diff options
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_limits.h | 53 | ||||
| -rw-r--r-- | src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c | 29 |
2 files changed, 69 insertions, 13 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_limits.h b/src/gallium/auxiliary/gallivm/lp_bld_limits.h new file mode 100644 index 00000000000..e095a0abe3a --- /dev/null +++ b/src/gallium/auxiliary/gallivm/lp_bld_limits.h @@ -0,0 +1,53 @@ +/************************************************************************** + * + * Copyright 2010 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + **************************************************************************/ + + +#ifndef LP_BLD_LIMITS_H_ +#define LP_BLD_LIMITS_H_ + +/* + * TGSI translation limits. + * + * Some are slightly above SM 3.0 requirements to give some wiggle room to + * the state trackers. + */ + +#define LP_MAX_TGSI_TEMPS 256 + +#define LP_MAX_TGSI_ADDRS 16 + +#define LP_MAX_TGSI_IMMEDIATES 256 + +/** + * Maximum control flow nesting + * + * SM3.0 requires 24 + */ +#define LP_MAX_TGSI_NESTING 32 + + +#endif /* LP_BLD_LIMITS_H_ */ diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c index d9983862375..e699e44a24e 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c +++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c @@ -54,13 +54,10 @@ #include "lp_bld_swizzle.h" #include "lp_bld_flow.h" #include "lp_bld_tgsi.h" +#include "lp_bld_limits.h" #include "lp_bld_debug.h" -#define LP_MAX_TEMPS 256 -#define LP_MAX_IMMEDIATES 256 - - #define FOR_EACH_CHANNEL( CHAN )\ for (CHAN = 0; CHAN < NUM_CHANNELS; CHAN++) @@ -84,7 +81,6 @@ #define QUAD_BOTTOM_LEFT 2 #define QUAD_BOTTOM_RIGHT 3 -#define LP_TGSI_MAX_NESTING 16 struct lp_exec_mask { struct lp_build_context *bld; @@ -93,19 +89,19 @@ struct lp_exec_mask { LLVMTypeRef int_vec_type; - LLVMValueRef cond_stack[LP_TGSI_MAX_NESTING]; + LLVMValueRef cond_stack[LP_MAX_TGSI_NESTING]; int cond_stack_size; LLVMValueRef cond_mask; - LLVMValueRef break_stack[LP_TGSI_MAX_NESTING]; + LLVMValueRef break_stack[LP_MAX_TGSI_NESTING]; int break_stack_size; LLVMValueRef break_mask; - LLVMValueRef cont_stack[LP_TGSI_MAX_NESTING]; + LLVMValueRef cont_stack[LP_MAX_TGSI_NESTING]; int cont_stack_size; LLVMValueRef cont_mask; - LLVMBasicBlockRef loop_stack[LP_TGSI_MAX_NESTING]; + LLVMBasicBlockRef loop_stack[LP_MAX_TGSI_NESTING]; int loop_stack_size; LLVMBasicBlockRef loop_block; @@ -124,9 +120,9 @@ struct lp_build_tgsi_soa_context struct lp_build_sampler_soa *sampler; - LLVMValueRef immediates[LP_MAX_IMMEDIATES][NUM_CHANNELS]; - LLVMValueRef temps[LP_MAX_TEMPS][NUM_CHANNELS]; - LLVMValueRef addr[LP_MAX_TEMPS][NUM_CHANNELS]; + LLVMValueRef immediates[LP_MAX_TGSI_IMMEDIATES][NUM_CHANNELS]; + LLVMValueRef temps[LP_MAX_TGSI_TEMPS][NUM_CHANNELS]; + LLVMValueRef addr[LP_MAX_TGSI_ADDRS][NUM_CHANNELS]; /* we allocate an array of temps if we have indirect * addressing and then the temps above is unused */ @@ -198,6 +194,7 @@ static void lp_exec_mask_update(struct lp_exec_mask *mask) static void lp_exec_mask_cond_push(struct lp_exec_mask *mask, LLVMValueRef val) { + assert(mask->cond_stack_size < LP_MAX_TGSI_NESTING); mask->cond_stack[mask->cond_stack_size++] = mask->cond_mask; mask->cond_mask = LLVMBuildBitCast(mask->bld->builder, val, mask->int_vec_type, ""); @@ -239,6 +236,10 @@ static void lp_exec_bgnloop(struct lp_exec_mask *mask) if (mask->cond_stack_size == 0) mask->cond_mask = LLVMConstAllOnes(mask->int_vec_type); + assert(mask->break_stack_size < LP_MAX_TGSI_NESTING); + assert(mask->cont_stack_size < LP_MAX_TGSI_NESTING); + assert(mask->break_stack_size < LP_MAX_TGSI_NESTING); + mask->break_stack[mask->break_stack_size++] = mask->break_mask; mask->cont_stack[mask->cont_stack_size++] = mask->cont_mask; mask->loop_stack[mask->loop_stack_size++] = mask->loop_block; @@ -750,6 +751,7 @@ emit_declaration( for (idx = first; idx <= last; ++idx) { switch (decl->Declaration.File) { case TGSI_FILE_TEMPORARY: + assert(idx < LP_MAX_TGSI_TEMPS); if (bld->has_indirect_addressing) { LLVMValueRef val = LLVMConstInt(LLVMInt32Type(), last*4 + 4, 0); @@ -769,6 +771,7 @@ emit_declaration( break; case TGSI_FILE_ADDRESS: + assert(idx < LP_MAX_TGSI_ADDRS); for (i = 0; i < NUM_CHANNELS; i++) bld->addr[idx][i] = lp_build_alloca(bld->base.builder, vec_type, ""); @@ -1783,7 +1786,7 @@ lp_build_tgsi_soa(LLVMBuilderRef builder, { const uint size = parse.FullToken.FullImmediate.Immediate.NrTokens - 1; assert(size <= 4); - assert(num_immediates < LP_MAX_IMMEDIATES); + assert(num_immediates < LP_MAX_TGSI_IMMEDIATES); for( i = 0; i < size; ++i ) bld.immediates[num_immediates][i] = lp_build_const_vec(type, parse.FullToken.FullImmediate.u[i].Float); |