Normalized line ending
Former-commit-id: bd061c48bdc8f0d26159dac3b41017defef5ae1e
This commit is contained in:
Lynix
@@ -1,218 +1,218 @@
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// Copyright (C) 2012 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Renderer module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Renderer/OpenGL.hpp>
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#include <Nazara/Renderer/HardwareBuffer.hpp>
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#include <Nazara/Core/Error.hpp>
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#include <Nazara/Renderer/Context.hpp>
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#include <cstring>
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#include <stdexcept>
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#include <Nazara/Renderer/Debug.hpp>
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namespace
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{
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using LockRoutine = nzUInt8* (*)(nzBufferType type, nzBufferAccess access, unsigned int offset, unsigned int size);
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nzUInt8* LockBuffer(nzBufferType type, nzBufferAccess access, unsigned int offset, unsigned int size)
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{
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NazaraUnused(size);
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if (access == nzBufferAccess_DiscardAndWrite)
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{
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GLint bufSize;
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glGetBufferParameteriv(NzOpenGL::BufferTargetBinding[type], GL_BUFFER_SIZE, &bufSize);
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GLint bufUsage;
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glGetBufferParameteriv(NzOpenGL::BufferTargetBinding[type], GL_BUFFER_USAGE, &bufUsage);
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// On discard le buffer
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glBufferData(NzOpenGL::BufferTargetBinding[type], bufSize, nullptr, bufUsage);
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}
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void* ptr = glMapBuffer(NzOpenGL::BufferTarget[type], NzOpenGL::BufferLock[access]);
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if (ptr)
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return reinterpret_cast<nzUInt8*>(ptr) + offset;
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else
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return nullptr;
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}
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nzUInt8* LockBufferRange(nzBufferType type, nzBufferAccess access, unsigned int offset, unsigned int size)
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{
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return reinterpret_cast<nzUInt8*>(glMapBufferRange(NzOpenGL::BufferTarget[type], offset, size, NzOpenGL::BufferLockRange[access]));
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}
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nzUInt8* LockBufferFirstRun(nzBufferType type, nzBufferAccess access, unsigned int offset, unsigned int size);
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LockRoutine mapBuffer = LockBufferFirstRun;
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nzUInt8* LockBufferFirstRun(nzBufferType type, nzBufferAccess access, unsigned int offset, unsigned int size)
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{
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if (glMapBufferRange)
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mapBuffer = LockBufferRange;
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else
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mapBuffer = LockBuffer;
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return mapBuffer(type, access, offset, size);
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}
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}
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NzHardwareBuffer::NzHardwareBuffer(NzBuffer* parent, nzBufferType type) :
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m_type(type),
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m_parent(parent)
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{
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}
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NzHardwareBuffer::~NzHardwareBuffer()
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{
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}
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void NzHardwareBuffer::Bind()
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{
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#ifdef NAZARA_DEBUG
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if (NzContext::GetCurrent() == nullptr)
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{
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NazaraError("No active context");
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return;
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}
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#endif
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glBindBuffer(NzOpenGL::BufferTarget[m_type], m_buffer);
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}
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bool NzHardwareBuffer::Create(unsigned int size, nzBufferUsage usage)
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{
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NzContext::EnsureContext();
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m_buffer = 0;
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glGenBuffers(1, &m_buffer);
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GLint previous;
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glGetIntegerv(NzOpenGL::BufferTargetBinding[m_type], &previous);
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glBindBuffer(NzOpenGL::BufferTarget[m_type], m_buffer);
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glBufferData(NzOpenGL::BufferTarget[m_type], size, nullptr, NzOpenGL::BufferUsage[usage]);
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// Pour ne pas perturber le rendu, on interfère pas avec le binding déjà présent
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if (previous != 0)
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glBindBuffer(NzOpenGL::BufferTarget[m_type], previous);
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return true;
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}
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void NzHardwareBuffer::Destroy()
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{
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NzContext::EnsureContext();
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glDeleteBuffers(1, &m_buffer);
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}
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bool NzHardwareBuffer::Fill(const void* data, unsigned int offset, unsigned int size)
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{
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NzContext::EnsureContext();
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GLuint previous;
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glGetIntegerv(NzOpenGL::BufferTargetBinding[m_type], reinterpret_cast<GLint*>(&previous));
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if (previous != m_buffer)
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glBindBuffer(NzOpenGL::BufferTarget[m_type], m_buffer);
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// Il semblerait que glBuffer(Sub)Data soit plus performant que glMapBuffer(Range) en dessous d'un certain seuil
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// http://www.stevestreeting.com/2007/03/17/glmapbuffer-vs-glbuffersubdata-the-return/
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if (size < 32*1024)
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{
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// http://www.opengl.org/wiki/Vertex_Specification_Best_Practices
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if (size == m_parent->GetSize())
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glBufferData(NzOpenGL::BufferTarget[m_type], m_parent->GetSize(), nullptr, NzOpenGL::BufferUsage[m_parent->GetUsage()]); // Discard
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glBufferSubData(NzOpenGL::BufferTarget[m_type], offset, size, data);
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}
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else
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{
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nzUInt8* ptr = mapBuffer(m_type, (size == m_parent->GetSize()) ? nzBufferAccess_DiscardAndWrite : nzBufferAccess_WriteOnly, offset, size);
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if (!ptr)
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{
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NazaraError("Failed to map buffer");
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return false;
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}
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std::memcpy(ptr, data, size);
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if (glUnmapBuffer(NzOpenGL::BufferTarget[m_type]) != GL_TRUE)
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{
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// Une erreur rare est survenue, nous devons réinitialiser le buffer
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NazaraError("Failed to unmap buffer, reinitialising content... (OpenGL error : 0x" + NzString::Number(glGetError(), 16) + ')');
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glBufferData(NzOpenGL::BufferTarget[m_type], m_parent->GetSize(), nullptr, NzOpenGL::BufferUsage[m_parent->GetStorage()]);
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return false;
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}
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}
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// Inutile de rebinder s'il n'y avait aucun buffer (Optimise les opérations chaînées)
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if (previous != m_buffer && previous != 0)
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glBindBuffer(NzOpenGL::BufferTarget[m_type], previous);
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return true;
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}
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void* NzHardwareBuffer::GetPointer()
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{
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return nullptr;
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}
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bool NzHardwareBuffer::IsHardware() const
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{
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return true;
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}
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void* NzHardwareBuffer::Map(nzBufferAccess access, unsigned int offset, unsigned int size)
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{
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NzContext::EnsureContext();
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// Pour ne pas perturber le rendu, on interfère pas avec le binding déjà présent
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GLuint previous;
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glGetIntegerv(NzOpenGL::BufferTargetBinding[m_type], reinterpret_cast<GLint*>(&previous));
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if (previous != m_buffer)
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glBindBuffer(NzOpenGL::BufferTarget[m_type], m_buffer);
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void* ptr = mapBuffer(m_type, access, offset, size);
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// Inutile de rebinder s'il n'y avait aucun buffer (Optimise les opérrations chaînées)
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if (previous != m_buffer && previous != 0)
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glBindBuffer(NzOpenGL::BufferTarget[m_type], previous);
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return ptr;
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}
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bool NzHardwareBuffer::Unmap()
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{
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NzContext::EnsureContext();
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GLuint previous;
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glGetIntegerv(NzOpenGL::BufferTargetBinding[m_type], reinterpret_cast<GLint*>(&previous));
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if (previous != m_buffer)
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glBindBuffer(NzOpenGL::BufferTarget[m_type], m_buffer);
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if (glUnmapBuffer(NzOpenGL::BufferTarget[m_type]) != GL_TRUE)
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{
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// Une erreur rare est survenue, nous devons réinitialiser le buffer
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NazaraError("Failed to unmap buffer, reinitialising content... (OpenGL error : 0x" + NzString::Number(glGetError(), 16) + ')');
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glBufferData(NzOpenGL::BufferTarget[m_type], m_parent->GetSize(), nullptr, NzOpenGL::BufferUsage[m_parent->GetStorage()]);
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// Inutile de rebinder s'il n'y avait aucun buffer (Optimise les opérations chaînées)
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if (previous != m_buffer && previous != 0)
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glBindBuffer(NzOpenGL::BufferTarget[m_type], previous);
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return false;
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}
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// Inutile de rebinder s'il n'y avait aucun buffer (Optimise les opérations chaînées)
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if (previous != m_buffer && previous != 0)
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glBindBuffer(NzOpenGL::BufferTarget[m_type], previous);
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return true;
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}
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// Copyright (C) 2012 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Renderer module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Renderer/OpenGL.hpp>
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#include <Nazara/Renderer/HardwareBuffer.hpp>
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#include <Nazara/Core/Error.hpp>
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#include <Nazara/Renderer/Context.hpp>
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#include <cstring>
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#include <stdexcept>
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#include <Nazara/Renderer/Debug.hpp>
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namespace
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{
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using LockRoutine = nzUInt8* (*)(nzBufferType type, nzBufferAccess access, unsigned int offset, unsigned int size);
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nzUInt8* LockBuffer(nzBufferType type, nzBufferAccess access, unsigned int offset, unsigned int size)
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{
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NazaraUnused(size);
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if (access == nzBufferAccess_DiscardAndWrite)
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{
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GLint bufSize;
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glGetBufferParameteriv(NzOpenGL::BufferTargetBinding[type], GL_BUFFER_SIZE, &bufSize);
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GLint bufUsage;
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glGetBufferParameteriv(NzOpenGL::BufferTargetBinding[type], GL_BUFFER_USAGE, &bufUsage);
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// On discard le buffer
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glBufferData(NzOpenGL::BufferTargetBinding[type], bufSize, nullptr, bufUsage);
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}
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void* ptr = glMapBuffer(NzOpenGL::BufferTarget[type], NzOpenGL::BufferLock[access]);
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if (ptr)
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return reinterpret_cast<nzUInt8*>(ptr) + offset;
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else
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return nullptr;
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}
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nzUInt8* LockBufferRange(nzBufferType type, nzBufferAccess access, unsigned int offset, unsigned int size)
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{
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return reinterpret_cast<nzUInt8*>(glMapBufferRange(NzOpenGL::BufferTarget[type], offset, size, NzOpenGL::BufferLockRange[access]));
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}
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nzUInt8* LockBufferFirstRun(nzBufferType type, nzBufferAccess access, unsigned int offset, unsigned int size);
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LockRoutine mapBuffer = LockBufferFirstRun;
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nzUInt8* LockBufferFirstRun(nzBufferType type, nzBufferAccess access, unsigned int offset, unsigned int size)
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{
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if (glMapBufferRange)
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mapBuffer = LockBufferRange;
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else
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mapBuffer = LockBuffer;
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return mapBuffer(type, access, offset, size);
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}
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}
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NzHardwareBuffer::NzHardwareBuffer(NzBuffer* parent, nzBufferType type) :
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m_type(type),
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m_parent(parent)
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{
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}
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NzHardwareBuffer::~NzHardwareBuffer()
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{
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}
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void NzHardwareBuffer::Bind()
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{
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#ifdef NAZARA_DEBUG
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if (NzContext::GetCurrent() == nullptr)
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{
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NazaraError("No active context");
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return;
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}
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#endif
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glBindBuffer(NzOpenGL::BufferTarget[m_type], m_buffer);
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}
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bool NzHardwareBuffer::Create(unsigned int size, nzBufferUsage usage)
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{
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NzContext::EnsureContext();
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m_buffer = 0;
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glGenBuffers(1, &m_buffer);
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GLint previous;
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glGetIntegerv(NzOpenGL::BufferTargetBinding[m_type], &previous);
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glBindBuffer(NzOpenGL::BufferTarget[m_type], m_buffer);
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glBufferData(NzOpenGL::BufferTarget[m_type], size, nullptr, NzOpenGL::BufferUsage[usage]);
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// Pour ne pas perturber le rendu, on interfère pas avec le binding déjà présent
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if (previous != 0)
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glBindBuffer(NzOpenGL::BufferTarget[m_type], previous);
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return true;
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}
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void NzHardwareBuffer::Destroy()
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{
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NzContext::EnsureContext();
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glDeleteBuffers(1, &m_buffer);
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}
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bool NzHardwareBuffer::Fill(const void* data, unsigned int offset, unsigned int size)
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{
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NzContext::EnsureContext();
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GLuint previous;
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glGetIntegerv(NzOpenGL::BufferTargetBinding[m_type], reinterpret_cast<GLint*>(&previous));
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if (previous != m_buffer)
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glBindBuffer(NzOpenGL::BufferTarget[m_type], m_buffer);
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// Il semblerait que glBuffer(Sub)Data soit plus performant que glMapBuffer(Range) en dessous d'un certain seuil
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// http://www.stevestreeting.com/2007/03/17/glmapbuffer-vs-glbuffersubdata-the-return/
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if (size < 32*1024)
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{
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// http://www.opengl.org/wiki/Vertex_Specification_Best_Practices
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if (size == m_parent->GetSize())
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glBufferData(NzOpenGL::BufferTarget[m_type], m_parent->GetSize(), nullptr, NzOpenGL::BufferUsage[m_parent->GetUsage()]); // Discard
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glBufferSubData(NzOpenGL::BufferTarget[m_type], offset, size, data);
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}
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else
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{
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nzUInt8* ptr = mapBuffer(m_type, (size == m_parent->GetSize()) ? nzBufferAccess_DiscardAndWrite : nzBufferAccess_WriteOnly, offset, size);
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if (!ptr)
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{
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NazaraError("Failed to map buffer");
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return false;
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}
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std::memcpy(ptr, data, size);
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if (glUnmapBuffer(NzOpenGL::BufferTarget[m_type]) != GL_TRUE)
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{
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// Une erreur rare est survenue, nous devons réinitialiser le buffer
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NazaraError("Failed to unmap buffer, reinitialising content... (OpenGL error : 0x" + NzString::Number(glGetError(), 16) + ')');
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glBufferData(NzOpenGL::BufferTarget[m_type], m_parent->GetSize(), nullptr, NzOpenGL::BufferUsage[m_parent->GetStorage()]);
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return false;
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}
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}
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// Inutile de rebinder s'il n'y avait aucun buffer (Optimise les opérations chaînées)
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if (previous != m_buffer && previous != 0)
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glBindBuffer(NzOpenGL::BufferTarget[m_type], previous);
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return true;
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}
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void* NzHardwareBuffer::GetPointer()
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{
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return nullptr;
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}
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bool NzHardwareBuffer::IsHardware() const
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{
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return true;
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}
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void* NzHardwareBuffer::Map(nzBufferAccess access, unsigned int offset, unsigned int size)
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{
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NzContext::EnsureContext();
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// Pour ne pas perturber le rendu, on interfère pas avec le binding déjà présent
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GLuint previous;
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glGetIntegerv(NzOpenGL::BufferTargetBinding[m_type], reinterpret_cast<GLint*>(&previous));
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if (previous != m_buffer)
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glBindBuffer(NzOpenGL::BufferTarget[m_type], m_buffer);
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void* ptr = mapBuffer(m_type, access, offset, size);
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// Inutile de rebinder s'il n'y avait aucun buffer (Optimise les opérrations chaînées)
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if (previous != m_buffer && previous != 0)
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glBindBuffer(NzOpenGL::BufferTarget[m_type], previous);
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return ptr;
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}
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bool NzHardwareBuffer::Unmap()
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{
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NzContext::EnsureContext();
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GLuint previous;
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glGetIntegerv(NzOpenGL::BufferTargetBinding[m_type], reinterpret_cast<GLint*>(&previous));
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if (previous != m_buffer)
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glBindBuffer(NzOpenGL::BufferTarget[m_type], m_buffer);
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if (glUnmapBuffer(NzOpenGL::BufferTarget[m_type]) != GL_TRUE)
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{
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// Une erreur rare est survenue, nous devons réinitialiser le buffer
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NazaraError("Failed to unmap buffer, reinitialising content... (OpenGL error : 0x" + NzString::Number(glGetError(), 16) + ')');
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glBufferData(NzOpenGL::BufferTarget[m_type], m_parent->GetSize(), nullptr, NzOpenGL::BufferUsage[m_parent->GetStorage()]);
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// Inutile de rebinder s'il n'y avait aucun buffer (Optimise les opérations chaînées)
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if (previous != m_buffer && previous != 0)
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glBindBuffer(NzOpenGL::BufferTarget[m_type], previous);
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return false;
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}
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// Inutile de rebinder s'il n'y avait aucun buffer (Optimise les opérations chaînées)
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if (previous != m_buffer && previous != 0)
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glBindBuffer(NzOpenGL::BufferTarget[m_type], previous);
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return true;
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}
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