void Graphics::init()
{
g_logger.info(stdext::format("GPU %s", glGetString(GL_RENDERER)));
g_logger.info(stdext::format("OpenGL %s", glGetString(GL_VERSION)));
#if defined(WIN32) && defined(DIRECTX)
g_painterDX9 = new PainterDX9;
#endif
#if OPENGL_ES==2
g_painterOGL2 = new PainterOGL2;
#elif OPENGL_ES==1
g_painterOGL1 = new PainterOGL1;
#else
// init GL extensions
GLenum err = glewInit();
if(err != GLEW_OK)
g_logger.fatal(stdext::format("Unable to init GLEW: %s", glewGetErrorString(err)));
// overwrite framebuffer API if needed
if(GLEW_EXT_framebuffer_object && !GLEW_ARB_framebuffer_object) {
glGenFramebuffers = glGenFramebuffersEXT;
glDeleteFramebuffers = glDeleteFramebuffersEXT;
glBindFramebuffer = glBindFramebufferEXT;
glFramebufferTexture2D = glFramebufferTexture2DEXT;
glCheckFramebufferStatus = glCheckFramebufferStatusEXT;
glGenerateMipmap = glGenerateMipmapEXT;
}
// opengl 1 is always supported
g_painterOGL1 = new PainterOGL1;
// opengl 2 is only supported in newer hardware
if(GLEW_VERSION_2_0)
g_painterOGL2 = new PainterOGL2;
#endif
// blending is always enabled
glEnable(GL_BLEND);
// determine max texture size
int maxTextureSize = 0;
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize);
if(m_maxTextureSize == -1 || m_maxTextureSize > maxTextureSize)
m_maxTextureSize = maxTextureSize;
if(Size(m_maxTextureSize,m_maxTextureSize) < g_window.getDisplaySize())
m_cacheBackbuffer = false;
m_alphaBits = 0;
glGetIntegerv(GL_ALPHA_BITS, &m_alphaBits);
m_ok = true;
selectPainterEngine(m_prefferedPainterEngine);
g_textures.init();
g_framebuffers.init();
}
void Graphics::init()
{
logInfo("GPU ", glGetString(GL_RENDERER));
logInfo("OpenGL ", glGetString(GL_VERSION));
#if OPENGL_ES==2
g_painterOGL2 = new PainterOGL2;
#elif OPENGL_ES==1
g_painterOGL1 = new PainterOGL1;
#else
// init GL extensions
GLenum err = glewInit();
if(err != GLEW_OK)
logFatal("Unable to init GLEW: ", glewGetErrorString(err));
// overwrite framebuffer API if needed
if(GLEW_EXT_framebuffer_object && !GLEW_ARB_framebuffer_object) {
glGenFramebuffers = glGenFramebuffersEXT;
glDeleteFramebuffers = glDeleteFramebuffersEXT;
glBindFramebuffer = glBindFramebufferEXT;
glFramebufferTexture2D = glFramebufferTexture2DEXT;
glCheckFramebufferStatus = glCheckFramebufferStatusEXT;
glGenerateMipmap = glGenerateMipmapEXT;
}
// opengl 1 is always supported
g_painterOGL1 = new PainterOGL1;
// opengl 2 is only supported in newer hardware
if(GLEW_VERSION_2_0)
g_painterOGL2 = new PainterOGL2;
#endif
// blending is always enabled
glEnable(GL_BLEND);
// determine max texture size
static GLint maxTextureSize = -1;
if(maxTextureSize == -1)
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize);
if(m_maxTextureSize == -1 || m_maxTextureSize > maxTextureSize)
m_maxTextureSize = maxTextureSize;
selectPainterEngine(m_prefferedPainterEngine);
m_emptyTexture = TexturePtr(new Texture);
}
