diff options
Diffstat (limited to 'source/blender/gpu/intern/gpu_shader_dependency.cc')
| -rw-r--r-- | source/blender/gpu/intern/gpu_shader_dependency.cc | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/source/blender/gpu/intern/gpu_shader_dependency.cc b/source/blender/gpu/intern/gpu_shader_dependency.cc deleted file mode 100644 index a866e9f1fda..00000000000 --- a/source/blender/gpu/intern/gpu_shader_dependency.cc +++ /dev/null @@ -1,197 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2021 Blender Foundation. - * All rights reserved. - */ - -/** \file - * \ingroup gpu - * - * Shader source dependency builder that make possible to support #include directive inside the - * shader files. - */ - -#include <iostream> - -#include "BLI_map.hh" -#include "BLI_set.hh" -#include "BLI_string_ref.hh" - -#include "gpu_shader_create_info.hh" -#include "gpu_shader_dependency_private.h" - -extern "C" { -#define SHADER_SOURCE(datatoc, filename) extern char datatoc[]; -#include "glsl_draw_source_list.h" -#include "glsl_gpu_source_list.h" -#undef SHADER_SOURCE -} - -namespace blender::gpu { - -using GPUSourceDictionnary = Map<StringRef, struct GPUSource *>; - -struct GPUSource { - StringRefNull filename; - StringRefNull source; - Vector<GPUSource *> dependencies; - bool dependencies_init = false; - shader::BuiltinBits builtins = (shader::BuiltinBits)0; - - GPUSource(const char *file, const char *datatoc) : filename(file), source(datatoc) - { - /* Scan for builtins. */ - /* FIXME: This can trigger false positive caused by disabled #if blocks. */ - /* TODO(fclem): Could be made faster by scanning once. */ - /* TODO(fclem): BARYCENTRIC_COORD. */ - if (source.find("gl_FragCoord", 0)) { - builtins |= shader::BuiltinBits::FRAG_COORD; - } - if (source.find("gl_FrontFacing", 0)) { - builtins |= shader::BuiltinBits::FRONT_FACING; - } - if (source.find("gl_GlobalInvocationID", 0)) { - builtins |= shader::BuiltinBits::GLOBAL_INVOCATION_ID; - } - if (source.find("gl_InstanceID", 0)) { - builtins |= shader::BuiltinBits::INSTANCE_ID; - } - if (source.find("gl_Layer", 0)) { - builtins |= shader::BuiltinBits::LAYER; - } - if (source.find("gl_LocalInvocationID", 0)) { - builtins |= shader::BuiltinBits::LOCAL_INVOCATION_ID; - } - if (source.find("gl_LocalInvocationIndex", 0)) { - builtins |= shader::BuiltinBits::LOCAL_INVOCATION_INDEX; - } - if (source.find("gl_NumWorkGroup", 0)) { - builtins |= shader::BuiltinBits::NUM_WORK_GROUP; - } - if (source.find("gl_PointCoord", 0)) { - builtins |= shader::BuiltinBits::POINT_COORD; - } - if (source.find("gl_PointSize", 0)) { - builtins |= shader::BuiltinBits::POINT_SIZE; - } - if (source.find("gl_PrimitiveID", 0)) { - builtins |= shader::BuiltinBits::PRIMITIVE_ID; - } - if (source.find("gl_VertexID", 0)) { - builtins |= shader::BuiltinBits::VERTEX_ID; - } - if (source.find("gl_WorkGroupID", 0)) { - builtins |= shader::BuiltinBits::WORK_GROUP_ID; - } - if (source.find("gl_WorkGroupSize", 0)) { - builtins |= shader::BuiltinBits::WORK_GROUP_SIZE; - } - }; - - void init_dependencies(const GPUSourceDictionnary &dict) - { - if (dependencies_init) { - return; - } - dependencies_init = true; - int64_t pos = 0; - while (true) { - pos = source.find("pragma BLENDER_REQUIRE(", pos); - if (pos == -1) { - return; - } - int64_t start = source.find("(", pos) + 1; - int64_t end = source.find(")", pos); - if (end == -1) { - /* TODO Use clog. */ - std::cout << "Error: " << filename << " : Malformed BLENDER_REQUIRE: Missing \")\"." - << std::endl; - return; - } - StringRef dependency_name = source.substr(start, end - start); - GPUSource *dependency_source = dict.lookup_default(dependency_name, nullptr); - if (dependency_source == nullptr) { - /* TODO Use clog. */ - std::cout << "Error: " << filename << " : Dependency not found \"" << dependency_name - << "\"." << std::endl; - return; - } - /* Recursive. */ - dependency_source->init_dependencies(dict); - - for (auto *dep : dependency_source->dependencies) { - dependencies.append_non_duplicates(dep); - } - dependencies.append_non_duplicates(dependency_source); - pos++; - }; - } - - /* Returns the final string with all inlcudes done. */ - void build(std::string &str, shader::BuiltinBits &out_builtins) - { - for (auto *dep : dependencies) { - out_builtins |= builtins; - str += dep->source; - } - str += source; - } -}; - -} // namespace blender::gpu - -using namespace blender::gpu; - -static GPUSourceDictionnary *g_sources = nullptr; - -void gpu_shader_dependency_init() -{ - g_sources = new GPUSourceDictionnary(); - -#define SHADER_SOURCE(datatoc, filename) \ - g_sources->add_new(filename, new GPUSource(filename, datatoc)); -#include "glsl_draw_source_list.h" -#include "glsl_gpu_source_list.h" -#undef SHADER_SOURCE - - for (auto *value : g_sources->values()) { - value->init_dependencies(*g_sources); - } -} - -void gpu_shader_dependency_exit() -{ - for (auto *value : g_sources->values()) { - delete value; - } - delete g_sources; -} - -char *gpu_shader_dependency_get_resolved_source(const char *shader_source_name, uint32_t *builtins) -{ - GPUSource *source = g_sources->lookup(shader_source_name); - std::string str; - shader::BuiltinBits out_builtins; - source->build(str, out_builtins); - *builtins |= (uint32_t)out_builtins; - return strdup(str.c_str()); -} - -char *gpu_shader_dependency_get_source(const char *shader_source_name) -{ - GPUSource *src = g_sources->lookup(shader_source_name); - return strdup(src->source.c_str()); -} |