Code drop from //branches/cupcake/...@124589
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;
+}