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 DestroySurfaceMultisampleBuffersGLES(EAGLSurfaceDesc* surface)
{
if(surface->depthbuffer)
{
GLES_CHK( glDeleteRenderbuffersOES(1, &surface->depthbuffer) );
}
surface->depthbuffer = 0;
if(surface->msaaDepthbuffer)
{
GLES_CHK( glDeleteRenderbuffersOES(1, &surface->msaaDepthbuffer) );
}
surface->msaaDepthbuffer = 0;
if(surface->msaaRenderbuffer)
{
GLES_CHK( glDeleteRenderbuffersOES(1, &surface->msaaRenderbuffer) );
}
surface->msaaRenderbuffer = 0;
if (surface->msaaFramebuffer)
{
GLES_CHK( glDeleteFramebuffersOES(1, &surface->msaaFramebuffer) );
}
surface->msaaFramebuffer = 0;
}
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;
}
}
void DestroyRenderingSurfaceGLES(EAGLSurfaceDesc* surface)
{
if( (surface->msaaFramebuffer || surface->targetFramebuffer) && surface->depthbuffer )
{
GLES_CHK( glDeleteRenderbuffersOES(1, &surface->depthbuffer) );
surface->depthbuffer = 0;
}
if(surface->targetRT)
{
GLES_CHK( glDeleteTextures(1, &surface->targetRT) );
surface->targetRT = 0;
}
if(surface->targetFramebuffer)
{
GLES_CHK( glDeleteFramebuffersOES(1, &surface->targetFramebuffer) );
surface->targetFramebuffer = 0;
}
if(surface->msaaRenderbuffer)
{
GLES_CHK( glDeleteRenderbuffersOES(1, &surface->msaaRenderbuffer) );
surface->msaaRenderbuffer = 0;
}
if(surface->msaaFramebuffer)
{
GLES_CHK( glDeleteFramebuffersOES(1, &surface->msaaFramebuffer) );
surface->msaaFramebuffer = 0;
}
}
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->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 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);
}
}
extern "C" bool UnityResolveMSAA(GLuint destFBO, GLuint colorTex, GLuint colorBuf, GLuint depthTex, GLuint depthBuf)
{
#if GL_APPLE_framebuffer_multisample
if (_surface.msaaSamples > 0 && _supportsMSAA && destFBO!=_surface.msaaFramebuffer && destFBO!=_surface.framebuffer)
{
Profiler_StartMSAAResolve();
GLint oldFBO;
GLES_CHK( glGetIntegerv (GL_FRAMEBUFFER_BINDING_OES, &oldFBO) );
UNITY_DBG_LOG ("UnityResolveMSAA: samples=%i msaaFBO=%i destFBO=%i colorTex=%i colorRB=%i depthTex=%i depthRB=%i\n", _surface.msaaSamples, _surface.msaaFramebuffer, destFBO, colorTex, colorBuf, depthTex, depthBuf);
UNITY_DBG_LOG (" bind dest as DRAW FBO and textures/buffers into it\n");
GLES_CHK( glBindFramebufferOES (GL_DRAW_FRAMEBUFFER_APPLE, destFBO) );
if (colorTex)
GLES_CHK( glFramebufferTexture2DOES( GL_DRAW_FRAMEBUFFER_APPLE, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, colorTex, 0 ) );
else if (colorBuf)
GLES_CHK( glFramebufferRenderbufferOES (GL_DRAW_FRAMEBUFFER_APPLE, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, colorBuf) );
if (depthTex)
GLES_CHK( glFramebufferTexture2DOES( GL_DRAW_FRAMEBUFFER_APPLE, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, depthTex, 0 ) );
else if (depthBuf)
GLES_CHK( glFramebufferRenderbufferOES (GL_DRAW_FRAMEBUFFER_APPLE, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, depthBuf) );
UNITY_DBG_LOG (" bind msaa as READ FBO\n");
GLES_CHK( glBindFramebufferOES(GL_READ_FRAMEBUFFER_APPLE, _surface.msaaFramebuffer) );
UNITY_DBG_LOG (" glResolveMultisampleFramebufferAPPLE ();\n");
GLES_CHK( glResolveMultisampleFramebufferAPPLE() );
GLES_CHK( glBindFramebufferOES (GL_FRAMEBUFFER_OES, oldFBO) );
Profiler_EndMSAAResolve();
return true;
}
#endif
return false;
}
void PreparePresentSurfaceGLES(EAGLSurfaceDesc* surface)
{
#if GL_APPLE_framebuffer_multisample
if( surface->msaaSamples > 0 && _supportsMSAA )
{
Profiler_StartMSAAResolve();
UNITY_DBG_LOG (" ResolveMSAA: samples=%i msaaFBO=%i destFBO=%i\n", surface->msaaSamples, surface->msaaFramebuffer, surface->framebuffer);
GLES_CHK( glBindFramebufferOES(GL_READ_FRAMEBUFFER_APPLE, surface->msaaFramebuffer) );
GLES_CHK( glBindFramebufferOES(GL_DRAW_FRAMEBUFFER_APPLE, surface->framebuffer) );
GLES_CHK( glResolveMultisampleFramebufferAPPLE() );
Profiler_EndMSAAResolve();
}
#endif
// update screenshot here
if( UnityIsCaptureScreenshotRequested() )
{
GLint curfb = 0;
GLES_CHK( glGetIntegerv(GL_FRAMEBUFFER_BINDING, &curfb) );
GLES_CHK( glBindFramebufferOES(GL_FRAMEBUFFER_OES, surface->framebuffer) );
UnityCaptureScreenshot();
GLES_CHK( glBindFramebufferOES(GL_FRAMEBUFFER_OES, curfb) );
}
#if GL_EXT_discard_framebuffer
if( _supportsDiscard )
{
GLenum attachments[3];
int discardCount = 0;
if (surface->msaaSamples > 1 && _supportsMSAA)
attachments[discardCount++] = GL_COLOR_ATTACHMENT0_OES;
if (surface->depthFormat)
attachments[discardCount++] = GL_DEPTH_ATTACHMENT_OES;
attachments[discardCount++] = GL_STENCIL_ATTACHMENT_OES;
GLenum target = (surface->msaaSamples > 1 && _supportsMSAA) ? GL_READ_FRAMEBUFFER_APPLE: GL_FRAMEBUFFER_OES;
if (discardCount > 0)
{
GLES_CHK( glDiscardFramebufferEXT(target, discardCount, attachments) );
}
}
#endif
}
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 PreparePresentSurfaceGLES(EAGLSurfaceDesc* surface)
{
#if GL_APPLE_framebuffer_multisample
if( surface->msaaSamples > 1 && _supportsMSAA )
{
Profiler_StartMSAAResolve();
GLuint drawFB = surface->targetFramebuffer ? surface->targetFramebuffer : surface->systemFramebuffer;
GLES_CHK( glBindFramebufferOES(GL_READ_FRAMEBUFFER_APPLE, surface->msaaFramebuffer) );
GLES_CHK( glBindFramebufferOES(GL_DRAW_FRAMEBUFFER_APPLE, drawFB) );
GLES_CHK( glResolveMultisampleFramebufferAPPLE() );
Profiler_EndMSAAResolve();
}
#endif
// update screenshot from target FBO to get requested resolution
if( UnityIsCaptureScreenshotRequested() )
{
GLint target = surface->targetFramebuffer ? surface->targetFramebuffer : surface->systemFramebuffer;
GLint curfb = 0;
GLES_CHK( glGetIntegerv(GL_FRAMEBUFFER_BINDING, &curfb) );
GLES_CHK( glBindFramebufferOES(GL_FRAMEBUFFER_OES, target) );
UnityCaptureScreenshot();
GLES_CHK( glBindFramebufferOES(GL_FRAMEBUFFER_OES, curfb) );
}
if( surface->targetFramebuffer )
{
gDefaultFBO = surface->systemFramebuffer;
GLES_CHK( glBindFramebufferOES(GL_FRAMEBUFFER_OES, gDefaultFBO) );
UnityBlitToSystemFB(surface->targetRT, surface->targetW, surface->targetH, surface->systemW, surface->systemH);
gDefaultFBO = surface->msaaFramebuffer ? surface->msaaFramebuffer : surface->targetFramebuffer;
GLES_CHK( glBindFramebufferOES(GL_FRAMEBUFFER_OES, gDefaultFBO) );
}
#if GL_EXT_discard_framebuffer
if( _supportsDiscard )
{
GLenum discardAttach[] = {GL_COLOR_ATTACHMENT0_OES, GL_DEPTH_ATTACHMENT_OES, GL_STENCIL_ATTACHMENT_OES};
if( surface->msaaFramebuffer )
GLES_CHK( glDiscardFramebufferEXT(GL_READ_FRAMEBUFFER_APPLE, 3, discardAttach) );
if(surface->targetFramebuffer)
{
GLES_CHK( glBindFramebufferOES(GL_FRAMEBUFFER_OES, surface->targetFramebuffer) );
GLES_CHK( glDiscardFramebufferEXT(GL_FRAMEBUFFER_OES, 3, discardAttach) );
}
GLES_CHK( glBindFramebufferOES(GL_FRAMEBUFFER_OES, surface->systemFramebuffer) );
GLES_CHK( glDiscardFramebufferEXT(GL_FRAMEBUFFER_OES, 2, &discardAttach[1]) );
GLES_CHK( glBindFramebufferOES(GL_FRAMEBUFFER_OES, gDefaultFBO) );
}
#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) );
}
}
