diff options
Diffstat (limited to 'drivers/gles3/shader_gles3.cpp')
| -rw-r--r-- | drivers/gles3/shader_gles3.cpp | 1116 |
1 files changed, 1116 insertions, 0 deletions
diff --git a/drivers/gles3/shader_gles3.cpp b/drivers/gles3/shader_gles3.cpp new file mode 100644 index 0000000000..7d93d50ceb --- /dev/null +++ b/drivers/gles3/shader_gles3.cpp @@ -0,0 +1,1116 @@ +/*************************************************************************/ +/* shader_gles3.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 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 "drivers/gles3/rasterizer_platforms.h" +#ifdef GLES3_BACKEND_ENABLED + +#include "rasterizer_gles3.h" +#include "rasterizer_storage_gles3.h" + +#include "core/config/project_settings.h" +#include "core/os/memory.h" +#include "core/string/print_string.h" +#include "core/string/string_builder.h" + +// #define DEBUG_OPENGL + +// #include "shaders/copy.glsl.gen.h" + +#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 + +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_PRINT(p_error); +} + +static String _mkid(const String &p_id) { + String id = "m_" + p_id; + return id.replace("__", "_dus_"); //doubleunderscore is reserved in glsl +} + +ShaderGLES3::Version *ShaderGLES3::get_current_version() { + if (!valid) + return nullptr; + + 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) { + glDeleteShader(v.vert_id); + glDeleteShader(v.frag_id); + glDeleteProgram(v.id); + v.id = 0; + } + } + + v.ok = false; + + Vector<const char *> strings; + +#ifdef GLES_OVER_GL + strings.push_back("#version 330\n"); + strings.push_back("#define USE_GLES_OVER_GL\n"); +#else + strings.push_back("#version 300 es\n"); +//angle does not like +#ifdef JAVASCRIPT_ENABLED + strings.push_back("#define USE_HIGHP_PRECISION\n"); +#endif + + //if (GLOBAL_GET("rendering/opengl/compatibility/enable_high_float.Android")) { + // enable USE_HIGHP_PRECISION but safeguarded by an availability check as highp support is optional in OpenGL + // see Section 4.5.4 of the GLSL_ES_Specification_1.00 + //strings.push_back("#ifdef GL_FRAGMENT_PRECISION_HIGH\n #define USE_HIGHP_PRECISION\n#endif\n"); + //} + +#endif + +#ifdef ANDROID_ENABLED + strings.push_back("#define ANDROID_ENABLED\n"); +#endif + + for (int i = 0; i < custom_defines.size(); i++) { + strings.push_back(custom_defines[i].get_data()); + strings.push_back("\n"); + } + + for (int j = 0; j < conditional_count; j++) { + bool enable = (conditional_version.version & (1 << j)) > 0; + + if (enable) { + strings.push_back(conditional_defines[j]); + DEBUG_PRINT(conditional_defines[j]); + } + } + + // keep them around during the function + CharString code_string; + CharString code_string2; + CharString code_globals; + + CustomCode *cc = NULL; + + if (conditional_version.code_version > 0) { + cc = custom_code_map.getptr(conditional_version.code_version); + + ERR_FAIL_COND_V(!cc, NULL); + v.code_version = cc->version; + } + + // program + + v.id = glCreateProgram(); + ERR_FAIL_COND_V(v.id == 0, NULL); + + if (cc) { + for (int i = 0; i < cc->custom_defines.size(); i++) { + strings.push_back(cc->custom_defines.write[i]); + DEBUG_PRINT("CD #" + itos(i) + ": " + String(cc->custom_defines[i].get_data())); + } + } + + // vertex shader + + int string_base_size = strings.size(); + + 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())); + +#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) { + 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 OpenGL vertex shader compiler log. What the frick?"); + } 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 shader compilation failed:\n"; + + err_string += ilogmem; + + _display_error_with_code(err_string, strings); + + Memory::free_static(ilogmem); + glDeleteShader(v.vert_id); + glDeleteProgram(v.id); + v.id = 0; + } + + ERR_FAIL_V(NULL); + } + + strings.resize(string_base_size); + + // fragment shader + + 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->light.ascii(); + strings.push_back(code_string.get_data()); + } + + strings.push_back(fragment_code2.get_data()); + + if (cc) { + code_string2 = cc->fragment.ascii(); + strings.push_back(code_string2.get_data()); + } + + strings.push_back(fragment_code3.get_data()); + +#ifdef DEBUG_SHADER + + if (cc) { + DEBUG_PRINT("\nFragment Code:\n\n" + String(cc->fragment_globals)); + } + DEBUG_PRINT("\nFragment Code:\n\n" + String(code_string.get_data())); +#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) { + 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 OpenGL fragment shader compiler log. What the frick?"); + } 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 shader compilation failed:\n"; + + err_string += ilogmem; + + _display_error_with_code(err_string, strings); + + 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 the attribute locations. This has to be done before linking so that the + // linker doesn't assign some random indices + + 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) { + 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_PRINT("No OpenGL program link log. What the frick?"); + ERR_FAIL_V(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 linking failed:\n"; + + err_string += ilogmem; + + _display_error_with_code(err_string, strings); + + Memory::free_static(ilogmem); + glDeleteShader(v.frag_id); + glDeleteShader(v.vert_id); + glDeleteProgram(v.id); + v.id = 0; + + ERR_FAIL_V(NULL); + } + + // get uniform locations + + glUseProgram(v.id); + + for (int i = 0; i < uniform_count; i++) { + v.uniform_location[i] = glGetUniformLocation(v.id, uniform_names[i]); + } + + 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); + } else { + glUniform1i(loc, texunit_pairs[i].index); + } + } + } + + if (cc) { + // uniforms + for (int i = 0; i < cc->custom_uniforms.size(); i++) { + String native_uniform_name = _mkid(cc->custom_uniforms[i]); + GLint location = glGetUniformLocation(v.id, (native_uniform_name).ascii().get_data()); + v.custom_uniform_locations[cc->custom_uniforms[i]] = location; + } + + // textures + for (int i = 0; i < cc->texture_uniforms.size(); i++) { + String native_uniform_name = _mkid(cc->texture_uniforms[i]); + GLint location = glGetUniformLocation(v.id, (native_uniform_name).ascii().get_data()); + v.custom_uniform_locations[cc->texture_uniforms[i]] = location; + glUniform1i(location, i); + } + } + + 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 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; + + { + 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(light_code_tag); + + String code2; + + if (cpos != -1) { + fragment_code1 = code.substr(0, cpos).ascii(); + code2 = code.substr(cpos + light_code_tag.length(), code.length()); + } else { + code2 = code; + } + + cpos = code2.find(code_tag); + if (cpos == -1) { + fragment_code2 = code2.ascii(); + } else { + fragment_code2 = code2.substr(0, cpos).ascii(); + fragment_code3 = code2.substr(cpos + code_tag.length(), code2.length()).ascii(); + } + } + } + + glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &max_image_units); + + valid = true; +} + +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); + + if (v.uniform_location) + 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 Vector<StringName> &p_uniforms, + const Vector<StringName> &p_texture_uniforms, + const Vector<CharString> &p_custom_defines) { + CustomCode *cc = custom_code_map.getptr(p_code_id); + ERR_FAIL_COND(!cc); + + 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->texture_uniforms = p_texture_uniforms; + 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::use_material(void *p_material) { + RasterizerStorageGLES3::Material *material = (RasterizerStorageGLES3::Material *)p_material; + + if (!material) { + return; + } + + if (!material->shader) { + return; + } + + Version *v = version_map.getptr(conditional_version); + + // bind uniforms + for (Map<StringName, ShaderLanguage::ShaderNode::Uniform>::Element *E = material->shader->uniforms.front(); E; E = E->next()) { + if (E->get().texture_order >= 0) + continue; // this is a texture, doesn't go here + + Map<StringName, GLint>::Element *L = v->custom_uniform_locations.find(E->key()); + if (!L || L->get() < 0) + continue; //uniform not valid + + GLuint location = L->get(); + + Map<StringName, Variant>::Element *V = material->params.find(E->key()); + + if (V) { + switch (E->get().type) { + case ShaderLanguage::TYPE_BOOL: { + bool boolean = V->get(); + glUniform1i(location, boolean ? 1 : 0); + } break; + + case ShaderLanguage::TYPE_BVEC2: { + int flags = V->get(); + glUniform2i(location, (flags & 1) ? 1 : 0, (flags & 2) ? 1 : 0); + } break; + + case ShaderLanguage::TYPE_BVEC3: { + int flags = V->get(); + glUniform3i(location, (flags & 1) ? 1 : 0, (flags & 2) ? 1 : 0, (flags & 4) ? 1 : 0); + + } break; + + case ShaderLanguage::TYPE_BVEC4: { + int flags = V->get(); + glUniform4i(location, (flags & 1) ? 1 : 0, (flags & 2) ? 1 : 0, (flags & 4) ? 1 : 0, (flags & 8) ? 1 : 0); + + } break; + + case ShaderLanguage::TYPE_INT: + case ShaderLanguage::TYPE_UINT: { + int value = V->get(); + glUniform1i(location, value); + } break; + + case ShaderLanguage::TYPE_IVEC2: + case ShaderLanguage::TYPE_UVEC2: { + Array r = V->get(); + const int count = 2; + if (r.size() == count) { + int values[count]; + for (int i = 0; i < count; i++) { + values[i] = r[i]; + } + glUniform2i(location, values[0], values[1]); + } + + } break; + + case ShaderLanguage::TYPE_IVEC3: + case ShaderLanguage::TYPE_UVEC3: { + Array r = V->get(); + const int count = 3; + if (r.size() == count) { + int values[count]; + for (int i = 0; i < count; i++) { + values[i] = r[i]; + } + glUniform3i(location, values[0], values[1], values[2]); + } + + } break; + + case ShaderLanguage::TYPE_IVEC4: + case ShaderLanguage::TYPE_UVEC4: { + Array r = V->get(); + const int count = 4; + if (r.size() == count) { + int values[count]; + for (int i = 0; i < count; i++) { + values[i] = r[i]; + } + glUniform4i(location, values[0], values[1], values[2], values[3]); + } + + } break; + + case ShaderLanguage::TYPE_FLOAT: { + float value = V->get(); + glUniform1f(location, value); + + } break; + + case ShaderLanguage::TYPE_VEC2: { + Vector2 value = V->get(); + glUniform2f(location, value.x, value.y); + } break; + + case ShaderLanguage::TYPE_VEC3: { + Vector3 value = V->get(); + glUniform3f(location, value.x, value.y, value.z); + } break; + + case ShaderLanguage::TYPE_VEC4: { + if (V->get().get_type() == Variant::COLOR) { + Color value = V->get(); + glUniform4f(location, value.r, value.g, value.b, value.a); + } else if (V->get().get_type() == Variant::QUATERNION) { + Quaternion value = V->get(); + glUniform4f(location, value.x, value.y, value.z, value.w); + } else { + Plane value = V->get(); + glUniform4f(location, value.normal.x, value.normal.y, value.normal.z, value.d); + } + + } break; + + case ShaderLanguage::TYPE_MAT2: { + Transform2D tr = V->get(); + GLfloat matrix[4] = { + /* build a 16x16 matrix */ + tr.elements[0][0], + tr.elements[0][1], + tr.elements[1][0], + tr.elements[1][1], + }; + glUniformMatrix2fv(location, 1, GL_FALSE, matrix); + + } break; + + case ShaderLanguage::TYPE_MAT3: { + Basis val = V->get(); + + GLfloat mat[9] = { + val.elements[0][0], + val.elements[1][0], + val.elements[2][0], + val.elements[0][1], + val.elements[1][1], + val.elements[2][1], + val.elements[0][2], + val.elements[1][2], + val.elements[2][2], + }; + + glUniformMatrix3fv(location, 1, GL_FALSE, mat); + + } break; + + case ShaderLanguage::TYPE_MAT4: { + Transform2D tr = V->get(); + GLfloat matrix[16] = { /* build a 16x16 matrix */ + tr.elements[0][0], + tr.elements[0][1], + 0, + 0, + tr.elements[1][0], + tr.elements[1][1], + 0, + 0, + 0, + 0, + 1, + 0, + tr.elements[2][0], + tr.elements[2][1], + 0, + 1 + }; + + glUniformMatrix4fv(location, 1, GL_FALSE, matrix); + + } break; + + default: { + ERR_PRINT("ShaderNode type missing, bug?"); + } break; + } + } else if (E->get().default_value.size()) { + const Vector<ShaderLanguage::ConstantNode::Value> &values = E->get().default_value; + switch (E->get().type) { + case ShaderLanguage::TYPE_BOOL: { + glUniform1i(location, values[0].boolean); + } break; + + case ShaderLanguage::TYPE_BVEC2: { + glUniform2i(location, values[0].boolean, values[1].boolean); + } break; + + case ShaderLanguage::TYPE_BVEC3: { + glUniform3i(location, values[0].boolean, values[1].boolean, values[2].boolean); + } break; + + case ShaderLanguage::TYPE_BVEC4: { + glUniform4i(location, values[0].boolean, values[1].boolean, values[2].boolean, values[3].boolean); + } break; + + case ShaderLanguage::TYPE_INT: { + glUniform1i(location, values[0].sint); + } break; + + case ShaderLanguage::TYPE_IVEC2: { + glUniform2i(location, values[0].sint, values[1].sint); + } break; + + case ShaderLanguage::TYPE_IVEC3: { + glUniform3i(location, values[0].sint, values[1].sint, values[2].sint); + } break; + + case ShaderLanguage::TYPE_IVEC4: { + glUniform4i(location, values[0].sint, values[1].sint, values[2].sint, values[3].sint); + } break; + + case ShaderLanguage::TYPE_UINT: { + glUniform1i(location, values[0].uint); + } break; + + case ShaderLanguage::TYPE_UVEC2: { + glUniform2i(location, values[0].uint, values[1].uint); + } break; + + case ShaderLanguage::TYPE_UVEC3: { + glUniform3i(location, values[0].uint, values[1].uint, values[2].uint); + } break; + + case ShaderLanguage::TYPE_UVEC4: { + glUniform4i(location, values[0].uint, values[1].uint, values[2].uint, values[3].uint); + } break; + + case ShaderLanguage::TYPE_FLOAT: { + glUniform1f(location, values[0].real); + } break; + + case ShaderLanguage::TYPE_VEC2: { + glUniform2f(location, values[0].real, values[1].real); + } break; + + case ShaderLanguage::TYPE_VEC3: { + glUniform3f(location, values[0].real, values[1].real, values[2].real); + } break; + + case ShaderLanguage::TYPE_VEC4: { + glUniform4f(location, values[0].real, values[1].real, values[2].real, values[3].real); + } break; + + case ShaderLanguage::TYPE_MAT2: { + GLfloat mat[4]; + + for (int i = 0; i < 4; i++) { + mat[i] = values[i].real; + } + + glUniformMatrix2fv(location, 1, GL_FALSE, mat); + } break; + + case ShaderLanguage::TYPE_MAT3: { + GLfloat mat[9]; + + for (int i = 0; i < 9; i++) { + mat[i] = values[i].real; + } + + glUniformMatrix3fv(location, 1, GL_FALSE, mat); + + } break; + + case ShaderLanguage::TYPE_MAT4: { + GLfloat mat[16]; + + for (int i = 0; i < 16; i++) { + mat[i] = values[i].real; + } + + glUniformMatrix4fv(location, 1, GL_FALSE, mat); + + } break; + + case ShaderLanguage::TYPE_SAMPLER2D: { + } break; + + /* + case ShaderLanguage::TYPE_SAMPLEREXT: { + } break; +*/ + case ShaderLanguage::TYPE_ISAMPLER2D: { + } break; + + case ShaderLanguage::TYPE_USAMPLER2D: { + } break; + + case ShaderLanguage::TYPE_SAMPLERCUBE: { + } break; + + case ShaderLanguage::TYPE_SAMPLER2DARRAY: + case ShaderLanguage::TYPE_ISAMPLER2DARRAY: + case ShaderLanguage::TYPE_USAMPLER2DARRAY: + case ShaderLanguage::TYPE_SAMPLER3D: + case ShaderLanguage::TYPE_ISAMPLER3D: + case ShaderLanguage::TYPE_USAMPLER3D: { + // Not implemented in OpenGL + } break; + + case ShaderLanguage::TYPE_VOID: { + // Nothing to do? + } break; + default: { + ERR_PRINT("ShaderNode type missing, bug?"); + } break; + } + } else { //zero + + switch (E->get().type) { + case ShaderLanguage::TYPE_BOOL: { + glUniform1i(location, GL_FALSE); + } break; + + case ShaderLanguage::TYPE_BVEC2: { + glUniform2i(location, GL_FALSE, GL_FALSE); + } break; + + case ShaderLanguage::TYPE_BVEC3: { + glUniform3i(location, GL_FALSE, GL_FALSE, GL_FALSE); + } break; + + case ShaderLanguage::TYPE_BVEC4: { + glUniform4i(location, GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); + } break; + + case ShaderLanguage::TYPE_INT: { + glUniform1i(location, 0); + } break; + + case ShaderLanguage::TYPE_IVEC2: { + glUniform2i(location, 0, 0); + } break; + + case ShaderLanguage::TYPE_IVEC3: { + glUniform3i(location, 0, 0, 0); + } break; + + case ShaderLanguage::TYPE_IVEC4: { + glUniform4i(location, 0, 0, 0, 0); + } break; + + case ShaderLanguage::TYPE_UINT: { + glUniform1i(location, 0); + } break; + + case ShaderLanguage::TYPE_UVEC2: { + glUniform2i(location, 0, 0); + } break; + + case ShaderLanguage::TYPE_UVEC3: { + glUniform3i(location, 0, 0, 0); + } break; + + case ShaderLanguage::TYPE_UVEC4: { + glUniform4i(location, 0, 0, 0, 0); + } break; + + case ShaderLanguage::TYPE_FLOAT: { + glUniform1f(location, 0); + } break; + + case ShaderLanguage::TYPE_VEC2: { + glUniform2f(location, 0, 0); + } break; + + case ShaderLanguage::TYPE_VEC3: { + glUniform3f(location, 0, 0, 0); + } break; + + case ShaderLanguage::TYPE_VEC4: { + glUniform4f(location, 0, 0, 0, 0); + } break; + + case ShaderLanguage::TYPE_MAT2: { + GLfloat mat[4] = { 0, 0, 0, 0 }; + + glUniformMatrix2fv(location, 1, GL_FALSE, mat); + } break; + + case ShaderLanguage::TYPE_MAT3: { + GLfloat mat[9] = { 0, 0, 0, 0, 0, 0, 0, 0, 0 }; + + glUniformMatrix3fv(location, 1, GL_FALSE, mat); + + } break; + + case ShaderLanguage::TYPE_MAT4: { + GLfloat mat[16] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; + + glUniformMatrix4fv(location, 1, GL_FALSE, mat); + + } break; + + case ShaderLanguage::TYPE_SAMPLER2D: { + } break; + + /* + case ShaderLanguage::TYPE_SAMPLEREXT: { + } break; +*/ + + case ShaderLanguage::TYPE_ISAMPLER2D: { + } break; + + case ShaderLanguage::TYPE_USAMPLER2D: { + } break; + + case ShaderLanguage::TYPE_SAMPLERCUBE: { + } break; + + case ShaderLanguage::TYPE_SAMPLER2DARRAY: + case ShaderLanguage::TYPE_ISAMPLER2DARRAY: + case ShaderLanguage::TYPE_USAMPLER2DARRAY: + case ShaderLanguage::TYPE_SAMPLER3D: + case ShaderLanguage::TYPE_ISAMPLER3D: + case ShaderLanguage::TYPE_USAMPLER3D: { + // Not implemented in OpenGL + } break; + + case ShaderLanguage::TYPE_VOID: { + // Nothing to do? + } break; + default: { + ERR_PRINT("ShaderNode type missing, bug?"); + } break; + } + } + } +} + +ShaderGLES3::ShaderGLES3() { + version = NULL; + last_custom_code = 1; + uniforms_dirty = true; +} + +ShaderGLES3::~ShaderGLES3() { + finish(); +} + +#endif // GLES3_BACKEND_ENABLED |