eclair snapshot
diff --git a/libs/surfaceflinger/LayerDim.cpp b/libs/surfaceflinger/LayerDim.cpp
index 0c347cc..fd61e30 100644
--- a/libs/surfaceflinger/LayerDim.cpp
+++ b/libs/surfaceflinger/LayerDim.cpp
@@ -14,8 +14,6 @@
* limitations under the License.
*/
-#define LOG_TAG "SurfaceFlinger"
-
#include <stdlib.h>
#include <stdint.h>
#include <sys/types.h>
@@ -23,9 +21,10 @@
#include <utils/Errors.h>
#include <utils/Log.h>
+#include <ui/GraphicBuffer.h>
+
#include "LayerDim.h"
#include "SurfaceFlinger.h"
-#include "VRamHeap.h"
#include "DisplayHardware/DisplayHardware.h"
namespace android {
@@ -33,27 +32,76 @@
const uint32_t LayerDim::typeInfo = LayerBaseClient::typeInfo | 0x10;
const char* const LayerDim::typeID = "LayerDim";
-sp<MemoryDealer> LayerDim::mDimmerDealer;
-LayerBitmap LayerDim::mDimmerBitmap;
+
+bool LayerDim::sUseTexture;
+GLuint LayerDim::sTexId;
+EGLImageKHR LayerDim::sImage;
+int32_t LayerDim::sWidth;
+int32_t LayerDim::sHeight;
// ---------------------------------------------------------------------------
LayerDim::LayerDim(SurfaceFlinger* flinger, DisplayID display,
- Client* client, int32_t i)
- : LayerBaseClient(flinger, display, client, i)
+ const sp<Client>& client, int32_t i)
+ : LayerBaseClient(flinger, display, client, i)
{
}
void LayerDim::initDimmer(SurfaceFlinger* flinger, uint32_t w, uint32_t h)
{
- // must only be called once.
- mDimmerDealer = flinger->getSurfaceHeapManager()
- ->createHeap(ISurfaceComposer::eHardware);
- if (mDimmerDealer != 0) {
- mDimmerBitmap.init(mDimmerDealer);
- mDimmerBitmap.setBits(w, h, 1, PIXEL_FORMAT_RGB_565);
- mDimmerBitmap.clear();
+ sTexId = -1;
+ sImage = EGL_NO_IMAGE_KHR;
+ sWidth = w;
+ sHeight = h;
+ sUseTexture = false;
+
+#if defined(DIM_WITH_TEXTURE) && defined(EGL_ANDROID_image_native_buffer)
+
+#warning "using a texture to implement LayerDim"
+
+ /* On some h/w like msm7K, it is faster to use a texture because the
+ * software renderer will defer to copybit, for this to work we need to
+ * use an EGLImage texture so copybit can actually make use of it.
+ * This burns a full-screen worth of graphic memory.
+ */
+
+ const DisplayHardware& hw(flinger->graphicPlane(0).displayHardware());
+ uint32_t flags = hw.getFlags();
+
+ if (LIKELY(flags & DisplayHardware::DIRECT_TEXTURE)) {
+ sp<GraphicBuffer> buffer = new GraphicBuffer(w, h, PIXEL_FORMAT_RGB_565,
+ GraphicBuffer::USAGE_SW_WRITE_OFTEN |
+ GraphicBuffer::USAGE_HW_TEXTURE);
+
+ android_native_buffer_t* clientBuf = buffer->getNativeBuffer();
+
+ glGenTextures(1, &sTexId);
+ glBindTexture(GL_TEXTURE_2D, sTexId);
+
+ EGLDisplay dpy = eglGetCurrentDisplay();
+ sImage = eglCreateImageKHR(dpy, EGL_NO_CONTEXT,
+ EGL_NATIVE_BUFFER_ANDROID, (EGLClientBuffer)clientBuf, 0);
+ if (sImage == EGL_NO_IMAGE_KHR) {
+ LOGE("eglCreateImageKHR() failed. err=0x%4x", eglGetError());
+ return;
+ }
+
+ glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, (GLeglImageOES)sImage);
+ GLint error = glGetError();
+ if (error != GL_NO_ERROR) {
+ eglDestroyImageKHR(dpy, sImage);
+ LOGE("glEGLImageTargetTexture2DOES() failed. err=0x%4x", error);
+ return;
+ }
+
+ // initialize the texture with zeros
+ GGLSurface t;
+ buffer->lock(&t, GRALLOC_USAGE_SW_WRITE_OFTEN);
+ memset(t.data, 0, t.stride * t.height * 2);
+ buffer->unlock();
+ sUseTexture = true;
}
+#endif
}
LayerDim::~LayerDim()
@@ -63,49 +111,56 @@
void LayerDim::onDraw(const Region& clip) const
{
const State& s(drawingState());
-
- Region::iterator iterator(clip);
- if (s.alpha>0 && iterator) {
+ Region::const_iterator it = clip.begin();
+ Region::const_iterator const end = clip.end();
+ if (s.alpha>0 && (it != end)) {
const DisplayHardware& hw(graphicPlane(0).displayHardware());
-
- status_t err = NO_ERROR;
- const int can_use_copybit = canUseCopybit();
- if (can_use_copybit) {
- // StopWatch watch("copybit");
- copybit_image_t dst;
- hw.getDisplaySurface(&dst);
- const copybit_rect_t& drect
- = reinterpret_cast<const copybit_rect_t&>(mTransformedBounds);
-
- copybit_image_t src;
- mDimmerBitmap.getBitmapSurface(&src);
- const copybit_rect_t& srect(drect);
-
- copybit_device_t* copybit = mFlinger->getBlitEngine();
- copybit->set_parameter(copybit, COPYBIT_TRANSFORM, 0);
- copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, s.alpha);
- copybit->set_parameter(copybit, COPYBIT_DITHER, COPYBIT_ENABLE);
- region_iterator it(clip);
- err = copybit->stretch(copybit, &dst, &src, &drect, &srect, &it);
+ const GGLfixed alpha = (s.alpha << 16)/255;
+ const uint32_t fbHeight = hw.getHeight();
+ glDisable(GL_DITHER);
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
+ glColor4x(0, 0, 0, alpha);
+
+#if defined(DIM_WITH_TEXTURE) && defined(EGL_ANDROID_image_native_buffer)
+ if (sUseTexture) {
+ glBindTexture(GL_TEXTURE_2D, sTexId);
+ glEnable(GL_TEXTURE_2D);
+ glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+ const GLshort texCoords[4][2] = {
+ { 0, 0 },
+ { 0, 1 },
+ { 1, 1 },
+ { 1, 0 }
+ };
+ glMatrixMode(GL_TEXTURE);
+ glLoadIdentity();
+ glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+ glTexCoordPointer(2, GL_SHORT, 0, texCoords);
+ } else
+#endif
+ {
+ glDisable(GL_TEXTURE_2D);
}
- if (!can_use_copybit || err) {
- const GGLfixed alpha = (s.alpha << 16)/255;
- const uint32_t fbHeight = hw.getHeight();
- glDisable(GL_TEXTURE_2D);
- glDisable(GL_DITHER);
- glEnable(GL_BLEND);
- glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
- glColor4x(0, 0, 0, alpha);
- glVertexPointer(2, GL_FIXED, 0, mVertices);
- Rect r;
- while (iterator.iterate(&r)) {
- const GLint sy = fbHeight - (r.top + r.height());
- glScissor(r.left, sy, r.width(), r.height());
- glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
- }
+ GLshort w = sWidth;
+ GLshort h = sHeight;
+ const GLshort vertices[4][2] = {
+ { 0, 0 },
+ { 0, h },
+ { w, h },
+ { w, 0 }
+ };
+ glVertexPointer(2, GL_SHORT, 0, vertices);
+
+ while (it != end) {
+ const Rect& r = *it++;
+ const GLint sy = fbHeight - (r.top + r.height());
+ glScissor(r.left, sy, r.width(), r.height());
+ glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
}
}
+ glDisableClientState(GL_TEXTURE_COORD_ARRAY);
}
// ---------------------------------------------------------------------------