1 // 2 // Copyright 2016 The ANGLE Project Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 // 6 // BufferNULL.h: 7 // Defines the class interface for BufferNULL, implementing BufferImpl. 8 // 9 10 #ifndef LIBANGLE_RENDERER_NULL_BUFFERNULL_H_ 11 #define LIBANGLE_RENDERER_NULL_BUFFERNULL_H_ 12 13 #include "libANGLE/renderer/BufferImpl.h" 14 15 namespace rx 16 { 17 18 class AllocationTrackerNULL; 19 20 class BufferNULL : public BufferImpl 21 { 22 public: 23 BufferNULL(const gl::BufferState &state, AllocationTrackerNULL *allocationTracker); 24 ~BufferNULL() override; 25 26 angle::Result setDataWithUsageFlags(const gl::Context *context, 27 gl::BufferBinding target, 28 GLeglClientBufferEXT clientBuffer, 29 const void *data, 30 size_t size, 31 gl::BufferUsage usage, 32 GLbitfield flags, 33 gl::BufferStorage bufferStorage) override; 34 angle::Result setData(const gl::Context *context, 35 gl::BufferBinding target, 36 const void *data, 37 size_t size, 38 gl::BufferUsage usage) override; 39 angle::Result setSubData(const gl::Context *context, 40 gl::BufferBinding target, 41 const void *data, 42 size_t size, 43 size_t offset) override; 44 angle::Result copySubData(const gl::Context *context, 45 BufferImpl *source, 46 GLintptr sourceOffset, 47 GLintptr destOffset, 48 GLsizeiptr size) override; 49 angle::Result map(const gl::Context *context, GLenum access, void **mapPtr) override; 50 angle::Result mapRange(const gl::Context *context, 51 size_t offset, 52 size_t length, 53 GLbitfield access, 54 void **mapPtr) override; 55 angle::Result unmap(const gl::Context *context, GLboolean *result) override; 56 57 angle::Result getIndexRange(const gl::Context *context, 58 gl::DrawElementsType type, 59 size_t offset, 60 size_t count, 61 bool primitiveRestartEnabled, 62 gl::IndexRange *outRange) override; 63 64 uint8_t *getDataPtr(); 65 const uint8_t *getDataPtr() const; 66 67 private: 68 std::vector<uint8_t> mData; 69 70 AllocationTrackerNULL *mAllocationTracker; 71 }; 72 73 } // namespace rx 74 75 #endif // LIBANGLE_RENDERER_NULL_BUFFERNULL_H_ 76