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POAndroid OpenGL ES 1.1 white box textures
 

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  1. POAndroid OpenGL ES 1.1 white box textures
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    <p><br> I am having an issue where textures from the resources become just white. The issue only seems to occur on phones (Droid-X for sure), but it works just fine on the emulator. I have researched this issue for days and tried so many things. <br> <br> Textures are POT ranging from 8x8 to 128x128 <br> Textures have been in res/drawable, res/drawable-nodpi and res/raw <br> Tried with and without this in the manifest file:</p> <pre><code>&lt;supports-screens android:anyDensity="true" /&gt; </code></pre> <p><br> I am at a complete loss on this.</p> <p>Here is the code I am using <br> gl is GL10 and gl11 is GL11 <br> <br></p> <pre><code>During onSurfaceCreated gl.glEnable(GL10.GL_TEXTURE_2D); gl.glEnable(GL10.GL_BLEND); gl.glDisable(GL10.GL_DEPTH_TEST); gl.glDisable(GL10.GL_DITHER); gl.glDisable(GL10.GL_LIGHTING); gl.glShadeModel(GL10.GL_FLAT); gl.glClearColor(0.00f, 0.00f, 0.00f, 1.00f); gl.glBlendFunc(GL10.GL_SRC_ALPHA, GL10.GL_DST_ALPHA); gl.glOrthof(-1, 1, -1, 1, -1, 1); gl.glColor4f(0.5f, 0.5f, 0.5f, 0.5f); gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER, GL10.GL_NEAREST); gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MAG_FILTER, GL10.GL_NEAREST); gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_S, GL10.GL_CLAMP_TO_EDGE); gl.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_T, GL10.GL_CLAMP_TO_EDGE); gl.glTexEnvf(GL10.GL_TEXTURE_ENV, GL10.GL_TEXTURE_ENV_MODE, GL10.GL_REPLACE); gl.glFrontFace(GL10.GL_CCW); gl.glEnableClientState(GL10.GL_VERTEX_ARRAY); gl.glEnableClientState(GL10.GL_TEXTURE_COORD_ARRAY); </code></pre> <p>During onSurfaceChanged</p> <pre><code>gl.glMatrixMode(GL10.GL_PROJECTION); gl.glLoadIdentity(); gl.glMatrixMode(GL10.GL_MODELVIEW); gl.glLoadIdentity(); gl.glViewport(0, 0, width, height); </code></pre> <p>Generating the VBO:</p> <pre><code>public final float vertices[] = { -1.0f, -1.0f, 1.0f, 1.0f, -1.0f, 1.0f, -1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f }; public float textureCoord[] = { 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f, 1.0f }; public final byte indices[] = { 0, 1, 3, 0, 3, 2 }; verticesBuffer = ByteBuffer.allocateDirect(vertices.length * Constants.FLOAT_SIZE).order(ByteOrder.nativeOrder()).asFloatBuffer(); textureCoordBuffer = ByteBuffer.allocateDirect(textureCoord.length * Constants.FLOAT_SIZE).order(ByteOrder.nativeOrder()).asFloatBuffer(); indicesBuffer = ByteBuffer.allocateDirect(indices.length).order(ByteOrder.nativeOrder()); // fill buffers verticesBuffer.put(vertices); textureCoordBuffer.put(textureCoord); indicesBuffer.put(indices); // set pointer positions verticesBuffer.position(0); textureCoordBuffer.position(0); indicesBuffer.position(0); // temp buffer array int[] buffer = new int[1]; // VERTICES BUFFER. gl11.glGenBuffers(1, buffer, 0); verticesBufferIndex = buffer[0]; gl11.glBindBuffer(GL11.GL_ARRAY_BUFFER, verticesBufferIndex); final int vertexSize = verticesBuffer.capacity() * Constants.FLOAT_SIZE; gl11.glBufferData(GL11.GL_ARRAY_BUFFER, vertexSize, verticesBuffer, GL11.GL_STATIC_DRAW); // TEXTURE COORD BUUFER gl11.glGenBuffers(1, buffer, 0); textureCoordBufferIndex = buffer[0]; gl11.glBindBuffer(GL11.GL_ARRAY_BUFFER, textureCoordBufferIndex); final int texCoordSize = textureCoordBuffer.capacity() * Constants.FLOAT_SIZE; gl11.glBufferData(GL11.GL_ARRAY_BUFFER, texCoordSize, textureCoordBuffer, GL11.GL_STATIC_DRAW); // clear buffer id gl11.glBindBuffer(GL11.GL_ARRAY_BUFFER, 0); // Unbind the array buffer. gl11.glBindBuffer(GL11.GL_ARRAY_BUFFER, 0); gl11.glGenBuffers(1, buffer, 0); // INDICES BUFFER indicesBufferIndex = buffer[0]; gl11.glBindBuffer(GL11.GL_ELEMENT_ARRAY_BUFFER, indicesBufferIndex); final int indexSize = indicesBuffer.capacity(); gl11.glBufferData(GL11.GL_ELEMENT_ARRAY_BUFFER, indexSize, indicesBuffer, GL11.GL_STATIC_DRAW); // Unbind the element array buffer. gl11.glBindBuffer(GL11.GL_ELEMENT_ARRAY_BUFFER, 0); gl11.glBindBuffer(GL11.GL_ARRAY_BUFFER, verticesBufferIndex); gl11.glVertexPointer(3, GL11.GL_FLOAT, 0, 0); gl11.glBindBuffer(GL11.GL_ARRAY_BUFFER, textureCoordBufferIndex); gl11.glTexCoordPointer(2, GL11.GL_FLOAT, 0, 0); gl11.glBindBuffer(GL11.GL_ELEMENT_ARRAY_BUFFER, indicesBufferIndex); BitmapFactory.Options sBitmapOptions = new BitmapFactory.Options(); sBitmapOptions.inPreferredConfig = Bitmap.Config.ARGB_4444; // many of these calls : Bitmap bitmap = BitmapFactory.decodeStream(resources.openRawResource(resourceID), null, sBitmapOptions); int[] textures = new int[1]; gl.glGenTextures(1, textures, 0); gl.glBindTexture(GL10.GL_TEXTURE_2D, textures[0]); mCropWorkspace[0] = 0; mCropWorkspace[1] = bitmap.getHeight(); mCropWorkspace[2] = bitmap.getWidth(); mCropWorkspace[3] = -bitmap.getHeight(); ((GL11) gl).glTexParameteriv(GL10.GL_TEXTURE_2D, GL11Ext.GL_TEXTURE_CROP_RECT_OES, mCropWorkspace, 0); GLUtils.texImage2D(GL10.GL_TEXTURE_2D, 0, bitmap, 0); bitmap.recycle(); return texture[0]; // which gets stored into textureID for later </code></pre> <p>During onDrawFrame</p> <pre><code>gl.glClear(GL10.GL_COLOR_BUFFER_BIT); // and many of these gl11.glPushMatrix(); // transfomations gl11.glBindTexture(GL11.GL_TEXTURE_2D, textureID); gl11.glDrawElements(GL10.GL_TRIANGLES, indicesCount, GL10.GL_UNSIGNED_BYTE, 0); gl11.glPopMatrix(); </code></pre> <p><br> Sorry for all the code but I think everything is there.<br> Thank you,<br> Will</p>
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