Alex Sakhartchouk | b4d7bb6 | 2010-12-21 14:42:26 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2008 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.renderscript; |
| 18 | |
| 19 | |
| 20 | import android.graphics.Matrix; |
| 21 | import android.util.Config; |
| 22 | import android.util.Log; |
| 23 | |
| 24 | |
| 25 | /** |
| 26 | * @hide |
| 27 | * |
| 28 | **/ |
| 29 | public class ProgramVertexFixedFunction extends ProgramVertex { |
| 30 | |
| 31 | ProgramVertexFixedFunction(int id, RenderScript rs) { |
| 32 | super(id, rs); |
| 33 | } |
| 34 | |
| 35 | public void bindConstants(Constants va) { |
| 36 | mRS.validate(); |
| 37 | bindConstants(va.getAllocation(), 0); |
| 38 | } |
| 39 | |
| 40 | static class InternalBuilder extends BaseProgramBuilder { |
| 41 | public InternalBuilder(RenderScript rs) { |
| 42 | super(rs); |
| 43 | } |
| 44 | |
| 45 | public InternalBuilder addInput(Element e) throws IllegalStateException { |
| 46 | // Should check for consistant and non-conflicting names... |
| 47 | if(mInputCount >= MAX_INPUT) { |
| 48 | throw new RSIllegalArgumentException("Max input count exceeded."); |
| 49 | } |
| 50 | if (e.isComplex()) { |
| 51 | throw new RSIllegalArgumentException("Complex elements not allowed."); |
| 52 | } |
| 53 | mInputs[mInputCount++] = e; |
| 54 | return this; |
| 55 | } |
| 56 | |
| 57 | public ProgramVertexFixedFunction create() { |
| 58 | mRS.validate(); |
| 59 | int[] tmp = new int[(mInputCount + mOutputCount + mConstantCount + mTextureCount) * 2]; |
| 60 | int idx = 0; |
| 61 | |
| 62 | for (int i=0; i < mInputCount; i++) { |
| 63 | tmp[idx++] = ProgramParam.INPUT.mID; |
| 64 | tmp[idx++] = mInputs[i].getID(); |
| 65 | } |
| 66 | for (int i=0; i < mOutputCount; i++) { |
| 67 | tmp[idx++] = ProgramParam.OUTPUT.mID; |
| 68 | tmp[idx++] = mOutputs[i].getID(); |
| 69 | } |
| 70 | for (int i=0; i < mConstantCount; i++) { |
| 71 | tmp[idx++] = ProgramParam.CONSTANT.mID; |
| 72 | tmp[idx++] = mConstants[i].getID(); |
| 73 | } |
| 74 | for (int i=0; i < mTextureCount; i++) { |
| 75 | tmp[idx++] = ProgramParam.TEXTURE_TYPE.mID; |
| 76 | tmp[idx++] = mTextureTypes[i].mID; |
| 77 | } |
| 78 | |
| 79 | int id = mRS.nProgramVertexCreate(mShader, tmp); |
| 80 | ProgramVertexFixedFunction pv = new ProgramVertexFixedFunction(id, mRS); |
| 81 | initProgram(pv); |
| 82 | return pv; |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | public static class Builder { |
| 87 | boolean mTextureMatrixEnable; |
| 88 | String mShader; |
| 89 | RenderScript mRS; |
| 90 | |
| 91 | public Builder(RenderScript rs) { |
| 92 | mRS = rs; |
| 93 | } |
| 94 | |
| 95 | public Builder setTextureMatrixEnable(boolean enable) { |
| 96 | mTextureMatrixEnable = enable; |
| 97 | return this; |
| 98 | } |
| 99 | static Type getConstantInputType(RenderScript rs) { |
| 100 | Element.Builder b = new Element.Builder(rs); |
| 101 | b.add(Element.MATRIX4X4(rs), "MV"); |
| 102 | b.add(Element.MATRIX4X4(rs), "P"); |
| 103 | b.add(Element.MATRIX4X4(rs), "TexMatrix"); |
| 104 | b.add(Element.MATRIX4X4(rs), "MVP"); |
| 105 | |
| 106 | Type.Builder typeBuilder = new Type.Builder(rs, b.create()); |
| 107 | typeBuilder.setX(1); |
| 108 | return typeBuilder.create(); |
| 109 | } |
| 110 | |
| 111 | private void buildShaderString() { |
| 112 | |
| 113 | mShader = "//rs_shader_internal\n"; |
| 114 | mShader += "varying vec4 varColor;\n"; |
| 115 | mShader += "varying vec2 varTex0;\n"; |
| 116 | |
| 117 | mShader += "void main() {\n"; |
| 118 | mShader += " gl_Position = UNI_MVP * ATTRIB_position;\n"; |
| 119 | mShader += " gl_PointSize = 1.0;\n"; |
| 120 | |
| 121 | mShader += " varColor = ATTRIB_color;\n"; |
| 122 | if (mTextureMatrixEnable) { |
| 123 | mShader += " varTex0 = (UNI_TexMatrix * vec4(ATTRIB_texture0, 0.0, 1.0)).xy;\n"; |
| 124 | } else { |
| 125 | mShader += " varTex0 = ATTRIB_texture0;\n"; |
| 126 | } |
| 127 | mShader += "}\n"; |
| 128 | } |
| 129 | |
| 130 | public ProgramVertexFixedFunction create() { |
| 131 | buildShaderString(); |
| 132 | |
| 133 | InternalBuilder sb = new InternalBuilder(mRS); |
| 134 | sb.setShader(mShader); |
| 135 | sb.addConstant(getConstantInputType(mRS)); |
| 136 | |
| 137 | Element.Builder b = new Element.Builder(mRS); |
| 138 | b.add(Element.F32_4(mRS), "position"); |
| 139 | b.add(Element.F32_4(mRS), "color"); |
| 140 | b.add(Element.F32_3(mRS), "normal"); |
| 141 | b.add(Element.F32_2(mRS), "texture0"); |
| 142 | sb.addInput(b.create()); |
| 143 | |
| 144 | return sb.create(); |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | public static class Constants { |
| 149 | static final int MODELVIEW_OFFSET = 0; |
| 150 | static final int PROJECTION_OFFSET = 16; |
| 151 | static final int TEXTURE_OFFSET = 32; |
| 152 | |
| 153 | Matrix4f mModel; |
| 154 | Matrix4f mProjection; |
| 155 | Matrix4f mTexture; |
| 156 | |
| 157 | Allocation mAlloc; |
| 158 | Allocation getAllocation() { |
| 159 | return mAlloc; |
| 160 | } |
| 161 | private FieldPacker mIOBuffer; |
| 162 | |
| 163 | public Constants(RenderScript rs) { |
| 164 | Type constInputType = ProgramVertexFixedFunction.Builder.getConstantInputType(rs); |
| 165 | mAlloc = Allocation.createTyped(rs, constInputType); |
| 166 | int bufferSize = constInputType.getElement().getSizeBytes()* |
| 167 | constInputType.getCount(); |
| 168 | mIOBuffer = new FieldPacker(bufferSize); |
| 169 | mModel = new Matrix4f(); |
| 170 | mProjection = new Matrix4f(); |
| 171 | mTexture = new Matrix4f(); |
| 172 | setModelview(new Matrix4f()); |
| 173 | setProjection(new Matrix4f()); |
| 174 | setTexture(new Matrix4f()); |
| 175 | } |
| 176 | |
| 177 | public void destroy() { |
| 178 | mAlloc.destroy(); |
| 179 | mAlloc = null; |
| 180 | } |
| 181 | |
| 182 | private void addToBuffer(int offset, Matrix4f m) { |
| 183 | mIOBuffer.reset(offset); |
| 184 | for(int i = 0; i < 16; i ++) { |
| 185 | mIOBuffer.addF32(m.mMat[i]); |
| 186 | } |
| 187 | mAlloc.copyFrom(mIOBuffer.getData()); |
| 188 | } |
| 189 | |
| 190 | public void setModelview(Matrix4f m) { |
| 191 | mModel.load(m); |
| 192 | addToBuffer(MODELVIEW_OFFSET*4, m); |
| 193 | } |
| 194 | |
| 195 | public void setProjection(Matrix4f m) { |
| 196 | mProjection.load(m); |
| 197 | addToBuffer(PROJECTION_OFFSET*4, m); |
| 198 | } |
| 199 | |
| 200 | public void setTexture(Matrix4f m) { |
| 201 | mTexture.load(m); |
| 202 | addToBuffer(TEXTURE_OFFSET*4, m); |
| 203 | } |
| 204 | } |
| 205 | } |