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
|
/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Test.h"
#include "TestUtils.h"
#include "GrContext.h"
#include "GrContextFactory.h"
#include "GrContextPriv.h"
#include "GrRenderTargetContext.h"
#include "GrShaderCaps.h"
#include "GrSurfacePriv.h"
#include "GrTest.h"
#include "GrTexture.h"
#include "GrTextureContext.h"
#include "GrTexturePriv.h"
#include "GrTextureProxyPriv.h"
#include "gl/GLTestContext.h"
#include "gl/GrGLGpu.h"
#include "gl/GrGLUtil.h"
using sk_gpu_test::GLTestContext;
static void cleanup(GLTestContext* glctx0, GrGLuint texID0, GLTestContext* glctx1,
sk_sp<GrContext> grctx1, GrBackendTexture* backendTex1,
GrEGLImage image1) {
if (glctx1) {
glctx1->makeCurrent();
if (grctx1) {
if (backendTex1 && backendTex1->isValid()) {
GrGLGpu* gpu1 = static_cast<GrGLGpu*>(grctx1->contextPriv().getGpu());
gpu1->deleteTestingOnlyBackendTexture(*backendTex1);
}
}
if (GR_EGL_NO_IMAGE != image1) {
glctx1->destroyEGLImage(image1);
}
}
glctx0->makeCurrent();
if (texID0) {
GR_GL_CALL(glctx0->gl(), DeleteTextures(1, &texID0));
}
}
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(EGLImageTest, reporter, ctxInfo) {
GrContext* context0 = ctxInfo.grContext();
sk_gpu_test::GLTestContext* glCtx0 = ctxInfo.glContext();
// Try to create a second GL context and then check if the contexts have necessary
// extensions to run this test.
if (kGLES_GrGLStandard != glCtx0->gl()->fStandard) {
return;
}
GrGLGpu* gpu0 = static_cast<GrGLGpu*>(context0->contextPriv().getGpu());
if (!gpu0->glCaps().shaderCaps()->externalTextureSupport()) {
return;
}
std::unique_ptr<GLTestContext> glCtx1 = glCtx0->makeNew();
if (!glCtx1) {
return;
}
sk_sp<GrContext> context1 = GrContext::MakeGL(sk_ref_sp(glCtx1->gl()));
GrBackendTexture backendTexture1;
GrEGLImage image = GR_EGL_NO_IMAGE;
GrGLTextureInfo externalTexture;
externalTexture.fID = 0;
if (!context1) {
cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
return;
}
if (!glCtx1->gl()->hasExtension("EGL_KHR_image") ||
!glCtx1->gl()->hasExtension("EGL_KHR_gl_texture_2D_image")) {
cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
return;
}
///////////////////////////////// CONTEXT 1 ///////////////////////////////////
// Use GL Context 1 to create a texture unknown to GrContext.
context1->flush();
GrGpu* gpu1 = context1->contextPriv().getGpu();
static const int kSize = 100;
backendTexture1 =
gpu1->createTestingOnlyBackendTexture(nullptr, kSize, kSize, kRGBA_8888_GrPixelConfig,
false, GrMipMapped::kNo);
if (!backendTexture1.isValid() || !gpu1->isTestingOnlyBackendTexture(backendTexture1)) {
ERRORF(reporter, "Error creating texture for EGL Image");
cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
return;
}
GrGLTextureInfo texInfo;
if (!backendTexture1.getGLTextureInfo(&texInfo)) {
ERRORF(reporter, "Failed to get GrGLTextureInfo");
return;
}
if (GR_GL_TEXTURE_2D != texInfo.fTarget) {
ERRORF(reporter, "Expected backend texture to be 2D");
cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
return;
}
// Wrap the texture in an EGLImage
image = glCtx1->texture2DToEGLImage(texInfo.fID);
if (GR_EGL_NO_IMAGE == image) {
ERRORF(reporter, "Error creating EGL Image from texture");
cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
return;
}
// Since we are dealing with two different GL contexts here, we need to call finish so that the
// clearing of the texture that happens in createTextingOnlyBackendTexture occurs before we call
// TexSubImage below on the other context. Otherwise, it is possible the calls get reordered and
// the clearing overwrites the TexSubImage writes.
GR_GL_CALL(glCtx1->gl(), Finish());
// Populate the texture using GL context 1. Important to use TexSubImage as TexImage orphans
// the EGL image. Also, this must be done after creating the EGLImage as the texture
// contents may not be preserved when the image is created.
SkAutoTMalloc<uint32_t> pixels(kSize * kSize);
for (int i = 0; i < kSize*kSize; ++i) {
pixels.get()[i] = 0xDDAABBCC;
}
GR_GL_CALL(glCtx1->gl(), ActiveTexture(GR_GL_TEXTURE0));
GR_GL_CALL(glCtx1->gl(), BindTexture(texInfo.fTarget, texInfo.fID));
GR_GL_CALL(glCtx1->gl(), TexSubImage2D(texInfo.fTarget, 0, 0, 0, kSize, kSize,
GR_GL_RGBA, GR_GL_UNSIGNED_BYTE, pixels.get()));
GR_GL_CALL(glCtx1->gl(), Finish());
// We've been making direct GL calls in GL context 1, let GrContext 1 know its internal
// state is invalid.
context1->resetContext();
///////////////////////////////// CONTEXT 0 ///////////////////////////////////
// Make a new texture ID in GL Context 0 from the EGL Image
glCtx0->makeCurrent();
externalTexture.fTarget = GR_GL_TEXTURE_EXTERNAL;
externalTexture.fID = glCtx0->eglImageToExternalTexture(image);
if (0 == externalTexture.fID) {
ERRORF(reporter, "Error converting EGL Image back to texture");
cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
return;
}
// Wrap this texture ID in a GrTexture
GrBackendTexture backendTex(kSize, kSize, GrMipMapped::kNo, externalTexture);
backendTex.setPixelConfig(kRGBA_8888_GrPixelConfig);
// TODO: If I make this TopLeft origin to match resolve_origin calls for kDefault, this test
// fails on the Nexus5. Why?
sk_sp<GrTextureContext> surfaceContext = context0->contextPriv().makeBackendTextureContext(
backendTex, kBottomLeft_GrSurfaceOrigin, nullptr);
if (!surfaceContext) {
ERRORF(reporter, "Error wrapping external texture in GrSurfaceContext.");
cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
return;
}
GrTextureProxy* proxy = surfaceContext->asTextureProxy();
REPORTER_ASSERT(reporter, proxy->mipMapped() == GrMipMapped::kNo);
REPORTER_ASSERT(reporter,
proxy->priv().peekTexture()->texturePriv().mipMapped() == GrMipMapped::kNo);
REPORTER_ASSERT(reporter, proxy->texPriv().textureType() == GrTextureType::kExternal);
REPORTER_ASSERT(
reporter,
proxy->priv().peekTexture()->texturePriv().textureType() == GrTextureType::kExternal);
REPORTER_ASSERT(reporter, proxy->texPriv().hasRestrictedSampling());
REPORTER_ASSERT(reporter, proxy->priv().peekTexture()->texturePriv().hasRestrictedSampling());
// Should not be able to wrap as a RT
{
sk_sp<GrRenderTargetContext> temp =
context0->contextPriv().makeBackendTextureRenderTargetContext(
backendTex, kBottomLeft_GrSurfaceOrigin, 1, nullptr);
if (temp) {
ERRORF(reporter, "Should not be able to wrap an EXTERNAL texture as a RT.");
}
}
test_read_pixels(reporter, surfaceContext.get(), pixels.get(), "EGLImageTest-read");
// We should not be able to write to a EXTERNAL texture
test_write_pixels(reporter, surfaceContext.get(), false, "EGLImageTest-write");
// Only test RT-config
// TODO: why do we always need to draw to copy from an external texture?
test_copy_from_surface(reporter, context0, surfaceContext->asSurfaceProxy(),
pixels.get(), true, "EGLImageTest-copy");
cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
}
|
