EGLBoolean EGLAPIENTRY SwapInterval(EGLDisplay dpy, EGLint interval)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLint interval = %d)", dpy, interval);
Display *display = static_cast<Display*>(dpy);
Error error = ValidateDisplay(display);
if (error.isError())
{
SetGlobalError(error);
return EGL_FALSE;
}
Surface *draw_surface = static_cast<Surface*>(GetGlobalDrawSurface());
if (draw_surface == NULL)
{
SetGlobalError(Error(EGL_BAD_SURFACE));
return EGL_FALSE;
}
const egl::Config *surfaceConfig = draw_surface->getConfig();
EGLint clampedInterval = std::min(std::max(interval, surfaceConfig->minSwapInterval), surfaceConfig->maxSwapInterval);
draw_surface->setSwapInterval(clampedInterval);
SetGlobalError(Error(EGL_SUCCESS));
return EGL_TRUE;
}
EGLBoolean EGLAPIENTRY SwapInterval(EGLDisplay dpy, EGLint interval)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLint interval = %d)", dpy, interval);
Display *display = static_cast<Display*>(dpy);
Error error = ValidateDisplay(display);
if (error.isError())
{
SetGlobalError(error);
return EGL_FALSE;
}
Surface *draw_surface = static_cast<Surface*>(GetGlobalDrawSurface());
if (draw_surface == NULL)
{
SetGlobalError(Error(EGL_BAD_SURFACE));
return EGL_FALSE;
}
draw_surface->setSwapInterval(interval);
SetGlobalError(Error(EGL_SUCCESS));
return EGL_TRUE;
}
// EGL_EXT_device_query
EGLBoolean EGLAPIENTRY QueryDisplayAttribEXT(EGLDisplay dpy, EGLint attribute, EGLAttrib *value)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLint attribute = %d, EGLAttrib *value = 0x%0.8p)",
dpy, attribute, value);
Display *display = static_cast<Display*>(dpy);
Error error = ValidateDisplay(display);
if (error.isError())
{
SetGlobalError(error);
return EGL_FALSE;
}
if (!display->getExtensions().deviceQuery)
{
SetGlobalError(Error(EGL_BAD_ACCESS));
return EGL_FALSE;
}
// validate the attribute parameter
switch (attribute)
{
case EGL_DEVICE_EXT:
*value = reinterpret_cast<EGLAttrib>(display->getDevice());
break;
default:
SetGlobalError(Error(EGL_BAD_ATTRIBUTE));
return EGL_FALSE;
}
SetGlobalError(error);
return (error.isError() ? EGL_FALSE : EGL_TRUE);
}
EGLBoolean EGLAPIENTRY SwapInterval(EGLDisplay dpy, EGLint interval)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLint interval = %d)", dpy, interval);
Thread *thread = GetCurrentThread();
Display *display = static_cast<Display *>(dpy);
Error error = ValidateDisplay(display);
if (error.isError())
{
thread->setError(error);
return EGL_FALSE;
}
Surface *draw_surface = static_cast<Surface *>(thread->getCurrentDrawSurface());
if (draw_surface == nullptr)
{
thread->setError(EglBadSurface());
return EGL_FALSE;
}
const egl::Config *surfaceConfig = draw_surface->getConfig();
EGLint clampedInterval = std::min(std::max(interval, surfaceConfig->minSwapInterval),
surfaceConfig->maxSwapInterval);
draw_surface->setSwapInterval(clampedInterval);
thread->setError(NoError());
return EGL_TRUE;
}
EGLBoolean EGLAPIENTRY WaitGL(void)
{
EVENT("()");
Thread *thread = GetCurrentThread();
Display *display = thread->getCurrentDisplay();
Error error = ValidateDisplay(display);
if (error.isError())
{
thread->setError(error);
return EGL_FALSE;
}
// eglWaitGL like calling eglWaitClient with the OpenGL ES API bound. Since we only implement
// OpenGL ES we can do the call directly.
error = display->waitClient(thread->getContext());
if (error.isError())
{
thread->setError(error);
return EGL_FALSE;
}
thread->setError(NoError());
return EGL_TRUE;
}
EGLBoolean EGLAPIENTRY WaitNative(EGLint engine)
{
EVENT("(EGLint engine = %d)", engine);
Thread *thread = GetCurrentThread();
Display *display = thread->getCurrentDisplay();
Error error = ValidateDisplay(display);
if (error.isError())
{
thread->setError(error);
return EGL_FALSE;
}
if (engine != EGL_CORE_NATIVE_ENGINE)
{
thread->setError(EglBadParameter() << "the 'engine' parameter has an unrecognized value");
}
error = display->waitNative(thread->getContext(), engine);
if (error.isError())
{
thread->setError(error);
return EGL_FALSE;
}
thread->setError(NoError());
return EGL_TRUE;
}
Error ValidateCreateStreamProducerD3DTextureNV12ANGLE(const Display *display,
const Stream *stream,
const AttributeMap &attribs)
{
ANGLE_TRY(ValidateDisplay(display));
const DisplayExtensions &displayExtensions = display->getExtensions();
if (!displayExtensions.streamProducerD3DTextureNV12)
{
return Error(EGL_BAD_ACCESS, "Stream producer extension not active");
}
ANGLE_TRY(ValidateStream(display, stream));
if (!attribs.isEmpty())
{
return Error(EGL_BAD_ATTRIBUTE, "Invalid attribute");
}
if (stream->getState() != EGL_STREAM_STATE_CONNECTING_KHR)
{
return Error(EGL_BAD_STATE_KHR, "Stream not in connecting state");
}
if (stream->getConsumerType() != Stream::ConsumerType::GLTextureYUV ||
stream->getPlaneCount() != 2)
{
return Error(EGL_BAD_MATCH, "Incompatible stream consumer type");
}
return Error(EGL_SUCCESS);
}
EGLBoolean EGLAPIENTRY ChooseConfig(EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, const EGLint *attrib_list = 0x%0.8p, "
"EGLConfig *configs = 0x%0.8p, EGLint config_size = %d, EGLint *num_config = 0x%0.8p)",
dpy, attrib_list, configs, config_size, num_config);
Display *display = static_cast<Display*>(dpy);
Error error = ValidateDisplay(display);
if (error.isError())
{
SetGlobalError(error);
return EGL_FALSE;
}
if (!num_config)
{
SetGlobalError(Error(EGL_BAD_PARAMETER));
return EGL_FALSE;
}
std::vector<const Config*> filteredConfigs = display->getConfigs(AttributeMap(attrib_list));
if (configs)
{
filteredConfigs.resize(std::min<size_t>(filteredConfigs.size(), config_size));
for (size_t i = 0; i < filteredConfigs.size(); i++)
{
configs[i] = const_cast<Config*>(filteredConfigs[i]);
}
}
*num_config = static_cast<EGLint>(filteredConfigs.size());
SetGlobalError(Error(EGL_SUCCESS));
return EGL_TRUE;
}
Error ValidateConfig(const Display *display, const Config *config)
{
ANGLE_TRY(ValidateDisplay(display));
if (!display->isValidConfig(config))
{
return Error(EGL_BAD_CONFIG);
}
return Error(EGL_SUCCESS);
}
Error ValidateImage(const Display *display, const Image *image)
{
ANGLE_TRY(ValidateDisplay(display));
if (!display->isValidImage(image))
{
return Error(EGL_BAD_PARAMETER, "image is not valid.");
}
return Error(EGL_SUCCESS);
}
Error ValidateContext(const Display *display, gl::Context *context)
{
ANGLE_TRY(ValidateDisplay(display));
if (!display->isValidContext(context))
{
return Error(EGL_BAD_CONTEXT);
}
return Error(EGL_SUCCESS);
}
Error ValidateSurface(const Display *display, Surface *surface)
{
ANGLE_TRY(ValidateDisplay(display));
if (!display->isValidSurface(surface))
{
return Error(EGL_BAD_SURFACE);
}
return Error(EGL_SUCCESS);
}
Error ValidateStreamPostD3DTextureNV12ANGLE(const Display *display,
const Stream *stream,
void *texture,
const AttributeMap &attribs)
{
ANGLE_TRY(ValidateDisplay(display));
const DisplayExtensions &displayExtensions = display->getExtensions();
if (!displayExtensions.streamProducerD3DTextureNV12)
{
return Error(EGL_BAD_ACCESS, "Stream producer extension not active");
}
ANGLE_TRY(ValidateStream(display, stream));
for (auto &attributeIter : attribs)
{
EGLAttrib attribute = attributeIter.first;
EGLAttrib value = attributeIter.second;
switch (attribute)
{
case EGL_D3D_TEXTURE_SUBRESOURCE_ID_ANGLE:
if (value < 0)
{
return Error(EGL_BAD_PARAMETER, "Invalid subresource index");
}
break;
default:
return Error(EGL_BAD_ATTRIBUTE, "Invalid attribute");
}
}
if (stream->getState() != EGL_STREAM_STATE_EMPTY_KHR &&
stream->getState() != EGL_STREAM_STATE_NEW_FRAME_AVAILABLE_KHR &&
stream->getState() != EGL_STREAM_STATE_OLD_FRAME_AVAILABLE_KHR)
{
return Error(EGL_BAD_STATE_KHR, "Stream not fully configured");
}
if (stream->getProducerType() != Stream::ProducerType::D3D11TextureNV12)
{
return Error(EGL_BAD_MATCH, "Incompatible stream producer");
}
if (texture == nullptr)
{
return egl::Error(EGL_BAD_PARAMETER, "Texture is null");
}
return stream->validateD3D11NV12Texture(texture);
}
Error ValidateConfig(const Display *display, const Config *config)
{
Error error = ValidateDisplay(display);
if (error.isError())
{
return error;
}
if (!display->isValidConfig(config))
{
return Error(EGL_BAD_CONFIG);
}
return Error(EGL_SUCCESS);
}
Error ValidateContext(const Display *display, gl::Context *context)
{
Error error = ValidateDisplay(display);
if (error.isError())
{
return error;
}
if (!display->isValidContext(context))
{
return Error(EGL_BAD_CONTEXT);
}
return Error(EGL_SUCCESS);
}
Error ValidateSurface(const Display *display, Surface *surface)
{
Error error = ValidateDisplay(display);
if (error.isError())
{
return error;
}
if (!display->isValidSurface(surface))
{
return Error(EGL_BAD_SURFACE);
}
return Error(EGL_SUCCESS);
}
Error ValidateImage(const Display *display, const Image *image)
{
Error error = ValidateDisplay(display);
if (error.isError())
{
return error;
}
if (!display->isValidImage(image))
{
return Error(EGL_BAD_PARAMETER, "image is not valid.");
}
return Error(EGL_SUCCESS);
}
Error ValidateStream(const Display *display, const Stream *stream)
{
ANGLE_TRY(ValidateDisplay(display));
const DisplayExtensions &displayExtensions = display->getExtensions();
if (!displayExtensions.stream)
{
return Error(EGL_BAD_ACCESS, "Stream extension not active");
}
if (stream == EGL_NO_STREAM_KHR || !display->isValidStream(stream))
{
return Error(EGL_BAD_STREAM_KHR, "Invalid stream");
}
return Error(EGL_SUCCESS);
}
Error ValidateStreamConsumerAcquireKHR(const Display *display,
gl::Context *context,
const Stream *stream)
{
ANGLE_TRY(ValidateDisplay(display));
const DisplayExtensions &displayExtensions = display->getExtensions();
if (!displayExtensions.streamConsumerGLTexture)
{
return Error(EGL_BAD_ACCESS, "Stream consumer extension not active");
}
if (stream == EGL_NO_STREAM_KHR || !display->isValidStream(stream))
{
return Error(EGL_BAD_STREAM_KHR, "Invalid stream");
}
if (!context)
{
return Error(EGL_BAD_ACCESS, "No GL context current to calling thread.");
}
ANGLE_TRY(ValidateContext(display, context));
if (!stream->isConsumerBoundToContext(context))
{
return Error(EGL_BAD_ACCESS, "Current GL context not associated with stream consumer");
}
if (stream->getConsumerType() != Stream::ConsumerType::GLTextureRGB &&
stream->getConsumerType() != Stream::ConsumerType::GLTextureYUV)
{
return Error(EGL_BAD_ACCESS, "Invalid stream consumer type");
}
// Note: technically EGL_STREAM_STATE_EMPTY_KHR is a valid state when the timeout is non-zero.
// However, the timeout is effectively ignored since it has no useful functionality with the
// current producers that are implemented, so we don't allow that state
if (stream->getState() != EGL_STREAM_STATE_NEW_FRAME_AVAILABLE_KHR &&
stream->getState() != EGL_STREAM_STATE_OLD_FRAME_AVAILABLE_KHR)
{
return Error(EGL_BAD_STATE_KHR, "Invalid stream state");
}
return Error(EGL_SUCCESS);
}
const char *EGLAPIENTRY QueryString(EGLDisplay dpy, EGLint name)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLint name = %d)", dpy, name);
Thread *thread = GetCurrentThread();
Display *display = static_cast<Display *>(dpy);
if (!(display == EGL_NO_DISPLAY && name == EGL_EXTENSIONS))
{
Error error = ValidateDisplay(display);
if (error.isError())
{
thread->setError(error);
return nullptr;
}
}
const char *result;
switch (name)
{
case EGL_CLIENT_APIS:
result = "OpenGL_ES";
break;
case EGL_EXTENSIONS:
if (display == EGL_NO_DISPLAY)
{
result = Display::GetClientExtensionString().c_str();
}
else
{
result = display->getExtensionString().c_str();
}
break;
case EGL_VENDOR:
result = display->getVendorString().c_str();
break;
case EGL_VERSION:
result = "1.4 (ANGLE " ANGLE_VERSION_STRING ")";
break;
default:
thread->setError(EglBadParameter());
return nullptr;
}
thread->setError(NoError());
return result;
}
const char *EGLAPIENTRY QueryString(EGLDisplay dpy, EGLint name)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLint name = %d)", dpy, name);
Display *display = static_cast<Display*>(dpy);
if (!(display == EGL_NO_DISPLAY && name == EGL_EXTENSIONS))
{
Error error = ValidateDisplay(display);
if (error.isError())
{
SetGlobalError(error);
return NULL;
}
}
const char *result;
switch (name)
{
case EGL_CLIENT_APIS:
result = "OpenGL_ES";
break;
case EGL_EXTENSIONS:
if (display == EGL_NO_DISPLAY)
{
result = Display::getClientExtensionString().c_str();
}
else
{
result = display->getExtensionString().c_str();
}
break;
case EGL_VENDOR:
result = display->getVendorString().c_str();
break;
case EGL_VERSION:
result = "1.4 (ANGLE " ANGLE_VERSION_STRING ")";
break;
default:
SetGlobalError(Error(EGL_BAD_PARAMETER));
return NULL;
}
SetGlobalError(Error(EGL_SUCCESS));
return result;
}
Error ValidateStreamConsumerReleaseKHR(const Display *display,
gl::Context *context,
const Stream *stream)
{
ANGLE_TRY(ValidateDisplay(display));
const DisplayExtensions &displayExtensions = display->getExtensions();
if (!displayExtensions.streamConsumerGLTexture)
{
return Error(EGL_BAD_ACCESS, "Stream consumer extension not active");
}
if (stream == EGL_NO_STREAM_KHR || !display->isValidStream(stream))
{
return Error(EGL_BAD_STREAM_KHR, "Invalid stream");
}
if (!context)
{
return Error(EGL_BAD_ACCESS, "No GL context current to calling thread.");
}
ANGLE_TRY(ValidateContext(display, context));
if (!stream->isConsumerBoundToContext(context))
{
return Error(EGL_BAD_ACCESS, "Current GL context not associated with stream consumer");
}
if (stream->getConsumerType() != Stream::ConsumerType::GLTextureRGB &&
stream->getConsumerType() != Stream::ConsumerType::GLTextureYUV)
{
return Error(EGL_BAD_ACCESS, "Invalid stream consumer type");
}
if (stream->getState() != EGL_STREAM_STATE_NEW_FRAME_AVAILABLE_KHR &&
stream->getState() != EGL_STREAM_STATE_OLD_FRAME_AVAILABLE_KHR)
{
return Error(EGL_BAD_STATE_KHR, "Invalid stream state");
}
return Error(EGL_SUCCESS);
}
Error ValidateCreateStreamKHR(const Display *display, const AttributeMap &attributes)
{
ANGLE_TRY(ValidateDisplay(display));
const DisplayExtensions &displayExtensions = display->getExtensions();
if (!displayExtensions.stream)
{
return Error(EGL_BAD_ALLOC, "Stream extension not active");
}
for (const auto &attributeIter : attributes)
{
EGLAttrib attribute = attributeIter.first;
EGLAttrib value = attributeIter.second;
ANGLE_TRY(ValidateStreamAttribute(attribute, value, displayExtensions));
}
return Error(EGL_SUCCESS);
}
Error ValidateStreamConsumerGLTextureExternalKHR(const Display *display,
gl::Context *context,
const Stream *stream)
{
ANGLE_TRY(ValidateDisplay(display));
ANGLE_TRY(ValidateContext(display, context));
const DisplayExtensions &displayExtensions = display->getExtensions();
if (!displayExtensions.streamConsumerGLTexture)
{
return Error(EGL_BAD_ACCESS, "Stream consumer extension not active");
}
if (!context->getExtensions().eglStreamConsumerExternal)
{
return Error(EGL_BAD_ACCESS, "EGL stream consumer external GL extension not enabled");
}
if (stream == EGL_NO_STREAM_KHR || !display->isValidStream(stream))
{
return Error(EGL_BAD_STREAM_KHR, "Invalid stream");
}
if (stream->getState() != EGL_STREAM_STATE_CREATED_KHR)
{
return Error(EGL_BAD_STATE_KHR, "Invalid stream state");
}
// Lookup the texture and ensure it is correct
gl::Texture *texture = context->getGLState().getTargetTexture(GL_TEXTURE_EXTERNAL_OES);
if (texture == nullptr || texture->getId() == 0)
{
return Error(EGL_BAD_ACCESS, "No external texture bound");
}
return Error(EGL_SUCCESS);
}
EGLBoolean EGLAPIENTRY WaitClient(void)
{
EVENT("()");
Thread *thread = GetCurrentThread();
Display *display = thread->getCurrentDisplay();
Error error = ValidateDisplay(display);
if (error.isError())
{
thread->setError(error);
return EGL_FALSE;
}
error = display->waitClient(thread->getContext());
if (error.isError())
{
thread->setError(error);
return EGL_FALSE;
}
thread->setError(NoError());
return EGL_TRUE;
}
Error ValidateStreamConsumerGLTextureExternalAttribsNV(const Display *display,
gl::Context *context,
const Stream *stream,
const AttributeMap &attribs)
{
ANGLE_TRY(ValidateDisplay(display));
const DisplayExtensions &displayExtensions = display->getExtensions();
if (!displayExtensions.streamConsumerGLTexture)
{
return Error(EGL_BAD_ACCESS, "Stream consumer extension not active");
}
// Although technically not a requirement in spec, the context needs to be checked for support
// for external textures or future logic will cause assertations. This extension is also
// effectively useless without external textures.
if (!context->getExtensions().eglStreamConsumerExternal)
{
return Error(EGL_BAD_ACCESS, "EGL stream consumer external GL extension not enabled");
}
if (stream == EGL_NO_STREAM_KHR || !display->isValidStream(stream))
{
return Error(EGL_BAD_STREAM_KHR, "Invalid stream");
}
if (!context)
{
return Error(EGL_BAD_ACCESS, "No GL context current to calling thread.");
}
ANGLE_TRY(ValidateContext(display, context));
if (stream->getState() != EGL_STREAM_STATE_CREATED_KHR)
{
return Error(EGL_BAD_STATE_KHR, "Invalid stream state");
}
const gl::Caps &glCaps = context->getCaps();
EGLAttrib colorBufferType = EGL_RGB_BUFFER;
EGLAttrib planeCount = -1;
EGLAttrib plane[3];
for (int i = 0; i < 3; i++)
{
plane[i] = -1;
}
for (const auto &attributeIter : attribs)
{
EGLAttrib attribute = attributeIter.first;
EGLAttrib value = attributeIter.second;
switch (attribute)
{
case EGL_COLOR_BUFFER_TYPE:
if (value != EGL_RGB_BUFFER && value != EGL_YUV_BUFFER_EXT)
{
return Error(EGL_BAD_PARAMETER, "Invalid color buffer type");
}
colorBufferType = value;
break;
case EGL_YUV_NUMBER_OF_PLANES_EXT:
// planeCount = -1 is a tag for the default plane count so the value must be checked
// to be positive here to ensure future logic doesn't break on invalid negative
// inputs
if (value < 0)
{
return Error(EGL_BAD_MATCH, "Invalid plane count");
}
planeCount = value;
break;
default:
if (attribute >= EGL_YUV_PLANE0_TEXTURE_UNIT_NV &&
attribute <= EGL_YUV_PLANE2_TEXTURE_UNIT_NV)
{
if ((value < 0 ||
value >= static_cast<EGLAttrib>(glCaps.maxCombinedTextureImageUnits)) &&
value != EGL_NONE)
{
return Error(EGL_BAD_ACCESS, "Invalid texture unit");
}
plane[attribute - EGL_YUV_PLANE0_TEXTURE_UNIT_NV] = value;
}
else
{
return Error(EGL_BAD_ATTRIBUTE, "Invalid attribute");
}
}
}
if (colorBufferType == EGL_RGB_BUFFER)
{
if (planeCount > 0)
{
return Error(EGL_BAD_MATCH, "Plane count must be 0 for RGB buffer");
}
for (int i = 0; i < 3; i++)
{
if (plane[i] != -1)
{
return Error(EGL_BAD_MATCH, "Planes cannot be specified");
}
}
// Lookup the texture and ensure it is correct
gl::Texture *texture = context->getGLState().getTargetTexture(GL_TEXTURE_EXTERNAL_OES);
if (texture == nullptr || texture->getId() == 0)
{
return Error(EGL_BAD_ACCESS, "No external texture bound");
}
}
else
{
if (planeCount == -1)
{
planeCount = 2;
}
if (planeCount < 1 || planeCount > 3)
{
return Error(EGL_BAD_MATCH, "Invalid YUV plane count");
}
for (EGLAttrib i = planeCount; i < 3; i++)
{
if (plane[i] != -1)
{
return Error(EGL_BAD_MATCH, "Invalid plane specified");
}
}
// Set to ensure no texture is referenced more than once
std::set<gl::Texture *> textureSet;
for (EGLAttrib i = 0; i < planeCount; i++)
{
if (plane[i] == -1)
{
return Error(EGL_BAD_MATCH, "Not all planes specified");
}
if (plane[i] != EGL_NONE)
{
gl::Texture *texture = context->getGLState().getSamplerTexture(
static_cast<unsigned int>(plane[i]), GL_TEXTURE_EXTERNAL_OES);
if (texture == nullptr || texture->getId() == 0)
{
return Error(
EGL_BAD_ACCESS,
"No external texture bound at one or more specified texture units");
}
if (textureSet.find(texture) != textureSet.end())
{
return Error(EGL_BAD_ACCESS, "Multiple planes bound to same texture object");
}
textureSet.insert(texture);
}
}
}
return Error(EGL_SUCCESS);
}