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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <tbm_bufmgr.h>
#include <tbm_bufmgr_backend.h>
#include "vigs.h"
#include "tbm_emulator_log.h"
#include <string.h>
#include <stdlib.h>
static tbm_bo_handle get_tbm_bo_handle(struct vigs_drm_gem *gem,
int device)
{
tbm_bo_handle bo_handle;
int ret;
memset(&bo_handle, 0, sizeof(bo_handle));
switch (device) {
case TBM_DEVICE_DEFAULT:
case TBM_DEVICE_2D:
bo_handle.u32 = gem->handle;
break;
case TBM_DEVICE_CPU:
ret = vigs_drm_gem_map(gem, 1);
if (ret == 0) {
bo_handle.ptr = gem->vaddr;
} else {
TBM_EMULATOR_LOG_ERROR("vigs_drm_gem_map failed: %s",
strerror(-ret));
}
break;
case TBM_DEVICE_3D:
TBM_EMULATOR_LOG_ERROR("TBM_DEVICE_3D not supported");
break;
case TBM_DEVICE_MM:
TBM_EMULATOR_LOG_ERROR("TBM_DEVICE_MM not supported");
break;
default:
TBM_EMULATOR_LOG_ERROR("%d not supported", device);
break;
}
return bo_handle;
}
static void tbm_bufmgr_emulator_deinit(void *priv)
{
struct vigs_drm_device *drm_dev = priv;
TBM_EMULATOR_LOG_DEBUG("enter");
vigs_drm_device_destroy(drm_dev);
}
static int tbm_bufmgr_emulator_bo_size(tbm_bo bo)
{
struct vigs_drm_surface *sfc;
TBM_EMULATOR_LOG_DEBUG("bo = %p", bo);
sfc = (struct vigs_drm_surface*)tbm_backend_get_bo_priv(bo);
return sfc->gem.size;
}
static void *tbm_bufmgr_emulator_bo_alloc(tbm_bo bo, int size, int flags)
{
TBM_EMULATOR_LOG_ERROR("not supported");
return NULL;
}
static void tbm_bufmgr_emulator_bo_free(tbm_bo bo)
{
struct vigs_drm_surface *sfc;
TBM_EMULATOR_LOG_DEBUG("bo = %p", bo);
sfc = (struct vigs_drm_surface*)tbm_backend_get_bo_priv(bo);
vigs_drm_gem_unref(&sfc->gem);
}
static void *tbm_bufmgr_emulator_bo_import(tbm_bo bo, unsigned int key)
{
struct vigs_drm_device *drm_dev;
int ret;
struct vigs_drm_surface *sfc;
TBM_EMULATOR_LOG_DEBUG("bo = %p, key = %u", bo, key);
drm_dev = (struct vigs_drm_device*)tbm_backend_get_bufmgr_priv(bo);
ret = vigs_drm_surface_open(drm_dev, key, &sfc);
if (ret != 0) {
TBM_EMULATOR_LOG_ERROR("vigs_drm_surface_open failed for key %u: %s",
key,
strerror(-ret));
return NULL;
}
TBM_EMULATOR_LOG_DEBUG("handle = %u", sfc->gem.handle);
return sfc;
}
static unsigned int tbm_bufmgr_emulator_bo_export(tbm_bo bo)
{
struct vigs_drm_surface *sfc;
int ret;
TBM_EMULATOR_LOG_DEBUG("bo = %p", bo);
sfc = (struct vigs_drm_surface*)tbm_backend_get_bo_priv(bo);
ret = vigs_drm_gem_get_name(&sfc->gem);
if (ret != 0) {
TBM_EMULATOR_LOG_ERROR("vigs_drm_gem_get_name failed: %s",
strerror(-ret));
return 0;
}
return sfc->gem.name;
}
static tbm_bo_handle tbm_bufmgr_emulator_bo_get_handle(tbm_bo bo, int device)
{
struct vigs_drm_surface *sfc;
TBM_EMULATOR_LOG_DEBUG("bo = %p, device = %d", bo, device);
sfc = (struct vigs_drm_surface*)tbm_backend_get_bo_priv(bo);
return get_tbm_bo_handle(&sfc->gem, device);
}
static tbm_bo_handle tbm_bufmgr_emulator_bo_map(tbm_bo bo, int device, int opt)
{
struct vigs_drm_surface *sfc;
tbm_bo_handle handle;
uint32_t saf = 0;
TBM_EMULATOR_LOG_DEBUG("bo = %p, device = %d, opt = %d", bo, device, opt);
sfc = (struct vigs_drm_surface*)tbm_backend_get_bo_priv(bo);
handle = get_tbm_bo_handle(&sfc->gem, device);
if (!handle.ptr) {
return handle;
}
if ((opt & TBM_OPTION_READ) != 0) {
saf |= VIGS_DRM_SAF_READ;
}
if ((opt & TBM_OPTION_WRITE) != 0) {
saf |= VIGS_DRM_SAF_WRITE;
}
vigs_drm_surface_start_access(sfc, saf);
return handle;
}
static int tbm_bufmgr_emulator_bo_unmap(tbm_bo bo)
{
struct vigs_drm_surface *sfc;
TBM_EMULATOR_LOG_DEBUG("bo = %p", bo);
sfc = (struct vigs_drm_surface*)tbm_backend_get_bo_priv(bo);
vigs_drm_surface_end_access(sfc, 1);
return 1;
}
static int tbm_bufmgr_emulator_bo_cache_flush(tbm_bo bo, int flags)
{
TBM_EMULATOR_LOG_DEBUG("bo = %p, flags = %d", bo, flags);
return 1;
}
static int tbm_bufmgr_emulator_bo_get_global_key(tbm_bo bo)
{
struct vigs_drm_surface *sfc;
int ret;
TBM_EMULATOR_LOG_DEBUG("bo = %p", bo);
sfc = (struct vigs_drm_surface*)tbm_backend_get_bo_priv(bo);
ret = vigs_drm_gem_get_name(&sfc->gem);
if (ret != 0) {
TBM_EMULATOR_LOG_ERROR("vigs_drm_gem_get_name failed: %s",
strerror(-ret));
return 0;
}
return sfc->gem.name;
}
MODULEINITPPROTO(tbm_bufmgr_emulator_init);
static TBMModuleVersionInfo EmulatorVersRec =
{
"emulator",
"Samsung",
TBM_ABI_VERSION,
};
TBMModuleData tbmModuleData = { &EmulatorVersRec, tbm_bufmgr_emulator_init };
int tbm_bufmgr_emulator_init(tbm_bufmgr bufmgr, int fd)
{
int ret = 0;
struct vigs_drm_device *drm_dev = NULL;
tbm_bufmgr_backend backend = NULL;
TBM_EMULATOR_LOG_DEBUG("enter");
if (!bufmgr) {
return 0;
}
ret = vigs_drm_device_create(fd, &drm_dev);
if (ret != 0) {
TBM_EMULATOR_LOG_ERROR("vigs_drm_device_create failed: %s", strerror(-ret));
goto fail;
}
backend = tbm_backend_alloc();
if (!backend) {
TBM_EMULATOR_LOG_ERROR("tbm_backend_alloc failed");
goto fail;
}
backend->flags = 0;
backend->priv = (void*)drm_dev;
backend->bufmgr_deinit = tbm_bufmgr_emulator_deinit;
backend->bo_size = tbm_bufmgr_emulator_bo_size;
backend->bo_alloc = tbm_bufmgr_emulator_bo_alloc;
backend->bo_free = tbm_bufmgr_emulator_bo_free;
backend->bo_import = tbm_bufmgr_emulator_bo_import;
backend->bo_export = tbm_bufmgr_emulator_bo_export;
backend->bo_get_handle = tbm_bufmgr_emulator_bo_get_handle;
backend->bo_map = tbm_bufmgr_emulator_bo_map;
backend->bo_unmap = tbm_bufmgr_emulator_bo_unmap;
backend->bo_cache_flush = tbm_bufmgr_emulator_bo_cache_flush;
backend->bo_get_global_key = tbm_bufmgr_emulator_bo_get_global_key;
backend->bo_lock = NULL;
backend->bo_unlock = NULL;
if (!tbm_backend_init(bufmgr, backend)) {
TBM_EMULATOR_LOG_ERROR("tbm_backend_init failed");
goto fail;
}
TBM_EMULATOR_LOG_INFO("initialized");
return 1;
fail:
if (backend) {
tbm_backend_free(backend);
}
if (drm_dev) {
vigs_drm_device_destroy(drm_dev);
}
return 0;
}
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