void AfterPresentSurfaceGLES(EAGLSurfaceDesc* surface)
{
if(surface->use32bitColor != UnityUse32bitDisplayBuffer())
{
surface->use32bitColor = UnityUse32bitDisplayBuffer();
CreateSurfaceGLES(surface);
GLES_CHK( glBindRenderbufferOES(GL_RENDERBUFFER_OES, surface->renderbuffer) );
}
#if GL_APPLE_framebuffer_multisample
if (_supportsMSAA)
{
const int desiredMSAASamples = UnityGetDesiredMSAASampleCount(MSAA_DEFAULT_SAMPLE_COUNT);
if (surface->msaaSamples != desiredMSAASamples)
{
surface->msaaSamples = desiredMSAASamples;
CreateSurfaceMultisampleBuffersGLES(surface);
GLES_CHK( glBindRenderbufferOES(GL_RENDERBUFFER_OES, surface->renderbuffer) );
}
if (surface->msaaSamples > 1)
{
UNITY_DBG_LOG (" glBindFramebufferOES (GL_FRAMEBUFFER_OES, %i); // PresentSurface\n", surface->msaaFramebuffer);
GLES_CHK( glBindFramebufferOES(GL_FRAMEBUFFER_OES, surface->msaaFramebuffer) );
gDefaultFBO = surface->msaaFramebuffer;
}
}
#endif
}
void Screen::CreateHardwareSurfaces()
{
glGenFramebuffersOES(1, &frameBuffer);
glGenRenderbuffersOES(1, &renderBuffer);
glBindFramebufferOES(GL_FRAMEBUFFER_OES, frameBuffer);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, renderBuffer);
iphPrepareGLContext();
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, GL_RENDERBUFFER_OES, renderBuffer);
glGetRenderbufferParameterivOES(GL_RENDERBUFFER_OES, GL_RENDERBUFFER_WIDTH_OES, &iWidth);
glGetRenderbufferParameterivOES(GL_RENDERBUFFER_OES, GL_RENDERBUFFER_HEIGHT_OES, &iHeight);
#if SEED_ENABLE_DEPTH_TEST
glGenRenderbuffersOES(1, &depthRenderbuffer);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, depthRenderbuffer);
glRenderbufferStorageOES(GL_RENDERBUFFER_OES, GL_DEPTH_COMPONENT16_OES, iWidth, iHeight);
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES, GL_RENDERBUFFER_OES, depthRenderbuffer);
#endif // SEED_ENABLE_DEPTH_TEST
if (iMode == LANDSCAPE || iMode == LANDSCAPE_GOOFY)
{
this->iModeWidth = this->iHeight;
this->iModeHeight = this->iWidth;
}
else
{
this->iModeWidth = this->iHeight;
this->iModeHeight = this->iWidth;
}
}
void OpenGLES1RenderManager::_generateOpenglBuffers()
{
#ifdef AURORA_IOS
// Create & bind the color buffer so that the caller can allocate its space.
glGenRenderbuffersOES(1, &m_colorRenderbuffer);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, m_colorRenderbuffer);
// Create the depth buffer.
glGenRenderbuffersOES(1, &m_depthRenderbuffer);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, m_depthRenderbuffer);
glRenderbufferStorageOES(GL_RENDERBUFFER_OES,GL_DEPTH_COMPONENT16_OES,_width,_height);
// Create the framebuffer object; attach the depth and color buffers.
glGenFramebuffersOES(1, &m_framebuffer);
glBindFramebufferOES(GL_FRAMEBUFFER_OES, m_framebuffer);
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES,
GL_COLOR_ATTACHMENT0_OES,
GL_RENDERBUFFER_OES,
m_colorRenderbuffer);
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES,
GL_DEPTH_ATTACHMENT_OES,
GL_RENDERBUFFER_OES,
m_depthRenderbuffer);
// Bind the color buffer for rendering.
glBindRenderbufferOES(GL_RENDERBUFFER_OES, m_colorRenderbuffer);
#endif
}
void CreateSurfaceGLES(EAGLSurfaceDesc* surface)
{
GLuint oldRenderbuffer;
GLES_CHK( glGetIntegerv(GL_RENDERBUFFER_BINDING_OES, (GLint *) &oldRenderbuffer) );
DestroySurfaceGLES(surface);
InitEAGLLayer(surface->eaglLayer, surface->use32bitColor);
GLES_CHK( glGenRenderbuffersOES(1, &surface->renderbuffer) );
GLES_CHK( glBindRenderbufferOES(GL_RENDERBUFFER_OES, surface->renderbuffer) );
if( !AllocateRenderBufferStorageFromEAGLLayer(surface->eaglLayer) )
{
GLES_CHK( glDeleteRenderbuffersOES(1, &surface->renderbuffer) );
GLES_CHK( glBindRenderbufferOES(GL_RENDERBUFFER_BINDING_OES, oldRenderbuffer) );
printf_console("FAILED allocating render buffer storage from gles context\n");
return;
}
GLES_CHK( glGenFramebuffersOES(1, &surface->framebuffer) );
UNITY_DBG_LOG ("glBindFramebufferOES(GL_FRAMEBUFFER_OES, %d) :: AppCtrl\n", surface->framebuffer);
GLES_CHK( glBindFramebufferOES(GL_FRAMEBUFFER_OES, surface->framebuffer) );
gDefaultFBO = surface->framebuffer;
UNITY_DBG_LOG ("glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, GL_RENDERBUFFER_OES, %d) :: AppCtrl\n", surface->renderbuffer);
GLES_CHK( glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, GL_RENDERBUFFER_OES, surface->renderbuffer) );
CreateSurfaceMultisampleBuffersGLES(surface);
}
void DestroySurfaceGLES(EAGLSurfaceDesc* surface)
{
if( surface->systemRenderbuffer )
{
GLES_CHK( glBindRenderbufferOES(GL_RENDERBUFFER_OES, surface->systemRenderbuffer) );
DeallocateRenderBufferStorageFromEAGLLayer();
GLES_CHK( glBindRenderbufferOES(GL_RENDERBUFFER_OES, 0) );
GLES_CHK( glDeleteRenderbuffersOES(1, &surface->systemRenderbuffer) );
surface->systemRenderbuffer = 0;
}
if( surface->systemFramebuffer )
{
GLES_CHK( glDeleteFramebuffersOES(1, &surface->systemFramebuffer) );
surface->systemFramebuffer = 0;
}
DestroyRenderingSurfaceGLES(surface);
if(surface->depthbuffer)
{
GLES_CHK( glDeleteRenderbuffersOES(1, &surface->depthbuffer) );
surface->depthbuffer = 0;
}
}
/** Try a certain FBO format, and return the status. Also sets mDepthRB and mStencilRB.
@returns true if this combo is supported
false if this combo is not supported
*/
GLuint GLESFBOManager::_tryFormat(GLenum depthFormat, GLenum stencilFormat)
{
GLuint status, depthRB = 0, stencilRB = 0;
if(depthFormat != GL_NONE)
{
/// Generate depth renderbuffer
glGenRenderbuffersOES(1, &depthRB);
/// Bind it to FBO
glBindRenderbufferOES(GL_RENDERBUFFER_OES, depthRB);
/// Allocate storage for depth buffer
glRenderbufferStorageOES(GL_RENDERBUFFER_OES, depthFormat,
PROBE_SIZE, PROBE_SIZE);
/// Attach depth
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES,
GL_RENDERBUFFER_OES, depthRB);
}
// Stencil buffers aren't available on iPhone
if(stencilFormat != GL_NONE)
{
/// Generate stencil renderbuffer
glGenRenderbuffersOES(1, &stencilRB);
/// Bind it to FBO
glBindRenderbufferOES(GL_RENDERBUFFER_OES, stencilRB);
/// Allocate storage for stencil buffer
glRenderbufferStorageOES(GL_RENDERBUFFER_OES, stencilFormat,
PROBE_SIZE, PROBE_SIZE);
/// Attach stencil
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_STENCIL_ATTACHMENT_OES,
GL_RENDERBUFFER_OES, stencilRB);
}
status = glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES);
/// If status is negative, clean up
// Detach and destroy
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES, GL_RENDERBUFFER_OES, 0);
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_STENCIL_ATTACHMENT_OES, GL_RENDERBUFFER_OES, 0);
if (depthRB)
glDeleteRenderbuffersOES(1, &depthRB);
if (stencilRB)
glDeleteRenderbuffersOES(1, &stencilRB);
return status == GL_FRAMEBUFFER_COMPLETE_OES;
}
void CreateSurfaceMultisampleBuffersGLES(EAGLSurfaceDesc* surface)
{
UNITY_DBG_LOG ("CreateSurfaceMultisampleBuffers: samples=%i\n", surface->msaaSamples);
GLES_CHK( glBindRenderbufferOES(GL_RENDERBUFFER_OES, surface->renderbuffer) );
UNITY_DBG_LOG ("glBindFramebufferOES(GL_FRAMEBUFFER_OES, %d) :: AppCtrl\n", surface->framebuffer);
GLES_CHK( glBindFramebufferOES(GL_FRAMEBUFFER_OES, surface->framebuffer) );
gDefaultFBO = surface->framebuffer;
DestroySurfaceMultisampleBuffersGLES(surface);
GLES_CHK( glBindRenderbufferOES(GL_RENDERBUFFER_OES, surface->renderbuffer) );
UNITY_DBG_LOG ("glBindFramebufferOES(GL_FRAMEBUFFER_OES, %d) :: AppCtrl\n", surface->framebuffer);
GLES_CHK( glBindFramebufferOES(GL_FRAMEBUFFER_OES, surface->framebuffer) );
#if GL_APPLE_framebuffer_multisample
if(surface->msaaSamples > 1)
{
GLES_CHK( glGenRenderbuffersOES(1, &surface->msaaRenderbuffer) );
GLES_CHK( glBindRenderbufferOES(GL_RENDERBUFFER_OES, surface->msaaRenderbuffer) );
GLES_CHK( glGenFramebuffersOES(1, &surface->msaaFramebuffer) );
UNITY_DBG_LOG ("glBindFramebufferOES(GL_FRAMEBUFFER_OES, %d) :: AppCtrl\n", surface->msaaFramebuffer);
GLES_CHK( glBindFramebufferOES(GL_FRAMEBUFFER_OES, surface->msaaFramebuffer) );
gDefaultFBO = surface->msaaFramebuffer;
GLES_CHK( glRenderbufferStorageMultisampleAPPLE(GL_RENDERBUFFER_OES, surface->msaaSamples, surface->format, surface->w, surface->h) );
GLES_CHK( glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, GL_RENDERBUFFER_OES, surface->msaaRenderbuffer) );
if(surface->depthFormat)
{
GLES_CHK( glGenRenderbuffersOES(1, &surface->msaaDepthbuffer) );
GLES_CHK( glBindRenderbufferOES(GL_RENDERBUFFER_OES, surface->msaaDepthbuffer) );
GLES_CHK( glRenderbufferStorageMultisampleAPPLE(GL_RENDERBUFFER_OES, surface->msaaSamples, GL_DEPTH_COMPONENT16_OES, surface->w, surface->h) );
GLES_CHK( glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES, GL_RENDERBUFFER_OES, surface->msaaDepthbuffer) );
}
}
else
#endif
{
if(surface->depthFormat)
{
GLES_CHK( glGenRenderbuffersOES(1, &surface->depthbuffer) );
GLES_CHK( glBindRenderbufferOES(GL_RENDERBUFFER_OES, surface->depthbuffer) );
GLES_CHK( glRenderbufferStorageOES(GL_RENDERBUFFER_OES, surface->depthFormat, surface->w, surface->h) );
UNITY_DBG_LOG ("glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES, GL_RENDERBUFFER_OES, %d) :: AppCtrl\n", surface->depthbuffer);
GLES_CHK( glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES, GL_RENDERBUFFER_OES, surface->depthbuffer) );
}
}
}
inline void VL_glBindRenderbuffer(GLenum target, GLuint renderbuffer)
{
if (glBindRenderbufferOES)
glBindRenderbufferOES(target, renderbuffer);
else
VL_TRAP();
}
/** Try a certain packed depth/stencil format, and return the status.
@returns true if this combo is supported
false if this combo is not supported
*/
bool GLESFBOManager::_tryPackedFormat(GLenum packedFormat)
{
GLuint packedRB;
/// Generate renderbuffer
glGenRenderbuffersOES(1, &packedRB);
/// Bind it to FBO
glBindRenderbufferOES(GL_RENDERBUFFER_OES, packedRB);
/// Allocate storage for buffer
glRenderbufferStorageOES(GL_RENDERBUFFER_OES, packedFormat, PROBE_SIZE, PROBE_SIZE);
/// Attach depth
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES,
GL_RENDERBUFFER_OES, packedRB);
/// Attach stencil
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_STENCIL_ATTACHMENT_OES,
GL_RENDERBUFFER_OES, packedRB);
GLuint status = glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES);
/// Detach and destroy
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES, GL_RENDERBUFFER_OES, 0);
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_STENCIL_ATTACHMENT_OES, GL_RENDERBUFFER_OES, 0);
glDeleteRenderbuffersOES(1, &packedRB);
return status == GL_FRAMEBUFFER_COMPLETE_OES;
}
RenderingEngine::RenderingEngine()
{
#ifndef MACOSX
glGenRenderbuffersOES(1, &m_colorRenderbuffer);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, m_colorRenderbuffer);
#endif
}
void GLES11RenderEngine::bindImageAsFramebuffer(EGLImageKHR image,
uint32_t* texName, uint32_t* fbName, uint32_t* status,
bool useReadPixels, int reqWidth, int reqHeight) {
GLuint tname, name;
if (!useReadPixels) {
// turn our EGLImage into a texture
glGenTextures(1, &tname);
glBindTexture(GL_TEXTURE_2D, tname);
glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, (GLeglImageOES)image);
// create a Framebuffer Object to render into
glGenFramebuffersOES(1, &name);
glBindFramebufferOES(GL_FRAMEBUFFER_OES, name);
glFramebufferTexture2DOES(GL_FRAMEBUFFER_OES,
GL_COLOR_ATTACHMENT0_OES, GL_TEXTURE_2D, tname, 0);
} else {
// since we're going to use glReadPixels() anyways,
// use an intermediate renderbuffer instead
glGenRenderbuffersOES(1, &tname);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, tname);
glRenderbufferStorageOES(GL_RENDERBUFFER_OES, GL_RGBA8_OES, reqWidth, reqHeight);
// create a FBO to render into
glGenFramebuffersOES(1, &name);
glBindFramebufferOES(GL_FRAMEBUFFER_OES, name);
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, GL_RENDERBUFFER_OES, tname);
}
*status = glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES);
*texName = tname;
*fbName = name;
}
RenderingEngine::RenderingEngine(IResourceManager* resourceManager)
{
m_resourceManager = resourceManager;
m_offset = 0;
glGenRenderbuffersOES(1, &m_colorRenderbuffer);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, m_colorRenderbuffer);
}
OpenGLRTTexture::OpenGLRTTexture(unsigned int _texture, int width, int height) :
mTextureID(_texture),
mWidth(width),
mHeight(height),
mFBOID(0),
mRBOID(0)
{
int miplevel = 0;
glBindTexture(GL_TEXTURE_2D, mTextureID);
//glGetTexLevelParameteriv(GL_TEXTURE_2D, miplevel, GL_TEXTURE_WIDTH, &mWidth); // Unsupported by OpenGL ES, using param
//glGetTexLevelParameteriv(GL_TEXTURE_2D, miplevel, GL_TEXTURE_HEIGHT, &mHeight); // Unsupported by OpenGL ES, using param
glBindTexture(GL_TEXTURE_2D, 0);
mRenderTargetInfo.maximumDepth = 1.0f;
mRenderTargetInfo.hOffset = 0;
mRenderTargetInfo.vOffset = 0;
mRenderTargetInfo.aspectCoef = float(mHeight) / float(mWidth);
mRenderTargetInfo.pixScaleX = 1.0f / float(mWidth);
mRenderTargetInfo.pixScaleY = 1.0f / float(mHeight);
// create a framebuffer object, you need to delete them when program exits.
glGenFramebuffersOES(1, &mFBOID);
glBindFramebufferOES(GL_FRAMEBUFFER_OES, mFBOID);
// create a renderbuffer object to store depth info
// NOTE: A depth renderable image should be attached the FBO for depth test.
// If we don't attach a depth renderable image to the FBO, then
// the rendering output will be corrupted because of missing depth test.
// If you also need stencil test for your rendering, then you must
// attach additional image to the stencil attachement point, too.
glGenRenderbuffersOES(1, &mRBOID);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, mRBOID);
glRenderbufferStorageOES(GL_RENDERBUFFER_OES, GL_DEPTH_COMPONENT16_OES, mWidth, mHeight);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, 0);
// attach a texture to FBO color attachement point
glFramebufferTexture2DOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, GL_TEXTURE_2D, mTextureID, 0);
// attach a renderbuffer to depth attachment point
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES, GL_RENDERBUFFER_OES, mRBOID);
glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0);
}
void EJCanvasContextScreen::present()
{
glViewport(0, 0, viewportWidth, viewportHeight);
#ifdef _WINDOWS
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0 );
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0 );
#else
glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0 );
glBindRenderbufferOES(GL_RENDERBUFFER_OES, 0 );
#endif
// [self flushBuffers];
EJCanvasContext::flushBuffers();
if( msaaEnabled ) {
#ifdef _WINDOWS
//Bind the MSAA and View frameBuffers and resolve
glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, msaaFrameBuffer);
glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, viewFrameBuffer);
//glResolveMultisampleFramebufferAPPLE();
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, viewRenderBuffer);
// [[EJApp instance].glContext presentRenderbuffer:GL_RENDERBUFFER];
// EJApp::instance()->glContext->presentRenderbuffer(GL_RENDERBUFFER_OES);
// presentRenderbuffer(GL_RENDERBUFFER_OES);
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, msaaFrameBuffer);
#else
//Bind the MSAA and View frameBuffers and resolve
glBindFramebufferOES(GL_FRAMEBUFFER_OES, msaaFrameBuffer);
glBindFramebufferOES(GL_FRAMEBUFFER_OES, viewFrameBuffer);
// glResolveMultisampleFramebufferAPPLE();
glBindRenderbufferOES(GL_RENDERBUFFER_OES, viewRenderBuffer);
// [[EJApp instance].glContext presentRenderbuffer:GL_RENDERBUFFER];
// EJApp::instance()->glContext->presentRenderbuffer(GL_RENDERBUFFER_OES);
// presentRenderbuffer(GL_RENDERBUFFER_OES);
glBindFramebufferOES(GL_FRAMEBUFFER_OES, msaaFrameBuffer);
#endif
}
else {
}
}
void RenderES1::setViewPort(int width, int height)
{
glGenRenderbuffersOES(1, &_render_buffer);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, _render_buffer);
//
glGenFramebuffersOES(1, &_frame_buffer);
glBindFramebufferOES(GL_FRAMEBUFFER_OES, _frame_buffer);
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, GL_RENDERBUFFER_OES, _render_buffer);
glViewport(0, 0, width, height);
}
void GLESStateCacheManagerImp::bindGLBuffer(GLenum target, GLuint buffer, GLenum attach, bool force)
{
// Update GL
if(target == GL_FRAMEBUFFER_OES)
glBindFramebufferOES(target, buffer);
else if(target == GL_RENDERBUFFER_OES)
glBindRenderbufferOES(target, buffer);
else
glBindBuffer(target, buffer);
GL_CHECK_ERROR
}
void DestroySurfaceGLES(EAGLSurfaceDesc* surface)
{
if( surface->renderbuffer )
{
GLES_CHK( glBindRenderbufferOES(GL_RENDERBUFFER_OES, surface->renderbuffer) );
DeallocateRenderBufferStorageFromEAGLLayer();
GLES_CHK( glBindRenderbufferOES(GL_RENDERBUFFER_OES, 0) );
GLES_CHK( glDeleteRenderbuffersOES(1, &surface->renderbuffer) );
surface->renderbuffer = 0;
}
if( surface->framebuffer )
{
GLES_CHK( glDeleteFramebuffersOES(1, &surface->framebuffer) );
surface->framebuffer = 0;
}
DestroySurfaceMultisampleBuffersGLES(surface);
}
void EJCanvasContext::create()
{
#ifdef _WINDOWS
if( msaaEnabled ) {
glGenFramebuffersEXT(1, &msaaFrameBuffer);
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, msaaFrameBuffer);
glGenRenderbuffersEXT(1, &msaaRenderBuffer);
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, msaaRenderBuffer);
//glRenderbufferStorageMultisampleIMG(GL_RENDERBUFFER, msaaSamples, GL_RGBA8, bufferWidth, bufferHeight);
glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER_EXT, msaaRenderBuffer);
}
glGenFramebuffersEXT(1, &viewFrameBuffer);
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, viewFrameBuffer);
glGenRenderbuffersEXT(1, &viewRenderBuffer);
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, viewRenderBuffer);
#else
if( msaaEnabled ) {
glGenFramebuffersOES(1, &msaaFrameBuffer);
glBindFramebufferOES(GL_FRAMEBUFFER_OES, msaaFrameBuffer);
glGenRenderbuffersOES(1, &msaaRenderBuffer);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, msaaRenderBuffer);
//glRenderbufferStorageMultisampleIMG(GL_RENDERBUFFER_OES, msaaSamples, GL_RGBA8_OES, bufferWidth, bufferHeight);
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, GL_RENDERBUFFER_OES, msaaRenderBuffer);
}
glGenFramebuffersOES(1, &viewFrameBuffer);
glBindFramebufferOES(GL_FRAMEBUFFER_OES, viewFrameBuffer);
glGenRenderbuffersOES(1, &viewRenderBuffer);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, viewRenderBuffer);
#endif
}
GL11Renderer::GL11Renderer() :
m_framebuffer( 0 ),
m_colorRenderbuffer( 0 ),
m_depthRenderbuffer( 0 ),
m_snowTextureId( 0 ),
m_vertexBufferId( 0 ),
m_colorBufferId( 0 ),
m_pointSizeBufferId( 0 ),
m_resourceLoader( CreateResourceLoader() )
{
// Create and bind the color buffer so that the caller can allocate its space.
glGenRenderbuffersOES( 1, &m_colorRenderbuffer );
glBindRenderbufferOES( GL_RENDERBUFFER_OES, m_colorRenderbuffer );
}
static bool
try_as_render_buffer(EGLImageKHR img)
{
GLuint rbo;
bool res;
glGenRenderbuffersOES(1, &rbo);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, rbo);
glEGLImageTargetRenderbufferStorageOES(GL_RENDERBUFFER_OES, img);
res = piglit_check_gl_error(GL_NO_ERROR);
glDeleteRenderbuffersOES(1, &rbo);
return res;
}
void EJCanvasContext::createStencilBufferOnce()
{
if( stencilBuffer ) { return; }
#ifdef _WINDOWS
glGenRenderbuffersEXT(1, &stencilBuffer);
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, stencilBuffer);
if( msaaEnabled ) {
glRenderbufferStorageMultisample(GL_RENDERBUFFER_EXT, msaaSamples, GL_DEPTH24_STENCIL8, bufferWidth, bufferHeight);
}
else {
glRenderbufferStorage(GL_RENDERBUFFER_EXT, GL_DEPTH24_STENCIL8, bufferWidth, bufferHeight);
}
glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER_EXT, stencilBuffer);
glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER_EXT, stencilBuffer);
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, msaaEnabled ? msaaRenderBuffer : viewRenderBuffer );
#else
glGenRenderbuffersOES(1, &stencilBuffer);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, stencilBuffer);
if( msaaEnabled ) {
//glRenderbufferStorageMultisampleAPPLE(GL_RENDERBUFFER, msaaSamples, GL_DEPTH24_STENCIL8_OES, bufferWidth, bufferHeight);
}
else {
glRenderbufferStorageOES(GL_RENDERBUFFER_OES, GL_DEPTH24_STENCIL8_OES, bufferWidth, bufferHeight);
}
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES, GL_RENDERBUFFER_OES, stencilBuffer);
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_STENCIL_ATTACHMENT_OES, GL_RENDERBUFFER_OES, stencilBuffer);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, msaaEnabled ? msaaRenderBuffer : viewRenderBuffer );
#endif
glClear(GL_STENCIL_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
void GLESStateCacheManagerImp::bindGLBuffer(GLenum target, GLuint buffer, GLenum attach, bool force)
{
GLuint hash = target | (attach << 16);
GLBindingMap::iterator i = mActiveBufferMap.find(hash);
if (i == mActiveBufferMap.end())
{
// Update GL
if(target == GL_FRAMEBUFFER_OES)
glBindFramebufferOES(target, buffer);
else if(target == GL_RENDERBUFFER_OES)
glBindRenderbufferOES(target, buffer);
else
glBindBuffer(target, buffer);
GL_CHECK_ERROR
// Haven't cached this state yet. Insert it into the map
mActiveBufferMap.insert(GLBindingMap::value_type(hash, buffer));
}
else
{
// Update the cached value if needed
if((*i).second != buffer || force)
{
(*i).second = buffer;
// Update GL
if(target == GL_FRAMEBUFFER_OES)
glBindFramebufferOES(target, buffer);
else if(target == GL_RENDERBUFFER_OES)
glBindRenderbufferOES(target, buffer);
else
glBindBuffer(target, buffer);
GL_CHECK_ERROR
}
}
virtual GLenum createFBO(GLuint& framebuffer, GLuint& depthbuffer, GLuint& img, int width, int height)
{
// get currently bound fbo to reset to it later
GLint current_fbo;
glGetIntegerv(GL_FRAMEBUFFER_BINDING_OES, ¤t_fbo);
// generate depth buffer
glGenRenderbuffersOES(1, &depthbuffer);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, depthbuffer);
glRenderbufferStorageOES(GL_RENDERBUFFER_OES, GL_DEPTH_COMPONENT16_OES, width, height);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, 0);
// generate texture save target
glGenTextures(1, &img);
glBindTexture(GL_TEXTURE_2D, img);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8_OES, width, height,
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glBindTexture(GL_TEXTURE_2D, 0);
// create framebuffer
glGenFramebuffersOES(1, &framebuffer);
glBindFramebufferOES(GL_FRAMEBUFFER_OES, framebuffer);
glFramebufferTexture2DOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES,
GL_TEXTURE_2D, img, 0);
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES,
GL_RENDERBUFFER_OES, depthbuffer);
GLenum status = glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES);
// unbind framebuffer
glBindFramebufferOES(GL_FRAMEBUFFER_OES, (GLuint)current_fbo);
return status;
}
void sgTexture::makeRendertarget()
{
if(textype != GL_TEXTURE_2D || fbo != -1)
return;
if(sgRenderer::oglversion > 1)
{
#if defined __IOS__
glGenFramebuffers(1, &fbo);
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
glBindTexture(textype, 0);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texid, 0);
glClear(GL_COLOR_BUFFER_BIT);
glGenRenderbuffers(1, &fbo_depth);
glBindRenderbuffer(GL_RENDERBUFFER, fbo_depth);
// glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8_OES, width, height);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, width, height);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, fbo_depth);
#else
glGenFramebuffersEXT(1, &fbo);
glBindFramebufferEXT(GL_FRAMEBUFFER, fbo);
glBindTexture(textype, 0);
glFramebufferTexture2DEXT(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texid, 0);
glClear(GL_COLOR_BUFFER_BIT);
glGenRenderbuffersEXT(1, &fbo_depth);
glBindRenderbufferEXT(GL_RENDERBUFFER, fbo_depth);
// glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8_OES, width, height);
glRenderbufferStorageEXT(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, width, height);
glFramebufferRenderbufferEXT(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, fbo_depth);
#endif
}else
{
#if defined __IOS__
glGenFramebuffersOES(1, &fbo);
glBindFramebufferOES(GL_FRAMEBUFFER_OES, fbo);
glBindTexture(GL_TEXTURE_2D, 0);
glFramebufferTexture2DOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, GL_TEXTURE_2D, texid, 0);
glGenRenderbuffersOES(1, &fbo_depth);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, fbo_depth);
glRenderbufferStorageOES(GL_RENDERBUFFER_OES, GL_DEPTH_COMPONENT16_OES, width, height);
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES, GL_RENDERBUFFER_OES, fbo_depth);
#endif
}
}
void AfterPresentSurfaceGLES(EAGLSurfaceDesc* surface)
{
if(surface->use32bitColor != UnityUse32bitDisplayBuffer())
{
surface->use32bitColor = UnityUse32bitDisplayBuffer();
CreateSurfaceGLES(surface);
GLES_CHK( glBindRenderbufferOES(GL_RENDERBUFFER_OES, surface->systemRenderbuffer) );
}
if(NeedRecreateRenderingSurfaceGLES(surface))
{
UnityGetRenderingResolution(&surface->targetW, &surface->targetH);
surface->msaaSamples = UnityGetDesiredMSAASampleCount(MSAA_DEFAULT_SAMPLE_COUNT);
CreateRenderingSurfaceGLES(surface);
}
}
FBO *createFBO(s32 width, s32 height, bool hd) {
// save current FBO
FBO *oldFBO = getFBOUsed();
GLuint framebuffer;
GLuint depthRenderbuffer;
width = width;
height = height;
s32 texturePtrId = createTexture(0, 0);
setTexture(texturePtrId, width, height, 3, NULL);
Texture *tex = getTexture(texturePtrId);
// create depth renderbuffer
glGenRenderbuffersOES(1, &depthRenderbuffer);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, depthRenderbuffer);
glRenderbufferStorageOES(GL_RENDERBUFFER_OES, GL_DEPTH_COMPONENT16_OES, width, height);
// bind framebuffer & attach texture
glGenFramebuffersOES(1, &framebuffer);
glBindFramebufferOES(GL_FRAMEBUFFER_OES, framebuffer);
glFramebufferTexture2DOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, GL_TEXTURE_2D, tex->mTextureId, 0);
glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES, GL_RENDERBUFFER_OES, depthRenderbuffer);
// check binding
if (glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES) != GL_FRAMEBUFFER_COMPLETE_OES) {
logError(TAG, "CRITICAL ERROR: FBO no complete");
return 0;
}
// save info into structure
FBO *fbo = (FBO *)malloc(sizeof(FBO));
fbo->mFBO = framebuffer;
fbo->mWidth = width;
fbo->mHeight = height;
fbo->mTexturePtrId = texturePtrId;
fbo->mDepthRenderBuffer = depthRenderbuffer;
// restore FBO
useFBO(oldFBO);
return fbo;
}
//********* GLESRenderBuffer
//-----------------------------------------------------------------------------
GLESRenderBuffer::GLESRenderBuffer(GLenum format, size_t width, size_t height, GLsizei numSamples):
GLESHardwarePixelBuffer(width, height, 1, GLESPixelUtil::getClosestOGREFormat(format, PF_A8R8G8B8),HBU_WRITE_ONLY)
{
mGLInternalFormat = format;
// Generate renderbuffer
glGenRenderbuffersOES(1, &mRenderbufferID);
GL_CHECK_ERROR;
// Bind it to FBO
glBindRenderbufferOES(GL_RENDERBUFFER_OES, mRenderbufferID);
GL_CHECK_ERROR;
// Allocate storage for depth buffer
if (numSamples <= 0)
{
glRenderbufferStorageOES(GL_RENDERBUFFER_OES, format,
width, height);
GL_CHECK_ERROR;
}
}
void EJCanvasContext::prepare()
{
//Bind the frameBuffer and vertexBuffer array
#ifdef _WINDOWS
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, msaaEnabled ? msaaFrameBuffer : viewFrameBuffer );
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, msaaEnabled ? msaaRenderBuffer : viewRenderBuffer );
#else
glBindFramebufferOES(GL_FRAMEBUFFER_OES, msaaEnabled ? msaaFrameBuffer : viewFrameBuffer );
glBindRenderbufferOES(GL_RENDERBUFFER_OES, msaaEnabled ? msaaRenderBuffer : viewRenderBuffer );
#endif
glViewport(0, 0, viewportWidth, viewportHeight);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
#ifdef _WINDOWS
glOrtho(0, width, 0, height, -1, 1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
#else
glOrthof(0, width, 0, height, -1, 1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
#endif
EJCompositeOperation op = state->globalCompositeOperation;
glBlendFunc( EJCompositeOperationFuncs[op].source, EJCompositeOperationFuncs[op].destination );
glDisable(GL_TEXTURE_2D);
currentTexture = NULL;
EJTexture::setSmoothScaling(imageSmoothingEnabled);
bindVertexBuffer();
if( state->clipPath ) {
glDepthFunc(GL_EQUAL);
}
else {
glDepthFunc(GL_ALWAYS);
}
}
void glBindRenderbufferOESLogged(GLenum target, GLuint renderbuffer) {
printf("glBindRenderbufferOES(%s, %u)\n", GLEnumName(target), renderbuffer);
glBindRenderbufferOES(target, renderbuffer);
}
RenderingEngine1::RenderingEngine1()
{
// Create & bind the color buffer so that the caller can allocate its space.
glGenRenderbuffersOES(1, &m_renderbuffer);
glBindRenderbufferOES(GL_RENDERBUFFER_OES, m_renderbuffer);
}