Merge "Set error condition correctly when device is already created."
diff --git a/camera/libcameraservice/CameraService.cpp b/camera/libcameraservice/CameraService.cpp
index 86a6fac..7e81e90 100644
--- a/camera/libcameraservice/CameraService.cpp
+++ b/camera/libcameraservice/CameraService.cpp
@@ -29,6 +29,8 @@
 #include <surfaceflinger/ISurface.h>
 #include <ui/Overlay.h>
 
+#include <hardware/hardware.h>
+
 #include <media/mediaplayer.h>
 #include <media/AudioSystem.h>
 #include "CameraService.h"
@@ -605,8 +607,9 @@
     CameraParameters params(mHardware->getParameters());
     params.getPreviewSize(&w, &h);
 
+    // don't use a hardcoded format here
     ISurface::BufferHeap buffers(w, h, w, h,
-                                 PIXEL_FORMAT_YCbCr_420_SP,
+                                 HAL_PIXEL_FORMAT_YCrCb_420_SP,
                                  mOrientation,
                                  0,
                                  mHardware->getPreviewHeap());
@@ -926,8 +929,10 @@
             h &= ~1;
             LOGV("Snapshot image width=%d, height=%d", w, h);
         }
+        // FIXME: don't use hardcoded format constants here
         ISurface::BufferHeap buffers(w, h, w, h,
-            PIXEL_FORMAT_YCbCr_420_SP, mOrientation, 0, mHardware->getRawHeap());
+            HAL_PIXEL_FORMAT_YCrCb_420_SP, mOrientation, 0,
+            mHardware->getRawHeap());
 
         mSurface->registerBuffers(buffers);
     }
diff --git a/include/ui/PixelFormat.h b/include/ui/PixelFormat.h
index 6d87321b..f46f25c 100644
--- a/include/ui/PixelFormat.h
+++ b/include/ui/PixelFormat.h
@@ -30,6 +30,7 @@
 #include <sys/types.h>
 #include <utils/Errors.h>
 #include <pixelflinger/format.h>
+#include <hardware/hardware.h>
 
 namespace android {
 
@@ -57,25 +58,18 @@
     
     // real pixel formats supported for rendering -----------------------------
 
-    PIXEL_FORMAT_RGBA_8888   = GGL_PIXEL_FORMAT_RGBA_8888,  // 4x8-bit RGBA
-    PIXEL_FORMAT_RGBX_8888   = GGL_PIXEL_FORMAT_RGBX_8888,  // 4x8-bit RGB0
-    PIXEL_FORMAT_RGB_888     = GGL_PIXEL_FORMAT_RGB_888,    // 3x8-bit RGB
-    PIXEL_FORMAT_RGB_565     = GGL_PIXEL_FORMAT_RGB_565,    // 16-bit RGB
-    PIXEL_FORMAT_BGRA_8888   = GGL_PIXEL_FORMAT_BGRA_8888,  // 4x8-bit BGRA
-    PIXEL_FORMAT_RGBA_5551   = GGL_PIXEL_FORMAT_RGBA_5551,  // 16-bit ARGB
-    PIXEL_FORMAT_RGBA_4444   = GGL_PIXEL_FORMAT_RGBA_4444,  // 16-bit ARGB
+    PIXEL_FORMAT_RGBA_8888   = HAL_PIXEL_FORMAT_RGBA_8888,  // 4x8-bit RGBA
+    PIXEL_FORMAT_RGBX_8888   = HAL_PIXEL_FORMAT_RGBX_8888,  // 4x8-bit RGB0
+    PIXEL_FORMAT_RGB_888     = HAL_PIXEL_FORMAT_RGB_888,    // 3x8-bit RGB
+    PIXEL_FORMAT_RGB_565     = HAL_PIXEL_FORMAT_RGB_565,    // 16-bit RGB
+    PIXEL_FORMAT_BGRA_8888   = HAL_PIXEL_FORMAT_BGRA_8888,  // 4x8-bit BGRA
+    PIXEL_FORMAT_RGBA_5551   = HAL_PIXEL_FORMAT_RGBA_5551,  // 16-bit ARGB
+    PIXEL_FORMAT_RGBA_4444   = HAL_PIXEL_FORMAT_RGBA_4444,  // 16-bit ARGB
     PIXEL_FORMAT_A_8         = GGL_PIXEL_FORMAT_A_8,        // 8-bit A
     PIXEL_FORMAT_L_8         = GGL_PIXEL_FORMAT_L_8,        // 8-bit L (R=G=B=L)
     PIXEL_FORMAT_LA_88       = GGL_PIXEL_FORMAT_LA_88,      // 16-bit LA
     PIXEL_FORMAT_RGB_332     = GGL_PIXEL_FORMAT_RGB_332,    // 8-bit RGB
 
-    PIXEL_FORMAT_YCbCr_422_SP= GGL_PIXEL_FORMAT_YCbCr_422_SP,
-    PIXEL_FORMAT_YCbCr_420_SP= GGL_PIXEL_FORMAT_YCbCr_420_SP,
-    PIXEL_FORMAT_YCbCr_422_P = GGL_PIXEL_FORMAT_YCbCr_422_P,
-    PIXEL_FORMAT_YCbCr_420_P = GGL_PIXEL_FORMAT_YCbCr_420_P,
-    PIXEL_FORMAT_YCbCr_422_I = GGL_PIXEL_FORMAT_YCbCr_422_I,
-    PIXEL_FORMAT_YCbCr_420_I = GGL_PIXEL_FORMAT_YCbCr_420_I,
-
     // New formats can be added if they're also defined in
     // pixelflinger/format.h
 };
@@ -97,9 +91,7 @@
         RGBA                = 3,
         LUMINANCE           = 4,
         LUMINANCE_ALPHA     = 5,
-        Y_CB_CR_SP          = 6,
-        Y_CB_CR_P           = 7,
-        Y_CB_CR_I           = 8,
+        OTHER               = 0xFF
     };
 
     struct szinfo {
diff --git a/include/ui/Region.h b/include/ui/Region.h
index 2bcad5b..925fd06 100644
--- a/include/ui/Region.h
+++ b/include/ui/Region.h
@@ -21,7 +21,6 @@
 #include <sys/types.h>
 
 #include <utils/Vector.h>
-#include <binder/Parcel.h>
 
 #include <ui/Rect.h>
 
@@ -39,7 +38,6 @@
                         Region();
                         Region(const Region& rhs);
     explicit            Region(const Rect& rhs);
-    explicit            Region(const Parcel& parcel);
     explicit            Region(const void* buffer);
                         ~Region();
                         
@@ -118,10 +116,6 @@
             // be sorted in Y and X and must not make the region invalid.
             void        addRectUnchecked(int l, int t, int r, int b);
 
-            // flatten/unflatten a region to/from a Parcel
-            status_t    write(Parcel& parcel) const;
-            status_t    read(const Parcel& parcel);
-
             // flatten/unflatten a region to/from a raw buffer
             ssize_t     write(void* buffer, size_t size) const;
     static  ssize_t     writeEmpty(void* buffer, size_t size);
diff --git a/libs/surfaceflinger/Layer.cpp b/libs/surfaceflinger/Layer.cpp
index f38efab..c080513 100644
--- a/libs/surfaceflinger/Layer.cpp
+++ b/libs/surfaceflinger/Layer.cpp
@@ -185,20 +185,20 @@
                 if (res == NO_ERROR) {
                     int bpp = 0;
                     switch (t.format) {
-                    case GGL_PIXEL_FORMAT_RGB_565:
-                    case GGL_PIXEL_FORMAT_RGBA_4444:
+                    case HAL_PIXEL_FORMAT_RGB_565:
+                    case HAL_PIXEL_FORMAT_RGBA_4444:
                         bpp = 2;
                         break;
-                    case GGL_PIXEL_FORMAT_RGBA_8888:
-                    case GGL_PIXEL_FORMAT_RGBX_8888:
+                    case HAL_PIXEL_FORMAT_RGBA_8888:
+                    case HAL_PIXEL_FORMAT_RGBX_8888:
                         bpp = 4;
                         break;
-                    case GGL_PIXEL_FORMAT_YCbCr_422_SP:
-                    case GGL_PIXEL_FORMAT_YCbCr_420_SP:
-                        // just show the Y plane of YUV buffers
-                        bpp = 1;
-                        break;
                     default:
+                        if (isSupportedYuvFormat(t.format)) {
+                            // just show the Y plane of YUV buffers
+                            bpp = 1;
+                            break;
+                        }
                         // oops, we don't handle this format!
                         LOGE("layer %p, texture=%d, using format %d, which is not "
                                 "supported by the GL", this, texture->name, t.format);
diff --git a/libs/surfaceflinger/LayerBase.cpp b/libs/surfaceflinger/LayerBase.cpp
index 4d7bef8..5b96e9d 100644
--- a/libs/surfaceflinger/LayerBase.cpp
+++ b/libs/surfaceflinger/LayerBase.cpp
@@ -509,6 +509,21 @@
     }
 }
 
+bool LayerBase::isSupportedYuvFormat(int format) const
+{
+    switch (format) {
+        case HAL_PIXEL_FORMAT_YCbCr_422_SP:
+        case HAL_PIXEL_FORMAT_YCbCr_420_SP:
+        case HAL_PIXEL_FORMAT_YCbCr_422_P:
+        case HAL_PIXEL_FORMAT_YCbCr_420_P:
+        case HAL_PIXEL_FORMAT_YCbCr_422_I:
+        case HAL_PIXEL_FORMAT_YCbCr_420_I:
+        case HAL_PIXEL_FORMAT_YCrCb_420_SP:
+            return true;
+    }
+    return false;
+}
+
 void LayerBase::loadTexture(Texture* texture, 
         const Region& dirty, const GGLSurface& t) const
 {
@@ -573,21 +588,20 @@
             data = t.data;
         }
 
-        if (t.format == GGL_PIXEL_FORMAT_RGB_565) {
+        if (t.format == HAL_PIXEL_FORMAT_RGB_565) {
             glTexImage2D(GL_TEXTURE_2D, 0,
                     GL_RGB, texture->potWidth, texture->potHeight, 0,
                     GL_RGB, GL_UNSIGNED_SHORT_5_6_5, data);
-        } else if (t.format == GGL_PIXEL_FORMAT_RGBA_4444) {
+        } else if (t.format == HAL_PIXEL_FORMAT_RGBA_4444) {
             glTexImage2D(GL_TEXTURE_2D, 0,
                     GL_RGBA, texture->potWidth, texture->potHeight, 0,
                     GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, data);
-        } else if (t.format == GGL_PIXEL_FORMAT_RGBA_8888 || 
-                   t.format == GGL_PIXEL_FORMAT_RGBX_8888) {
+        } else if (t.format == HAL_PIXEL_FORMAT_RGBA_8888 ||
+                   t.format == HAL_PIXEL_FORMAT_RGBX_8888) {
             glTexImage2D(GL_TEXTURE_2D, 0,
                     GL_RGBA, texture->potWidth, texture->potHeight, 0,
                     GL_RGBA, GL_UNSIGNED_BYTE, data);
-        } else if ( t.format == GGL_PIXEL_FORMAT_YCbCr_422_SP ||
-                    t.format == GGL_PIXEL_FORMAT_YCbCr_420_SP) {
+        } else if (isSupportedYuvFormat(t.format)) {
             // just show the Y plane of YUV buffers
             glTexImage2D(GL_TEXTURE_2D, 0,
                     GL_LUMINANCE, texture->potWidth, texture->potHeight, 0,
@@ -599,24 +613,23 @@
         }
     }
     if (!data) {
-        if (t.format == GGL_PIXEL_FORMAT_RGB_565) {
+        if (t.format == HAL_PIXEL_FORMAT_RGB_565) {
             glTexSubImage2D(GL_TEXTURE_2D, 0,
                     0, bounds.top, t.width, bounds.height(),
                     GL_RGB, GL_UNSIGNED_SHORT_5_6_5,
                     t.data + bounds.top*t.stride*2);
-        } else if (t.format == GGL_PIXEL_FORMAT_RGBA_4444) {
+        } else if (t.format == HAL_PIXEL_FORMAT_RGBA_4444) {
             glTexSubImage2D(GL_TEXTURE_2D, 0,
                     0, bounds.top, t.width, bounds.height(),
                     GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4,
                     t.data + bounds.top*t.stride*2);
-        } else if (t.format == GGL_PIXEL_FORMAT_RGBA_8888 ||
-                   t.format == GGL_PIXEL_FORMAT_RGBX_8888) {
+        } else if (t.format == HAL_PIXEL_FORMAT_RGBA_8888 ||
+                   t.format == HAL_PIXEL_FORMAT_RGBX_8888) {
             glTexSubImage2D(GL_TEXTURE_2D, 0,
                     0, bounds.top, t.width, bounds.height(),
                     GL_RGBA, GL_UNSIGNED_BYTE,
                     t.data + bounds.top*t.stride*4);
-        } else if ( t.format == GGL_PIXEL_FORMAT_YCbCr_422_SP ||
-                    t.format == GGL_PIXEL_FORMAT_YCbCr_420_SP) {
+        } else if (isSupportedYuvFormat(t.format)) {
             // just show the Y plane of YUV buffers
             glTexSubImage2D(GL_TEXTURE_2D, 0,
                     0, bounds.top, t.width, bounds.height(),
diff --git a/libs/surfaceflinger/LayerBase.h b/libs/surfaceflinger/LayerBase.h
index a49faf7..d1bbd04 100644
--- a/libs/surfaceflinger/LayerBase.h
+++ b/libs/surfaceflinger/LayerBase.h
@@ -265,6 +265,7 @@
           status_t initializeEglImage(
                   const sp<GraphicBuffer>& buffer, Texture* texture);
 
+          bool isSupportedYuvFormat(int format) const;
           
                 sp<SurfaceFlinger> mFlinger;
                 uint32_t        mFlags;
diff --git a/libs/surfaceflinger_client/LayerState.cpp b/libs/surfaceflinger_client/LayerState.cpp
index 114a9e9..01c4c7e 100644
--- a/libs/surfaceflinger_client/LayerState.cpp
+++ b/libs/surfaceflinger_client/LayerState.cpp
@@ -22,17 +22,37 @@
 
 status_t layer_state_t::write(Parcel& output) const
 {
+    status_t err;
+
+    size_t len = transparentRegion.write(NULL, 0);
+    err = output.writeInt32(len);
+    if (err < NO_ERROR) return err;
+
+    void* buf = output.writeInplace(len);
+    if (buf == NULL) return NO_MEMORY;
+
+    err = transparentRegion.write(buf, len);
+    if (err < NO_ERROR) return err;
+
+    // NOTE: regions are at the end of the structure
     size_t size = sizeof(layer_state_t);
-    transparentRegion.write(output);
     size -= sizeof(transparentRegion);
-    output.write(this, size);
-    return NO_ERROR;
+    err = output.write(this, size);
+    return err;
 }
 
 status_t layer_state_t::read(const Parcel& input)
 {
+    status_t err;
+    size_t len = input.readInt32();
+    void const* buf = input.readInplace(len);
+    if (buf == NULL) return NO_MEMORY;
+
+    err = transparentRegion.read(buf);
+    if (err < NO_ERROR) return err;
+
+    // NOTE: regions are at the end of the structure
     size_t size = sizeof(layer_state_t);
-    transparentRegion.read(input);
     size -= sizeof(transparentRegion);
     input.read(this, size);
     return NO_ERROR;
diff --git a/libs/ui/PixelFormat.cpp b/libs/ui/PixelFormat.cpp
index b65ed97..9b41804 100644
--- a/libs/ui/PixelFormat.cpp
+++ b/libs/ui/PixelFormat.cpp
@@ -16,14 +16,17 @@
 
 #include <ui/PixelFormat.h>
 #include <pixelflinger/format.h>
+#include <hardware/hardware.h>
 
 namespace android {
 
+static const int COMPONENT_YUV = 0xFF;
+
 size_t PixelFormatInfo::getScanlineSize(unsigned int width) const
 {
     size_t size;
-    if ((components >= 6) && (components <= 8)) {
-        // YCbCr formats are differents.
+    if (components == COMPONENT_YUV) {
+        // YCbCr formats are different.
         size = (width * bitsPerPixel)>>3;
     } else {
         size = width * bytesPerPixel;
@@ -53,14 +56,42 @@
     if (info->version != sizeof(PixelFormatInfo))
         return INVALID_OPERATION;
 
+    // YUV format from the HAL are handled here
+    switch (format) {
+    case HAL_PIXEL_FORMAT_YCbCr_422_SP:
+    case HAL_PIXEL_FORMAT_YCrCb_422_SP:
+    case HAL_PIXEL_FORMAT_YCbCr_422_P:
+    case HAL_PIXEL_FORMAT_YCbCr_422_I:
+    case HAL_PIXEL_FORMAT_CbYCrY_422_I:
+        info->bitsPerPixel = 16;
+        goto done;
+    case HAL_PIXEL_FORMAT_YCbCr_420_SP:
+    case HAL_PIXEL_FORMAT_YCrCb_420_SP:
+    case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
+    case HAL_PIXEL_FORMAT_YCrCb_420_SP_TILED:
+    case HAL_PIXEL_FORMAT_YCbCr_420_P:
+    case HAL_PIXEL_FORMAT_YCbCr_420_I:
+    case HAL_PIXEL_FORMAT_CbYCrY_420_I:
+        info->bitsPerPixel = 12;
+     done:
+        info->format = format;
+        info->components = COMPONENT_YUV;
+        info->bytesPerPixel = 1;
+        info->h_alpha = 0;
+        info->l_alpha = 0;
+        info->h_red = info->h_green = info->h_blue = 8;
+        info->l_red = info->l_green = info->l_blue = 0;
+        return NO_ERROR;
+    }
+
     size_t numEntries;
     const GGLFormat *i = gglGetPixelFormatTable(&numEntries) + format;
     bool valid = uint32_t(format) < numEntries;
     if (!valid) {
         return BAD_INDEX;
     }
-    
-    #define COMPONENT(name) \ 
+
+    #define COMPONENT(name) \
         case GGL_##name: info->components = PixelFormatInfo::name; break;
     
     switch (i->components) {
@@ -69,9 +100,6 @@
         COMPONENT(RGBA)
         COMPONENT(LUMINANCE)
         COMPONENT(LUMINANCE_ALPHA)
-        COMPONENT(Y_CB_CR_SP)
-        COMPONENT(Y_CB_CR_P)
-        COMPONENT(Y_CB_CR_I)
         default:
             return BAD_INDEX;
     }
diff --git a/libs/ui/Region.cpp b/libs/ui/Region.cpp
index d21ed57..12db908 100644
--- a/libs/ui/Region.cpp
+++ b/libs/ui/Region.cpp
@@ -63,16 +63,10 @@
 {
 }
 
-Region::Region(const Parcel& parcel)
-{
-    status_t err = read(parcel);
-    LOGE_IF(err<0, "error %s reading Region from parcel", strerror(err));
-}
-
 Region::Region(const void* buffer)
 {
     status_t err = read(buffer);
-    LOGE_IF(err<0, "error %s reading Region from parcel", strerror(err));
+    LOGE_IF(err<0, "error %s reading Region from buffer", strerror(err));
 }
 
 Region::~Region()
@@ -532,37 +526,6 @@
 
 // ----------------------------------------------------------------------------
 
-status_t Region::write(Parcel& parcel) const
-{
-#if VALIDATE_REGIONS
-    validate(*this, "write(Parcel)");
-#endif
-    status_t err;
-    const size_t count = mStorage.size();
-    const size_t sizeNeeded = sizeof(int32_t) + (1+count)*sizeof(Rect);
-    void* buffer = parcel.writeInplace(sizeNeeded);
-    if (!buffer) return NO_MEMORY;
-    ssize_t written = Region::write(buffer, sizeNeeded);
-    if (written < 0) return status_t(written);
-    return NO_ERROR;
-}
-
-status_t Region::read(const Parcel& parcel)
-{
-    void const* buffer = parcel.readInplace(sizeof(int32_t));
-    if (!buffer) return NO_MEMORY;
-    const size_t count = *static_cast<int32_t const *>(buffer);
-    void const* dummy = parcel.readInplace((1+count)*sizeof(Rect));
-    if (!dummy) return NO_MEMORY;
-    const size_t sizeNeeded = sizeof(int32_t) + (1+count)*sizeof(Rect);
-    const ssize_t read = Region::read(buffer);
-    if (read < 0) return status_t(read);
-#if VALIDATE_REGIONS
-    validate(*this, "read(Parcel)");
-#endif
-    return NO_ERROR;
-}
-
 ssize_t Region::write(void* buffer, size_t size) const
 {
 #if VALIDATE_REGIONS
@@ -570,12 +533,14 @@
 #endif
     const size_t count = mStorage.size();
     const size_t sizeNeeded = sizeof(int32_t) + (1+count)*sizeof(Rect);
-    if (sizeNeeded > size) return NO_MEMORY;
-    int32_t* const p = static_cast<int32_t*>(buffer); 
-    *p = count;
-    memcpy(p+1, &mBounds, sizeof(Rect));
-    if (count) {
-        memcpy(p+5, mStorage.array(), count*sizeof(Rect));
+    if (buffer != NULL) {
+        if (sizeNeeded > size) return NO_MEMORY;
+        int32_t* const p = static_cast<int32_t*>(buffer);
+        *p = count;
+        memcpy(p+1, &mBounds, sizeof(Rect));
+        if (count) {
+            memcpy(p+5, mStorage.array(), count*sizeof(Rect));
+        }
     }
     return ssize_t(sizeNeeded);
 }
diff --git a/opengl/libagl/copybit.cpp b/opengl/libagl/copybit.cpp
index 4cacc11..67d1ce7 100644
--- a/opengl/libagl/copybit.cpp
+++ b/opengl/libagl/copybit.cpp
@@ -48,19 +48,8 @@
         const GGLSurface* surface, int32_t opFormat, 
         android_native_buffer_t* buffer, copybit_image_t* img)
 {
-    uint32_t vstride = 0;
-    if (opFormat == COPYBIT_FORMAT_YCbCr_422_SP ||
-            opFormat == COPYBIT_FORMAT_YCbCr_420_SP) {
-        // NOTE: this static_cast is really not safe b/c we can't know for
-        // sure the buffer passed is of the right type.
-        // However, since we do this only for YUV formats, we should be safe
-        // since only SurfaceFlinger makes use of them.
-        GraphicBuffer* graphicBuffer = static_cast<GraphicBuffer*>(buffer);
-        vstride = graphicBuffer->getVerticalStride();
-    }
-
     img->w      = surface->stride;
-    img->h      = vstride ? vstride : surface->height;
+    img->h      = surface->height;
     img->format = opFormat;
     img->base   = surface->data;
     img->handle = (native_handle_t *)buffer->handle;
@@ -98,8 +87,6 @@
     case COPYBIT_FORMAT_BGRA_8888:
     case COPYBIT_FORMAT_RGBA_5551:
     case COPYBIT_FORMAT_RGBA_4444:
-    case COPYBIT_FORMAT_YCbCr_422_SP:
-    case COPYBIT_FORMAT_YCbCr_420_SP:
         return true;
     default:
         return false;