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) );
}
}
}
void ofFbo::updateTexture(int attachmentPoint) {
// TODO: flag to see if this is dirty or not
if(fbo != fboTextures) {
glGetIntegerv( GL_FRAMEBUFFER_BINDING, &savedFramebuffer );
// save current drawbuffer
glPushAttrib(GL_COLOR_BUFFER_BIT);
// save current readbuffer
GLint readBuffer;
glGetIntegerv(GL_READ_BUFFER, &readBuffer);
glBindFramebuffer(GL_READ_FRAMEBUFFER, fbo);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fboTextures);
glDrawBuffer(GL_COLOR_ATTACHMENT0 + attachmentPoint);
glReadBuffer(GL_COLOR_ATTACHMENT0 + attachmentPoint);
#ifndef TARGET_OPENGLES
glBlitFramebuffer(0, 0, settings.width, settings.height, 0, 0, settings.width, settings.height, GL_COLOR_BUFFER_BIT, GL_NEAREST);
#else
glRenderbufferStorageMultisampleAPPLE(); // untested
#endif
glBindFramebuffer(GL_READ_FRAMEBUFFER, savedFramebuffer);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, savedFramebuffer);
glBindFramebuffer( GL_FRAMEBUFFER, savedFramebuffer );
// restore readbuffer
glReadBuffer(readBuffer);
// restore drawbuffer
glPopAttrib();
}
}
void RenderingEngine2::bind_msaa_framebuffer(const GLuint fbo, const GLuint crbo, const GLuint drbo)
{
/* bind multisample framebuffer */
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
/* bind multisample color renderbuffer */
glBindRenderbuffer(GL_RENDERBUFFER, crbo);
glRenderbufferStorageMultisampleAPPLE(GL_RENDERBUFFER, 4, GL_RGBA8_OES, bufferWidth_, bufferHeight_);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, crbo);
/* bind multisample depth buffer */
glBindRenderbuffer(GL_RENDERBUFFER, drbo);
glRenderbufferStorageMultisampleAPPLE(GL_RENDERBUFFER, 4, GL_DEPTH_COMPONENT16, bufferWidth_, bufferHeight_);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, drbo);
assert (glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE);
}
inline void VL_glRenderbufferStorageMultisample( GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height )
{
#ifdef GL_APPLE_framebuffer_multisample
if (glRenderbufferStorageMultisampleAPPLE)
glRenderbufferStorageMultisampleAPPLE(target, samples, internalformat, width, height);
else
#endif
#ifdef GL_IMG_multisampled_render_to_texture
if (glRenderbufferStorageMultisampleIMG)
glRenderbufferStorageMultisampleIMG(target, samples, internalformat, width, height);
else
#endif
#ifdef GL_ANGLE_framebuffer_multisample
if (glRenderbufferStorageMultisampleANGLE)
glRenderbufferStorageMultisampleANGLE(target, samples, internalformat, width, height);
else
#endif
VL_TRAP();
}
void ofFbo::updateTexture(int attachmentPoint) {
// TODO: flag to see if this is dirty or not
if(fbo != fboTextures) {
glGetIntegerv( GL_FRAMEBUFFER_BINDING, &savedFramebuffer );
// save current drawbuffer
glPushAttrib(GL_COLOR_BUFFER_BIT);
// save current readbuffer
GLint readBuffer;
glGetIntegerv(GL_READ_BUFFER, &readBuffer);
glBindFramebuffer(GL_READ_FRAMEBUFFER, fbo);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fboTextures);
glDrawBuffer(GL_COLOR_ATTACHMENT0 + attachmentPoint);
glReadBuffer(GL_COLOR_ATTACHMENT0 + attachmentPoint);
#ifndef TARGET_OPENGLES
glBlitFramebuffer(0, 0, settings.width, settings.height, 0, 0, settings.width, settings.height, GL_COLOR_BUFFER_BIT, GL_NEAREST);
#else
glRenderbufferStorageMultisampleAPPLE(); // untested
#endif
glBindFramebuffer(GL_READ_FRAMEBUFFER, savedFramebuffer);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, savedFramebuffer);
glBindFramebuffer( GL_FRAMEBUFFER, savedFramebuffer );
// restore readbuffer
glReadBuffer(readBuffer);
// restore drawbuffer
glPopAttrib();
}
// HAD TO COMMENT IT OUT BECAUSE THE MACHINE WAS CRASHING
/*if(settings.useMipmapping){
glBindTexture(settings.textureTarget, colorBuffers[attachmentPoint]);
glGenerateMipmap(settings.textureTarget);
}*/
}
void ColorRenderbufferMultisampleRGBA8::CreateStorage(int width, int height) const {
glRenderbufferStorageMultisampleAPPLE(FRAMEBUFFER_OBJECT_RENDERBUFFER, 4, GL_RGBA8_OES, width, height);
CheckError();
}
void RenderScene::SetupStuff() {
GLCALL(glEnable, GL_DEPTH_TEST);
#ifdef PLATFORM_IOS
GLCALL(glGetIntegerv, GL_FRAMEBUFFER_BINDING, &g_default_fbo);
#endif
// Create a frame buffer object:
GLCALL(glGenFramebuffers, 1, &g_depth_fbo_id);
GLCALL(glBindFramebuffer, GL_FRAMEBUFFER, g_depth_fbo_id);
// Create a render buffer
GLCALL(glGenRenderbuffers, 1, &renderBuffer);
GLCALL(glBindRenderbuffer, GL_RENDERBUFFER, renderBuffer);
unsigned int depthMap_width, depthMap_height;
ENGINE->GetShadowMap()->GetDepthMapResolution(depthMap_width, depthMap_height);
// Create a depth texture:
GLCALL(glGenTextures, 1, &ENGINE->GetShadowMap()->depthTexture);
GLCALL(glActiveTexture, GL_TEXTURE2);
GLCALL(glBindTexture, GL_TEXTURE_2D, ENGINE->GetShadowMap()->depthTexture);
GLCALL(glTexImage2D, GL_TEXTURE_2D, 0, GL_RGBA, depthMap_width, depthMap_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
//
GLCALL(glTexParameteri, GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
GLCALL(glTexParameteri, GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
GLCALL(glTexParameteri, GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
GLCALL(glTexParameteri, GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
GLCALL(glFramebufferTexture2D, GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, ENGINE->GetShadowMap()->depthTexture, 0);
// Allocate 16-bit depth buffer
GLCALL(glRenderbufferStorage, GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, depthMap_width, depthMap_height);
// Attach the render buffer as depth buffer - will be ignored
GLCALL(glFramebufferRenderbuffer, GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, renderBuffer);
if(glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) { // GLCALL
ASSERT(0, "Framebuffer OK");
}
#if MULTISAMPLING_ENABLED
//Generate our MSAA Frame and Render buffers
glGenFramebuffers(1, &msaaFramebuffer);
glGenRenderbuffers(1, &msaaRenderBuffer);
//Bind our MSAA buffers
glBindFramebuffer(GL_FRAMEBUFFER, msaaFramebuffer);
glBindRenderbuffer(GL_RENDERBUFFER, msaaRenderBuffer);
unsigned int numSamples = 4;
// Generate the msaaDepthBuffer.
// numSamples will be the number of pixels that the MSAA buffer will use in order to make one pixel on the render buffer.
glRenderbufferStorageMultisampleAPPLE(GL_RENDERBUFFER, numSamples, GL_RGB5_A1, FRAMEWORK->GetDeviceProperties()->GetWidthPixels(), FRAMEWORK->GetDeviceProperties()->GetHeightPixels());
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, msaaRenderBuffer);
glGenRenderbuffers(1, &msaaDepthBuffer);
//Bind the msaa depth buffer.
glBindRenderbuffer(GL_RENDERBUFFER, msaaDepthBuffer);
glRenderbufferStorageMultisampleAPPLE(GL_RENDERBUFFER, numSamples, GL_DEPTH_COMPONENT16, FRAMEWORK->GetDeviceProperties()->GetWidthPixels() , FRAMEWORK->GetDeviceProperties()->GetHeightPixels());
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, msaaDepthBuffer);
#endif
}
void CreateRenderingSurfaceGLES(EAGLSurfaceDesc* surface)
{
gDefaultFBO = surface->systemFramebuffer;
GLES_CHK( glBindFramebufferOES(GL_FRAMEBUFFER_OES, surface->systemFramebuffer) );
GLES_CHK( glBindRenderbufferOES(GL_RENDERBUFFER_OES, surface->systemRenderbuffer) );
DestroyRenderingSurfaceGLES(surface);
GLES_CHK( glBindFramebufferOES(GL_FRAMEBUFFER_OES, surface->systemFramebuffer) );
GLES_CHK( glBindRenderbufferOES(GL_RENDERBUFFER_OES, surface->systemRenderbuffer) );
if( surface->targetW != surface->systemW || surface->targetH != surface->systemH )
{
GLES_CHK( glGenTextures(1, &surface->targetRT) );
GLES_CHK( glBindTexture(GL_TEXTURE_2D, surface->targetRT) );
GLES_CHK( glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GLES_UPSCALE_FILTER) );
GLES_CHK( glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GLES_UPSCALE_FILTER) );
GLES_CHK( glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE) );
GLES_CHK( glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE) );
GLenum fmt = surface->use32bitColor ? GL_RGBA : GL_RGB;
GLenum type = surface->use32bitColor ? GL_UNSIGNED_BYTE : GL_UNSIGNED_SHORT_5_6_5;
GLES_CHK( glTexImage2D(GL_TEXTURE_2D, 0, fmt, surface->targetW, surface->targetH, 0, fmt, type, 0) );
GLES_CHK( glGenFramebuffersOES(1, &surface->targetFramebuffer) );
GLES_CHK( glBindFramebufferOES(GL_FRAMEBUFFER_OES, surface->targetFramebuffer) );
GLES_CHK( glFramebufferTexture2DOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, GL_TEXTURE_2D, surface->targetRT, 0) );
GLES_CHK( glBindTexture(GL_TEXTURE_2D, 0) );
gDefaultFBO = surface->targetFramebuffer;
}
#if GL_APPLE_framebuffer_multisample
if(_supportsMSAA && surface->msaaSamples > 1)
{
GLES_CHK( glGenRenderbuffersOES(1, &surface->msaaRenderbuffer) );
GLES_CHK( glBindRenderbufferOES(GL_RENDERBUFFER_OES, surface->msaaRenderbuffer) );
GLES_CHK( glGenFramebuffersOES(1, &surface->msaaFramebuffer) );
GLES_CHK( glBindFramebufferOES(GL_FRAMEBUFFER_OES, surface->msaaFramebuffer) );
GLES_CHK( glRenderbufferStorageMultisampleAPPLE(GL_RENDERBUFFER_OES, surface->msaaSamples, surface->format, surface->targetW, surface->targetH) );
GLES_CHK( glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, GL_RENDERBUFFER_OES, surface->msaaRenderbuffer) );
gDefaultFBO = surface->msaaFramebuffer;
}
#endif
GLES_CHK( glBindFramebufferOES(GL_FRAMEBUFFER_OES, gDefaultFBO) );
if(surface->depthFormat != 0)
{
GLES_CHK( glGenRenderbuffersOES(1, &surface->depthbuffer) );
GLES_CHK( glBindRenderbufferOES(GL_RENDERBUFFER_OES, surface->depthbuffer) );
bool needMSAA = GL_APPLE_framebuffer_multisample && (surface->msaaSamples > 1);
#if GL_APPLE_framebuffer_multisample
if(needMSAA)
GLES_CHK( glRenderbufferStorageMultisampleAPPLE(GL_RENDERBUFFER_OES, surface->msaaSamples, surface->depthFormat, surface->targetW, surface->targetH) );
#endif
if(!needMSAA)
GLES_CHK( glRenderbufferStorageOES(GL_RENDERBUFFER_OES, surface->depthFormat, surface->targetW, surface->targetH) );
GLES_CHK( glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_DEPTH_ATTACHMENT_OES, GL_RENDERBUFFER_OES, surface->depthbuffer) );
}
}
