2011-10-25 03:37:11 +01:00
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/* -*- c++ -*- */
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2010-07-14 01:36:13 +01:00
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/*
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* Copyright © 2010 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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#pragma once
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#ifndef GLSL_LINKER_H
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#define GLSL_LINKER_H
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extern bool
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link_function_calls(gl_shader_program *prog, gl_shader *main,
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gl_shader **shader_list, unsigned num_shaders);
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2011-10-12 00:15:47 +01:00
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extern void
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link_invalidate_variable_locations(gl_shader *sh, enum ir_variable_mode mode,
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int generic_base);
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2011-10-18 19:54:48 +01:00
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extern void
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link_assign_uniform_locations(struct gl_shader_program *prog);
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2012-04-06 22:06:13 +01:00
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extern void
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link_set_uniform_initializers(struct gl_shader_program *prog);
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2012-04-27 21:52:56 +01:00
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extern int
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link_cross_validate_uniform_block(void *mem_ctx,
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struct gl_uniform_block **linked_blocks,
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unsigned int *num_linked_blocks,
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struct gl_uniform_block *new_block);
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2012-05-01 23:10:14 +01:00
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void
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link_assign_uniform_block_offsets(struct gl_shader *shader);
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2012-12-13 10:25:34 +00:00
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extern bool
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link_uniform_blocks_are_compatible(const gl_uniform_block *a,
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const gl_uniform_block *b);
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2011-10-25 03:37:11 +01:00
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/**
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* Class for processing all of the leaf fields of an uniform
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*
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* Leaves are, roughly speaking, the parts of the uniform that the application
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* could query with \c glGetUniformLocation (or that could be returned by
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* \c glGetActiveUniforms).
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*
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* Classes my derive from this class to implement specific functionality.
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* This class only provides the mechanism to iterate over the leaves. Derived
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* classes must implement \c ::visit_field and may override \c ::process.
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*/
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class uniform_field_visitor {
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public:
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/**
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* Begin processing a uniform
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*
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* Classes that overload this function should call \c ::process from the
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* base class to start the recursive processing of the uniform.
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*
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* \param var The uniform variable that is to be processed
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*
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* Calls \c ::visit_field for each leaf of the uniform.
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2013-01-22 03:32:07 +00:00
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*
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* \warning
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* This entry should only be used with uniform blocks in cases where the
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* row / column ordering of matrices in the block does not matter. For
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* example, enumerating the names of members of the block, but not for
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* determining the offsets of members.
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2011-10-25 03:37:11 +01:00
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*/
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void process(ir_variable *var);
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protected:
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/**
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* Method invoked for each leaf of the uniform
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*
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* \param type Type of the field.
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* \param name Fully qualified name of the field.
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2013-01-22 03:41:13 +00:00
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* \param row_major For a matrix type, is it stored row-major.
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2011-10-25 03:37:11 +01:00
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*/
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2013-01-22 03:41:13 +00:00
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virtual void visit_field(const glsl_type *type, const char *name,
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bool row_major) = 0;
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2011-10-25 03:37:11 +01:00
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2013-01-22 03:49:39 +00:00
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/**
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* Visit a record before visiting its fields
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*
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* For structures-of-structures or interfaces-of-structures, this visits
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* the inner structure before visiting its fields.
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*
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* The default implementation does nothing.
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*/
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virtual void visit_field(const glsl_struct_field *field);
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2011-10-25 03:37:11 +01:00
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private:
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/**
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* \param name_length Length of the current name \b not including the
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* terminating \c NUL character.
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*/
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2013-01-22 03:32:07 +00:00
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void recursion(const glsl_type *t, char **name, size_t name_length,
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bool row_major);
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2011-10-25 03:37:11 +01:00
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};
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2012-12-17 22:20:35 +00:00
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void
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linker_error(gl_shader_program *prog, const char *fmt, ...);
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void
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linker_warning(gl_shader_program *prog, const char *fmt, ...);
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unsigned
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count_attribute_slots(const glsl_type *t);
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2010-07-14 01:36:13 +01:00
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#endif /* GLSL_LINKER_H */
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