diff options
Diffstat (limited to 'drivers/gles2/shader_gles2.cpp')
| -rw-r--r-- | drivers/gles2/shader_gles2.cpp | 736 |
1 files changed, 0 insertions, 736 deletions
diff --git a/drivers/gles2/shader_gles2.cpp b/drivers/gles2/shader_gles2.cpp deleted file mode 100644 index 8764ae3895..0000000000 --- a/drivers/gles2/shader_gles2.cpp +++ /dev/null @@ -1,736 +0,0 @@ -/*************************************************************************/ -/* shader_gles2.cpp */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* http://www.godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2017 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_gles2.h" - -#ifdef GLES2_ENABLED -#include "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 - -ShaderGLES2 *ShaderGLES2::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 ShaderGLES2::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 ShaderGLES2::get_uniform_location(int p_index) const { - - ERR_FAIL_COND_V(!version, -1); - - return version->uniform_location[p_index]; -}; - -bool ShaderGLES2::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); - - glUseProgram(version->id); - - DEBUG_TEST_ERROR("Use Program"); - - active = this; - uniforms_dirty = true; - /* - * why on earth is this code here? - for (int i=0;i<texunit_pair_count;i++) { - - glUniform1i(texunit_pairs[i].location, texunit_pairs[i].index); - DEBUG_TEST_ERROR("Uniform 1 i"); - } - -*/ - return true; -} - -void ShaderGLES2::unbind() { - - version = NULL; - glUseProgram(0); - uniforms_dirty = true; - active = NULL; -} - -static String _fix_error_code_line(const String &p_error, int p_code_start, int p_offset) { - - int last_find_pos = -1; - // NVIDIA - String error = p_error; - while ((last_find_pos = p_error.find("(", last_find_pos + 1)) != -1) { - - int end_pos = last_find_pos + 1; - - while (true) { - - if (p_error[end_pos] >= '0' && p_error[end_pos] <= '9') { - - end_pos++; - continue; - } else if (p_error[end_pos] == ')') { - break; - } else { - - end_pos = -1; - break; - } - } - - if (end_pos == -1) - continue; - - String numstr = error.substr(last_find_pos + 1, (end_pos - last_find_pos) - 1); - String begin = error.substr(0, last_find_pos + 1); - String end = error.substr(end_pos, error.length()); - int num = numstr.to_int() + p_code_start - p_offset; - error = begin + itos(num) + end; - } - - // ATI - last_find_pos = -1; - while ((last_find_pos = p_error.find("ERROR: ", last_find_pos + 1)) != -1) { - - last_find_pos += 6; - int end_pos = last_find_pos + 1; - - while (true) { - - if (p_error[end_pos] >= '0' && p_error[end_pos] <= '9') { - - end_pos++; - continue; - } else if (p_error[end_pos] == ':') { - break; - } else { - - end_pos = -1; - break; - } - } - continue; - if (end_pos == -1) - continue; - - String numstr = error.substr(last_find_pos + 1, (end_pos - last_find_pos) - 1); - print_line("numstr: " + numstr); - String begin = error.substr(0, last_find_pos + 1); - String end = error.substr(end_pos, error.length()); - int num = numstr.to_int() + p_code_start - p_offset; - error = begin + itos(num) + end; - } - return error; -} - -ShaderGLES2::Version *ShaderGLES2::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 GLEW_ENABLED - strings.push_back("#version 120\n"); //ATI requieres this before anything -#endif - int define_line_ofs = 1; - - for (int j = 0; j < conditional_count; j++) { - - bool enable = ((1 << j) & conditional_version.version); - strings.push_back(enable ? conditional_defines[j] : ""); - if (enable) - define_line_ofs++; - - if (enable) { - DEBUG_PRINT(conditional_defines[j]); - } - } - - //keep them around during the function - CharString code_string; - CharString code_string2; - CharString code_globals; - - //print_line("code version? "+itos(conditional_version.code_version)); - - 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; - define_line_ofs += 2; - } - - /* 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]); - DEBUG_PRINT("CD #" + itos(i) + ": " + String(cc->custom_defines[i])); - } - } - - int strings_base_size = strings.size(); -#if 0 - if (cc) { - - String _code_string = "#define VERTEX_SHADER_CODE "+cc->vertex+"\n"; - String _code_globals = "#define VERTEX_SHADER_GLOBALS "+cc->vertex_globals+"\n"; - - code_string=_code_string.ascii(); - code_globals=_code_globals.ascii(); - DEBUG_PRINT( code_globals.get_data() ); - DEBUG_PRINT( code_string.get_data() ); - strings.push_back(code_globals); - strings.push_back(code_string); - } -#endif - - strings.push_back(vertex_code0.get_data()); - if (cc) { - code_globals = cc->vertex_globals.ascii(); - strings.push_back(code_globals.get_data()); - } - strings.push_back(vertex_code1.get_data()); - - if (cc) { - code_string = cc->vertex.ascii(); - strings.push_back(code_string.get_data()); - } - - strings.push_back(vertex_code2.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("NO LOG, WTF"); - } else { - - if (iloglen == 0) { - - iloglen = 4096; //buggy driver (Adreno 220+....) - } - - char *ilogmem = (char *)Memory::alloc_static(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; - err_string = _fix_error_code_line(err_string, vertex_code_start, define_line_ofs); - ERR_PRINT(err_string.ascii().get_data()); - Memory::free_static(ilogmem); - glDeleteShader(v.vert_id); - glDeleteProgram(v.id); - v.id = 0; - } - - ERR_FAIL_V(NULL); - } - - /* FRAGMENT SHADER */ - - strings.resize(strings_base_size); -#if 0 - if (cc) { - - String _code_string = "#define FRAGMENT_SHADER_CODE "+cc->fragment+"\n"; - String _code_globals = "#define FRAGMENT_SHADER_GLOBALS "+cc->fragment_globals+"\n"; - - code_string=_code_string.ascii(); - code_globals=_code_globals.ascii(); - DEBUG_PRINT( code_globals.get_data() ); - DEBUG_PRINT( code_string.get_data() ); - strings.push_back(code_globals); - strings.push_back(code_string); - } -#endif - - strings.push_back(fragment_code0.get_data()); - if (cc) { - code_globals = cc->fragment_globals.ascii(); - strings.push_back(code_globals.get_data()); - } - strings.push_back(fragment_code1.get_data()); - - if (cc) { - code_string = cc->fragment.ascii(); - strings.push_back(code_string.get_data()); - } - - strings.push_back(fragment_code2.get_data()); - - if (cc) { - code_string2 = cc->light.ascii(); - strings.push_back(code_string2.get_data()); - } - - strings.push_back(fragment_code3.get_data()); - -#ifdef DEBUG_SHADER - DEBUG_PRINT("\nFragment Code:\n\n" + String(code_string.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("NO LOG, WTF"); - } else { - - if (iloglen == 0) { - - iloglen = 4096; //buggy driver (Adreno 220+....) - } - - char *ilogmem = (char *)Memory::alloc_static(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; - err_string = _fix_error_code_line(err_string, fragment_code_start, define_line_ofs); - 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); - } - - 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); - } - - 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; - err_string = _fix_error_code_line(err_string, fragment_code_start, define_line_ofs); - 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) - glUniform1i(loc, texunit_pairs[i].index); - } - - if (cc) { - - v.custom_uniform_locations.resize(cc->custom_uniforms.size()); - for (int i = 0; i < cc->custom_uniforms.size(); i++) { - - v.custom_uniform_locations[i] = glGetUniformLocation(v.id, String(cc->custom_uniforms[i]).ascii().get_data()); - } - } - - glUseProgram(0); - - v.ok = true; - - return &v; -} - -GLint ShaderGLES2::get_uniform_location(const String &p_name) const { - - ERR_FAIL_COND_V(!version, -1); - return glGetUniformLocation(version->id, p_name.ascii().get_data()); -} - -void ShaderGLES2::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 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; - - //split vertex and shader code (thank you, retarded shader compiler programmers from you know what company). - { - String globals_tag = "\nVERTEX_SHADER_GLOBALS"; - String code_tag = "\nVERTEX_SHADER_CODE"; - String code = vertex_code; - int cpos = code.find(globals_tag); - if (cpos == -1) { - vertex_code0 = code.ascii(); - } else { - vertex_code0 = code.substr(0, cpos).ascii(); - code = code.substr(cpos + globals_tag.length(), code.length()); - - cpos = code.find(code_tag); - - if (cpos == -1) { - vertex_code1 = code.ascii(); - } else { - - vertex_code1 = code.substr(0, cpos).ascii(); - vertex_code2 = code.substr(cpos + code_tag.length(), code.length()).ascii(); - } - } - } - - { - String globals_tag = "\nFRAGMENT_SHADER_GLOBALS"; - String code_tag = "\nFRAGMENT_SHADER_CODE"; - String light_code_tag = "\nLIGHT_SHADER_CODE"; - String code = fragment_code; - int cpos = code.find(globals_tag); - if (cpos == -1) { - fragment_code0 = code.ascii(); - } else { - fragment_code0 = code.substr(0, cpos).ascii(); - code = code.substr(cpos + globals_tag.length(), code.length()); - - cpos = code.find(code_tag); - - if (cpos == -1) { - fragment_code1 = code.ascii(); - } else { - - fragment_code1 = code.substr(0, cpos).ascii(); - String code2 = code.substr(cpos + code_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(); - fragment_code3 = code2.substr(cpos + light_code_tag.length(), code2.length()).ascii(); - } - } - } - } -} - -void ShaderGLES2::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 ShaderGLES2::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 ShaderGLES2::create_custom_shader() { - - custom_code_map[last_custom_code] = CustomCode(); - custom_code_map[last_custom_code].version = 1; - return last_custom_code++; -} - -void ShaderGLES2::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 Vector<StringName> &p_uniforms, const Vector<const char *> &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->custom_uniforms = p_uniforms; - cc->custom_defines = p_custom_defines; - cc->version++; -} - -void ShaderGLES2::set_custom_shader(uint32_t p_code_id) { - - new_conditional_version.code_version = p_code_id; -} - -void ShaderGLES2::free_custom_shader(uint32_t p_code_id) { - - /* if (! custom_code_map.has( p_code_id )) { - print_line("no code id "+itos(p_code_id)); - } else { - print_line("freed code id "+itos(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; //bye - - custom_code_map.erase(p_code_id); -} - -ShaderGLES2::ShaderGLES2() { - version = NULL; - last_custom_code = 1; - uniforms_dirty = true; -} - -ShaderGLES2::~ShaderGLES2() { - - finish(); -} - -#endif |