libgui: Split SurfaceTexture tests into more files

Extract the many different test fixtures and suites in SurfaceTexture_test.cpp
into separate files. No real functional changes, just tweaking headers to keep
things building (and adding a few copyright headers I forgot last time).

Change-Id: Id801bd5d617f0cc61d22508fb9b71b41694bdecf
diff --git a/libs/gui/tests/SurfaceTextureFBO.h b/libs/gui/tests/SurfaceTextureFBO.h
new file mode 100644
index 0000000..7f1ae84
--- /dev/null
+++ b/libs/gui/tests/SurfaceTextureFBO.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2013 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.
+ */
+
+#ifndef ANDROID_SURFACE_TEXTURE_FBO_H
+#define ANDROID_SURFACE_TEXTURE_FBO_H
+
+#include "SurfaceTextureGL.h"
+
+#include <GLES2/gl2.h>
+
+namespace android {
+
+class SurfaceTextureFBOTest : public SurfaceTextureGLTest {
+protected:
+    virtual void SetUp() {
+        SurfaceTextureGLTest::SetUp();
+
+        glGenFramebuffers(1, &mFbo);
+        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+
+        glGenTextures(1, &mFboTex);
+        glBindTexture(GL_TEXTURE_2D, mFboTex);
+        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, getSurfaceWidth(),
+                getSurfaceHeight(), 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+        glBindTexture(GL_TEXTURE_2D, 0);
+        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+
+        glBindFramebuffer(GL_FRAMEBUFFER, mFbo);
+        glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+                GL_TEXTURE_2D, mFboTex, 0);
+        glBindFramebuffer(GL_FRAMEBUFFER, 0);
+        ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError());
+    }
+
+    virtual void TearDown() {
+        SurfaceTextureGLTest::TearDown();
+
+        glDeleteTextures(1, &mFboTex);
+        glDeleteFramebuffers(1, &mFbo);
+    }
+
+    GLuint mFbo;
+    GLuint mFboTex;
+};
+
+void fillRGBA8BufferSolid(uint8_t* buf, int w, int h, int stride,
+        uint8_t r, uint8_t g, uint8_t b, uint8_t a) {
+    const size_t PIXEL_SIZE = 4;
+    for (int y = 0; y < h; y++) {
+        for (int x = 0; x < w; x++) {
+            off_t offset = (y * stride + x) * PIXEL_SIZE;
+            buf[offset + 0] = r;
+            buf[offset + 1] = g;
+            buf[offset + 2] = b;
+            buf[offset + 3] = a;
+        }
+    }
+}
+
+} // namespace android
+
+#endif