| /* -*- c++ -*- */ |
| /* |
| * Copyright © 2010 Intel Corporation |
| * |
| * 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, sublicense, |
| * 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 above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * 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 NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS 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. |
| */ |
| |
| #pragma once |
| #ifndef GLSL_LINKER_H |
| #define GLSL_LINKER_H |
| |
| extern bool |
| link_function_calls(gl_shader_program *prog, gl_shader *main, |
| gl_shader **shader_list, unsigned num_shaders); |
| |
| extern void |
| link_invalidate_variable_locations(gl_shader *sh, enum ir_variable_mode mode, |
| int generic_base); |
| |
| extern void |
| link_assign_uniform_locations(struct gl_shader_program *prog); |
| |
| extern void |
| link_set_uniform_initializers(struct gl_shader_program *prog); |
| |
| extern int |
| link_cross_validate_uniform_block(void *mem_ctx, |
| struct gl_uniform_block **linked_blocks, |
| unsigned int *num_linked_blocks, |
| struct gl_uniform_block *new_block); |
| |
| void |
| link_assign_uniform_block_offsets(struct gl_shader *shader); |
| |
| /** |
| * Class for processing all of the leaf fields of an uniform |
| * |
| * Leaves are, roughly speaking, the parts of the uniform that the application |
| * could query with \c glGetUniformLocation (or that could be returned by |
| * \c glGetActiveUniforms). |
| * |
| * Classes my derive from this class to implement specific functionality. |
| * This class only provides the mechanism to iterate over the leaves. Derived |
| * classes must implement \c ::visit_field and may override \c ::process. |
| */ |
| class uniform_field_visitor { |
| public: |
| /** |
| * Begin processing a uniform |
| * |
| * Classes that overload this function should call \c ::process from the |
| * base class to start the recursive processing of the uniform. |
| * |
| * \param var The uniform variable that is to be processed |
| * |
| * Calls \c ::visit_field for each leaf of the uniform. |
| */ |
| void process(ir_variable *var); |
| |
| protected: |
| /** |
| * Method invoked for each leaf of the uniform |
| * |
| * \param type Type of the field. |
| * \param name Fully qualified name of the field. |
| */ |
| virtual void visit_field(const glsl_type *type, const char *name) = 0; |
| |
| private: |
| /** |
| * \param name_length Length of the current name \b not including the |
| * terminating \c NUL character. |
| */ |
| void recursion(const glsl_type *t, char **name, size_t name_length); |
| }; |
| |
| #endif /* GLSL_LINKER_H */ |