//----------------------------------------------------------------------------//
OpenGLRenderer::OpenGLRenderer(const TextureTargetType tt_type) :
d_displayDPI(96, 96),
d_initExtraStates(false),
d_activeBlendMode(BM_INVALID)
{
// get rough max texture size
GLint max_tex_size;
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &max_tex_size);
d_maxTextureSize = max_tex_size;
// initialise display size
GLint vp[4];
glGetIntegerv(GL_VIEWPORT, vp);
d_displaySize = Sizef(static_cast<float>(vp[2]), static_cast<float>(vp[3]));
initialiseGLExtensions();
initialiseTextureTargetFactory(tt_type);
// we _really_ need separate rgb/alpha blend modes, if this support is not
// available, add a note to the renderer ID string so that this fact is
// logged.
if (!GLEW_VERSION_1_4 && !GLEW_EXT_blend_func_separate)
d_rendererID += " No glBlendFuncSeparate(EXT) support.";
d_defaultTarget = new OpenGLViewportTarget(*this);
}
//----------------------------------------------------------------------------//
OpenGL3Renderer::OpenGL3Renderer() :
d_displayDPI(96, 96),
d_initExtraStates(false),
d_activeBlendMode(BM_INVALID),
d_shaderStandard(0),
d_viewProjectionMatrix(0),
d_activeRenderTarget(0),
d_openGLStateChanger(0),
d_shaderManager(0)
{
// get rough max texture size
GLint max_tex_size;
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &max_tex_size);
d_maxTextureSize = max_tex_size;
// initialise display size
GLint vp[4];
glGetIntegerv(GL_VIEWPORT, vp);
d_displaySize = Sizef(static_cast<float>(vp[2]), static_cast<float>(vp[3]));
initialiseGLExtensions();
initialiseTextureTargetFactory();
initialiseOpenGLShaders();
d_defaultTarget = new OpenGL3ViewportTarget(*this);
d_openGLStateChanger = new OpenGL3StateChangeWrapper(*this);
d_viewProjectionMatrix = new mat4Pimpl();
}
//----------------------------------------------------------------------------//
OpenGLRenderer::OpenGLRenderer(const TextureTargetType tt_type) :
OpenGLRendererBase(false)
{
initialiseRendererIDString();
initialiseGLExtensions();
initialiseTextureTargetFactory(tt_type);
// we _really_ need separate rgb/alpha blend modes, if this support is not
// available, add a note to the renderer ID string so that this fact is
// logged.
if (!GLEW_VERSION_1_4 && !GLEW_EXT_blend_func_separate)
d_rendererID += " No glBlendFuncSeparate(EXT) support.";
}
//----------------------------------------------------------------------------//
OpenGLRenderer::OpenGLRenderer(const Sizef& display_size,
const TextureTargetType tt_type) :
d_displaySize(display_size),
d_displayDPI(96, 96),
d_initExtraStates(false),
d_activeBlendMode(BM_INVALID)
{
// get rough max texture size
GLint max_tex_size;
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &max_tex_size);
d_maxTextureSize = max_tex_size;
initialiseGLExtensions();
initialiseTextureTargetFactory(tt_type);
d_defaultTarget = new OpenGLViewportTarget(*this);
}
//----------------------------------------------------------------------------//
OpenGL3Renderer::OpenGL3Renderer(const Sizef& display_size) :
d_displaySize(display_size),
d_displayDPI(96, 96),
d_initExtraStates(false),
d_activeBlendMode(BM_INVALID),
d_shaderStandard(0),
d_openGLStateChanger(0),
d_shaderManager(0)
{
// get rough max texture size
GLint max_tex_size;
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &max_tex_size);
d_maxTextureSize = max_tex_size;
initialiseGLExtensions();
initialiseTextureTargetFactory();
initialiseOpenGLShaders();
d_defaultTarget = new OpenGL3ViewportTarget(*this);
d_openGLStateChanger = new OpenGL3StateChangeWrapper(*this);
d_viewProjectionMatrix = new mat4Pimpl();
}