Implemented BO import and man/unmap

Basic TBM functionality implemented

Change-Id: I8187529028949d84cb168e6d8e1f38fd9fe170a7

1 files changed, 95 insertions, 18 deletions

diff --git a/src/tbm_bufmgr_emulator.c b/src/tbm_bufmgr_emulator.c
index 5ec6444..461559a 100644
--- a/src/tbm_bufmgr_emulator.c
+++ b/src/tbm_bufmgr_emulator.c
@@ -8,6 +8,44 @@
 #include "tbm_emulator_log.h"
 #include <string.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);
+
+        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)
 {
     TBM_EMULATOR_LOG_DEBUG("enter");
@@ -15,7 +53,7 @@ static void tbm_bufmgr_emulator_deinit(void *priv)
 
 static int tbm_bufmgr_emulator_bo_size(tbm_bo bo)
 {
-    TBM_EMULATOR_LOG_DEBUG("enter");
+    TBM_EMULATOR_LOG_DEBUG("bo = %p", bo);
     return 0;
 }
 
@@ -27,53 +65,92 @@ static void *tbm_bufmgr_emulator_bo_alloc(tbm_bo bo, int size, int flags)
 
 static void tbm_bufmgr_emulator_bo_free(tbm_bo bo)
 {
-    TBM_EMULATOR_LOG_DEBUG("enter");
+    TBM_EMULATOR_LOG_DEBUG("bo = %p", bo);
 }
 
 static void *tbm_bufmgr_emulator_bo_import(tbm_bo bo, unsigned int key)
 {
-    TBM_EMULATOR_LOG_DEBUG("enter");
-    return NULL;
+    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)
 {
-    TBM_EMULATOR_LOG_DEBUG("enter");
+    TBM_EMULATOR_LOG_DEBUG("bo = %p", bo);
     return 0;
 }
 
 static tbm_bo_handle tbm_bufmgr_emulator_bo_get_handle(tbm_bo bo, int device)
 {
-    tbm_bo_handle handle;
-    handle.ptr = NULL;
-    TBM_EMULATOR_LOG_DEBUG("enter");
-    return handle;
+    struct vigs_drm_gem *gem;
+
+    TBM_EMULATOR_LOG_DEBUG("bo = %p, device = %d", bo, device);
+
+    gem = (struct vigs_drm_gem*)tbm_backend_get_bo_priv(bo);
+
+    return get_tbm_bo_handle(gem, device);
 }
 
 static tbm_bo_handle tbm_bufmgr_emulator_bo_map(tbm_bo bo, int device, int opt)
 {
-    tbm_bo_handle handle;
-    handle.ptr = NULL;
-    TBM_EMULATOR_LOG_DEBUG("enter");
-    return handle;
+    struct vigs_drm_gem *gem;
+
+    TBM_EMULATOR_LOG_DEBUG("bo = %p, device = %d, opt = %d", bo, device, opt);
+
+    gem = (struct vigs_drm_gem*)tbm_backend_get_bo_priv(bo);
+
+    return get_tbm_bo_handle(gem, device);
 }
 
 static int tbm_bufmgr_emulator_bo_unmap(tbm_bo bo)
 {
-    TBM_EMULATOR_LOG_DEBUG("enter");
-    return 0;
+    TBM_EMULATOR_LOG_DEBUG("bo = %p", bo);
+
+    return 1;
 }
 
 static int tbm_bufmgr_emulator_bo_cache_flush(tbm_bo bo, int flags)
 {
-    TBM_EMULATOR_LOG_DEBUG("enter");
+    TBM_EMULATOR_LOG_DEBUG("bo = %p, flags = %d", bo, flags);
     return 0;
 }
 
 static int tbm_bufmgr_emulator_bo_get_global_key(tbm_bo bo)
 {
-    TBM_EMULATOR_LOG_DEBUG("enter");
-    return 0;
+    struct vigs_drm_gem *gem;
+    int ret;
+
+    TBM_EMULATOR_LOG_DEBUG("bo = %p", bo);
+
+    gem = (struct vigs_drm_gem*)tbm_backend_get_bo_priv(bo);
+
+    ret = vigs_drm_gem_get_name(gem);
+
+    if (ret != 0) {
+        TBM_EMULATOR_LOG_ERROR("vigs_drm_gem_get_name failed: %s",
+                               strerror(-ret));
+        return 0;
+    }
+
+    return gem->name;
 }
 
 MODULEINITPPROTO(tbm_bufmgr_emulator_init);