1 //
2 // Copyright 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 // DmaBufImageSiblingEGL.cpp: Defines the DmaBufImageSiblingEGL to wrap EGL images
8 // created from dma_buf objects
9
10 #include "libANGLE/renderer/gl/egl/DmaBufImageSiblingEGL.h"
11
12 namespace rx
13 {
DmaBufImageSiblingEGL(const egl::AttributeMap & attribs)14 DmaBufImageSiblingEGL::DmaBufImageSiblingEGL(const egl::AttributeMap &attribs)
15 : mAttribs(attribs), mFormat(GL_NONE)
16 {
17 ASSERT(mAttribs.contains(EGL_WIDTH));
18 mSize.width = mAttribs.getAsInt(EGL_WIDTH);
19 ASSERT(mAttribs.contains(EGL_HEIGHT));
20 mSize.height = mAttribs.getAsInt(EGL_HEIGHT);
21 mSize.depth = 1;
22
23 // TODO(geofflang): Implement a conversion table from DRM_FORMAT_* to GL format to expose a
24 // valid mFormat to know if this image can be rendered to. For now it's fine to always say we're
25 // RGBA8. http://anglebug.com/4529
26 mFormat = gl::Format(GL_RGBA8);
27 }
28
~DmaBufImageSiblingEGL()29 DmaBufImageSiblingEGL::~DmaBufImageSiblingEGL() {}
30
initialize(const egl::Display * display)31 egl::Error DmaBufImageSiblingEGL::initialize(const egl::Display *display)
32 {
33 return egl::NoError();
34 }
35
getFormat() const36 gl::Format DmaBufImageSiblingEGL::getFormat() const
37 {
38 return mFormat;
39 }
40
isRenderable(const gl::Context * context) const41 bool DmaBufImageSiblingEGL::isRenderable(const gl::Context *context) const
42 {
43 return true;
44 }
45
isTexturable(const gl::Context * context) const46 bool DmaBufImageSiblingEGL::isTexturable(const gl::Context *context) const
47 {
48 return true;
49 }
50
getSize() const51 gl::Extents DmaBufImageSiblingEGL::getSize() const
52 {
53 return mSize;
54 }
55
getSamples() const56 size_t DmaBufImageSiblingEGL::getSamples() const
57 {
58 return 0;
59 }
60
getBuffer() const61 EGLClientBuffer DmaBufImageSiblingEGL::getBuffer() const
62 {
63 return nullptr;
64 }
65
getImageCreationAttributes(std::vector<EGLint> * outAttributes) const66 void DmaBufImageSiblingEGL::getImageCreationAttributes(std::vector<EGLint> *outAttributes) const
67 {
68 EGLenum kForwardedAttribs[] = {EGL_WIDTH,
69 EGL_HEIGHT,
70 EGL_LINUX_DRM_FOURCC_EXT,
71 EGL_DMA_BUF_PLANE0_FD_EXT,
72 EGL_DMA_BUF_PLANE0_OFFSET_EXT,
73 EGL_DMA_BUF_PLANE0_PITCH_EXT,
74 EGL_DMA_BUF_PLANE1_FD_EXT,
75 EGL_DMA_BUF_PLANE1_OFFSET_EXT,
76 EGL_DMA_BUF_PLANE1_PITCH_EXT,
77 EGL_DMA_BUF_PLANE2_FD_EXT,
78 EGL_DMA_BUF_PLANE2_OFFSET_EXT,
79 EGL_DMA_BUF_PLANE2_PITCH_EXT,
80 EGL_YUV_COLOR_SPACE_HINT_EXT,
81 EGL_SAMPLE_RANGE_HINT_EXT,
82 EGL_YUV_CHROMA_HORIZONTAL_SITING_HINT_EXT,
83 EGL_YUV_CHROMA_VERTICAL_SITING_HINT_EXT,
84
85 EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT,
86 EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT,
87 EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT,
88 EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT,
89 EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT,
90 EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT,
91 EGL_DMA_BUF_PLANE3_FD_EXT,
92 EGL_DMA_BUF_PLANE3_OFFSET_EXT,
93 EGL_DMA_BUF_PLANE3_PITCH_EXT,
94 EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT,
95 EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT};
96
97 for (EGLenum forwardedAttrib : kForwardedAttribs)
98 {
99 if (mAttribs.contains(forwardedAttrib))
100 {
101 outAttributes->push_back(forwardedAttrib);
102 outAttributes->push_back(mAttribs.getAsInt(forwardedAttrib));
103 }
104 }
105 }
106
107 } // namespace rx
108