commit 401ef83b9d9cc78a6ebe30d289a80d4eee06286b
author Chia-I Wu <olv@google.com> Fri Dec 01 10:52:22 2017 -0800
committer Chia-I Wu <olv@google.com> Wed Dec 20 11:50:16 2017 -0800
tree e9dbc705cfedacbe85fb9a19bfbe0cb0062f02f8
parent 767fcf7ef21a2db44ead9e685ebe48f638f3e651

surfaceflinger: add image abstraction to RenderEngine

Similar to Surface, Image manages the creation and destruction of an
EGLImageKHR.

Test: builds
Change-Id: I2ca98e99013f0a4028f0ea5036f37b20fd67d956

services/surfaceflinger/RenderEngine/RenderEngine.cpp

diff --git a/services/surfaceflinger/RenderEngine/RenderEngine.cpp b/services/surfaceflinger/RenderEngine/RenderEngine.cpp
index d5471ad..f1415c9 100644
--- a/services/surfaceflinger/RenderEngine/RenderEngine.cpp
+++ b/services/surfaceflinger/RenderEngine/RenderEngine.cpp
@@ -20,6 +20,7 @@
 
 #include "GLES20RenderEngine.h"
 #include "GLExtensions.h"
+#include "Image.h"
 #include "Mesh.h"
 #include "RenderEngine.h"
 
@@ -152,6 +153,10 @@
     return mEGLConfig;
 }
 
+bool RenderEngine::supportsImageCrop() const {
+    return GLExtensions::getInstance().hasImageCrop();
+}
+
 bool RenderEngine::setCurrentSurface(const RE::Surface& surface) {
     bool success = true;
     EGLSurface eglSurface = surface.getEGLSurface();
@@ -324,6 +329,15 @@
     glDeleteTextures(count, names);
 }
 
+void RenderEngine::bindExternalTextureImage(uint32_t texName, const RE::Image& image) {
+    const GLenum target = GL_TEXTURE_EXTERNAL_OES;
+
+    glBindTexture(target, texName);
+    if (image.getEGLImage() != EGL_NO_IMAGE_KHR) {
+        glEGLImageTargetTexture2DOES(target, static_cast<GLeglImageOES>(image.getEGLImage()));
+    }
+}
+
 void RenderEngine::readPixels(size_t l, size_t b, size_t w, size_t h, uint32_t* pixels) {
     glReadPixels(l, b, w, h, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
 }