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bump up MAX_INSTRUCTIONS and add an assertion to catch emitting too many instructions

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Brian
2007-10-23 10:23:01 -06:00
parent 5c79c088cd
commit e69943e6dd
1 changed files with 6 additions and 3 deletions
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9
src/mesa/main/texenvprogram.c
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@@ -36,10 +36,11 @@
#include "texenvprogram.h" #include "texenvprogram.h"
/** /**
* According to Glean's texCombine test, no more than 21 instructions * This MAX is probably a bit generous, but that's OK. There can be
* are needed. Allow a few extra just in case. * up to four instructions per texture unit (TEX + 3 for combine),
* then there's fog and specular add.
*/ */
#define MAX_INSTRUCTIONS 24 #define MAX_INSTRUCTIONS ((MAX_TEXTURE_UNITS * 4) + 12)
#define DISASSEM (MESA_VERBOSE & VERBOSE_DISASSEM) #define DISASSEM (MESA_VERBOSE & VERBOSE_DISASSEM)
@@ -478,6 +479,8 @@ emit_op(struct texenv_fragment_program *p,
GLuint nr = p->program->Base.NumInstructions++; GLuint nr = p->program->Base.NumInstructions++;
struct prog_instruction *inst = &p->program->Base.Instructions[nr]; struct prog_instruction *inst = &p->program->Base.Instructions[nr];
assert(nr < MAX_INSTRUCTIONS);
_mesa_init_instructions(inst, 1); _mesa_init_instructions(inst, 1);
inst->Opcode = op; inst->Opcode = op;