Because of the way the SDK and Android system images are branched,
host code that goes into the SDK tools can't live in the same
repository as code that goes into the system image. This change keeps
the emugl host code in sdk.git/emulator/opengl while moving the emugl
system code to development.git/tools/emulator/opengl.
A few changes were made beyond simply cloning the directories:
(a) Makefiles were modified to only build the relevant components. Not
doing so would break the build due to having multiple rule
definitions.
(b) Protocol spec files were moved from the guest encoder directories
to the host decoder directories. The decoder must support older
versions of the protocol, but not newer versions, so it makes
sense to keep the latest version of the protocol spec with the
decoder.
(c) Along with that, the encoder is now built from checked in
generated encoder source rather than directly from the protocol
spec. The generated code must be updated manually. This makes it
possible to freeze the system encoder version without freezing the
host decoder version, and also makes it very obvious when a
protocol changes is happening that will require special
backwards-compatibility support in the decoder/renderer.
(d) Host-only and system-only code were removed from the repository
where they aren't used.
(e) README and DESIGN documents were updated to reflect this split.
No actual source code was changed due to the above.
Change-Id: I2c936101ea0405b372750d36ba0f01e84d719c43
The emulator GLES support has two interfaces: a host shared library
interface used by QEMU, and a protocol between the platform and the
host. The host library interface is not versioned; QEMU and the GLES
renderer must match. The protocol on the other hand must be backwards
compatible: a new GLES renderer must support an older platform image.
Thus for branching purposes it makes more sense to put the GLES
renderer in sdk.git, which is branched along with qemu.git for SDK
releases. Platform images will be built against the protocol version
in the platform branch of sdk.git.
Change-Id: Ie73fce12815c9740e27d0f56caa53c6ceb3d30cc
1. "emugen" generates four *dec.cpp files containing code like this
to decode offset to pointer in stream
tmp = *(T *)(ptr + 8 + 4 + 4 + 4 + *(size_t *)(ptr +8 + 4 + 4));
If *dec.cpp are compiled in 64-bit, size_t is 8-byte and dereferencing of
it is likley to get wild offset for dereferencing of *(T *) to crash the
code. Solution is to define tsize_t for "target size_t" instead
of using host size_t.
2. Cast pointer to "uintptr_t" instead of "unsigned int" for 2nd param of
ShareGroup::getGlobalName(NamedObjectType, ObjectLocalName/*64bit*/).
3. Instance of EGLSurface, EGLContext and EGLImageKHR are used as 32-bit
key for std::map< unsigned int, * > SurfacesHndlMap, ContextsHndlMap,
and ImagesHndlMap, respectively. Cast pointer to uintptr_t and assert
upper 32-bit is zero before passing to map::find().
4. Instance of GLeglImageOES is used to eglAttachEGLImage() which expect
"unsigned int". Cast it to uintptr_t and assert upper 32-bit is zero.
5. The 5th param to GLEScontext::setPointer is GLvoid* but contains 32-bit
offset to vbo if bufferName exists. Cast it to uintptr_t and assert
upper 32-bit is zero.
6. Use %zu instead of %d to print size_t
7. Cast pointer to (uintptr_t) in many other places
Change-Id: Iba6e5bda08c43376db5b011e9d781481ee1f5a12
This is just a set of OS dependant functionality needed by the
emulator OpenGL host renderer. It currently has implementation for
Linux and Windows only.
osDynLibrary - dlopen/dlsym abstraction
osProcess - interface to launch a new process, wait and kill it.
osThread - abstraction interface for creating a thread.
Change-Id: Ib0264592d8c87e865da87acf5c94e2b331801ca4
