diff options
Diffstat (limited to 'drivers/gles3/shader_gles3.cpp')
| -rw-r--r-- | drivers/gles3/shader_gles3.cpp | 777 |
1 files changed, 0 insertions, 777 deletions
diff --git a/drivers/gles3/shader_gles3.cpp b/drivers/gles3/shader_gles3.cpp deleted file mode 100644 index ac911993be..0000000000 --- a/drivers/gles3/shader_gles3.cpp +++ /dev/null @@ -1,777 +0,0 @@ -/*************************************************************************/ -/* shader_gles3.cpp */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */ -/* */ -/* 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 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. */ -/*************************************************************************/ - -#include "shader_gles3.h" - -#include "core/print_string.h" - -//#define DEBUG_OPENGL - -#ifdef DEBUG_OPENGL - -#define DEBUG_TEST_ERROR(m_section) \ - { \ - uint32_t err = glGetError(); \ - if (err) { \ - print_line("OpenGL Error #" + itos(err) + " at: " + m_section); \ - } \ - } -#else - -#define DEBUG_TEST_ERROR(m_section) - -#endif - -ShaderGLES3 *ShaderGLES3::active = NULL; - -//#define DEBUG_SHADER - -#ifdef DEBUG_SHADER - -#define DEBUG_PRINT(m_text) print_line(m_text); - -#else - -#define DEBUG_PRINT(m_text) - -#endif - -void ShaderGLES3::bind_uniforms() { - - if (!uniforms_dirty) { - return; - }; - - // upload default uniforms - const Map<uint32_t, Variant>::Element *E = uniform_defaults.front(); - - while (E) { - int idx = E->key(); - int location = version->uniform_location[idx]; - - if (location < 0) { - E = E->next(); - continue; - } - - const Variant &v = E->value(); - _set_uniform_variant(location, v); - //print_line("uniform "+itos(location)+" value "+v+ " type "+Variant::get_type_name(v.get_type())); - E = E->next(); - }; - - const Map<uint32_t, CameraMatrix>::Element *C = uniform_cameras.front(); - while (C) { - - int location = version->uniform_location[C->key()]; - if (location < 0) { - C = C->next(); - continue; - } - - glUniformMatrix4fv(location, 1, false, &(C->get().matrix[0][0])); - C = C->next(); - }; - - uniforms_dirty = false; -} - -GLint ShaderGLES3::get_uniform_location(int p_index) const { - - ERR_FAIL_COND_V(!version, -1); - - return version->uniform_location[p_index]; -} - -bool ShaderGLES3::bind() { - - if (active != this || !version || new_conditional_version.key != conditional_version.key) { - conditional_version = new_conditional_version; - version = get_current_version(); - } else { - - return false; - } - - ERR_FAIL_COND_V(!version, false); - - if (!version->ok) { //broken, unable to bind (do not throw error, you saw it before already when it failed compilation). - glUseProgram(0); - return false; - } - - glUseProgram(version->id); - - DEBUG_TEST_ERROR("Use Program"); - - active = this; - uniforms_dirty = true; - return true; -} - -void ShaderGLES3::unbind() { - - version = NULL; - glUseProgram(0); - uniforms_dirty = true; - active = NULL; -} - -static void _display_error_with_code(const String &p_error, const Vector<const char *> &p_code) { - - int line = 1; - String total_code; - - for (int i = 0; i < p_code.size(); i++) { - total_code += String(p_code[i]); - } - - Vector<String> lines = String(total_code).split("\n"); - - for (int j = 0; j < lines.size(); j++) { - - print_line(itos(line) + ": " + lines[j]); - line++; - } - - ERR_PRINTS(p_error); -} - -ShaderGLES3::Version *ShaderGLES3::get_current_version() { - - Version *_v = version_map.getptr(conditional_version); - - if (_v) { - - if (conditional_version.code_version != 0) { - CustomCode *cc = custom_code_map.getptr(conditional_version.code_version); - ERR_FAIL_COND_V(!cc, _v); - if (cc->version == _v->code_version) - return _v; - } else { - return _v; - } - } - - if (!_v) - version_map[conditional_version] = Version(); - - Version &v = version_map[conditional_version]; - - if (!_v) { - - v.uniform_location = memnew_arr(GLint, uniform_count); - - } else { - if (v.ok) { - //bye bye shaders - glDeleteShader(v.vert_id); - glDeleteShader(v.frag_id); - glDeleteProgram(v.id); - v.id = 0; - } - } - - v.ok = false; - /* SETUP CONDITIONALS */ - - Vector<const char *> strings; -#ifdef GLES_OVER_GL - strings.push_back("#version 330\n"); - strings.push_back("#define GLES_OVER_GL\n"); -#else - strings.push_back("#version 300 es\n"); -#endif - - for (int i = 0; i < custom_defines.size(); i++) { - - strings.push_back(custom_defines[i].get_data()); - } - - for (int j = 0; j < conditional_count; j++) { - - bool enable = ((1 << j) & conditional_version.version); - strings.push_back(enable ? conditional_defines[j] : ""); - - if (enable) { - DEBUG_PRINT(conditional_defines[j]); - } - } - - //keep them around during the function - CharString code_string; - CharString code_string2; - CharString code_globals; - CharString material_string; - - CustomCode *cc = NULL; - - if (conditional_version.code_version > 0) { - //do custom code related stuff - - ERR_FAIL_COND_V(!custom_code_map.has(conditional_version.code_version), NULL); - cc = &custom_code_map[conditional_version.code_version]; - v.code_version = cc->version; - } - - /* CREATE PROGRAM */ - - v.id = glCreateProgram(); - - ERR_FAIL_COND_V(v.id == 0, NULL); - - /* VERTEX SHADER */ - - if (cc) { - for (int i = 0; i < cc->custom_defines.size(); i++) { - - strings.push_back(cc->custom_defines[i].get_data()); - DEBUG_PRINT("CD #" + itos(i) + ": " + String(cc->custom_defines[i])); - } - } - - int strings_base_size = strings.size(); - - //vertex precision is high - strings.push_back("precision highp float;\n"); - strings.push_back("precision highp int;\n"); -#ifndef GLES_OVER_GL - strings.push_back("precision highp sampler2D;\n"); - strings.push_back("precision highp samplerCube;\n"); - strings.push_back("precision highp sampler2DArray;\n"); -#endif - - strings.push_back(vertex_code0.get_data()); - - if (cc) { - material_string = cc->uniforms.ascii(); - strings.push_back(material_string.get_data()); - } - - strings.push_back(vertex_code1.get_data()); - - if (cc) { - code_globals = cc->vertex_globals.ascii(); - strings.push_back(code_globals.get_data()); - } - - strings.push_back(vertex_code2.get_data()); - - if (cc) { - code_string = cc->vertex.ascii(); - strings.push_back(code_string.get_data()); - } - - strings.push_back(vertex_code3.get_data()); -#ifdef DEBUG_SHADER - - DEBUG_PRINT("\nVertex Code:\n\n" + String(code_string.get_data())); - for (int i = 0; i < strings.size(); i++) { - - //print_line("vert strings "+itos(i)+":"+String(strings[i])); - } -#endif - - v.vert_id = glCreateShader(GL_VERTEX_SHADER); - glShaderSource(v.vert_id, strings.size(), &strings[0], NULL); - glCompileShader(v.vert_id); - - GLint status; - - glGetShaderiv(v.vert_id, GL_COMPILE_STATUS, &status); - if (status == GL_FALSE) { - // error compiling - GLsizei iloglen; - glGetShaderiv(v.vert_id, GL_INFO_LOG_LENGTH, &iloglen); - - if (iloglen < 0) { - - glDeleteShader(v.vert_id); - glDeleteProgram(v.id); - v.id = 0; - - ERR_PRINT("Vertex shader compilation failed with empty log"); - } else { - - if (iloglen == 0) { - - iloglen = 4096; //buggy driver (Adreno 220+....) - } - - char *ilogmem = (char *)memalloc(iloglen + 1); - ilogmem[iloglen] = 0; - glGetShaderInfoLog(v.vert_id, iloglen, &iloglen, ilogmem); - - String err_string = get_shader_name() + ": Vertex Program Compilation Failed:\n"; - - err_string += ilogmem; - _display_error_with_code(err_string, strings); - memfree(ilogmem); - glDeleteShader(v.vert_id); - glDeleteProgram(v.id); - v.id = 0; - } - - ERR_FAIL_V(NULL); - } - - //_display_error_with_code("pepo", strings); - - /* FRAGMENT SHADER */ - - strings.resize(strings_base_size); - //fragment precision is medium - strings.push_back("precision highp float;\n"); - strings.push_back("precision highp int;\n"); -#ifndef GLES_OVER_GL - strings.push_back("precision highp sampler2D;\n"); - strings.push_back("precision highp samplerCube;\n"); - strings.push_back("precision highp sampler2DArray;\n"); -#endif - - strings.push_back(fragment_code0.get_data()); - if (cc) { - material_string = cc->uniforms.ascii(); - strings.push_back(material_string.get_data()); - } - - strings.push_back(fragment_code1.get_data()); - - if (cc) { - code_globals = cc->fragment_globals.ascii(); - strings.push_back(code_globals.get_data()); - } - - strings.push_back(fragment_code2.get_data()); - - if (cc) { - code_string = cc->light.ascii(); - strings.push_back(code_string.get_data()); - } - - strings.push_back(fragment_code3.get_data()); - - if (cc) { - code_string2 = cc->fragment.ascii(); - strings.push_back(code_string2.get_data()); - } - - strings.push_back(fragment_code4.get_data()); - -#ifdef DEBUG_SHADER - DEBUG_PRINT("\nFragment Globals:\n\n" + String(code_globals.get_data())); - DEBUG_PRINT("\nFragment Code:\n\n" + String(code_string2.get_data())); - for (int i = 0; i < strings.size(); i++) { - - //print_line("frag strings "+itos(i)+":"+String(strings[i])); - } -#endif - - v.frag_id = glCreateShader(GL_FRAGMENT_SHADER); - glShaderSource(v.frag_id, strings.size(), &strings[0], NULL); - glCompileShader(v.frag_id); - - glGetShaderiv(v.frag_id, GL_COMPILE_STATUS, &status); - if (status == GL_FALSE) { - // error compiling - GLsizei iloglen; - glGetShaderiv(v.frag_id, GL_INFO_LOG_LENGTH, &iloglen); - - if (iloglen < 0) { - - glDeleteShader(v.frag_id); - glDeleteShader(v.vert_id); - glDeleteProgram(v.id); - v.id = 0; - ERR_PRINT("Fragment shader compilation failed with empty log"); - } else { - - if (iloglen == 0) { - - iloglen = 4096; //buggy driver (Adreno 220+....) - } - - char *ilogmem = (char *)memalloc(iloglen + 1); - ilogmem[iloglen] = 0; - glGetShaderInfoLog(v.frag_id, iloglen, &iloglen, ilogmem); - - String err_string = get_shader_name() + ": Fragment Program Compilation Failed:\n"; - - err_string += ilogmem; - _display_error_with_code(err_string, strings); - ERR_PRINT(err_string.ascii().get_data()); - memfree(ilogmem); - glDeleteShader(v.frag_id); - glDeleteShader(v.vert_id); - glDeleteProgram(v.id); - v.id = 0; - } - - ERR_FAIL_V(NULL); - } - - glAttachShader(v.id, v.frag_id); - glAttachShader(v.id, v.vert_id); - - // bind attributes before linking - for (int i = 0; i < attribute_pair_count; i++) { - - glBindAttribLocation(v.id, attribute_pairs[i].index, attribute_pairs[i].name); - } - - //if feedback exists, set it up - - if (feedback_count) { - Vector<const char *> feedback; - for (int i = 0; i < feedback_count; i++) { - - if (feedbacks[i].conditional == -1 || (1 << feedbacks[i].conditional) & conditional_version.version) { - //conditional for this feedback is enabled - feedback.push_back(feedbacks[i].name); - } - } - - if (feedback.size()) { - glTransformFeedbackVaryings(v.id, feedback.size(), feedback.ptr(), GL_INTERLEAVED_ATTRIBS); - } - } - - glLinkProgram(v.id); - - glGetProgramiv(v.id, GL_LINK_STATUS, &status); - - if (status == GL_FALSE) { - // error linking - GLsizei iloglen; - glGetProgramiv(v.id, GL_INFO_LOG_LENGTH, &iloglen); - - if (iloglen < 0) { - - glDeleteShader(v.frag_id); - glDeleteShader(v.vert_id); - glDeleteProgram(v.id); - v.id = 0; - ERR_FAIL_COND_V(iloglen < 0, NULL); - } - - if (iloglen == 0) { - - iloglen = 4096; //buggy driver (Adreno 220+....) - } - - char *ilogmem = (char *)Memory::alloc_static(iloglen + 1); - ilogmem[iloglen] = 0; - glGetProgramInfoLog(v.id, iloglen, &iloglen, ilogmem); - - String err_string = get_shader_name() + ": Program LINK FAILED:\n"; - - err_string += ilogmem; - _display_error_with_code(err_string, strings); - ERR_PRINT(err_string.ascii().get_data()); - Memory::free_static(ilogmem); - glDeleteShader(v.frag_id); - glDeleteShader(v.vert_id); - glDeleteProgram(v.id); - v.id = 0; - - ERR_FAIL_V(NULL); - } - - /* UNIFORMS */ - - glUseProgram(v.id); - - //print_line("uniforms: "); - for (int j = 0; j < uniform_count; j++) { - - v.uniform_location[j] = glGetUniformLocation(v.id, uniform_names[j]); - //print_line("uniform "+String(uniform_names[j])+" location "+itos(v.uniform_location[j])); - } - - // set texture uniforms - for (int i = 0; i < texunit_pair_count; i++) { - - GLint loc = glGetUniformLocation(v.id, texunit_pairs[i].name); - if (loc >= 0) { - if (texunit_pairs[i].index < 0) { - glUniform1i(loc, max_image_units + texunit_pairs[i].index); //negative, goes down - } else { - - glUniform1i(loc, texunit_pairs[i].index); - } - } - } - - // assign uniform block bind points - for (int i = 0; i < ubo_count; i++) { - - GLint loc = glGetUniformBlockIndex(v.id, ubo_pairs[i].name); - if (loc >= 0) - glUniformBlockBinding(v.id, loc, ubo_pairs[i].index); - } - - if (cc) { - - v.texture_uniform_locations.resize(cc->texture_uniforms.size()); - for (int i = 0; i < cc->texture_uniforms.size(); i++) { - - v.texture_uniform_locations.write[i] = glGetUniformLocation(v.id, String(cc->texture_uniforms[i]).ascii().get_data()); - glUniform1i(v.texture_uniform_locations[i], i + base_material_tex_index); - } - } - - glUseProgram(0); - - v.ok = true; - if (cc) { - cc->versions.insert(conditional_version.version); - } - - return &v; -} - -GLint ShaderGLES3::get_uniform_location(const String &p_name) const { - - ERR_FAIL_COND_V(!version, -1); - return glGetUniformLocation(version->id, p_name.ascii().get_data()); -} - -void ShaderGLES3::setup(const char **p_conditional_defines, int p_conditional_count, const char **p_uniform_names, int p_uniform_count, const AttributePair *p_attribute_pairs, int p_attribute_count, const TexUnitPair *p_texunit_pairs, int p_texunit_pair_count, const UBOPair *p_ubo_pairs, int p_ubo_pair_count, const Feedback *p_feedback, int p_feedback_count, const char *p_vertex_code, const char *p_fragment_code, int p_vertex_code_start, int p_fragment_code_start) { - - ERR_FAIL_COND(version); - conditional_version.key = 0; - new_conditional_version.key = 0; - uniform_count = p_uniform_count; - conditional_count = p_conditional_count; - conditional_defines = p_conditional_defines; - uniform_names = p_uniform_names; - vertex_code = p_vertex_code; - fragment_code = p_fragment_code; - texunit_pairs = p_texunit_pairs; - texunit_pair_count = p_texunit_pair_count; - vertex_code_start = p_vertex_code_start; - fragment_code_start = p_fragment_code_start; - attribute_pairs = p_attribute_pairs; - attribute_pair_count = p_attribute_count; - ubo_pairs = p_ubo_pairs; - ubo_count = p_ubo_pair_count; - feedbacks = p_feedback; - feedback_count = p_feedback_count; - - //split vertex and shader code (thank you, shader compiler programmers from you know what company). - { - String globals_tag = "\nVERTEX_SHADER_GLOBALS"; - String material_tag = "\nMATERIAL_UNIFORMS"; - String code_tag = "\nVERTEX_SHADER_CODE"; - String code = vertex_code; - int cpos = code.find(material_tag); - if (cpos == -1) { - vertex_code0 = code.ascii(); - } else { - vertex_code0 = code.substr(0, cpos).ascii(); - code = code.substr(cpos + material_tag.length(), code.length()); - - cpos = code.find(globals_tag); - - if (cpos == -1) { - vertex_code1 = code.ascii(); - } else { - - vertex_code1 = code.substr(0, cpos).ascii(); - String code2 = code.substr(cpos + globals_tag.length(), code.length()); - - cpos = code2.find(code_tag); - if (cpos == -1) { - vertex_code2 = code2.ascii(); - } else { - - vertex_code2 = code2.substr(0, cpos).ascii(); - vertex_code3 = code2.substr(cpos + code_tag.length(), code2.length()).ascii(); - } - } - } - } - - { - String globals_tag = "\nFRAGMENT_SHADER_GLOBALS"; - String material_tag = "\nMATERIAL_UNIFORMS"; - String code_tag = "\nFRAGMENT_SHADER_CODE"; - String light_code_tag = "\nLIGHT_SHADER_CODE"; - String code = fragment_code; - int cpos = code.find(material_tag); - if (cpos == -1) { - fragment_code0 = code.ascii(); - } else { - fragment_code0 = code.substr(0, cpos).ascii(); - //print_line("CODE0:\n"+String(fragment_code0.get_data())); - code = code.substr(cpos + material_tag.length(), code.length()); - cpos = code.find(globals_tag); - - if (cpos == -1) { - fragment_code1 = code.ascii(); - } else { - - fragment_code1 = code.substr(0, cpos).ascii(); - //print_line("CODE1:\n"+String(fragment_code1.get_data())); - - String code2 = code.substr(cpos + globals_tag.length(), code.length()); - cpos = code2.find(light_code_tag); - - if (cpos == -1) { - fragment_code2 = code2.ascii(); - } else { - - fragment_code2 = code2.substr(0, cpos).ascii(); - //print_line("CODE2:\n"+String(fragment_code2.get_data())); - - String code3 = code2.substr(cpos + light_code_tag.length(), code2.length()); - - cpos = code3.find(code_tag); - if (cpos == -1) { - fragment_code3 = code3.ascii(); - } else { - - fragment_code3 = code3.substr(0, cpos).ascii(); - //print_line("CODE3:\n"+String(fragment_code3.get_data())); - fragment_code4 = code3.substr(cpos + code_tag.length(), code3.length()).ascii(); - //print_line("CODE4:\n"+String(fragment_code4.get_data())); - } - } - } - } - } - - glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &max_image_units); -} - -void ShaderGLES3::finish() { - - const VersionKey *V = NULL; - while ((V = version_map.next(V))) { - - Version &v = version_map[*V]; - glDeleteShader(v.vert_id); - glDeleteShader(v.frag_id); - glDeleteProgram(v.id); - memdelete_arr(v.uniform_location); - } -} - -void ShaderGLES3::clear_caches() { - - const VersionKey *V = NULL; - while ((V = version_map.next(V))) { - - Version &v = version_map[*V]; - glDeleteShader(v.vert_id); - glDeleteShader(v.frag_id); - glDeleteProgram(v.id); - memdelete_arr(v.uniform_location); - } - - version_map.clear(); - - custom_code_map.clear(); - version = NULL; - last_custom_code = 1; - uniforms_dirty = true; -} - -uint32_t ShaderGLES3::create_custom_shader() { - - custom_code_map[last_custom_code] = CustomCode(); - custom_code_map[last_custom_code].version = 1; - return last_custom_code++; -} - -void ShaderGLES3::set_custom_shader_code(uint32_t p_code_id, const String &p_vertex, const String &p_vertex_globals, const String &p_fragment, const String &p_light, const String &p_fragment_globals, const String &p_uniforms, const Vector<StringName> &p_texture_uniforms, const Vector<CharString> &p_custom_defines) { - - ERR_FAIL_COND(!custom_code_map.has(p_code_id)); - CustomCode *cc = &custom_code_map[p_code_id]; - - cc->vertex = p_vertex; - cc->vertex_globals = p_vertex_globals; - cc->fragment = p_fragment; - cc->fragment_globals = p_fragment_globals; - cc->light = p_light; - cc->texture_uniforms = p_texture_uniforms; - cc->uniforms = p_uniforms; - cc->custom_defines = p_custom_defines; - cc->version++; -} - -void ShaderGLES3::set_custom_shader(uint32_t p_code_id) { - - new_conditional_version.code_version = p_code_id; -} - -void ShaderGLES3::free_custom_shader(uint32_t p_code_id) { - - ERR_FAIL_COND(!custom_code_map.has(p_code_id)); - if (conditional_version.code_version == p_code_id) { - conditional_version.code_version = 0; //do not keep using a version that is going away - unbind(); - } - - VersionKey key; - key.code_version = p_code_id; - for (Set<uint32_t>::Element *E = custom_code_map[p_code_id].versions.front(); E; E = E->next()) { - key.version = E->get(); - ERR_CONTINUE(!version_map.has(key)); - Version &v = version_map[key]; - - glDeleteShader(v.vert_id); - glDeleteShader(v.frag_id); - glDeleteProgram(v.id); - memdelete_arr(v.uniform_location); - v.id = 0; - - version_map.erase(key); - } - - custom_code_map.erase(p_code_id); -} - -void ShaderGLES3::set_base_material_tex_index(int p_idx) { - - base_material_tex_index = p_idx; -} - -ShaderGLES3::ShaderGLES3() { - version = NULL; - last_custom_code = 1; - uniforms_dirty = true; - base_material_tex_index = 0; -} - -ShaderGLES3::~ShaderGLES3() { - - finish(); -} |