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-rw-r--r--include/private/surfaceflinger/SharedBufferStack.h39
-rw-r--r--include/surfaceflinger/ISurfaceFlingerClient.h9
-rw-r--r--include/surfaceflinger/Surface.h5
-rw-r--r--include/ui/GraphicBufferAllocator.h2
-rw-r--r--include/ui/egl/android_natives.h38
5 files changed, 75 insertions, 18 deletions
diff --git a/include/private/surfaceflinger/SharedBufferStack.h b/include/private/surfaceflinger/SharedBufferStack.h
index 9b5a1e0..6ace5bc 100644
--- a/include/private/surfaceflinger/SharedBufferStack.h
+++ b/include/private/surfaceflinger/SharedBufferStack.h
@@ -58,7 +58,7 @@ namespace android {
// When changing these values, the COMPILE_TIME_ASSERT at the end of this
// file need to be updated.
const unsigned int NUM_LAYERS_MAX = 31;
-const unsigned int NUM_BUFFER_MAX = 4;
+const unsigned int NUM_BUFFER_MAX = 16;
const unsigned int NUM_DISPLAY_MAX = 4;
// ----------------------------------------------------------------------------
@@ -69,7 +69,11 @@ class SharedClient;
// ----------------------------------------------------------------------------
-// should be 128 bytes (32 longs)
+// 4 * (11 + 7 + (1 + 2*NUM_RECT_MAX) * NUM_BUFFER_MAX) * NUM_LAYERS_MAX
+// 4 * (11 + 7 + (1 + 2*7)*16) * 31
+// 1032 * 31
+// = ~27 KiB (31992)
+
class SharedBufferStack
{
friend class SharedClient;
@@ -78,21 +82,31 @@ class SharedBufferStack
friend class SharedBufferServer;
public:
- struct FlatRegion { // 12 bytes
- static const unsigned int NUM_RECT_MAX = 1;
- uint32_t count;
- uint16_t rects[4*NUM_RECT_MAX];
- };
-
struct Statistics { // 4 longs
typedef int32_t usecs_t;
usecs_t totalTime;
usecs_t reserved[3];
};
+
+ struct SmallRect {
+ uint16_t l, t, r, b;
+ };
+
+ struct FlatRegion { // 52 bytes = 4 * (1 + 2*N)
+ static const unsigned int NUM_RECT_MAX = 6;
+ uint32_t count;
+ SmallRect rects[NUM_RECT_MAX];
+ };
+
+ struct BufferData {
+ FlatRegion dirtyRegion;
+ SmallRect crop;
+ };
SharedBufferStack();
void init(int32_t identity);
status_t setDirtyRegion(int buffer, const Region& reg);
+ status_t setCrop(int buffer, const Rect& reg);
Region getDirtyRegion(int buffer) const;
// these attributes are part of the conditions/updates
@@ -106,9 +120,10 @@ public:
volatile int32_t reallocMask;
int32_t identity; // surface's identity (const)
- int32_t reserved32[9];
+ int32_t reserved32[6];
Statistics stats;
- FlatRegion dirtyRegion[NUM_BUFFER_MAX]; // 12*4=48 bytes
+ int32_t reserved;
+ BufferData buffers[NUM_BUFFER_MAX]; // 960 bytes
};
// ----------------------------------------------------------------------------
@@ -238,6 +253,7 @@ public:
status_t queue(int buf);
bool needNewBuffer(int buffer) const;
status_t setDirtyRegion(int buffer, const Region& reg);
+ status_t setCrop(int buffer, const Rect& reg);
private:
friend struct Condition;
@@ -349,8 +365,7 @@ struct surface_flinger_cblk_t // 4KB max
// ---------------------------------------------------------------------------
-COMPILE_TIME_ASSERT(sizeof(SharedClient) <= 4096)
-COMPILE_TIME_ASSERT(sizeof(SharedBufferStack) == 128)
+COMPILE_TIME_ASSERT(sizeof(SharedClient) <= 32768)
COMPILE_TIME_ASSERT(sizeof(surface_flinger_cblk_t) <= 4096)
// ---------------------------------------------------------------------------
diff --git a/include/surfaceflinger/ISurfaceFlingerClient.h b/include/surfaceflinger/ISurfaceFlingerClient.h
index d257645..c96432f 100644
--- a/include/surfaceflinger/ISurfaceFlingerClient.h
+++ b/include/surfaceflinger/ISurfaceFlingerClient.h
@@ -59,6 +59,9 @@ public:
virtual sp<IMemoryHeap> getControlBlock() const = 0;
+ /*
+ * Requires ACCESS_SURFACE_FLINGER permission
+ */
virtual sp<ISurface> createSurface( surface_data_t* data,
int pid,
const String8& name,
@@ -68,8 +71,14 @@ public:
PixelFormat format,
uint32_t flags) = 0;
+ /*
+ * Requires ACCESS_SURFACE_FLINGER permission
+ */
virtual status_t destroySurface(SurfaceID sid) = 0;
+ /*
+ * Requires ACCESS_SURFACE_FLINGER permission
+ */
virtual status_t setState(int32_t count, const layer_state_t* states) = 0;
};
diff --git a/include/surfaceflinger/Surface.h b/include/surfaceflinger/Surface.h
index 0279d84..68809a9 100644
--- a/include/surfaceflinger/Surface.h
+++ b/include/surfaceflinger/Surface.h
@@ -30,6 +30,8 @@
#include <surfaceflinger/ISurface.h>
#include <surfaceflinger/ISurfaceFlingerClient.h>
+#define ANDROID_VIEW_SURFACE_JNI_ID "mNativeSurface"
+
namespace android {
// ---------------------------------------------------------------------------
@@ -213,10 +215,12 @@ private:
void dispatch_setUsage(va_list args);
int dispatch_connect(va_list args);
int dispatch_disconnect(va_list args);
+ int dispatch_crop(va_list args);
void setUsage(uint32_t reqUsage);
int connect(int api);
int disconnect(int api);
+ int crop(Rect const* rect);
uint32_t getUsage() const;
int getConnectedApi() const;
@@ -235,6 +239,7 @@ private:
Rect mSwapRectangle;
uint32_t mUsage;
int mConnected;
+ Rect mNextBufferCrop;
// protected by mSurfaceLock. These are also used from lock/unlock
// but in that case, they must be called form the same thread.
diff --git a/include/ui/GraphicBufferAllocator.h b/include/ui/GraphicBufferAllocator.h
index 741d763..54b8236 100644
--- a/include/ui/GraphicBufferAllocator.h
+++ b/include/ui/GraphicBufferAllocator.h
@@ -73,9 +73,9 @@ private:
struct alloc_rec_t {
uint32_t w;
uint32_t h;
+ uint32_t s;
PixelFormat format;
uint32_t usage;
- void* vaddr;
size_t size;
};
diff --git a/include/ui/egl/android_natives.h b/include/ui/egl/android_natives.h
index 773fd93..471c3c7 100644
--- a/include/ui/egl/android_natives.h
+++ b/include/ui/egl/android_natives.h
@@ -41,6 +41,14 @@ extern "C" {
struct android_native_buffer_t;
+typedef struct android_native_rect_t
+{
+ int32_t left;
+ int32_t top;
+ int32_t right;
+ int32_t bottom;
+} android_native_rect_t;
+
// ---------------------------------------------------------------------------
typedef struct android_native_base_t
@@ -63,15 +71,16 @@ typedef struct android_native_base_t
/* attributes queriable with query() */
enum {
NATIVE_WINDOW_WIDTH = 0,
- NATIVE_WINDOW_HEIGHT = 1,
- NATIVE_WINDOW_FORMAT = 2,
+ NATIVE_WINDOW_HEIGHT,
+ NATIVE_WINDOW_FORMAT,
};
/* valid operations for the (*perform)() hook */
enum {
NATIVE_WINDOW_SET_USAGE = 0,
- NATIVE_WINDOW_CONNECT = 1,
- NATIVE_WINDOW_DISCONNECT = 2
+ NATIVE_WINDOW_CONNECT,
+ NATIVE_WINDOW_DISCONNECT,
+ NATIVE_WINDOW_SET_CROP,
};
/* parameter for NATIVE_WINDOW_[DIS]CONNECT */
@@ -125,7 +134,7 @@ typedef struct android_native_window_t
*
* Returns 0 on success or -errno on error.
*/
- int (*dequeueBuffer)(struct android_native_window_t* window,
+ int (*dequeueBuffer)(struct android_native_window_t* window,
struct android_native_buffer_t** buffer);
/*
@@ -171,6 +180,7 @@ typedef struct android_native_window_t
* NATIVE_WINDOW_SET_USAGE
* NATIVE_WINDOW_CONNECT
* NATIVE_WINDOW_DISCONNECT
+ * NATIVE_WINDOW_SET_CROP
*
*/
@@ -221,6 +231,24 @@ static inline int native_window_disconnect(
return window->perform(window, NATIVE_WINDOW_DISCONNECT, api);
}
+/*
+ * native_window_set_crop(..., crop) sets which region of the next queued
+ * buffers needs to be considered.
+ * A buffer's crop region is scaled to match the surface's size.
+ *
+ * The specified crop region applies to all buffers queued after it is called.
+ *
+ * if 'crop' is NULL, subsequently queued buffers won't be cropped.
+ *
+ * An error is returned if for instance the crop region is invalid,
+ * out of the buffer's bound or if the window is invalid.
+ */
+static inline int native_window_set_crop(
+ android_native_window_t* window,
+ android_native_rect_t const * crop)
+{
+ return window->perform(window, NATIVE_WINDOW_SET_CROP, crop);
+}
// ---------------------------------------------------------------------------
generated by cgit v1.1 at 2024-10-28 00:59:43 +0000