GLES2Renderer::GLES2Renderer(const RendererDesc &desc, const char* assetDir) :
Renderer(DRIVER_GLES2, assetDir), m_platform(SampleFramework::SamplePlatform::platform())
{
m_displayWidth = 0;
m_displayHeight = 0;
m_quadRender = false;
m_viewMatrix = PxMat44::createIdentity();
m_platform->initializeOGLDisplay(desc, m_displayWidth, m_displayHeight);
#if defined RENDERER_ANDROID
glMapBufferOES = (PFNGLMAPBUFFEROESPROC) eglGetProcAddress("glMapBufferOES");
glUnmapBufferOES = (PFNGLUNMAPBUFFEROESPROC) eglGetProcAddress("glUnmapBufferOES");
if (!glMapBufferOES || !glUnmapBufferOES)
{
GLEW_ARB_vertex_buffer_object = false;
}
#endif
checkResize();
RendererColor& clearColor = getClearColor();
glClearColor(clearColor.r/255.0f, clearColor.g/255.0f, clearColor.b/255.0f, clearColor.a/255.0f);
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glFrontFace(GL_CW);
glEnable(GL_DEPTH_TEST);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDepthMask(GL_TRUE);
glDepthFunc(GL_LESS);
}
// clears the offscreen buffers.
void GLES2Renderer::clearBuffers(void)
{
if(begin())
{
glFinish();
GLbitfield glbuf = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT;
//glDepthMask(true);
RendererColor& clearColor = getClearColor();
glClearColor(clearColor.r/255.0f, clearColor.g/255.0f, clearColor.b/255.0f, clearColor.a/255.0f);
glClear(glbuf);
}
end();
}
void IContext::get( VGuint type, VGfloat *fv ) const {
switch ( type ) {
case VG_CLEAR_COLOR:
getClearColor( fv );
break;
case VG_GLYPH_ORIGIN:
getGlyphOrigin( fv );
break;
default:
SetError( VG_ILLEGAL_ARGUMENT_ERROR );
break;
}
}
