diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm_glsl.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c index bc82c0100de..ac7de6f95b5 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c +++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c @@ -120,8 +120,14 @@ get_reg(struct brw_wm_compile *c, int file, int index, int component, break; case PROGRAM_UNDEFINED: return brw_null_reg(); - default: + case PROGRAM_TEMPORARY: + case PROGRAM_INPUT: + case PROGRAM_OUTPUT: + case PROGRAM_PAYLOAD: break; + default: + _mesa_problem(NULL, "Unexpected file in get_reg()"); + return brw_null_reg(); } /* see if we've already allocated a HW register for this Mesa register */ @@ -140,6 +146,19 @@ get_reg(struct brw_wm_compile *c, int file, int index, int component, c->reg_index++; } + if (c->reg_index >= BRW_WM_MAX_GRF - 12) { + /* ran out of temporary registers! */ +#if 1 + /* This is a big hack for now. + * Return bad register index, but don't just crash hange the GPU. + */ + _mesa_fprintf(stderr, "out of regs %d\n", c->reg_index); + c->reg_index = BRW_WM_MAX_GRF - 13; +#else + return brw_null_reg(); +#endif + } + if (neg & (1 << component)) { reg = negate(reg); } @@ -2573,6 +2592,11 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c) brw_set_predicate_control(p, BRW_PREDICATE_NONE); } post_wm_emit(c); + + if (c->reg_index >= BRW_WM_MAX_GRF) { + _mesa_problem(NULL, "Ran out of registers in brw_wm_emit_glsl()"); + /* XXX we need to do some proper error recovery here */ + } } |