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Diffstat (limited to 'graphics/java/android/renderscript/Program.java')
| -rw-r--r-- | graphics/java/android/renderscript/Program.java | 370 |
1 files changed, 0 insertions, 370 deletions
diff --git a/graphics/java/android/renderscript/Program.java b/graphics/java/android/renderscript/Program.java deleted file mode 100644 index bc2ca35..0000000 --- a/graphics/java/android/renderscript/Program.java +++ /dev/null @@ -1,370 +0,0 @@ -/* - * Copyright (C) 2008 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. - */ - -package android.renderscript; - - -import java.io.IOException; -import java.io.InputStream; -import java.io.UnsupportedEncodingException; - -import android.content.res.Resources; -import android.util.Log; - - -/** - * @hide - * - * Program is a base class for all the objects that modify - * various stages of the graphics pipeline - * - **/ -public class Program extends BaseObj { - static final int MAX_INPUT = 8; - static final int MAX_OUTPUT = 8; - static final int MAX_CONSTANT = 8; - static final int MAX_TEXTURE = 8; - - /** - * - * TextureType specifies what textures are attached to Program - * objects - * - **/ - public enum TextureType { - TEXTURE_2D (0), - TEXTURE_CUBE (1); - - int mID; - TextureType(int id) { - mID = id; - } - } - - enum ProgramParam { - INPUT (0), - OUTPUT (1), - CONSTANT (2), - TEXTURE_TYPE (3); - - int mID; - ProgramParam(int id) { - mID = id; - } - }; - - Element mInputs[]; - Element mOutputs[]; - Type mConstants[]; - TextureType mTextures[]; - String mTextureNames[]; - int mTextureCount; - String mShader; - - Program(int id, RenderScript rs) { - super(id, rs); - } - - /** - * Program object can have zero or more constant allocations - * associated with it. This method returns the total count. - * @return number of constant input types - */ - public int getConstantCount() { - return mConstants != null ? mConstants.length : 0; - } - - /** - * Returns the type of the constant buffer used in the program - * object. It could be used to query internal elements or create - * an allocation to store constant data. - * @param slot index of the constant input type to return - * @return constant input type - */ - public Type getConstant(int slot) { - if (slot < 0 || slot >= mConstants.length) { - throw new IllegalArgumentException("Slot ID out of range."); - } - return mConstants[slot]; - } - - /** - * Returns the number of textures used in this program object - * @return number of texture inputs - */ - public int getTextureCount() { - return mTextureCount; - } - - /** - * Returns the type of texture at a given slot. e.g. 2D or Cube - * @param slot index of the texture input - * @return texture input type - */ - public TextureType getTextureType(int slot) { - if ((slot < 0) || (slot >= mTextureCount)) { - throw new IllegalArgumentException("Slot ID out of range."); - } - return mTextures[slot]; - } - - /** - * Returns the name of the texture input at a given slot. e.g. - * tex0, diffuse, spec - * @param slot index of the texture input - * @return texture input name - */ - public String getTextureName(int slot) { - if ((slot < 0) || (slot >= mTextureCount)) { - throw new IllegalArgumentException("Slot ID out of range."); - } - return mTextureNames[slot]; - } - - /** - * Binds a constant buffer to be used as uniform inputs to the - * program - * - * @param a allocation containing uniform data - * @param slot index within the program's list of constant - * buffer allocations - */ - public void bindConstants(Allocation a, int slot) { - if (slot < 0 || slot >= mConstants.length) { - throw new IllegalArgumentException("Slot ID out of range."); - } - if (a != null && - a.getType().getID(mRS) != mConstants[slot].getID(mRS)) { - throw new IllegalArgumentException("Allocation type does not match slot type."); - } - int id = a != null ? a.getID(mRS) : 0; - mRS.nProgramBindConstants(getID(mRS), slot, id); - } - - /** - * Binds a texture to be used in the program - * - * @param va allocation containing texture data - * @param slot index within the program's list of textures - * - */ - public void bindTexture(Allocation va, int slot) - throws IllegalArgumentException { - mRS.validate(); - if ((slot < 0) || (slot >= mTextureCount)) { - throw new IllegalArgumentException("Slot ID out of range."); - } - if (va != null && va.getType().hasFaces() && - mTextures[slot] != TextureType.TEXTURE_CUBE) { - throw new IllegalArgumentException("Cannot bind cubemap to 2d texture slot"); - } - - int id = va != null ? va.getID(mRS) : 0; - mRS.nProgramBindTexture(getID(mRS), slot, id); - } - - /** - * Binds an object that describes how a texture at the - * corresponding location is sampled - * - * @param vs sampler for a corresponding texture - * @param slot index within the program's list of textures to - * use the sampler on - * - */ - public void bindSampler(Sampler vs, int slot) - throws IllegalArgumentException { - mRS.validate(); - if ((slot < 0) || (slot >= mTextureCount)) { - throw new IllegalArgumentException("Slot ID out of range."); - } - - int id = vs != null ? vs.getID(mRS) : 0; - mRS.nProgramBindSampler(getID(mRS), slot, id); - } - - - public static class BaseProgramBuilder { - RenderScript mRS; - Element mInputs[]; - Element mOutputs[]; - Type mConstants[]; - Type mTextures[]; - TextureType mTextureTypes[]; - String mTextureNames[]; - int mInputCount; - int mOutputCount; - int mConstantCount; - int mTextureCount; - String mShader; - - - protected BaseProgramBuilder(RenderScript rs) { - mRS = rs; - mInputs = new Element[MAX_INPUT]; - mOutputs = new Element[MAX_OUTPUT]; - mConstants = new Type[MAX_CONSTANT]; - mInputCount = 0; - mOutputCount = 0; - mConstantCount = 0; - mTextureCount = 0; - mTextureTypes = new TextureType[MAX_TEXTURE]; - mTextureNames = new String[MAX_TEXTURE]; - } - - /** - * Sets the GLSL shader code to be used in the program - * - * @param s GLSL shader string - * @return self - */ - public BaseProgramBuilder setShader(String s) { - mShader = s; - return this; - } - - /** - * Sets the GLSL shader code to be used in the program - * - * @param resources application resources - * @param resourceID id of the file containing GLSL shader code - * - * @return self - */ - public BaseProgramBuilder setShader(Resources resources, int resourceID) { - byte[] str; - int strLength; - InputStream is = resources.openRawResource(resourceID); - try { - try { - str = new byte[1024]; - strLength = 0; - while(true) { - int bytesLeft = str.length - strLength; - if (bytesLeft == 0) { - byte[] buf2 = new byte[str.length * 2]; - System.arraycopy(str, 0, buf2, 0, str.length); - str = buf2; - bytesLeft = str.length - strLength; - } - int bytesRead = is.read(str, strLength, bytesLeft); - if (bytesRead <= 0) { - break; - } - strLength += bytesRead; - } - } finally { - is.close(); - } - } catch(IOException e) { - throw new Resources.NotFoundException(); - } - - try { - mShader = new String(str, 0, strLength, "UTF-8"); - } catch (UnsupportedEncodingException e) { - Log.e("RenderScript shader creation", "Could not decode shader string"); - } - - return this; - } - - /** - * Queries the index of the last added constant buffer type - * - */ - public int getCurrentConstantIndex() { - return mConstantCount - 1; - } - - /** - * Queries the index of the last added texture type - * - */ - public int getCurrentTextureIndex() { - return mTextureCount - 1; - } - - /** - * Adds constant (uniform) inputs to the program - * - * @param t Type that describes the layout of the Allocation - * object to be used as constant inputs to the Program - * @return self - */ - public BaseProgramBuilder addConstant(Type t) throws IllegalStateException { - // Should check for consistant and non-conflicting names... - if(mConstantCount >= MAX_CONSTANT) { - throw new RSIllegalArgumentException("Max input count exceeded."); - } - if (t.getElement().isComplex()) { - throw new RSIllegalArgumentException("Complex elements not allowed."); - } - mConstants[mConstantCount] = t; - mConstantCount++; - return this; - } - - /** - * Adds a texture input to the Program - * - * @param texType describes that the texture to append it (2D, - * Cubemap, etc.) - * @return self - */ - public BaseProgramBuilder addTexture(TextureType texType) throws IllegalArgumentException { - addTexture(texType, "Tex" + mTextureCount); - return this; - } - - /** - * Adds a texture input to the Program - * - * @param texType describes that the texture to append it (2D, - * Cubemap, etc.) - * @param texName what the texture should be called in the - * shader - * @return self - */ - public BaseProgramBuilder addTexture(TextureType texType, String texName) - throws IllegalArgumentException { - if(mTextureCount >= MAX_TEXTURE) { - throw new IllegalArgumentException("Max texture count exceeded."); - } - mTextureTypes[mTextureCount] = texType; - mTextureNames[mTextureCount] = texName; - mTextureCount ++; - return this; - } - - protected void initProgram(Program p) { - p.mInputs = new Element[mInputCount]; - System.arraycopy(mInputs, 0, p.mInputs, 0, mInputCount); - p.mOutputs = new Element[mOutputCount]; - System.arraycopy(mOutputs, 0, p.mOutputs, 0, mOutputCount); - p.mConstants = new Type[mConstantCount]; - System.arraycopy(mConstants, 0, p.mConstants, 0, mConstantCount); - p.mTextureCount = mTextureCount; - p.mTextures = new TextureType[mTextureCount]; - System.arraycopy(mTextureTypes, 0, p.mTextures, 0, mTextureCount); - p.mTextureNames = new String[mTextureCount]; - System.arraycopy(mTextureNames, 0, p.mTextureNames, 0, mTextureCount); - } - } - -} - - |