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
13 {
14
15 // Refer to the following link
16 // https://source.chromium.org/chromium/chromium/src/+/master:ui/gl/gl_image_native_pixmap.cc;l=24
17 #define FOURCC(a, b, c, d) \
18 ((static_cast<uint32_t>(a)) | (static_cast<uint32_t>(b) << 8) | \
19 (static_cast<uint32_t>(c) << 16) | (static_cast<uint32_t>(d) << 24))
20
21 #define DRM_FORMAT_R8 FOURCC('R', '8', ' ', ' ')
22 #define DRM_FORMAT_R16 FOURCC('R', '1', '6', ' ')
23 #define DRM_FORMAT_GR88 FOURCC('G', 'R', '8', '8')
24 #define DRM_FORMAT_RGB565 FOURCC('R', 'G', '1', '6')
25 #define DRM_FORMAT_ARGB8888 FOURCC('A', 'R', '2', '4')
26 #define DRM_FORMAT_ABGR8888 FOURCC('A', 'B', '2', '4')
27 #define DRM_FORMAT_XRGB8888 FOURCC('X', 'R', '2', '4')
28 #define DRM_FORMAT_XBGR8888 FOURCC('X', 'B', '2', '4')
29 #define DRM_FORMAT_ABGR2101010 FOURCC('A', 'B', '3', '0')
30 #define DRM_FORMAT_ARGB2101010 FOURCC('A', 'R', '3', '0')
31 #define DRM_FORMAT_YVU420 FOURCC('Y', 'V', '1', '2')
32 #define DRM_FORMAT_NV12 FOURCC('N', 'V', '1', '2')
33 #define DRM_FORMAT_P010 FOURCC('P', '0', '1', '0')
34
FourCCFormatToGLInternalFormat(int format)35 GLenum FourCCFormatToGLInternalFormat(int format)
36 {
37 switch (format)
38 {
39 case DRM_FORMAT_R8:
40 return GL_R8;
41 case DRM_FORMAT_R16:
42 return GL_R16_EXT;
43 case DRM_FORMAT_GR88:
44 return GL_RG8_EXT;
45 case DRM_FORMAT_ABGR8888:
46 return GL_RGBA8;
47 case DRM_FORMAT_XBGR8888:
48 return GL_RGB8;
49 case DRM_FORMAT_ARGB8888:
50 return GL_BGRA8_EXT;
51 case DRM_FORMAT_XRGB8888:
52 return GL_RGB8;
53 case DRM_FORMAT_ABGR2101010:
54 case DRM_FORMAT_ARGB2101010:
55 return GL_RGB10_A2_EXT;
56 case DRM_FORMAT_RGB565:
57 return GL_RGB565;
58 case DRM_FORMAT_NV12:
59 case DRM_FORMAT_YVU420:
60 case DRM_FORMAT_P010:
61 return GL_RGB8;
62 default:
63 NOTREACHED();
64 WARN() << "Unknown dma_buf format " << format << " used to initialize an EGL image.";
65 return GL_RGB8;
66 }
67 }
68
69 } // namespace
70
71 namespace rx
72 {
DmaBufImageSiblingEGL(const egl::AttributeMap & attribs)73 DmaBufImageSiblingEGL::DmaBufImageSiblingEGL(const egl::AttributeMap &attribs)
74 : mAttribs(attribs), mFormat(GL_NONE)
75 {
76 ASSERT(mAttribs.contains(EGL_WIDTH));
77 mSize.width = mAttribs.getAsInt(EGL_WIDTH);
78 ASSERT(mAttribs.contains(EGL_HEIGHT));
79 mSize.height = mAttribs.getAsInt(EGL_HEIGHT);
80 mSize.depth = 1;
81
82 int fourCCFormat = mAttribs.getAsInt(EGL_LINUX_DRM_FOURCC_EXT);
83 mFormat = gl::Format(FourCCFormatToGLInternalFormat(fourCCFormat));
84 }
85
~DmaBufImageSiblingEGL()86 DmaBufImageSiblingEGL::~DmaBufImageSiblingEGL() {}
87
initialize(const egl::Display * display)88 egl::Error DmaBufImageSiblingEGL::initialize(const egl::Display *display)
89 {
90 return egl::NoError();
91 }
92
getFormat() const93 gl::Format DmaBufImageSiblingEGL::getFormat() const
94 {
95 return mFormat;
96 }
97
isRenderable(const gl::Context * context) const98 bool DmaBufImageSiblingEGL::isRenderable(const gl::Context *context) const
99 {
100 return true;
101 }
102
isTexturable(const gl::Context * context) const103 bool DmaBufImageSiblingEGL::isTexturable(const gl::Context *context) const
104 {
105 return true;
106 }
107
getSize() const108 gl::Extents DmaBufImageSiblingEGL::getSize() const
109 {
110 return mSize;
111 }
112
getSamples() const113 size_t DmaBufImageSiblingEGL::getSamples() const
114 {
115 return 0;
116 }
117
getBuffer() const118 EGLClientBuffer DmaBufImageSiblingEGL::getBuffer() const
119 {
120 return nullptr;
121 }
122
getImageCreationAttributes(std::vector<EGLint> * outAttributes) const123 void DmaBufImageSiblingEGL::getImageCreationAttributes(std::vector<EGLint> *outAttributes) const
124 {
125 EGLenum kForwardedAttribs[] = {EGL_WIDTH,
126 EGL_HEIGHT,
127 EGL_LINUX_DRM_FOURCC_EXT,
128 EGL_DMA_BUF_PLANE0_FD_EXT,
129 EGL_DMA_BUF_PLANE0_OFFSET_EXT,
130 EGL_DMA_BUF_PLANE0_PITCH_EXT,
131 EGL_DMA_BUF_PLANE1_FD_EXT,
132 EGL_DMA_BUF_PLANE1_OFFSET_EXT,
133 EGL_DMA_BUF_PLANE1_PITCH_EXT,
134 EGL_DMA_BUF_PLANE2_FD_EXT,
135 EGL_DMA_BUF_PLANE2_OFFSET_EXT,
136 EGL_DMA_BUF_PLANE2_PITCH_EXT,
137 EGL_YUV_COLOR_SPACE_HINT_EXT,
138 EGL_SAMPLE_RANGE_HINT_EXT,
139 EGL_YUV_CHROMA_HORIZONTAL_SITING_HINT_EXT,
140 EGL_YUV_CHROMA_VERTICAL_SITING_HINT_EXT,
141
142 EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT,
143 EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT,
144 EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT,
145 EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT,
146 EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT,
147 EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT,
148 EGL_DMA_BUF_PLANE3_FD_EXT,
149 EGL_DMA_BUF_PLANE3_OFFSET_EXT,
150 EGL_DMA_BUF_PLANE3_PITCH_EXT,
151 EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT,
152 EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT};
153
154 for (EGLenum forwardedAttrib : kForwardedAttribs)
155 {
156 if (mAttribs.contains(forwardedAttrib))
157 {
158 outAttributes->push_back(forwardedAttrib);
159 outAttributes->push_back(mAttribs.getAsInt(forwardedAttrib));
160 }
161 }
162 }
163
164 } // namespace rx
165