本文整理汇总了C++中GrallocTextureClientOGL::GetGraphicBuffer方法的典型用法代码示例。如果您正苦于以下问题：C++ GrallocTextureClientOGL::GetGraphicBuffer方法的具体用法？C++ GrallocTextureClientOGL::GetGraphicBuffer怎么用？C++ GrallocTextureClientOGL::GetGraphicBuffer使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类GrallocTextureClientOGL的用法示例。
在下文中一共展示了GrallocTextureClientOGL::GetGraphicBuffer方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: GrallocTextureClientOGL
SharedSurface_Gralloc*
SharedSurface_Gralloc::Create(GLContext* prodGL,
const GLFormats& formats,
const gfx::IntSize& size,
bool hasAlpha,
ISurfaceAllocator* allocator)
{
static bool runOnce = true;
if (runOnce) {
sForceReadPixelsToFence = false;
mozilla::Preferences::AddBoolVarCache(&sForceReadPixelsToFence,
"gfx.gralloc.fence-with-readpixels");
runOnce = false;
}
GLLibraryEGL* egl = &sEGLLibrary;
MOZ_ASSERT(egl);
DEBUG_PRINT("SharedSurface_Gralloc::Create -------\n");
if (!HasExtensions(egl, prodGL))
return nullptr;
gfxContentType type = hasAlpha ? GFX_CONTENT_COLOR_ALPHA
: GFX_CONTENT_COLOR;
gfxImageFormat format
= gfxPlatform::GetPlatform()->OptimalFormatForContent(type);
GrallocTextureClientOGL* grallocTC =
new GrallocTextureClientOGL(
allocator,
gfx::ImageFormatToSurfaceFormat(format),
TEXTURE_FLAGS_DEFAULT);
if (!grallocTC->AllocateForGLRendering(size)) {
return nullptr;
}
sp<GraphicBuffer> buffer = grallocTC->GetGraphicBuffer();
EGLDisplay display = egl->Display();
EGLClientBuffer clientBuffer = buffer->getNativeBuffer();
EGLint attrs[] = {
LOCAL_EGL_NONE, LOCAL_EGL_NONE
};
EGLImage image = egl->fCreateImage(display,
EGL_NO_CONTEXT,
LOCAL_EGL_NATIVE_BUFFER_ANDROID,
clientBuffer, attrs);
if (!image) {
grallocTC->DropTextureData()->DeallocateSharedData(allocator);
return nullptr;
}
prodGL->MakeCurrent();
GLuint prodTex = 0;
prodGL->fGenTextures(1, &prodTex);
ScopedBindTexture autoTex(prodGL, prodTex);
prodGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER, LOCAL_GL_LINEAR);
prodGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER, LOCAL_GL_LINEAR);
prodGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_S, LOCAL_GL_CLAMP_TO_EDGE);
prodGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_T, LOCAL_GL_CLAMP_TO_EDGE);
prodGL->fEGLImageTargetTexture2D(LOCAL_GL_TEXTURE_2D, image);
egl->fDestroyImage(display, image);
SharedSurface_Gralloc *surf = new SharedSurface_Gralloc(prodGL, size, hasAlpha, egl, allocator, grallocTC, prodTex);
DEBUG_PRINT("SharedSurface_Gralloc::Create: success -- surface %p, GraphicBuffer %p.\n", surf, buffer.get());
return surf;
}