane).
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driver.
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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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Set new tnl->DiscardPrimitive field to true when such error is
detected to discard the glBegin/End primitive when flushing.
Added some new comments.
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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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drivers) can track when the sizes or strides of incoming VB->AttribPtr
arrays have changed.
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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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currently fails sometimes
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