StreamProducerImpl.h (1593B)
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 7 // StreamProducerImpl.h: Defines the abstract rx::StreamProducerImpl class. 8 9 #ifndef LIBANGLE_RENDERER_STREAMPRODUCERIMPL_H_ 10 #define LIBANGLE_RENDERER_STREAMPRODUCERIMPL_H_ 11 12 #include "common/angleutils.h" 13 #include "libANGLE/Stream.h" 14 15 namespace rx 16 { 17 18 class StreamProducerImpl : angle::NonCopyable 19 { 20 public: 21 explicit StreamProducerImpl() {} 22 virtual ~StreamProducerImpl() {} 23 24 // Validates the ability for the producer to accept an arbitrary pointer to a frame. All 25 // pointers should be validated through this function before being used to produce a frame. 26 virtual egl::Error validateD3DTexture(const void *pointer, 27 const egl::AttributeMap &attributes) const = 0; 28 29 // Constructs a frame from an arbitrary external pointer that points to producer specific frame 30 // data. Replaces the internal frame with the new one. 31 virtual void postD3DTexture(void *pointer, const egl::AttributeMap &attributes) = 0; 32 33 // Returns an OpenGL texture interpretation of some frame attributes for the purpose of 34 // constructing an OpenGL texture from a frame. Depending on the producer and consumer, some 35 // frames may have multiple "planes" with different OpenGL texture representations. 36 virtual egl::Stream::GLTextureDescription getGLFrameDescription(int planeIndex) = 0; 37 }; 38 } // namespace rx 39 40 #endif // LIBANGLE_RENDERER_STREAMPRODUCERIMPL_H_