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 #include "common/linux/dma_buf_utils.h"
13
14 namespace rx
15 {
DmaBufImageSiblingEGL(const egl::AttributeMap & attribs)16 DmaBufImageSiblingEGL::DmaBufImageSiblingEGL(const egl::AttributeMap &attribs)
17 : mAttribs(attribs), mFormat(GL_NONE), mYUV(false), mHasProtectedContent(false)
18 {
19 ASSERT(mAttribs.contains(EGL_WIDTH));
20 mSize.width = mAttribs.getAsInt(EGL_WIDTH);
21 ASSERT(mAttribs.contains(EGL_HEIGHT));
22 mSize.height = mAttribs.getAsInt(EGL_HEIGHT);
23 mSize.depth = 1;
24 mHasProtectedContent = false;
25
26 int fourCCFormat = mAttribs.getAsInt(EGL_LINUX_DRM_FOURCC_EXT);
27 GLenum internalFormat = angle::DrmFourCCFormatToGLInternalFormat(fourCCFormat, &mYUV);
28 // These ANGLE formats are used exclusively with the Vulkan backend.
29 if (internalFormat == GL_RGBX8_ANGLE || internalFormat == GL_BGRX8_ANGLEX)
30 {
31 internalFormat = GL_RGB8;
32 }
33 mFormat = gl::Format(internalFormat);
34 }
35
~DmaBufImageSiblingEGL()36 DmaBufImageSiblingEGL::~DmaBufImageSiblingEGL() {}
37
initialize(const egl::Display * display)38 egl::Error DmaBufImageSiblingEGL::initialize(const egl::Display *display)
39 {
40 return egl::NoError();
41 }
42
getFormat() const43 gl::Format DmaBufImageSiblingEGL::getFormat() const
44 {
45 return mFormat;
46 }
47
isRenderable(const gl::Context * context) const48 bool DmaBufImageSiblingEGL::isRenderable(const gl::Context *context) const
49 {
50 return true;
51 }
52
isTexturable(const gl::Context * context) const53 bool DmaBufImageSiblingEGL::isTexturable(const gl::Context *context) const
54 {
55 return true;
56 }
57
isYUV() const58 bool DmaBufImageSiblingEGL::isYUV() const
59 {
60 return mYUV;
61 }
62
hasProtectedContent() const63 bool DmaBufImageSiblingEGL::hasProtectedContent() const
64 {
65 return mHasProtectedContent;
66 }
67
getSize() const68 gl::Extents DmaBufImageSiblingEGL::getSize() const
69 {
70 return mSize;
71 }
72
getSamples() const73 size_t DmaBufImageSiblingEGL::getSamples() const
74 {
75 return 0;
76 }
77
getBuffer() const78 EGLClientBuffer DmaBufImageSiblingEGL::getBuffer() const
79 {
80 return nullptr;
81 }
82
getImageCreationAttributes(std::vector<EGLint> * outAttributes) const83 void DmaBufImageSiblingEGL::getImageCreationAttributes(std::vector<EGLint> *outAttributes) const
84 {
85 EGLenum kForwardedAttribs[] = {EGL_WIDTH,
86 EGL_HEIGHT,
87 EGL_PROTECTED_CONTENT_EXT,
88 EGL_LINUX_DRM_FOURCC_EXT,
89 EGL_DMA_BUF_PLANE0_FD_EXT,
90 EGL_DMA_BUF_PLANE0_OFFSET_EXT,
91 EGL_DMA_BUF_PLANE0_PITCH_EXT,
92 EGL_DMA_BUF_PLANE1_FD_EXT,
93 EGL_DMA_BUF_PLANE1_OFFSET_EXT,
94 EGL_DMA_BUF_PLANE1_PITCH_EXT,
95 EGL_DMA_BUF_PLANE2_FD_EXT,
96 EGL_DMA_BUF_PLANE2_OFFSET_EXT,
97 EGL_DMA_BUF_PLANE2_PITCH_EXT,
98 EGL_YUV_COLOR_SPACE_HINT_EXT,
99 EGL_SAMPLE_RANGE_HINT_EXT,
100 EGL_YUV_CHROMA_HORIZONTAL_SITING_HINT_EXT,
101 EGL_YUV_CHROMA_VERTICAL_SITING_HINT_EXT,
102
103 EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT,
104 EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT,
105 EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT,
106 EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT,
107 EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT,
108 EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT,
109 EGL_DMA_BUF_PLANE3_FD_EXT,
110 EGL_DMA_BUF_PLANE3_OFFSET_EXT,
111 EGL_DMA_BUF_PLANE3_PITCH_EXT,
112 EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT,
113 EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT};
114
115 for (EGLenum forwardedAttrib : kForwardedAttribs)
116 {
117 if (mAttribs.contains(forwardedAttrib))
118 {
119 outAttributes->push_back(forwardedAttrib);
120 outAttributes->push_back(mAttribs.getAsInt(forwardedAttrib));
121 }
122 }
123 }
124
125 } // namespace rx
126