diff options
Diffstat (limited to 'src/gallium/drivers/r600/r600_shader.c')
| -rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index 8cb3f8b2f4d..e97aa65141b 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -8646,14 +8646,15 @@ static void fc_set_mid(struct r600_shader_ctx *ctx, int fc_sp) static void fc_pushlevel(struct r600_shader_ctx *ctx, int type) { - ctx->bc->fc_sp++; + assert(ctx->bc->fc_sp < ARRAY_SIZE(ctx->bc->fc_stack)); ctx->bc->fc_stack[ctx->bc->fc_sp].type = type; ctx->bc->fc_stack[ctx->bc->fc_sp].start = ctx->bc->cf_last; + ctx->bc->fc_sp++; } static void fc_poplevel(struct r600_shader_ctx *ctx) { - struct r600_cf_stack_entry *sp = &ctx->bc->fc_stack[ctx->bc->fc_sp]; + struct r600_cf_stack_entry *sp = &ctx->bc->fc_stack[ctx->bc->fc_sp - 1]; free(sp->mid); sp->mid = NULL; sp->num_mid = 0; @@ -8749,24 +8750,24 @@ static int tgsi_else(struct r600_shader_ctx *ctx) r600_bytecode_add_cfinst(ctx->bc, CF_OP_ELSE); ctx->bc->cf_last->pop_count = 1; - fc_set_mid(ctx, ctx->bc->fc_sp); - ctx->bc->fc_stack[ctx->bc->fc_sp].start->cf_addr = ctx->bc->cf_last->id; + fc_set_mid(ctx, ctx->bc->fc_sp - 1); + ctx->bc->fc_stack[ctx->bc->fc_sp - 1].start->cf_addr = ctx->bc->cf_last->id; return 0; } static int tgsi_endif(struct r600_shader_ctx *ctx) { pops(ctx, 1); - if (ctx->bc->fc_stack[ctx->bc->fc_sp].type != FC_IF) { + if (ctx->bc->fc_stack[ctx->bc->fc_sp - 1].type != FC_IF) { R600_ERR("if/endif unbalanced in shader\n"); return -1; } - if (ctx->bc->fc_stack[ctx->bc->fc_sp].mid == NULL) { - ctx->bc->fc_stack[ctx->bc->fc_sp].start->cf_addr = ctx->bc->cf_last->id + 2; - ctx->bc->fc_stack[ctx->bc->fc_sp].start->pop_count = 1; + if (ctx->bc->fc_stack[ctx->bc->fc_sp - 1].mid == NULL) { + ctx->bc->fc_stack[ctx->bc->fc_sp - 1].start->cf_addr = ctx->bc->cf_last->id + 2; + ctx->bc->fc_stack[ctx->bc->fc_sp - 1].start->pop_count = 1; } else { - ctx->bc->fc_stack[ctx->bc->fc_sp].mid[0]->cf_addr = ctx->bc->cf_last->id + 2; + ctx->bc->fc_stack[ctx->bc->fc_sp - 1].mid[0]->cf_addr = ctx->bc->cf_last->id + 2; } fc_poplevel(ctx); @@ -8793,7 +8794,7 @@ static int tgsi_endloop(struct r600_shader_ctx *ctx) r600_bytecode_add_cfinst(ctx->bc, CF_OP_LOOP_END); - if (ctx->bc->fc_stack[ctx->bc->fc_sp].type != FC_LOOP) { + if (ctx->bc->fc_stack[ctx->bc->fc_sp - 1].type != FC_LOOP) { R600_ERR("loop/endloop in shader code are not paired.\n"); return -EINVAL; } @@ -8803,12 +8804,12 @@ static int tgsi_endloop(struct r600_shader_ctx *ctx) LOOP START point to CF after LOOP END BRK/CONT point to LOOP END CF */ - ctx->bc->cf_last->cf_addr = ctx->bc->fc_stack[ctx->bc->fc_sp].start->id + 2; + ctx->bc->cf_last->cf_addr = ctx->bc->fc_stack[ctx->bc->fc_sp - 1].start->id + 2; - ctx->bc->fc_stack[ctx->bc->fc_sp].start->cf_addr = ctx->bc->cf_last->id + 2; + ctx->bc->fc_stack[ctx->bc->fc_sp - 1].start->cf_addr = ctx->bc->cf_last->id + 2; - for (i = 0; i < ctx->bc->fc_stack[ctx->bc->fc_sp].num_mid; i++) { - ctx->bc->fc_stack[ctx->bc->fc_sp].mid[i]->cf_addr = ctx->bc->cf_last->id; + for (i = 0; i < ctx->bc->fc_stack[ctx->bc->fc_sp - 1].num_mid; i++) { + ctx->bc->fc_stack[ctx->bc->fc_sp - 1].mid[i]->cf_addr = ctx->bc->cf_last->id; } /* XXX add LOOPRET support */ fc_poplevel(ctx); @@ -8823,7 +8824,7 @@ static int tgsi_loop_breakc(struct r600_shader_ctx *ctx) for (fscp = ctx->bc->fc_sp; fscp > 0; fscp--) { - if (FC_LOOP == ctx->bc->fc_stack[fscp].type) + if (FC_LOOP == ctx->bc->fc_stack[fscp - 1].type) break; } if (fscp == 0) { @@ -8842,14 +8843,14 @@ static int tgsi_loop_breakc(struct r600_shader_ctx *ctx) r = r600_bytecode_add_cfinst(ctx->bc, CF_OP_LOOP_BREAK); if (r) return r; - fc_set_mid(ctx, fscp); + fc_set_mid(ctx, fscp - 1); return tgsi_endif(ctx); } else { r = emit_logic_pred(ctx, ALU_OP2_PRED_SETE_INT, CF_OP_ALU_BREAK); if (r) return r; - fc_set_mid(ctx, fscp); + fc_set_mid(ctx, fscp - 1); } return 0; @@ -8861,7 +8862,7 @@ static int tgsi_loop_brk_cont(struct r600_shader_ctx *ctx) for (fscp = ctx->bc->fc_sp; fscp > 0; fscp--) { - if (FC_LOOP == ctx->bc->fc_stack[fscp].type) + if (FC_LOOP == ctx->bc->fc_stack[fscp - 1].type) break; } @@ -8872,7 +8873,7 @@ static int tgsi_loop_brk_cont(struct r600_shader_ctx *ctx) r600_bytecode_add_cfinst(ctx->bc, ctx->inst_info->op); - fc_set_mid(ctx, fscp); + fc_set_mid(ctx, fscp - 1); return 0; } |