From e09fd9e819c23dc90bca68375645e15544861330 Mon Sep 17 00:00:00 2001
From: The Android Open Source Project <initial-contribution@android.com>
Date: Wed, 17 Dec 2008 18:05:43 -0800
Subject: Code drop from //branches/cupcake/...@124589

---
 opengl/tests/textures/Android.mk |  16 ++++++
 opengl/tests/textures/textures.c | 107 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 123 insertions(+)
 create mode 100644 opengl/tests/textures/Android.mk
 create mode 100644 opengl/tests/textures/textures.c

(limited to 'opengl/tests/textures')

diff --git a/opengl/tests/textures/Android.mk b/opengl/tests/textures/Android.mk
new file mode 100644
index 0000000..b0c9021
--- /dev/null
+++ b/opengl/tests/textures/Android.mk
@@ -0,0 +1,16 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+	textures.c
+
+LOCAL_SHARED_LIBRARIES := \
+	libcutils \
+    libGLES_CM \
+    libui
+
+LOCAL_MODULE:= test-opengl-textures
+
+LOCAL_MODULE_TAGS := tests
+
+include $(BUILD_EXECUTABLE)
diff --git a/opengl/tests/textures/textures.c b/opengl/tests/textures/textures.c
new file mode 100644
index 0000000..98e3be1
--- /dev/null
+++ b/opengl/tests/textures/textures.c
@@ -0,0 +1,107 @@
+/*
+**
+** Copyright 2006, 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 <stdio.h>
+
+#include <GLES/egl.h>
+
+int main(int argc, char** argv)
+{
+    EGLint s_configAttribs[] = {
+         EGL_RED_SIZE,       5,
+         EGL_GREEN_SIZE,     6,
+         EGL_BLUE_SIZE,      5,
+         EGL_NONE
+     };
+     
+     EGLint numConfigs = -1;
+     EGLint majorVersion;
+     EGLint minorVersion;
+     EGLConfig config;
+     EGLContext context;
+     EGLSurface surface;
+     EGLint w, h;
+     
+     EGLDisplay dpy;
+
+     dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+     eglInitialize(dpy, &majorVersion, &minorVersion);
+     eglChooseConfig(dpy, s_configAttribs, &config, 1, &numConfigs);
+     surface = eglCreateWindowSurface(dpy, config,
+             android_createDisplaySurface(), NULL);
+     context = eglCreateContext(dpy, config, NULL, NULL);
+     eglMakeCurrent(dpy, surface, surface, context);   
+     eglQuerySurface(dpy, surface, EGL_WIDTH, &w);
+     eglQuerySurface(dpy, surface, EGL_HEIGHT, &h);
+     GLint dim = w<h ? w : h;
+
+
+     GLint crop[4] = { 0, 4, 4, -4 };
+     glBindTexture(GL_TEXTURE_2D, 0);
+     glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop);
+     glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+     glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+     glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+     glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+     glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+     glEnable(GL_TEXTURE_2D);
+     glColor4f(1,1,1,1);
+
+     // packing is always 4
+     uint8_t t8[]  = { 
+             0x00, 0x55, 0x00, 0x55, 
+             0xAA, 0xFF, 0xAA, 0xFF,
+             0x00, 0x55, 0x00, 0x55, 
+             0xAA, 0xFF, 0xAA, 0xFF  };
+
+     uint16_t t16[]  = { 
+             0x0000, 0x5555, 0x0000, 0x5555, 
+             0xAAAA, 0xFFFF, 0xAAAA, 0xFFFF,
+             0x0000, 0x5555, 0x0000, 0x5555, 
+             0xAAAA, 0xFFFF, 0xAAAA, 0xFFFF  };
+
+     uint16_t t5551[]  = { 
+             0x0000, 0xFFFF, 0x0000, 0xFFFF, 
+             0xFFFF, 0x0000, 0xFFFF, 0x0000,
+             0x0000, 0xFFFF, 0x0000, 0xFFFF, 
+             0xFFFF, 0x0000, 0xFFFF, 0x0000  };
+
+     uint32_t t32[]  = { 
+             0xFF000000, 0xFF0000FF, 0xFF00FF00, 0xFFFF0000, 
+             0xFF00FF00, 0xFFFF0000, 0xFF000000, 0xFF0000FF, 
+             0xFF00FFFF, 0xFF00FF00, 0x00FF00FF, 0xFFFFFF00, 
+             0xFF000000, 0xFFFF00FF, 0xFF00FFFF, 0xFFFFFFFF
+     };
+
+
+     glClear(GL_COLOR_BUFFER_BIT);
+     glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, 4, 4, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, t8);
+     glDrawTexiOES(0, 0, 0, dim/2, dim/2);
+
+     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 4, 4, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, t16);
+     glDrawTexiOES(dim/2, 0, 0, dim/2, dim/2);
+
+     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 4, 4, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, t16);
+     glDrawTexiOES(0, dim/2, 0, dim/2, dim/2);
+
+     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 4, 4, 0, GL_RGBA, GL_UNSIGNED_BYTE, t32);
+     glDrawTexiOES(dim/2, dim/2, 0, dim/2, dim/2);
+
+     eglSwapBuffers(dpy, surface);
+     return 0;
+}
-- 
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