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-rw-r--r--libs/surfaceflinger/LayerDim.cpp168
1 files changed, 0 insertions, 168 deletions
diff --git a/libs/surfaceflinger/LayerDim.cpp b/libs/surfaceflinger/LayerDim.cpp
deleted file mode 100644
index fd61e30..0000000
--- a/libs/surfaceflinger/LayerDim.cpp
+++ /dev/null
@@ -1,168 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdlib.h>
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <utils/Errors.h>
-#include <utils/Log.h>
-
-#include <ui/GraphicBuffer.h>
-
-#include "LayerDim.h"
-#include "SurfaceFlinger.h"
-#include "DisplayHardware/DisplayHardware.h"
-
-namespace android {
-// ---------------------------------------------------------------------------
-
-const uint32_t LayerDim::typeInfo = LayerBaseClient::typeInfo | 0x10;
-const char* const LayerDim::typeID = "LayerDim";
-
-bool LayerDim::sUseTexture;
-GLuint LayerDim::sTexId;
-EGLImageKHR LayerDim::sImage;
-int32_t LayerDim::sWidth;
-int32_t LayerDim::sHeight;
-
-// ---------------------------------------------------------------------------
-
-LayerDim::LayerDim(SurfaceFlinger* flinger, DisplayID display,
- const sp<Client>& client, int32_t i)
- : LayerBaseClient(flinger, display, client, i)
-{
-}
-
-void LayerDim::initDimmer(SurfaceFlinger* flinger, uint32_t w, uint32_t h)
-{
- 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()
-{
-}
-
-void LayerDim::onDraw(const Region& clip) const
-{
- const State& s(drawingState());
- 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());
- 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);
- }
-
- 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);
-}
-
-// ---------------------------------------------------------------------------
-
-}; // namespace android