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b442ab0bd24886608dd996aef67780e51fe0d754
NazaraEngine/src/Nazara/Renderer/Shader.cpp
Lynix b442ab0bd2 Refactored mathematics module 
Added AABBs
Added code examples
Added experimental support for texture arrays (1D/2D)
Added initialisers (new way of initialising modules)
Added global headers (Plus a global header generator script)
Added pattern support for directory
Added support for spinlocks critical section on Windows
Added NzRenderWindow::SetFramerateLimit
Core project now includes Mathematics files
Fixed color implementation using double
Fixed declaration needing renderer include
Fixed MLT not clearing nextFree(File/Line) after Free
Fixed move operators not being noexcept
Fixed thread-safety (Now working correctly - If I'm lucky)
Moved Resource to core
New interface for modules
New interface for the renderer
Put some global functions to anonymous namespace
Removed empty modules
Renamed ThreadCondition to ConditionVariable
Replaced redirect to cerr log option by duplicate to cout
Setting mouse position relative to a window will make this window ignore
the event
Shaders sending methods no longer takes the uniform variable name (it's
using ID instead)
Using new OpenGL 4.3 header
2012-08-08 04:44:17 +02:00

633 lines
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// Copyright (C) 2012 Jérôme Leclercq
// This file is part of the "Nazara Engine".
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <Nazara/Renderer/OpenGL.hpp>
#include <Nazara/Renderer/Shader.hpp>
#include <Nazara/Core/Error.hpp>
#include <Nazara/Core/File.hpp>
#include <Nazara/Core/String.hpp>
#include <Nazara/Renderer/Config.hpp>
#include <Nazara/Renderer/GLSLShader.hpp>
#include <Nazara/Renderer/Renderer.hpp>
#include <Nazara/Renderer/ShaderImpl.hpp>
#include <stdexcept>
#include <Nazara/Renderer/Debug.hpp>
NzShader::NzShader() :
m_impl(nullptr),
m_compiled(false)
{
}
NzShader::NzShader(nzShaderLanguage language) :
m_impl(nullptr),
m_compiled(false)
{
Create(language);
#ifdef NAZARA_DEBUG
if (!m_impl)
{
NazaraError("Failed to create shader");
throw std::runtime_error("Constructor failed");
}
#endif
}
NzShader::~NzShader()
{
Destroy();
}
bool NzShader::Create(nzShaderLanguage language)
{
Destroy();
switch (language)
{
case nzShaderLanguage_Cg:
NazaraError("Cg support is not implemented yet");
return false;
case nzShaderLanguage_GLSL:
m_impl = new NzGLSLShader(this);
break;
default:
NazaraError("Shader language not handled (0x" + NzString::Number(language, 16) + ')');
return false;
}
if (!m_impl->Create())
{
NazaraError("Failed to create shader");
delete m_impl;
m_impl = nullptr;
return false;
}
return true;
}
bool NzShader::Compile()
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Shader not created");
return false;
}
#endif
if (m_impl->Compile())
{
m_compiled = true;
return true;
}
else
return false;
}
void NzShader::Destroy()
{
if (m_impl)
{
m_impl->Destroy();
delete m_impl;
m_impl = nullptr;
}
}
NzString NzShader::GetLog() const
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NzString error = "Shader not created";
NazaraError(error);
return error;
}
#endif
return m_impl->GetLog();
}
nzShaderLanguage NzShader::GetLanguage() const
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NzString error = "Shader not created";
NazaraError(error);
return nzShaderLanguage_Unknown;
}
#endif
return m_impl->GetLanguage();
}
NzString NzShader::GetSourceCode(nzShaderType type) const
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NzString error = "Shader not created";
NazaraError(error);
return error;
}
if (!IsTypeSupported(type))
{
NzString error = "Shader type not supported";
NazaraError(error);
return error;
}
if (!m_impl->IsLoaded(type))
{
NzString error = "Shader not loaded";
NazaraError(error);
return error;
}
#endif
return m_impl->GetSourceCode(type);
}
int NzShader::GetUniformLocation(const NzString& name) const
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Shader not created");
return false;
}
#endif
return m_impl->GetUniformLocation(name);
}
bool NzShader::HasUniform(const NzString& name) const
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Shader not created");
return false;
}
#endif
return m_impl->GetUniformLocation(name) != -1;
}
bool NzShader::IsCompiled() const
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Shader not created");
return false;
}
#endif
return m_compiled;
}
bool NzShader::IsLoaded(nzShaderType type) const
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Shader not created");
return false;
}
if (!IsTypeSupported(type))
{
NazaraError("Shader type not supported");
return false;
}
#endif
return m_impl->IsLoaded(type);
}
bool NzShader::Load(nzShaderType type, const NzString& source)
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Shader not created");
return false;
}
if (!IsTypeSupported(type))
{
NazaraError("Shader type not supported");
return false;
}
if (source.IsEmpty())
{
NazaraError("Empty source code");
return false;
}
if (m_impl->IsLoaded(type))
{
NazaraError("Shader already loaded");
return false;
}
#endif
return m_impl->Load(type, source);
}
bool NzShader::LoadFromFile(nzShaderType type, const NzString& filePath)
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Shader not created");
return false;
}
if (!IsTypeSupported(type))
{
NazaraError("Shader type not supported");
return false;
}
if (m_impl->IsLoaded(type))
{
NazaraError("Shader already loaded");
return false;
}
#endif
NzFile file(filePath);
if (!file.Open(NzFile::ReadOnly | NzFile::Text))
{
NazaraError("Failed to open \"" + filePath + '"');
return false;
}
unsigned int length = file.GetSize();
NzString source;
source.Resize(length);
if (file.Read(&source[0], length) != length)
{
NazaraError("Failed to read shader file");
return false;
}
file.Close();
return m_impl->Load(type, source);
}
bool NzShader::Lock()
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Shader not created");
return false;
}
#endif
return m_impl->Lock();
}
bool NzShader::SendBoolean(int location, bool value)
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Shader not created");
return false;
}
if (location == -1)
{
NazaraError("Invalid location");
return false;
}
#endif
return m_impl->SendBoolean(location, value);
}
bool NzShader::SendDouble(int location, double value)
{
#if NAZARA_RENDERER_SAFE
if (!NzRenderer::HasCapability(nzRendererCap_FP64))
{
NazaraError("FP64 is not supported");
return false;
}
if (!m_impl)
{
NazaraError("Shader not created");
return false;
}
if (location == -1)
{
NazaraError("Invalid location");
return false;
}
#endif
return m_impl->SendDouble(location, value);
}
bool NzShader::SendFloat(int location, float value)
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Shader not created");
return false;
}
if (location == -1)
{
NazaraError("Invalid location");
return false;
}
#endif
return m_impl->SendFloat(location, value);
}
bool NzShader::SendInteger(int location, int value)
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Shader not created");
return false;
}
if (location == -1)
{
NazaraError("Invalid location");
return false;
}
#endif
return m_impl->SendInteger(location, value);
}
bool NzShader::SendMatrix(int location, const NzMatrix4d& matrix)
{
#if NAZARA_RENDERER_SAFE
if (!NzRenderer::HasCapability(nzRendererCap_FP64))
{
NazaraError("FP64 is not supported");
return false;
}
if (!m_impl)
{
NazaraError("Shader not created");
return false;
}
if (location == -1)
{
NazaraError("Invalid location");
return false;
}
#endif
return m_impl->SendMatrix(location, matrix);
}
bool NzShader::SendMatrix(int location, const NzMatrix4f& matrix)
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Shader not created");
return false;
}
if (location == -1)
{
NazaraError("Invalid location");
return false;
}
#endif
return m_impl->SendMatrix(location, matrix);
}
bool NzShader::SendTexture(int location, const NzTexture* texture)
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Shader not created");
return false;
}
if (location == -1)
{
NazaraError("Invalid location");
return false;
}
#endif
return m_impl->SendTexture(location, texture);
}
bool NzShader::SendVector(int location, const NzVector2d& vector)
{
#if NAZARA_RENDERER_SAFE
if (!NzRenderer::HasCapability(nzRendererCap_FP64))
{
NazaraError("FP64 is not supported");
return false;
}
if (!m_impl)
{
NazaraError("Shader not created");
return false;
}
if (location == -1)
{
NazaraError("Invalid location");
return false;
}
#endif
return m_impl->SendVector(location, vector);
}
bool NzShader::SendVector(int location, const NzVector2f& vector)
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Shader not created");
return false;
}
if (location == -1)
{
NazaraError("Invalid location");
return false;
}
#endif
return m_impl->SendVector(location, vector);
}
bool NzShader::SendVector(int location, const NzVector3d& vector)
{
#if NAZARA_RENDERER_SAFE
if (!NzRenderer::HasCapability(nzRendererCap_FP64))
{
NazaraError("FP64 is not supported");
return false;
}
if (!m_impl)
{
NazaraError("Shader not created");
return false;
}
if (location == -1)
{
NazaraError("Invalid location");
return false;
}
#endif
return m_impl->SendVector(location, vector);
}
bool NzShader::SendVector(int location, const NzVector3f& vector)
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Shader not created");
return false;
}
if (location == -1)
{
NazaraError("Invalid location");
return false;
}
#endif
return m_impl->SendVector(location, vector);
}
bool NzShader::SendVector(int location, const NzVector4d& vector)
{
#if NAZARA_RENDERER_SAFE
if (!NzRenderer::HasCapability(nzRendererCap_FP64))
{
NazaraError("FP64 is not supported");
return false;
}
if (!m_impl)
{
NazaraError("Shader not created");
return false;
}
if (location == -1)
{
NazaraError("Invalid location");
return false;
}
#endif
return m_impl->SendVector(location, vector);
}
bool NzShader::SendVector(int location, const NzVector4f& vector)
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Shader not created");
return false;
}
if (location == -1)
{
NazaraError("Invalid location");
return false;
}
#endif
return m_impl->SendVector(location, vector);
}
void NzShader::Unlock()
{
#if NAZARA_RENDERER_SAFE
if (!m_impl)
{
NazaraError("Shader not created");
return;
}
#endif
return m_impl->Unlock();
}
bool NzShader::IsLanguageSupported(nzShaderLanguage language)
{
switch (language)
{
case nzShaderLanguage_Cg:
return false; // ??
case nzShaderLanguage_GLSL:
return true;
default:
NazaraError("Shader language not handled (0x" + NzString::Number(language, 16) + ')');
return false;
}
}
bool NzShader::IsTypeSupported(nzShaderType type)
{
switch (type)
{
case nzShaderType_Fragment:
case nzShaderType_Vertex:
return true;
case nzShaderType_Geometry:
return false; // ??
default:
NazaraError("Shader type not handled (0x" + NzString::Number(type, 16) + ')');
return false;
}
}
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