static struct drm_fb *drm_fb_get_from_bo(
gfx_ctx_drm_egl_data_t *drm,
struct gbm_bo *bo)
{
int ret;
unsigned width, height, stride, handle;
struct drm_fb *fb = (struct drm_fb*)gbm_bo_get_user_data(bo);
if (fb)
return fb;
fb = (struct drm_fb*)calloc(1, sizeof(*fb));
fb->bo = bo;
width = gbm_bo_get_width(bo);
height = gbm_bo_get_height(bo);
stride = gbm_bo_get_stride(bo);
handle = gbm_bo_get_handle(bo).u32;
RARCH_LOG("[KMS/EGL]: New FB: %ux%u (stride: %u).\n", width, height, stride);
ret = drmModeAddFB(drm->g_drm_fd, width, height, 24, 32, stride, handle, &fb->fb_id);
if (ret < 0)
{
RARCH_ERR("[KMS/EGL]: Failed to create FB: %s\n", strerror(errno));
free(fb);
return NULL;
}
gbm_bo_set_user_data(bo, fb, drm_fb_destroy_callback);
return fb;
}
NativeStateDRM::DRMFBState*
NativeStateDRM::fb_get_from_bo(gbm_bo* bo)
{
DRMFBState* fb = reinterpret_cast<DRMFBState*>(gbm_bo_get_user_data(bo));
if (fb) {
return fb;
}
unsigned int width = gbm_bo_get_width(bo);
unsigned int height = gbm_bo_get_height(bo);
unsigned int stride = gbm_bo_get_stride(bo);
unsigned int handle = gbm_bo_get_handle(bo).u32;
unsigned int fb_id(0);
int status = drmModeAddFB(fd_, width, height, 24, 32, stride, handle, &fb_id);
if (status < 0) {
Log::error("Failed to create FB: %d\n", status);
return 0;
}
fb = new DRMFBState();
fb->fd = fd_;
fb->bo = bo;
fb->fb_id = fb_id;
gbm_bo_set_user_data(bo, fb, fb_destroy_callback);
return fb;
}
struct drm_fb * drm_fb_get_from_bo(struct gbm_bo *bo)
{
struct drm_fb *fb = gbm_bo_get_user_data(bo);
uint32_t width, height, stride, handle;
int ret;
if (fb)
return fb;
fb = calloc(1, sizeof *fb);
fb->bo = bo;
width = gbm_bo_get_width(bo);
height = gbm_bo_get_height(bo);
stride = gbm_bo_get_stride(bo);
handle = gbm_bo_get_handle(bo).u32;
ret = drmModeAddFB(drm.fd, width, height, 24, 32, stride, handle, &fb->fb_id);
if (ret) {
printf("failed to create fb: %s\n", strerror(errno));
free(fb);
return NULL;
}
gbm_bo_set_user_data(bo, fb, drm_fb_destroy_callback);
return fb;
}
RenderingBackend::BufferExport RenderingBackendGBM::Surface::lockFrontBuffer()
{
struct gbm_bo* bo = gbm_surface_lock_front_buffer(m_surface);
assert(bo);
uint32_t handle = gbm_bo_get_handle(bo).u32;
#ifndef NDEBUG
auto result =
#endif
m_lockedBuffers.insert({ handle, bo });
assert(result.second);
auto* data = static_cast<BufferDataGBM*>(gbm_bo_get_user_data(bo));
if (data) {
std::pair<uint32_t, uint32_t> storedSize{ data->width, data->height };
if (m_size == storedSize)
return RenderingBackend::BufferExport{ -1, reinterpret_cast<const uint8_t*>(data), sizeof(BufferDataGBM) };
delete data;
}
data = new BufferDataGBM{ handle, m_size.first, m_size.second, gbm_bo_get_stride(bo), gbm_bo_get_format(bo), BufferDataGBM::magicValue };
gbm_bo_set_user_data(bo, data, &destroyBOData);
return RenderingBackend::BufferExport{ gbm_bo_get_fd(bo), reinterpret_cast<const uint8_t*>(data), sizeof(BufferDataGBM) };
}
struct SDrmFbWrapper *PVRShellInitOS::DrmFbGetFromBo(struct gbm_bo *bo)
{
struct SDrmFbWrapper *fb = (struct SDrmFbWrapper *)gbm_bo_get_user_data(bo);
uint32_t width, height, stride, handle;
int ret;
if (fb)
{
return fb;
}
fb = new struct SDrmFbWrapper;
fb->psGbmBo = bo;
fb->i32Fd = m_i32DrmFile;
width = gbm_bo_get_width(bo);
height = gbm_bo_get_height(bo);
stride = gbm_bo_get_stride(bo);
handle = gbm_bo_get_handle(bo).u32;
ret = drmModeAddFB(m_i32DrmFile, width, height, 24, 32, stride, handle, &fb->ui32FbId);
if (ret)
{
delete fb;
return NULL;
}
gbm_bo_set_user_data(bo, fb, pfnCallbackDrmFbDestroy);
return fb;
}
static struct drm_fb *drm_fb_get_from_bo(struct gbm_bo *bo)
{
struct drm_fb *fb = (struct drm_fb*)gbm_bo_get_user_data(bo);
if (fb)
return fb;
fb = (struct drm_fb*)calloc(1, sizeof(*fb));
fb->bo = bo;
unsigned width = gbm_bo_get_width(bo);
unsigned height = gbm_bo_get_height(bo);
unsigned stride = gbm_bo_get_stride(bo);
unsigned handle = gbm_bo_get_handle(bo).u32;
int ret = drmModeAddFB(g_drm_fd, width, height, 24, 32, stride, handle, &fb->fb_id);
if (ret < 0)
{
RARCH_ERR("[KMS/EGL]: Failed to create FB: %s\n", strerror(errno));
free(fb);
return NULL;
}
gbm_bo_set_user_data(bo, fb, drm_fb_destroy_callback);
return fb;
}
QEglFSKmsGbmScreen::FrameBuffer *QEglFSKmsGbmScreen::framebufferForBufferObject(gbm_bo *bo)
{
{
FrameBuffer *fb = static_cast<FrameBuffer *>(gbm_bo_get_user_data(bo));
if (fb)
return fb;
}
uint32_t width = gbm_bo_get_width(bo);
uint32_t height = gbm_bo_get_height(bo);
uint32_t stride = gbm_bo_get_stride(bo);
uint32_t handle = gbm_bo_get_handle(bo).u32;
QScopedPointer<FrameBuffer> fb(new FrameBuffer);
int ret = drmModeAddFB(device()->fd(), width, height, 24, 32,
stride, handle, &fb->fb);
if (ret) {
qWarning("Failed to create KMS FB!");
return Q_NULLPTR;
}
gbm_bo_set_user_data(bo, fb.data(), bufferDestroyedHandler);
return fb.take();
}
drm_fb * CDRMUtils::DrmFbGetFromBo(struct gbm_bo *bo)
{
{
struct drm_fb *fb = static_cast<drm_fb *>(gbm_bo_get_user_data(bo));
if(fb)
{
return fb;
}
}
struct drm_fb *fb = new drm_fb;
fb->bo = bo;
uint32_t width,
height,
handles[4] = {0},
strides[4] = {0},
offsets[4] = {0};
width = gbm_bo_get_width(bo);
height = gbm_bo_get_height(bo);
handles[0] = gbm_bo_get_handle(bo).u32;
strides[0] = gbm_bo_get_stride(bo);
memset(offsets, 0, 16);
auto ret = drmModeAddFB2(m_fd,
width,
height,
m_primary_plane->format,
handles,
strides,
offsets,
&fb->fb_id,
0);
if(ret)
{
delete (fb);
CLog::Log(LOGDEBUG, "CDRMUtils::%s - failed to add framebuffer", __FUNCTION__);
return nullptr;
}
gbm_bo_set_user_data(bo, fb, DrmFbDestroyCallback);
return fb;
}
