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5fe6b90c87
We're now emitting this error from a point where we have easy access to the name of the block that failed to match, so go ahead and include that in the error message, as we do for intrastage interface block mismatches. Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
113 lines
4.1 KiB
C++
113 lines
4.1 KiB
C++
/*
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* Copyright © 2013 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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/**
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* \file link_interface_blocks.cpp
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* Linker support for GLSL's interface blocks.
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*/
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#include "ir.h"
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#include "glsl_symbol_table.h"
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#include "linker.h"
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#include "main/macros.h"
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void
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validate_intrastage_interface_blocks(struct gl_shader_program *prog,
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const gl_shader **shader_list,
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unsigned num_shaders)
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{
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glsl_symbol_table interfaces;
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for (unsigned int i = 0; i < num_shaders; i++) {
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if (shader_list[i] == NULL)
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continue;
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foreach_list(node, shader_list[i]->ir) {
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ir_variable *var = ((ir_instruction *) node)->as_variable();
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if (!var)
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continue;
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const glsl_type *iface_type = var->interface_type;
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if (iface_type == NULL)
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continue;
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const glsl_type *old_iface_type =
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interfaces.get_interface(iface_type->name,
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(enum ir_variable_mode) var->mode);
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if (old_iface_type == NULL) {
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/* This is the first time we've seen the interface, so save
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* it into our symbol table.
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*/
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interfaces.add_interface(iface_type->name, iface_type,
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(enum ir_variable_mode) var->mode);
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} else if (old_iface_type != iface_type) {
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linker_error(prog, "definitions of interface block `%s' do not"
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" match\n", iface_type->name);
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return;
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}
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}
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}
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}
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void
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validate_interstage_interface_blocks(struct gl_shader_program *prog,
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const gl_shader *producer,
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const gl_shader *consumer)
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{
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glsl_symbol_table interfaces;
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/* Add non-output interfaces from the consumer to the symbol table. */
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foreach_list(node, consumer->ir) {
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ir_variable *var = ((ir_instruction *) node)->as_variable();
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if (!var || !var->interface_type || var->mode == ir_var_shader_out)
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continue;
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interfaces.add_interface(var->interface_type->name,
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var->interface_type,
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(enum ir_variable_mode) var->mode);
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}
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/* Verify that the producer's interfaces match. */
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foreach_list(node, producer->ir) {
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ir_variable *var = ((ir_instruction *) node)->as_variable();
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if (!var || !var->interface_type || var->mode == ir_var_shader_in)
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continue;
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enum ir_variable_mode consumer_mode =
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var->mode == ir_var_uniform ? ir_var_uniform : ir_var_shader_in;
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const glsl_type *expected_type =
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interfaces.get_interface(var->interface_type->name, consumer_mode);
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/* The consumer doesn't use this output block. Ignore it. */
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if (expected_type == NULL)
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continue;
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if (var->interface_type != expected_type) {
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linker_error(prog, "definitions of interface block `%s' do not "
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"match\n", var->interface_type->name);
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return;
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}
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}
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}
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