97 lines
2.2 KiB
C++
97 lines
2.2 KiB
C++
// Copyright (C) 2020 Jérôme Leclercq
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// This file is part of the "Nazara Engine - OpenGL Renderer"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/OpenGLRenderer/Wrapper/Shader.hpp>
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#include <cassert>
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#include <Nazara/OpenGLRenderer/Debug.hpp>
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namespace Nz::GL
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{
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inline Shader::~Shader()
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{
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Destroy();
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}
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inline void Shader::Compile()
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{
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assert(m_shader);
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m_device->GetReferenceContext().glCompileShader(m_shader);
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}
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inline bool Shader::Create(OpenGLDevice& device, GLenum type)
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{
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Destroy();
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m_device = &device;
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m_shader = device.GetReferenceContext().glCreateShader(type);
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if (!m_shader)
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return false; //< TODO: Handle error messages
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return true;
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}
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inline void Shader::Destroy()
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{
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if (m_shader)
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{
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m_device->GetReferenceContext().glDeleteShader(m_shader);
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m_shader = 0;
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}
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}
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inline bool Shader::GetCompilationStatus(std::string* error)
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{
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assert(m_shader);
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const GL::Context& context = m_device->GetReferenceContext();
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GLint success;
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context.glGetShaderiv(m_shader, GL_COMPILE_STATUS, &success);
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if (!success)
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{
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if (error)
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{
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GLint logLength;
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context.glGetShaderiv(m_shader, GL_INFO_LOG_LENGTH, &logLength);
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error->resize(logLength);
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if (logLength > 0)
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{
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GLsizei dummy;
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context.glGetShaderInfoLog(m_shader, logLength, &dummy, error->data());
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}
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}
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return false;
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}
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return true;
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}
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inline void Shader::SetBinarySource(GLenum binaryFormat, const void* binary, GLsizei length)
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{
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assert(m_shader);
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m_device->GetReferenceContext().glShaderBinary(1U, &m_shader.Get(), binaryFormat, binary, length);
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}
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inline void Shader::SetSource(const char* source, GLint length)
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{
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assert(m_shader);
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m_device->GetReferenceContext().glShaderSource(m_shader, 1U, &source, &length);
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}
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inline void Shader::SpecializeShader(const GLchar* pEntryPoint, GLuint numSpecializationConstants, const GLuint* pConstantIndex, const GLuint* pConstantValue)
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{
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assert(m_shader);
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const GL::Context& context = m_device->GetReferenceContext();
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assert(context.glSpecializeShaderARB);
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context.glSpecializeShaderARB(m_shader, pEntryPoint, numSpecializationConstants, pConstantIndex, pConstantValue);
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}
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}
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#include <Nazara/OpenGLRenderer/DebugOff.hpp>
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