1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "RenderTextureHostSWGL.h"
#include "mozilla/gfx/Logging.h"
#include "mozilla/layers/TextureHost.h"
#include "RenderThread.h"
namespace mozilla {
namespace wr {
bool RenderTextureHostSWGL::UpdatePlanes(RenderCompositor* aCompositor) {
wr_swgl_make_current(mContext);
size_t planeCount = GetPlaneCount();
bool texInit = false;
if (mPlanes.size() < planeCount) {
mPlanes.reserve(planeCount);
while (mPlanes.size() < planeCount) {
mPlanes.push_back(PlaneInfo(wr_swgl_gen_texture(mContext)));
}
texInit = true;
}
gfx::SurfaceFormat format = GetFormat();
gfx::ColorDepth colorDepth = GetColorDepth();
for (size_t i = 0; i < planeCount; i++) {
PlaneInfo& plane = mPlanes[i];
if (!MapPlane(aCompositor, i, plane)) {
if (i > 0) {
UnmapPlanes();
}
return false;
}
GLenum internalFormat = 0;
switch (format) {
case gfx::SurfaceFormat::B8G8R8A8:
case gfx::SurfaceFormat::B8G8R8X8:
MOZ_ASSERT(colorDepth == gfx::ColorDepth::COLOR_8);
internalFormat = LOCAL_GL_RGBA8;
break;
case gfx::SurfaceFormat::YUV:
switch (colorDepth) {
case gfx::ColorDepth::COLOR_8:
internalFormat = LOCAL_GL_R8;
break;
case gfx::ColorDepth::COLOR_10:
case gfx::ColorDepth::COLOR_12:
case gfx::ColorDepth::COLOR_16:
internalFormat = LOCAL_GL_R16;
break;
}
break;
case gfx::SurfaceFormat::NV12:
switch (colorDepth) {
case gfx::ColorDepth::COLOR_8:
internalFormat = i > 0 ? LOCAL_GL_RG8 : LOCAL_GL_R8;
break;
case gfx::ColorDepth::COLOR_10:
case gfx::ColorDepth::COLOR_12:
case gfx::ColorDepth::COLOR_16:
internalFormat = i > 0 ? LOCAL_GL_RG16 : LOCAL_GL_R16;
break;
}
break;
case gfx::SurfaceFormat::P010:
MOZ_ASSERT(colorDepth == gfx::ColorDepth::COLOR_10);
internalFormat = i > 0 ? LOCAL_GL_RG16 : LOCAL_GL_R16;
break;
case gfx::SurfaceFormat::YUV422:
MOZ_ASSERT(colorDepth == gfx::ColorDepth::COLOR_8);
internalFormat = LOCAL_GL_RGB_RAW_422_APPLE;
break;
default:
MOZ_RELEASE_ASSERT(false, "Unhandled external image format");
break;
}
wr_swgl_set_texture_buffer(mContext, plane.mTexture, internalFormat,
plane.mSize.width, plane.mSize.height,
plane.mStride, plane.mData, 0, 0);
}
if (texInit) {
// Initialize the mip filters to linear by default.
for (const auto& plane : mPlanes) {
wr_swgl_set_texture_parameter(mContext, plane.mTexture,
LOCAL_GL_TEXTURE_MIN_FILTER,
LOCAL_GL_LINEAR);
wr_swgl_set_texture_parameter(mContext, plane.mTexture,
LOCAL_GL_TEXTURE_MAG_FILTER,
LOCAL_GL_LINEAR);
}
}
return true;
}
bool RenderTextureHostSWGL::SetContext(void* aContext) {
if (mContext != aContext) {
CleanupPlanes();
mContext = aContext;
wr_swgl_reference_context(mContext);
}
return mContext != nullptr;
}
wr::WrExternalImage RenderTextureHostSWGL::LockSWGL(
uint8_t aChannelIndex, void* aContext, RenderCompositor* aCompositor) {
if (!SetContext(aContext)) {
return InvalidToWrExternalImage();
}
if (!mLocked) {
if (!UpdatePlanes(aCompositor)) {
return InvalidToWrExternalImage();
}
mLocked = true;
}
if (aChannelIndex >= mPlanes.size()) {
return InvalidToWrExternalImage();
}
const PlaneInfo& plane = mPlanes[aChannelIndex];
const auto uvs = GetUvCoords(plane.mSize);
// Prefer native textures, unless our backend forbids it.
// If the GetUvCoords call above returned anything other than the default,
// for example if this is a RenderAndroidSurfaceTextureHost, then this won't
// be handled correctly in the RawDataToWrExternalImage path. But we shouldn't
// hit this path in practice with a RenderAndroidSurfaceTextureHost.
layers::TextureHost::NativeTexturePolicy policy =
layers::TextureHost::BackendNativeTexturePolicy(
layers::WebRenderBackend::SOFTWARE, plane.mSize);
return policy == layers::TextureHost::NativeTexturePolicy::FORBID
? RawDataToWrExternalImage((uint8_t*)plane.mData,
plane.mStride * plane.mSize.height)
: NativeTextureToWrExternalImage(plane.mTexture, uvs.first.x,
uvs.first.y, uvs.second.x,
uvs.second.y);
}
void RenderTextureHostSWGL::UnlockSWGL() {
if (mLocked) {
mLocked = false;
UnmapPlanes();
}
}
void RenderTextureHostSWGL::CleanupPlanes() {
if (!mContext) {
return;
}
if (!mPlanes.empty()) {
wr_swgl_make_current(mContext);
for (const auto& plane : mPlanes) {
wr_swgl_delete_texture(mContext, plane.mTexture);
}
mPlanes.clear();
}
wr_swgl_destroy_context(mContext);
mContext = nullptr;
}
RenderTextureHostSWGL::~RenderTextureHostSWGL() { CleanupPlanes(); }
bool RenderTextureHostSWGL::LockSWGLCompositeSurface(
void* aContext, wr::SWGLCompositeSurfaceInfo* aInfo) {
if (!SetContext(aContext)) {
return false;
}
if (!mLocked) {
if (!UpdatePlanes(nullptr)) {
return false;
}
mLocked = true;
}
MOZ_ASSERT(mPlanes.size() <= 3);
for (size_t i = 0; i < mPlanes.size(); i++) {
aInfo->textures[i] = mPlanes[i].mTexture;
}
switch (GetFormat()) {
case gfx::SurfaceFormat::YUV:
case gfx::SurfaceFormat::NV12:
case gfx::SurfaceFormat::P010:
case gfx::SurfaceFormat::YUV422: {
aInfo->yuv_planes = mPlanes.size();
auto colorSpace = GetYUVColorSpace();
aInfo->color_space = ToWrYuvRangedColorSpace(colorSpace);
auto colorDepth = GetColorDepth();
aInfo->color_depth = ToWrColorDepth(colorDepth);
break;
}
case gfx::SurfaceFormat::B8G8R8A8:
case gfx::SurfaceFormat::B8G8R8X8:
break;
default:
gfxCriticalNote << "Unhandled external image format: " << GetFormat();
MOZ_RELEASE_ASSERT(false, "Unhandled external image format");
break;
}
aInfo->size.width = mPlanes[0].mSize.width;
aInfo->size.height = mPlanes[0].mSize.height;
return true;
}
bool wr_swgl_lock_composite_surface(void* aContext, wr::ExternalImageId aId,
wr::SWGLCompositeSurfaceInfo* aInfo) {
RenderTextureHost* texture = RenderThread::Get()->GetRenderTexture(aId);
if (!texture) {
return false;
}
RenderTextureHostSWGL* swglTex = texture->AsRenderTextureHostSWGL();
if (!swglTex) {
return false;
}
return swglTex->LockSWGLCompositeSurface(aContext, aInfo);
}
void wr_swgl_unlock_composite_surface(void* aContext, wr::ExternalImageId aId) {
RenderTextureHost* texture = RenderThread::Get()->GetRenderTexture(aId);
if (!texture) {
return;
}
RenderTextureHostSWGL* swglTex = texture->AsRenderTextureHostSWGL();
if (!swglTex) {
return;
}
swglTex->UnlockSWGL();
}
} // namespace wr
} // namespace mozilla
|
