112 lines
3.7 KiB
C++
Executable File
112 lines
3.7 KiB
C++
Executable File
// SPDX-FileCopyrightText: 2014 Citra Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <string_view>
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#include <vector>
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#include <glad/glad.h>
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#include "common/logging/log.h"
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#include "common/settings.h"
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#include "video_core/renderer_opengl/gl_shader_util.h"
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namespace OpenGL {
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static OGLProgram LinkSeparableProgram(GLuint shader) {
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OGLProgram program;
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program.handle = glCreateProgram();
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glProgramParameteri(program.handle, GL_PROGRAM_SEPARABLE, GL_TRUE);
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glAttachShader(program.handle, shader);
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glLinkProgram(program.handle);
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glDetachShader(program.handle, shader);
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if (!Settings::values.renderer_debug) {
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return program;
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}
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GLint link_status{};
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glGetProgramiv(program.handle, GL_LINK_STATUS, &link_status);
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GLint log_length{};
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glGetProgramiv(program.handle, GL_INFO_LOG_LENGTH, &log_length);
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if (log_length == 0) {
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return program;
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}
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std::string log(log_length, 0);
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glGetProgramInfoLog(program.handle, log_length, nullptr, log.data());
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if (link_status == GL_FALSE) {
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LOG_ERROR(Render_OpenGL, "{}", log);
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} else {
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LOG_WARNING(Render_OpenGL, "{}", log);
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}
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return program;
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}
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static void LogShader(GLuint shader, std::string_view code = {}) {
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GLint shader_status{};
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glGetShaderiv(shader, GL_COMPILE_STATUS, &shader_status);
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if (shader_status == GL_FALSE) {
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LOG_ERROR(Render_OpenGL, "Failed to build shader");
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}
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GLint log_length{};
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glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &log_length);
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if (log_length == 0) {
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return;
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}
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std::string log(log_length, 0);
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glGetShaderInfoLog(shader, log_length, nullptr, log.data());
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if (shader_status == GL_FALSE) {
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LOG_ERROR(Render_OpenGL, "{}", log);
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if (!code.empty()) {
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LOG_INFO(Render_OpenGL, "\n{}", code);
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}
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} else {
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LOG_WARNING(Render_OpenGL, "{}", log);
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}
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}
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OGLProgram CreateProgram(std::string_view code, GLenum stage) {
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OGLShader shader;
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shader.handle = glCreateShader(stage);
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const GLint length = static_cast<GLint>(code.size());
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const GLchar* const code_ptr = code.data();
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glShaderSource(shader.handle, 1, &code_ptr, &length);
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glCompileShader(shader.handle);
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if (Settings::values.renderer_debug) {
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LogShader(shader.handle, code);
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}
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return LinkSeparableProgram(shader.handle);
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}
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OGLProgram CreateProgram(std::span<const u32> code, GLenum stage) {
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OGLShader shader;
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shader.handle = glCreateShader(stage);
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glShaderBinary(1, &shader.handle, GL_SHADER_BINARY_FORMAT_SPIR_V_ARB, code.data(),
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static_cast<GLsizei>(code.size_bytes()));
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glSpecializeShader(shader.handle, "main", 0, nullptr, nullptr);
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if (Settings::values.renderer_debug) {
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LogShader(shader.handle);
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}
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return LinkSeparableProgram(shader.handle);
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}
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OGLAssemblyProgram CompileProgram(std::string_view code, GLenum target) {
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OGLAssemblyProgram program;
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glGenProgramsARB(1, &program.handle);
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glNamedProgramStringEXT(program.handle, target, GL_PROGRAM_FORMAT_ASCII_ARB,
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static_cast<GLsizei>(code.size()), code.data());
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if (Settings::values.renderer_debug) {
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const auto err = reinterpret_cast<const char*>(glGetString(GL_PROGRAM_ERROR_STRING_NV));
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if (err && *err) {
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if (std::strstr(err, "error")) {
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LOG_CRITICAL(Render_OpenGL, "\n{}", err);
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LOG_INFO(Render_OpenGL, "\n{}", code);
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} else {
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LOG_WARNING(Render_OpenGL, "\n{}", err);
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}
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}
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}
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return program;
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}
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} // namespace OpenGL
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