// be called from the client.
status_t setDefaultBufferSize(uint32_t w, uint32_t h);
-private:
+ // getCurrentBuffer returns the buffer associated with the current image.
+ sp<GraphicBuffer> getCurrentBuffer() const;
+
+ // getCurrentTextureTarget returns the texture target of the current
+ // texture as returned by updateTexImage().
+ GLenum getCurrentTextureTarget() const;
+
+ // getCurrentCrop returns the cropping rectangle of the current buffer
+ Rect getCurrentCrop() const;
+
+ // getCurrentTransform returns the transform of the current buffer
+ uint32_t getCurrentTransform() const;
+
+protected:
// freeAllBuffers frees the resources (both GraphicBuffer and EGLImage) for
// all slots.
void freeAllBuffers();
+ static bool isExternalFormat(uint32_t format);
+ static GLenum getTextureTarget(uint32_t format);
+
+private:
// createImage creates a new EGLImage from a GraphicBuffer.
EGLImageKHR createImage(EGLDisplay dpy,
// reset mCurrentTexture to INVALID_BUFFER_SLOT.
int mCurrentTexture;
+ // mCurrentTextureTarget is the GLES texture target to be used with the
+ // current texture.
+ GLenum mCurrentTextureTarget;
+
// mCurrentTextureBuf is the graphic buffer of the current texture. It's
// possible that this buffer is not associated with any buffer slot, so we
// must track it separately in order to properly use
// mMutex is the mutex used to prevent concurrent access to the member
// variables of SurfaceTexture objects. It must be locked whenever the
// member variables are accessed.
- Mutex mMutex;
+ mutable Mutex mMutex;
};
// ----------------------------------------------------------------------------
namespace android {
+class Surface;
+
class SurfaceTextureClient
: public EGLNativeBase<ANativeWindow, SurfaceTextureClient, RefBase>
{
sp<ISurfaceTexture> getISurfaceTexture() const;
private:
+ friend class Surface;
// can't be copied
SurfaceTextureClient& operator = (const SurfaceTextureClient& rhs);
void freeAllBuffers();
+ int getConnectedApi() const;
+
enum { MIN_UNDEQUEUED_BUFFERS = SurfaceTexture::MIN_UNDEQUEUED_BUFFERS };
enum { MIN_BUFFER_SLOTS = SurfaceTexture::MIN_BUFFER_SLOTS };
enum { NUM_BUFFER_SLOTS = SurfaceTexture::NUM_BUFFER_SLOTS };
// a timestamp is auto-generated when queueBuffer is called.
int64_t mTimestamp;
+ // mConnectedApi holds the currently connected API to this surface
+ int mConnectedApi;
+
+ // mQueryWidth is the width returned by query(). It is set to width
+ // of the last dequeued buffer or to mReqWidth if no buffer was dequeued.
+ uint32_t mQueryWidth;
+
+ // mQueryHeight is the height returned by query(). It is set to height
+ // of the last dequeued buffer or to mReqHeight if no buffer was dequeued.
+ uint32_t mQueryHeight;
+
+ // mQueryFormat is the format returned by query(). It is set to the last
+ // dequeued format or to mReqFormat if no buffer was dequeued.
+ uint32_t mQueryFormat;
+
// mMutex is the mutex used to prevent concurrent access to the member
// variables of SurfaceTexture objects. It must be locked whenever the
// member variables are accessed.
- Mutex mMutex;
+ mutable Mutex mMutex;
};
}; // namespace android
#include <gui/SurfaceTexture.h>
+#include <hardware/hardware.h>
+
#include <surfaceflinger/ISurfaceComposer.h>
#include <surfaceflinger/SurfaceComposerClient.h>
#include <surfaceflinger/IGraphicBufferAlloc.h>
mUseDefaultSize(true),
mBufferCount(MIN_BUFFER_SLOTS),
mCurrentTexture(INVALID_BUFFER_SLOT),
+ mCurrentTextureTarget(GL_TEXTURE_EXTERNAL_OES),
mCurrentTransform(0),
mCurrentTimestamp(0),
mLastQueued(INVALID_BUFFER_SLOT),
if (buffer == NULL) {
return ISurfaceTexture::BUFFER_NEEDS_REALLOCATION;
}
+
if ((mUseDefaultSize) &&
((uint32_t(buffer->width) != mDefaultWidth) ||
(uint32_t(buffer->height) != mDefaultHeight))) {
LOGV("SurfaceTexture::updateTexImage");
Mutex::Autolock lock(mMutex);
- // We always bind the texture even if we don't update its contents.
- glBindTexture(GL_TEXTURE_EXTERNAL_OES, mTexName);
-
// Initially both mCurrentTexture and mLastQueued are INVALID_BUFFER_SLOT,
// so this check will fail until a buffer gets queued.
if (mCurrentTexture != mLastQueued) {
while ((error = glGetError()) != GL_NO_ERROR) {
LOGE("GL error cleared before updating SurfaceTexture: %#04x", error);
}
- glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, (GLeglImageOES)image);
+
+ GLenum target = getTextureTarget(
+ mSlots[mLastQueued].mGraphicBuffer->format);
+ if (target != mCurrentTextureTarget) {
+ glDeleteTextures(1, &mTexName);
+ }
+ glBindTexture(target, mTexName);
+ glEGLImageTargetTexture2DOES(target, (GLeglImageOES)image);
+
bool failed = false;
while ((error = glGetError()) != GL_NO_ERROR) {
LOGE("error binding external texture image %p (slot %d): %#04x",
// Update the SurfaceTexture state.
mCurrentTexture = mLastQueued;
+ mCurrentTextureTarget = target;
mCurrentTextureBuf = mSlots[mCurrentTexture].mGraphicBuffer;
mCurrentCrop = mLastQueuedCrop;
mCurrentTransform = mLastQueuedTransform;
mCurrentTimestamp = mLastQueuedTimestamp;
+ } else {
+ // We always bind the texture even if we don't update its contents.
+ glBindTexture(mCurrentTextureTarget, mTexName);
}
return OK;
}
+bool SurfaceTexture::isExternalFormat(uint32_t format)
+{
+ switch (format) {
+ // supported YUV formats
+ case HAL_PIXEL_FORMAT_YV12:
+ // Legacy/deprecated YUV formats
+ case HAL_PIXEL_FORMAT_YCbCr_422_SP:
+ case HAL_PIXEL_FORMAT_YCrCb_420_SP:
+ case HAL_PIXEL_FORMAT_YCbCr_422_I:
+ return true;
+ }
+
+ // Any OEM format needs to be considered
+ if (format>=0x100 && format<=0x1FF)
+ return true;
+
+ return false;
+}
+
+GLenum SurfaceTexture::getTextureTarget(uint32_t format)
+{
+ GLenum target = GL_TEXTURE_2D;
+#if defined(GL_OES_EGL_image_external)
+ if (isExternalFormat(format)) {
+ target = GL_TEXTURE_EXTERNAL_OES;
+ }
+#endif
+ return target;
+}
+
+GLenum SurfaceTexture::getCurrentTextureTarget() const {
+ Mutex::Autolock lock(mMutex);
+ return mCurrentTextureTarget;
+}
+
void SurfaceTexture::getTransformMatrix(float mtx[16]) {
LOGV("SurfaceTexture::getTransformMatrix");
Mutex::Autolock lock(mMutex);
return image;
}
+sp<GraphicBuffer> SurfaceTexture::getCurrentBuffer() const {
+ Mutex::Autolock lock(mMutex);
+ return mCurrentTextureBuf;
+}
+
+Rect SurfaceTexture::getCurrentCrop() const {
+ Mutex::Autolock lock(mMutex);
+ return mCurrentCrop;
+}
+
+uint32_t SurfaceTexture::getCurrentTransform() const {
+ Mutex::Autolock lock(mMutex);
+ return mCurrentTransform;
+}
+
+
static void mtxMul(float out[16], const float a[16], const float b[16]) {
out[0] = a[0]*b[0] + a[4]*b[1] + a[8]*b[2] + a[12]*b[3];
out[1] = a[1]*b[0] + a[5]*b[1] + a[9]*b[2] + a[13]*b[3];
SurfaceTextureClient::SurfaceTextureClient(
const sp<ISurfaceTexture>& surfaceTexture):
mSurfaceTexture(surfaceTexture), mAllocator(0), mReqWidth(0),
- mReqHeight(0), mReqFormat(DEFAULT_FORMAT), mReqUsage(0),
- mTimestamp(NATIVE_WINDOW_TIMESTAMP_AUTO), mMutex() {
+ mReqHeight(0), mReqFormat(0), mReqUsage(0),
+ mTimestamp(NATIVE_WINDOW_TIMESTAMP_AUTO), mConnectedApi(0),
+ mQueryWidth(0), mQueryHeight(0), mQueryFormat(0),
+ mMutex() {
// Initialize the ANativeWindow function pointers.
ANativeWindow::setSwapInterval = setSwapInterval;
ANativeWindow::dequeueBuffer = dequeueBuffer;
}
sp<GraphicBuffer>& gbuf(mSlots[buf]);
if (err == ISurfaceTexture::BUFFER_NEEDS_REALLOCATION ||
- gbuf == 0 || gbuf->getWidth() != mReqWidth ||
- gbuf->getHeight() != mReqHeight ||
- uint32_t(gbuf->getPixelFormat()) != mReqFormat ||
+ gbuf == 0 ||
+ (mReqWidth && gbuf->getWidth() != mReqWidth) ||
+ (mReqHeight && gbuf->getHeight() != mReqHeight) ||
+ (mReqFormat && uint32_t(gbuf->getPixelFormat()) != mReqFormat) ||
(gbuf->getUsage() & mReqUsage) != mReqUsage) {
gbuf = mSurfaceTexture->requestBuffer(buf, mReqWidth, mReqHeight,
mReqFormat, mReqUsage);
LOGE("dequeueBuffer: ISurfaceTexture::requestBuffer failed");
return NO_MEMORY;
}
+ mQueryWidth = gbuf->width;
+ mQueryHeight = gbuf->height;
+ mQueryFormat = gbuf->format;
}
*buffer = gbuf.get();
return OK;
Mutex::Autolock lock(mMutex);
switch (what) {
case NATIVE_WINDOW_WIDTH:
+ *value = mQueryWidth ? mQueryWidth : mReqWidth;
+ return NO_ERROR;
case NATIVE_WINDOW_HEIGHT:
- // XXX: How should SurfaceTexture behave if setBuffersGeometry didn't
- // override the size?
- *value = 0;
+ *value = mQueryHeight ? mQueryHeight : mReqHeight;
return NO_ERROR;
case NATIVE_WINDOW_FORMAT:
- *value = DEFAULT_FORMAT;
+ *value = mQueryFormat ? mQueryFormat : mReqFormat;
return NO_ERROR;
case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS:
*value = MIN_UNDEQUEUED_BUFFERS;
int SurfaceTextureClient::connect(int api) {
LOGV("SurfaceTextureClient::connect");
- // XXX: Implement this!
- return INVALID_OPERATION;
+ Mutex::Autolock lock(mMutex);
+ int err = NO_ERROR;
+ switch (api) {
+ case NATIVE_WINDOW_API_EGL:
+ if (mConnectedApi) {
+ err = -EINVAL;
+ } else {
+ mConnectedApi = api;
+ }
+ break;
+ default:
+ err = -EINVAL;
+ break;
+ }
+ return err;
}
int SurfaceTextureClient::disconnect(int api) {
LOGV("SurfaceTextureClient::disconnect");
- // XXX: Implement this!
- return INVALID_OPERATION;
+ Mutex::Autolock lock(mMutex);
+ int err = NO_ERROR;
+ switch (api) {
+ case NATIVE_WINDOW_API_EGL:
+ if (mConnectedApi == api) {
+ mConnectedApi = 0;
+ } else {
+ err = -EINVAL;
+ }
+ break;
+ default:
+ err = -EINVAL;
+ break;
+ }
+ return err;
}
+int SurfaceTextureClient::getConnectedApi() const
+{
+ Mutex::Autolock lock(mMutex);
+ return mConnectedApi;
+}
+
+
int SurfaceTextureClient::setUsage(uint32_t reqUsage)
{
LOGV("SurfaceTextureClient::setUsage");
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