diff options
Diffstat (limited to 'src/mesa/main/texenvprogram.c')
| -rw-r--r-- | src/mesa/main/texenvprogram.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/src/mesa/main/texenvprogram.c b/src/mesa/main/texenvprogram.c index 9c84da985e0..a2b9657bbb7 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) @@ -460,8 +461,8 @@ static void emit_dst( struct prog_dst_register *dst, dst->File = ureg.file; dst->Index = ureg.idx; dst->WriteMask = mask; - dst->CondMask = 0; - dst->CondSwizzle = 0; + dst->CondMask = COND_TR; /* always pass cond test */ + dst->CondSwizzle = SWIZZLE_NOOP; } static struct prog_instruction * @@ -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; @@ -1239,7 +1242,7 @@ _mesa_UpdateTexEnvProgram( GLcontext *ctx ) /* If a conventional fragment program/shader isn't in effect... */ if (!ctx->FragmentProgram._Enabled && - !ctx->Shader.CurrentProgram) { + (!ctx->Shader.CurrentProgram || !ctx->Shader.CurrentProgram->FragmentProgram)) { make_state_key(ctx, &key); hash = hash_key(&key); |