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https://github.com/love2d/love.git
synced 2026-08-16 00:02:12 +02:00
CRLF to LF
This commit is contained in:
Bart van Strien
@@ -1,233 +1,233 @@
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/**
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* Copyright (c) 2006-2012 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#include "VertexBuffer.h"
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#include "common/Exception.h"
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#include "common/config.h"
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#include <cstdlib>
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#include <cstring>
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namespace love
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{
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namespace graphics
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{
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namespace opengl
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{
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// VertexBuffer
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VertexBuffer *VertexBuffer::Create(size_t size, GLenum target, GLenum usage)
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{
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try
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{
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// Try to create a VBO.
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return new VBO(size, target, usage);
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}
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catch(const love::Exception &)
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{
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// VBO not supported ... create regular array.
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return new VertexArray(size, target, usage);
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}
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}
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VertexBuffer::VertexBuffer(size_t size, GLenum target, GLenum usage)
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: size(size)
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, target(target)
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, usage(usage)
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{
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}
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VertexBuffer::~VertexBuffer()
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{
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}
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// VertexArray
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VertexArray::VertexArray(size_t size, GLenum target, GLenum usage)
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: VertexBuffer(size, target, usage)
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, buf(new char[size])
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{
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}
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VertexArray::~VertexArray()
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{
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delete [] buf;
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}
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void *VertexArray::map()
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{
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return buf;
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}
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void VertexArray::unmap()
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{
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}
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void VertexArray::bind()
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{
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}
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void VertexArray::unbind()
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{
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}
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void VertexArray::fill(size_t offset, size_t size, const void *data)
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{
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memcpy(buf + offset, data, size);
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}
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const void *VertexArray::getPointer(size_t offset) const
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{
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return buf + offset;
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}
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// VBO
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VBO::VBO(size_t size, GLenum target, GLenum usage)
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: VertexBuffer(size, target, usage)
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, vbo(0)
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, buffer_copy(0)
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, mapped(0)
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{
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if (!(GLEE_ARB_vertex_buffer_object || GLEE_VERSION_1_5))
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throw love::Exception("Not supported");
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bool ok = load(false);
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if (!ok)
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throw love::Exception("Could not load VBO.");
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}
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VBO::~VBO()
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{
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if (vbo != 0)
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unload(false);
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}
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void *VBO::map()
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{
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// mapping twice could result in memory leaks
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if (mapped)
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throw love::Exception("VBO is already mapped!");
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mapped = malloc(getSize());
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if (!mapped)
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throw love::Exception("Out of memory (oh the humanity!)");
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glGetBufferSubDataARB(getTarget(), 0, getSize(), mapped);
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return mapped;
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}
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void VBO::unmap()
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{
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glBufferSubDataARB(getTarget(), 0, getSize(), mapped);
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free(mapped);
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mapped = 0;
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}
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void VBO::bind()
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{
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glBindBufferARB(getTarget(), vbo);
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}
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void VBO::unbind()
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{
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glBindBufferARB(getTarget(), 0);
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}
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void VBO::fill(size_t offset, size_t size, const void *data)
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{
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if (mapped)
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memcpy(static_cast<char *>(mapped) + offset, data, size);
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else
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glBufferSubDataARB(getTarget(), offset, size, data);
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}
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const void *VBO::getPointer(size_t offset) const
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{
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return reinterpret_cast<const void *>(offset);
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}
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bool VBO::loadVolatile()
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{
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return load(true);
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}
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void VBO::unloadVolatile()
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{
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unload(true);
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}
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bool VBO::load(bool restore)
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{
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glGenBuffersARB(1, &vbo);
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VertexBuffer::Bind bind(*this);
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// Copy the old buffer only if 'restore' was requested.
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const GLvoid *src = restore ? buffer_copy : 0;
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while (GL_NO_ERROR != glGetError())
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/* clear error messages */;
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// Note that if 'src' is '0', no data will be copied.
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glBufferDataARB(getTarget(), getSize(), src, getUsage());
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GLenum err = glGetError();
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// Clean up buffer_copy, if it exists.
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delete[] buffer_copy;
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buffer_copy = 0;
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return (GL_NO_ERROR == err);
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}
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void VBO::unload(bool save)
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{
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// Clean up buffer_copy, if it exists.
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delete[] buffer_copy;
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buffer_copy = 0;
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// Save data before unloading.
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if (save)
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{
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VertexBuffer::Bind bind(*this);
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GLint size;
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glGetBufferParameterivARB(getTarget(), GL_BUFFER_SIZE, &size);
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const char *src = static_cast<char *>(map());
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if (src)
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{
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buffer_copy = new char[size];
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memcpy(buffer_copy, src, size);
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unmap();
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}
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}
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glDeleteBuffers(1, &vbo);
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vbo = 0;
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}
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} // opengl
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} // graphics
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} // love
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/**
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* Copyright (c) 2006-2012 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#include "VertexBuffer.h"
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#include "common/Exception.h"
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#include "common/config.h"
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#include <cstdlib>
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#include <cstring>
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namespace love
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{
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namespace graphics
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{
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namespace opengl
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{
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// VertexBuffer
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VertexBuffer *VertexBuffer::Create(size_t size, GLenum target, GLenum usage)
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{
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try
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{
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// Try to create a VBO.
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return new VBO(size, target, usage);
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}
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catch(const love::Exception &)
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{
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// VBO not supported ... create regular array.
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return new VertexArray(size, target, usage);
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}
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}
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VertexBuffer::VertexBuffer(size_t size, GLenum target, GLenum usage)
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: size(size)
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, target(target)
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, usage(usage)
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{
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}
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VertexBuffer::~VertexBuffer()
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{
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}
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// VertexArray
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VertexArray::VertexArray(size_t size, GLenum target, GLenum usage)
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: VertexBuffer(size, target, usage)
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, buf(new char[size])
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{
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}
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VertexArray::~VertexArray()
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{
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delete [] buf;
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}
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void *VertexArray::map()
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{
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return buf;
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}
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void VertexArray::unmap()
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{
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}
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void VertexArray::bind()
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{
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}
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void VertexArray::unbind()
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{
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}
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void VertexArray::fill(size_t offset, size_t size, const void *data)
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{
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memcpy(buf + offset, data, size);
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}
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const void *VertexArray::getPointer(size_t offset) const
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{
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return buf + offset;
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}
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// VBO
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VBO::VBO(size_t size, GLenum target, GLenum usage)
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: VertexBuffer(size, target, usage)
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, vbo(0)
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, buffer_copy(0)
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, mapped(0)
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{
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if (!(GLEE_ARB_vertex_buffer_object || GLEE_VERSION_1_5))
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throw love::Exception("Not supported");
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bool ok = load(false);
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if (!ok)
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throw love::Exception("Could not load VBO.");
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}
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VBO::~VBO()
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{
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if (vbo != 0)
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unload(false);
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}
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void *VBO::map()
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{
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// mapping twice could result in memory leaks
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if (mapped)
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throw love::Exception("VBO is already mapped!");
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mapped = malloc(getSize());
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if (!mapped)
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throw love::Exception("Out of memory (oh the humanity!)");
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glGetBufferSubDataARB(getTarget(), 0, getSize(), mapped);
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return mapped;
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}
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void VBO::unmap()
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{
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glBufferSubDataARB(getTarget(), 0, getSize(), mapped);
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free(mapped);
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mapped = 0;
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}
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void VBO::bind()
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{
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glBindBufferARB(getTarget(), vbo);
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}
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void VBO::unbind()
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{
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glBindBufferARB(getTarget(), 0);
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}
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void VBO::fill(size_t offset, size_t size, const void *data)
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{
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if (mapped)
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memcpy(static_cast<char *>(mapped) + offset, data, size);
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else
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glBufferSubDataARB(getTarget(), offset, size, data);
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}
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const void *VBO::getPointer(size_t offset) const
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{
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return reinterpret_cast<const void *>(offset);
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}
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bool VBO::loadVolatile()
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{
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return load(true);
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}
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void VBO::unloadVolatile()
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{
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unload(true);
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}
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bool VBO::load(bool restore)
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{
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glGenBuffersARB(1, &vbo);
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VertexBuffer::Bind bind(*this);
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// Copy the old buffer only if 'restore' was requested.
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const GLvoid *src = restore ? buffer_copy : 0;
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while (GL_NO_ERROR != glGetError())
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/* clear error messages */;
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// Note that if 'src' is '0', no data will be copied.
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glBufferDataARB(getTarget(), getSize(), src, getUsage());
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GLenum err = glGetError();
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// Clean up buffer_copy, if it exists.
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delete[] buffer_copy;
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buffer_copy = 0;
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return (GL_NO_ERROR == err);
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}
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void VBO::unload(bool save)
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{
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// Clean up buffer_copy, if it exists.
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delete[] buffer_copy;
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buffer_copy = 0;
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// Save data before unloading.
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if (save)
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{
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VertexBuffer::Bind bind(*this);
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GLint size;
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glGetBufferParameterivARB(getTarget(), GL_BUFFER_SIZE, &size);
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const char *src = static_cast<char *>(map());
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if (src)
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{
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buffer_copy = new char[size];
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memcpy(buffer_copy, src, size);
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unmap();
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}
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}
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glDeleteBuffers(1, &vbo);
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vbo = 0;
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}
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} // opengl
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} // graphics
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} // love
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||||
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Reference in New Issue
Block a user