bool
OGLCoreFramebuffer::bindRenderTexture(GraphicsTexturePtr renderTexture, GLenum attachment, GLint level, GLint layer) noexcept
{
assert(renderTexture);
auto texture = renderTexture->downcast<OGLCoreTexture>();
auto textureID = texture->getInstanceID();
auto& textureDesc = renderTexture->getGraphicsTextureDesc();
if (textureDesc.getTexDim() == GraphicsTextureDim::GraphicsTextureDim2DArray ||
textureDesc.getTexDim() == GraphicsTextureDim::GraphicsTextureDimCube ||
textureDesc.getTexDim() == GraphicsTextureDim::GraphicsTextureDimCubeArray)
{
glNamedFramebufferTextureLayer(_fbo, attachment, textureID, level, layer);
}
else
{
glNamedFramebufferTexture(_fbo, attachment, textureID, level);
}
return OGLCheck::checkError();
}
void GLFramebufferObject::attachTexture( GLenum attachment,
GLTextureCubeMap* pTexture, GLCubeMapFace face, int mipmapLevel )
{
glNamedFramebufferTextureLayer( m_id, attachment, pTexture->id(),
mipmapLevel, static_cast< GLint >( face ) );
}
void Framebuffer::attachTextureLayer(Attachment attachment, u32 textureId, u32 level, u32 layer) const
{
glNamedFramebufferTextureLayer(m_id, (u32)attachment, textureId, level, layer);
}
void GLFramebufferObject::attachTexture( GLenum attachment, GLTexture3D* pTexture, int zSlice, int mipmapLevel )
{
glNamedFramebufferTextureLayer( m_id, attachment, pTexture->id(), mipmapLevel, zSlice );
}
void update() override {
gl::GLTexture* gltexture = nullptr;
TexturePointer surface;
if (_gpuObject.getColorStamps() != _colorStamps) {
if (_gpuObject.hasColor()) {
_colorBuffers.clear();
static const GLenum colorAttachments[] = {
GL_COLOR_ATTACHMENT0,
GL_COLOR_ATTACHMENT1,
GL_COLOR_ATTACHMENT2,
GL_COLOR_ATTACHMENT3,
GL_COLOR_ATTACHMENT4,
GL_COLOR_ATTACHMENT5,
GL_COLOR_ATTACHMENT6,
GL_COLOR_ATTACHMENT7,
GL_COLOR_ATTACHMENT8,
GL_COLOR_ATTACHMENT9,
GL_COLOR_ATTACHMENT10,
GL_COLOR_ATTACHMENT11,
GL_COLOR_ATTACHMENT12,
GL_COLOR_ATTACHMENT13,
GL_COLOR_ATTACHMENT14,
GL_COLOR_ATTACHMENT15 };
int unit = 0;
auto backend = _backend.lock();
for (auto& b : _gpuObject.getRenderBuffers()) {
surface = b._texture;
if (surface) {
Q_ASSERT(TextureUsageType::RENDERBUFFER == surface->getUsageType());
gltexture = backend->syncGPUObject(surface);
} else {
gltexture = nullptr;
}
if (gltexture) {
if (gltexture->_target == GL_TEXTURE_2D) {
glNamedFramebufferTexture(_id, colorAttachments[unit], gltexture->_texture, 0);
} else if (gltexture->_target == GL_TEXTURE_2D_MULTISAMPLE) {
glNamedFramebufferTexture(_id, colorAttachments[unit], gltexture->_texture, 0);
} else {
glNamedFramebufferTextureLayer(_id, colorAttachments[unit], gltexture->_texture, 0, b._subresource);
}
_colorBuffers.push_back(colorAttachments[unit]);
} else {
glNamedFramebufferTexture(_id, colorAttachments[unit], 0, 0);
}
unit++;
}
}
_colorStamps = _gpuObject.getColorStamps();
}
GLenum attachement = GL_DEPTH_STENCIL_ATTACHMENT;
if (!_gpuObject.hasStencil()) {
attachement = GL_DEPTH_ATTACHMENT;
} else if (!_gpuObject.hasDepth()) {
attachement = GL_STENCIL_ATTACHMENT;
}
if (_gpuObject.getDepthStamp() != _depthStamp) {
auto surface = _gpuObject.getDepthStencilBuffer();
auto backend = _backend.lock();
if (_gpuObject.hasDepthStencil() && surface) {
Q_ASSERT(TextureUsageType::RENDERBUFFER == surface->getUsageType());
gltexture = backend->syncGPUObject(surface);
}
if (gltexture) {
if (gltexture->_target == GL_TEXTURE_2D) {
glNamedFramebufferTexture(_id, attachement, gltexture->_texture, 0);
}
else if (gltexture->_target == GL_TEXTURE_2D_MULTISAMPLE) {
glNamedFramebufferTexture(_id, attachement, gltexture->_texture, 0);
} else {
glNamedFramebufferTextureLayer(_id, attachement, gltexture->_texture, 0,
_gpuObject.getDepthStencilBufferSubresource());
}
} else {
glNamedFramebufferTexture(_id, attachement, 0, 0);
}
_depthStamp = _gpuObject.getDepthStamp();
}
// Last but not least, define where we draw
if (!_colorBuffers.empty()) {
glNamedFramebufferDrawBuffers(_id, (GLsizei)_colorBuffers.size(), _colorBuffers.data());
} else {
glNamedFramebufferDrawBuffer(_id, GL_NONE);
}
// Now check for completness
_status = glCheckNamedFramebufferStatus(_id, GL_DRAW_FRAMEBUFFER);
// restore the current framebuffer
checkStatus();
}