1 files changed, 118 insertions, 0 deletions
diff --git a/opengl/tests/textures/textures.cpp b/opengl/tests/textures/textures.cpp
new file mode 100644
index 0000000..cbe8ffd
--- /dev/null
+++ b/opengl/tests/textures/textures.cpp
@@ -0,0 +1,118 @@
+/*
+**
+** 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 <EGL/egl.h>
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+
+#include <ui/FramebufferNativeWindow.h>
+#include <ui/EGLUtils.h>
+
+using namespace android;
+
+int main(int argc, char** argv)
+{
+    EGLint configAttribs[] = {
+         EGL_DEPTH_SIZE, 0,
+         EGL_NONE
+     };
+     
+     EGLint majorVersion;
+     EGLint minorVersion;
+     EGLContext context;
+     EGLConfig config;
+     EGLSurface surface;
+     EGLint w, h;
+     EGLDisplay dpy;
+
+     EGLNativeWindowType window = android_createDisplaySurface();
+     
+     dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+     eglInitialize(dpy, &majorVersion, &minorVersion);
+          
+     status_t err = EGLUtils::selectConfigForNativeWindow(
+             dpy, configAttribs, window, &config);
+     if (err) {
+         fprintf(stderr, "couldn't find an EGLConfig matching the screen format\n");
+         return 0;
+     }
+
+     surface = eglCreateWindowSurface(dpy, config, window, 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;
+}