diff options
| -rw-r--r-- | src/mesa/main/texenvprogram.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/mesa/main/texenvprogram.c b/src/mesa/main/texenvprogram.c index 9c84da985e..935eb44a32 100644 --- a/src/mesa/main/texenvprogram.c +++ b/src/mesa/main/texenvprogram.c @@ -35,10 +35,11 @@ #include "texenvprogram.h" /** - * According to Glean's texCombine test, no more than 21 instructions - * are needed. Allow a few extra just in case. + * This MAX is probably a bit generous, but that's OK. There can be + * up to four instructions per texture unit (TEX + 3 for combine), + * then there's fog and specular add. */ -#define MAX_INSTRUCTIONS ((MAX_TEXTURE_UNITS * 6) + 10) /* see bug 9829 */ +#define MAX_INSTRUCTIONS ((MAX_TEXTURE_UNITS * 4) + 12) #define DISASSEM (MESA_VERBOSE & VERBOSE_DISASSEM) @@ -476,7 +477,9 @@ emit_op(struct texenv_fragment_program *p, { GLuint nr = p->program->Base.NumInstructions++; struct prog_instruction *inst = &p->program->Base.Instructions[nr]; - + + assert(nr < MAX_INSTRUCTIONS); + _mesa_init_instructions(inst, 1); inst->Opcode = op; |