[guest] Add skeleton Fuchsia VirtGpu implementation

Reviewed-by: Aaron Ruby <aruby@blackberry.com> Acked-by: Yonggang Luo <luoyonggang@gmail.com> Acked-by: Adam Jackson <ajax@redhat.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27246>
2023-08-03 14:08:17 -07:00
parent cb5e7213d5
commit 7ff621cf19
4 changed files with 207 additions and 0 deletions
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include "VirtGpu.h"
+
+class FuchsiaVirtGpuBlob : public std::enable_shared_from_this<FuchsiaVirtGpuBlob>,
+                           public VirtGpuBlob {
+   public:
+    FuchsiaVirtGpuBlob(int64_t deviceHandle, uint32_t blobHandle, uint32_t resourceHandle,
+                       uint64_t size);
+    ~FuchsiaVirtGpuBlob();
+
+    uint32_t getResourceHandle(void) override;
+    uint32_t getBlobHandle(void) override;
+    int wait(void) override;
+
+    int exportBlob(struct VirtGpuExternalHandle& handle) override;
+    int transferFromHost(uint32_t offset, uint32_t size) override;
+    int transferToHost(uint32_t offset, uint32_t size) override;
+
+    VirtGpuBlobMappingPtr createMapping(void) override;
+};
+
+class FuchsiaVirtGpuBlobMapping : public VirtGpuBlobMapping {
+   public:
+    FuchsiaVirtGpuBlobMapping(VirtGpuBlobPtr blob, uint8_t* ptr, uint64_t size);
+    ~FuchsiaVirtGpuBlobMapping(void);
+
+    uint8_t* asRawPtr(void) override;
+};
+
+class FuchsiaVirtGpuDevice : public VirtGpuDevice {
+   public:
+    FuchsiaVirtGpuDevice(enum VirtGpuCapset capset);
+    ~FuchsiaVirtGpuDevice();
+
+    int64_t getDeviceHandle(void) override;
+
+    struct VirtGpuCaps getCaps(void) override;
+
+    VirtGpuBlobPtr createBlob(const struct VirtGpuCreateBlob& blobCreate) override;
+    VirtGpuBlobPtr createPipeBlob(uint32_t size) override;
+    VirtGpuBlobPtr createPipeTexture2D(uint32_t width, uint32_t height, uint32_t format) override;
+    VirtGpuBlobPtr importBlob(const struct VirtGpuExternalHandle& handle) override;
+
+    int execBuffer(struct VirtGpuExecBuffer& execbuffer, VirtGpuBlobPtr blob) override;
+};
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <cutils/log.h>
+
+#include "FuchsiaVirtGpu.h"
+
+FuchsiaVirtGpuBlob::FuchsiaVirtGpuBlob(int64_t deviceHandle, uint32_t blobHandle,
+                                       uint32_t resourceHandle, uint64_t size) {}
+
+FuchsiaVirtGpuBlob::~FuchsiaVirtGpuBlob(void) {}
+
+uint32_t FuchsiaVirtGpuBlob::getBlobHandle(void) {
+    ALOGE("%s: unimplemented", __func__);
+    return 0;
+}
+
+uint32_t FuchsiaVirtGpuBlob::getResourceHandle(void) {
+    ALOGE("%s: unimplemented", __func__);
+    return 0;
+}
+
+VirtGpuBlobMappingPtr FuchsiaVirtGpuBlob::createMapping(void) {
+    ALOGE("%s: unimplemented", __func__);
+    return nullptr;
+}
+
+int FuchsiaVirtGpuBlob::wait() { return -1; }
+
+int FuchsiaVirtGpuBlob::exportBlob(struct VirtGpuExternalHandle& handle) {
+    ALOGE("%s: unimplemented", __func__);
+    return 0;
+}
+
+int FuchsiaVirtGpuBlob::transferFromHost(uint32_t offset, uint32_t size) {
+    ALOGE("%s: unimplemented", __func__);
+    return 0;
+}
+
+int FuchsiaVirtGpuBlob::transferToHost(uint32_t offset, uint32_t size) {
+    ALOGE("%s: unimplemented", __func__);
+    return 0;
+}
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "FuchsiaVirtGpu.h"
+
+FuchsiaVirtGpuBlobMapping::FuchsiaVirtGpuBlobMapping(VirtGpuBlobPtr blob, uint8_t* ptr,
+                                                     uint64_t size) {}
+
+FuchsiaVirtGpuBlobMapping::~FuchsiaVirtGpuBlobMapping(void) {}
+
+uint8_t* FuchsiaVirtGpuBlobMapping::asRawPtr(void) { return nullptr; }
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <cutils/log.h>
+
+#include "FuchsiaVirtGpu.h"
+
+FuchsiaVirtGpuDevice::FuchsiaVirtGpuDevice(enum VirtGpuCapset capset) : VirtGpuDevice(capset) {}
+
+FuchsiaVirtGpuDevice::~FuchsiaVirtGpuDevice() {}
+
+int64_t FuchsiaVirtGpuDevice::getDeviceHandle(void) {
+    ALOGE("%s: unimplemented", __func__);
+    return 0;
+}
+
+VirtGpuBlobPtr FuchsiaVirtGpuDevice::createPipeBlob(uint32_t size) {
+    ALOGE("%s: unimplemented", __func__);
+    return nullptr;
+}
+
+VirtGpuBlobPtr FuchsiaVirtGpuDevice::createBlob(const struct VirtGpuCreateBlob& blobCreate) {
+    ALOGE("%s: unimplemented", __func__);
+    return nullptr;
+}
+
+VirtGpuBlobPtr FuchsiaVirtGpuDevice::createPipeTexture2D(uint32_t width, uint32_t height,
+                                                         uint32_t format) {
+    ALOGE("%s: unimplemented", __func__);
+    return nullptr;
+}
+
+VirtGpuBlobPtr FuchsiaVirtGpuDevice::importBlob(const struct VirtGpuExternalHandle& handle) {
+    ALOGE("%s: unimplemented", __func__);
+    return nullptr;
+}
+
+int FuchsiaVirtGpuDevice::execBuffer(struct VirtGpuExecBuffer& execbuffer, VirtGpuBlobPtr blob) {
+    ALOGE("%s: unimplemented", __func__);
+    return 0;
+}
+
+struct VirtGpuCaps FuchsiaVirtGpuDevice::getCaps(void) { return {}; }
+
+VirtGpuDevice* createPlatformVirtGpuDevice(enum VirtGpuCapset capset, int fd) {
+    // We don't handle the VirtioGpuPipeStream case.
+    if (fd >= 0) {
+        ALOGE("Fuchsia: fd not handled");
+        abort();
+    }
+    return new FuchsiaVirtGpuDevice(capset);
+}