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-rw-r--r--libs/surfaceflinger/Android.mk8
-rw-r--r--libs/surfaceflinger/Layer.cpp12
-rw-r--r--libs/surfaceflinger/LayerBase.cpp42
-rw-r--r--libs/surfaceflinger/SurfaceFlinger.cpp15
-rw-r--r--libs/surfaceflinger/SurfaceFlinger.h5
5 files changed, 73 insertions, 9 deletions
diff --git a/libs/surfaceflinger/Android.mk b/libs/surfaceflinger/Android.mk
index 86eb78d..bf74089 100644
--- a/libs/surfaceflinger/Android.mk
+++ b/libs/surfaceflinger/Android.mk
@@ -38,8 +38,12 @@ LOCAL_SHARED_LIBRARIES := \
libEGL \
libGLESv1_CM \
libbinder \
- libui \
- libsurfaceflinger_client
+ libui
+
+ifneq ($(BOARD_USES_ECLAIR_LIBCAMERA),true)
+ LOCAL_SHARED_LIBRARIES += \
+ libsurfaceflinger_client
+endif
LOCAL_C_INCLUDES := \
$(call include-path-for, corecg graphics)
diff --git a/libs/surfaceflinger/Layer.cpp b/libs/surfaceflinger/Layer.cpp
index ce7e9aa..2c7b4af 100644
--- a/libs/surfaceflinger/Layer.cpp
+++ b/libs/surfaceflinger/Layer.cpp
@@ -133,10 +133,14 @@ status_t Layer::setBuffers( uint32_t w, uint32_t h,
mNeedsBlending = (info.h_alpha - info.l_alpha) > 0;
mNoEGLImageForSwBuffers = !(hwFlags & DisplayHardware::CACHED_BUFFERS);
- // we use the red index
- int displayRedSize = displayInfo.getSize(PixelFormatInfo::INDEX_RED);
- int layerRedsize = info.getSize(PixelFormatInfo::INDEX_RED);
- mNeedsDithering = layerRedsize > displayRedSize;
+ if (mFlinger->getUseDithering()) {
+ // we use the red index
+ int displayRedSize = displayInfo.getSize(PixelFormatInfo::INDEX_RED);
+ int layerRedsize = info.getSize(PixelFormatInfo::INDEX_RED);
+ mNeedsDithering = layerRedsize > displayRedSize;
+ } else {
+ mNeedsDithering = false;
+ }
for (size_t i=0 ; i<NUM_BUFFERS ; i++) {
mBuffers[i] = new GraphicBuffer();
diff --git a/libs/surfaceflinger/LayerBase.cpp b/libs/surfaceflinger/LayerBase.cpp
index a8b735e..f78d140 100644
--- a/libs/surfaceflinger/LayerBase.cpp
+++ b/libs/surfaceflinger/LayerBase.cpp
@@ -33,6 +33,12 @@
#include "SurfaceFlinger.h"
#include "DisplayHardware/DisplayHardware.h"
+#define RENDER_EFFECT_NIGHT 1
+#define RENDER_EFFECT_TERMINAL 2
+#define RENDER_EFFECT_BLUE 3
+#define RENDER_EFFECT_AMBER 4
+#define RENDER_EFFECT_SALMON 5
+#define RENDER_EFFECT_FUSCIA 6
namespace android {
@@ -401,7 +407,10 @@ void LayerBase::drawWithOpenGL(const Region& clip, const Texture& texture) const
glEnable(GL_TEXTURE_2D);
- if (UNLIKELY(s.alpha < 0xFF)) {
+ int renderEffect = mFlinger->getRenderEffect();
+ bool noEffect = renderEffect == 0;
+
+ if (UNLIKELY(s.alpha < 0xFF) && noEffect) {
// We have an alpha-modulation. We need to modulate all
// texture components by alpha because we're always using
// premultiplied alpha.
@@ -423,7 +432,7 @@ void LayerBase::drawWithOpenGL(const Region& clip, const Texture& texture) const
glEnable(GL_BLEND);
glBlendFunc(src, GL_ONE_MINUS_SRC_ALPHA);
glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, env);
- } else {
+ } else if (noEffect) {
glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glColor4x(0x10000, 0x10000, 0x10000, 0x10000);
if (needsBlending()) {
@@ -433,6 +442,35 @@ void LayerBase::drawWithOpenGL(const Region& clip, const Texture& texture) const
} else {
glDisable(GL_BLEND);
}
+ } else {
+ // Apply a render effect, which is simple color masks for now.
+ GLenum env, src;
+ env = GL_MODULATE;
+ src = mPremultipliedAlpha ? GL_ONE : GL_SRC_ALPHA;
+ const GGLfixed alpha = (s.alpha << 16)/255;
+ switch (renderEffect) {
+ case RENDER_EFFECT_NIGHT:
+ glColor4x(alpha, 0, 0, alpha);
+ break;
+ case RENDER_EFFECT_TERMINAL:
+ glColor4x(0, alpha, 0, alpha);
+ break;
+ case RENDER_EFFECT_BLUE:
+ glColor4x(0, 0, alpha, alpha);
+ break;
+ case RENDER_EFFECT_AMBER:
+ glColor4x(alpha, alpha*0.75, 0, alpha);
+ break;
+ case RENDER_EFFECT_SALMON:
+ glColor4x(alpha, alpha*0.5, alpha*0.5, alpha);
+ break;
+ case RENDER_EFFECT_FUSCIA:
+ glColor4x(alpha, 0, alpha*0.5, alpha);
+ break;
+ }
+ glEnable(GL_BLEND);
+ glBlendFunc(src, GL_ONE_MINUS_SRC_ALPHA);
+ glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, env);
}
Region::const_iterator it = clip.begin();
diff --git a/libs/surfaceflinger/SurfaceFlinger.cpp b/libs/surfaceflinger/SurfaceFlinger.cpp
index 0722fda..b868cd1 100644
--- a/libs/surfaceflinger/SurfaceFlinger.cpp
+++ b/libs/surfaceflinger/SurfaceFlinger.cpp
@@ -184,13 +184,15 @@ SurfaceFlinger::SurfaceFlinger()
mFreezeDisplayTime(0),
mDebugRegion(0),
mDebugBackground(0),
+ mRenderEffect(0),
mDebugInSwapBuffers(0),
mLastSwapBufferTime(0),
mDebugInTransaction(0),
mLastTransactionTime(0),
mBootFinished(false),
mConsoleSignals(0),
- mSecureFrameBuffer(0)
+ mSecureFrameBuffer(0),
+ mUseDithering(true)
{
init();
}
@@ -205,9 +207,14 @@ void SurfaceFlinger::init()
mDebugRegion = atoi(value);
property_get("debug.sf.showbackground", value, "0");
mDebugBackground = atoi(value);
+ property_get("debug.sf.render_effect", value, "0");
+ mRenderEffect = atoi(value);
+ property_get("persist.sys.use_dithering", value, "1");
+ mUseDithering = atoi(value) == 1;
LOGI_IF(mDebugRegion, "showupdates enabled");
LOGI_IF(mDebugBackground, "showbackground enabled");
+ LOGI_IF(mUseDithering, "dithering enabled");
}
SurfaceFlinger::~SurfaceFlinger()
@@ -1692,12 +1699,18 @@ status_t SurfaceFlinger::onTransact(
reply->writeInt32(0);
reply->writeInt32(mDebugRegion);
reply->writeInt32(mDebugBackground);
+ reply->writeInt32(mRenderEffect);
return NO_ERROR;
case 1013: {
Mutex::Autolock _l(mStateLock);
const DisplayHardware& hw(graphicPlane(0).displayHardware());
reply->writeInt32(hw.getPageFlipCount());
}
+ case 1014: { // RENDER_EFFECT
+ // TODO: filter to only allow valid effects
+ mRenderEffect = data.readInt32();
+ return NO_ERROR;
+ }
return NO_ERROR;
}
}
diff --git a/libs/surfaceflinger/SurfaceFlinger.h b/libs/surfaceflinger/SurfaceFlinger.h
index d75dc15..812fd43 100644
--- a/libs/surfaceflinger/SurfaceFlinger.h
+++ b/libs/surfaceflinger/SurfaceFlinger.h
@@ -174,6 +174,9 @@ public:
overlay_control_device_t* getOverlayEngine() const;
+ inline int getRenderEffect() const { return mRenderEffect; }
+ inline int getUseDithering() const { return mUseDithering; }
+
status_t removeLayer(const sp<LayerBase>& layer);
status_t addLayer(const sp<LayerBase>& layer);
@@ -354,6 +357,7 @@ private:
// don't use a lock for these, we don't care
int mDebugRegion;
int mDebugBackground;
+ int mRenderEffect;
volatile nsecs_t mDebugInSwapBuffers;
nsecs_t mLastSwapBufferTime;
volatile nsecs_t mDebugInTransaction;
@@ -372,6 +376,7 @@ private:
// only written in the main thread, only read in other threads
volatile int32_t mSecureFrameBuffer;
+ bool mUseDithering;
};
// ---------------------------------------------------------------------------
generated by cgit v1.1 at 2025-08-22 17:15:36 +0000