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 setData(const gl::Context *context, 27 gl::BufferBinding target, 28 const void *data, 29 size_t size, 30 gl::BufferUsage usage) override; 31 angle::Result setSubData(const gl::Context *context, 32 gl::BufferBinding target, 33 const void *data, 34 size_t size, 35 size_t offset) override; 36 angle::Result copySubData(const gl::Context *context, 37 BufferImpl *source, 38 GLintptr sourceOffset, 39 GLintptr destOffset, 40 GLsizeiptr size) override; 41 angle::Result map(const gl::Context *context, GLenum access, void **mapPtr) override; 42 angle::Result mapRange(const gl::Context *context, 43 size_t offset, 44 size_t length, 45 GLbitfield access, 46 void **mapPtr) override; 47 angle::Result unmap(const gl::Context *context, GLboolean *result) override; 48 49 angle::Result getIndexRange(const gl::Context *context, 50 gl::DrawElementsType type, 51 size_t offset, 52 size_t count, 53 bool primitiveRestartEnabled, 54 gl::IndexRange *outRange) override; 55 56 uint8_t *getDataPtr(); 57 const uint8_t *getDataPtr() const; 58 59 private: 60 std::vector<uint8_t> mData; 61 62 AllocationTrackerNULL *mAllocationTracker; 63 }; 64 65 } // namespace rx 66 67 #endif // LIBANGLE_RENDERER_NULL_BUFFERNULL_H_ 68