59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
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// Copyright 2017 The NXT Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "backend/opengl/BufferGL.h"
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#include "backend/opengl/OpenGLBackend.h"
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namespace backend {
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namespace opengl {
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// Buffer
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Buffer::Buffer(BufferBuilder* builder)
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: BufferBase(builder) {
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glGenBuffers(1, &buffer);
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glBindBuffer(GL_ARRAY_BUFFER, buffer);
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glBufferData(GL_ARRAY_BUFFER, GetSize(), nullptr, GL_STATIC_DRAW);
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}
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GLuint Buffer::GetHandle() const {
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return buffer;
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}
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void Buffer::SetSubDataImpl(uint32_t start, uint32_t count, const uint32_t* data) {
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glBindBuffer(GL_ARRAY_BUFFER, buffer);
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glBufferSubData(GL_ARRAY_BUFFER, start * sizeof(uint32_t), count * sizeof(uint32_t), data);
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}
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void Buffer::MapReadAsyncImpl(uint32_t, uint32_t, uint32_t) {
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// TODO(cwallez@chromium.org): Implement Map Read for the GL backend
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}
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void Buffer::UnmapImpl() {
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// TODO(cwallez@chromium.org): Implement Map Read for the GL backend
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}
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void Buffer::TransitionUsageImpl(nxt::BufferUsageBit, nxt::BufferUsageBit) {
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}
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// BufferView
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BufferView::BufferView(BufferViewBuilder* builder)
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: BufferViewBase(builder) {
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}
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}
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}
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