mirror of https://github.com/PCSX2/pcsx2.git
112 lines
2.8 KiB
C++
112 lines
2.8 KiB
C++
/*
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* Copyright (C) 2007-2009 Gabest
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* http://www.gabest.org
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*
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* This Program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This Program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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*/
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#include "stdafx.h"
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#include "GSTextureOGL.h"
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#include "GSDeviceOGL.h"
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GSTextureOGL::GSTextureOGL(GLuint texture, int type, int width, int height, int format)
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: m_texture(texture)
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{
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m_size.x = width;
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m_size.y = height;
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// TODO: offscreen type should be just a memory array, also returned in Map
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glGenBuffers(1, &m_pbo); GSDeviceOGL::CheckError();
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m_type = type;
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m_format = format;
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}
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GSTextureOGL::~GSTextureOGL()
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{
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if(m_pbo)
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{
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glDeleteBuffers(1, &m_pbo); GSDeviceOGL::CheckError();
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}
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if(m_texture)
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{
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switch(m_type)
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{
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case DepthStencil:
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glDeleteRenderbuffers(1, &m_texture); GSDeviceOGL::CheckError();
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break;
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default:
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glDeleteTextures(1, &m_texture); GSDeviceOGL::CheckError();
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break;
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}
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}
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}
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bool GSTextureOGL::Update(const GSVector4i& r, const void* data, int pitch)
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{
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glBindBuffer(GL_PIXEL_UNPACK_BUFFER, m_pbo); GSDeviceOGL::CheckError();
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int w = r.width();
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int h = r.height();
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int bpp = 32; // TODO: should be in sync with m_format
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int dstpitch = w * bpp >> 3;
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glBufferData(GL_PIXEL_UNPACK_BUFFER, h * dstpitch, NULL, GL_STREAM_DRAW); GSDeviceOGL::CheckError();
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if(uint8* dst = (uint8*)glMapBuffer(GL_PIXEL_UNPACK_BUFFER, GL_WRITE_ONLY))
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{
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uint8* src = (uint8*)data;
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for(int i = 0; i < h; i++, src += pitch, dst += dstpitch)
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{
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memcpy(dst, src, dstpitch);
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}
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glUnmapBuffer(GL_PIXEL_UNPACK_BUFFER); GSDeviceOGL::CheckError();
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}
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glBindTexture(GL_TEXTURE_2D, m_texture); GSDeviceOGL::CheckError();
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glTexSubImage2D(GL_TEXTURE_2D, 0, r.left, r.top, w, h, GL_RGBA, GL_UNSIGNED_BYTE, 0); GSDeviceOGL::CheckError();
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glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0); GSDeviceOGL::CheckError();
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return false;
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}
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bool GSTextureOGL::Map(GSMap& m, const GSVector4i* r)
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{
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// TODO
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return false;
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}
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void GSTextureOGL::Unmap()
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{
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// TODO
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}
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bool GSTextureOGL::Save(const string& fn, bool dds)
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{
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// TODO
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return false;
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}
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