1 /* 2 * Copyright (C) 2011 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 #include "rsContext.h" 18 #include "rsProgramVertex.h" 19 #include "rsMatrix4x4.h" 20 21 using namespace android; 22 using namespace android::renderscript; 23 24 25 ProgramVertex::ProgramVertex(Context *rsc, const char * shaderText, size_t shaderLength, 26 const char** textureNames, size_t textureNamesCount, const size_t *textureNamesLength, 27 28 const uint32_t * params, size_t paramLength) 29 : Program(rsc, shaderText, shaderLength, params, paramLength) { 30 mRSC->mHal.funcs.vertex.init(mRSC, this, mUserShader.string(), mUserShader.length(), 31 textureNames, textureNamesCount, textureNamesLength); 32 } 33 34 ProgramVertex::~ProgramVertex() { 35 mRSC->mHal.funcs.vertex.destroy(mRSC, this); 36 } 37 38 void ProgramVertex::setup(Context *rsc, ProgramVertexState *state) { 39 if ((state->mLast.get() == this) && !mDirty) { 40 return; 41 } 42 43 if (!isUserProgram()) { 44 if (mHal.state.constants[0] == NULL) { 45 rsc->setError(RS_ERROR_FATAL_UNKNOWN, 46 "Unable to set fixed function emulation matrices because allocation is missing"); 47 return; 48 } 49 float *f = static_cast<float *>(mHal.state.constants[0]->getPtr()); 50 Matrix4x4 mvp; 51 mvp.load(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]); 52 Matrix4x4 t; 53 t.load(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET]); 54 mvp.multiply(&t); 55 for (uint32_t i = 0; i < 16; i ++) { 56 f[RS_PROGRAM_VERTEX_MVP_OFFSET + i] = mvp.m[i]; 57 } 58 } 59 60 state->mLast.set(this); 61 62 rsc->mHal.funcs.vertex.setActive(rsc, this); 63 } 64 65 void ProgramVertex::setProjectionMatrix(Context *rsc, const rsc_Matrix *m) const { 66 if (isUserProgram()) { 67 rsc->setError(RS_ERROR_FATAL_UNKNOWN, 68 "Attempting to set fixed function emulation matrix projection on user program"); 69 return; 70 } 71 if (mHal.state.constants[0] == NULL) { 72 rsc->setError(RS_ERROR_FATAL_UNKNOWN, 73 "Unable to set fixed function emulation matrix projection because allocation is missing"); 74 return; 75 } 76 float *f = static_cast<float *>(mHal.state.constants[0]->getPtr()); 77 memcpy(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET], m, sizeof(rsc_Matrix)); 78 mDirty = true; 79 } 80 81 void ProgramVertex::setModelviewMatrix(Context *rsc, const rsc_Matrix *m) const { 82 if (isUserProgram()) { 83 rsc->setError(RS_ERROR_FATAL_UNKNOWN, 84 "Attempting to set fixed function emulation matrix modelview on user program"); 85 return; 86 } 87 if (mHal.state.constants[0] == NULL) { 88 rsc->setError(RS_ERROR_FATAL_UNKNOWN, 89 "Unable to set fixed function emulation matrix modelview because allocation is missing"); 90 return; 91 } 92 float *f = static_cast<float *>(mHal.state.constants[0]->getPtr()); 93 memcpy(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET], m, sizeof(rsc_Matrix)); 94 mDirty = true; 95 } 96 97 void ProgramVertex::setTextureMatrix(Context *rsc, const rsc_Matrix *m) const { 98 if (isUserProgram()) { 99 rsc->setError(RS_ERROR_FATAL_UNKNOWN, 100 "Attempting to set fixed function emulation matrix texture on user program"); 101 return; 102 } 103 if (mHal.state.constants[0] == NULL) { 104 rsc->setError(RS_ERROR_FATAL_UNKNOWN, 105 "Unable to set fixed function emulation matrix texture because allocation is missing"); 106 return; 107 } 108 float *f = static_cast<float *>(mHal.state.constants[0]->getPtr()); 109 memcpy(&f[RS_PROGRAM_VERTEX_TEXTURE_OFFSET], m, sizeof(rsc_Matrix)); 110 mDirty = true; 111 } 112 113 void ProgramVertex::getProjectionMatrix(Context *rsc, rsc_Matrix *m) const { 114 if (isUserProgram()) { 115 rsc->setError(RS_ERROR_FATAL_UNKNOWN, 116 "Attempting to get fixed function emulation matrix projection on user program"); 117 return; 118 } 119 if (mHal.state.constants[0] == NULL) { 120 rsc->setError(RS_ERROR_FATAL_UNKNOWN, 121 "Unable to get fixed function emulation matrix projection because allocation is missing"); 122 return; 123 } 124 float *f = static_cast<float *>(mHal.state.constants[0]->getPtr()); 125 memcpy(m, &f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET], sizeof(rsc_Matrix)); 126 } 127 128 void ProgramVertex::transformToScreen(Context *rsc, float *v4out, const float *v3in) const { 129 if (isUserProgram()) { 130 return; 131 } 132 float *f = static_cast<float *>(mHal.state.constants[0]->getPtr()); 133 Matrix4x4 mvp; 134 mvp.loadMultiply((Matrix4x4 *)&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET], 135 (Matrix4x4 *)&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]); 136 mvp.vectorMultiply(v4out, v3in); 137 } 138 139 void ProgramVertex::serialize(OStream *stream) const { 140 } 141 142 ProgramVertex *ProgramVertex::createFromStream(Context *rsc, IStream *stream) { 143 return NULL; 144 } 145 146 147 /////////////////////////////////////////////////////////////////////// 148 149 ProgramVertexState::ProgramVertexState() { 150 } 151 152 ProgramVertexState::~ProgramVertexState() { 153 } 154 155 void ProgramVertexState::init(Context *rsc) { 156 ObjectBaseRef<const Element> matrixElem = Element::createRef(rsc, RS_TYPE_MATRIX_4X4, 157 RS_KIND_USER, false, 1); 158 ObjectBaseRef<const Element> f2Elem = Element::createRef(rsc, RS_TYPE_FLOAT_32, 159 RS_KIND_USER, false, 2); 160 ObjectBaseRef<const Element> f3Elem = Element::createRef(rsc, RS_TYPE_FLOAT_32, 161 RS_KIND_USER, false, 3); 162 ObjectBaseRef<const Element> f4Elem = Element::createRef(rsc, RS_TYPE_FLOAT_32, 163 RS_KIND_USER, false, 4); 164 165 Element::Builder constBuilder; 166 constBuilder.add(matrixElem.get(), "MV", 1); 167 constBuilder.add(matrixElem.get(), "P", 1); 168 constBuilder.add(matrixElem.get(), "TexMatrix", 1); 169 constBuilder.add(matrixElem.get(), "MVP", 1); 170 ObjectBaseRef<const Element> constInput = constBuilder.create(rsc); 171 172 Element::Builder inputBuilder; 173 inputBuilder.add(f4Elem.get(), "position", 1); 174 inputBuilder.add(f4Elem.get(), "color", 1); 175 inputBuilder.add(f3Elem.get(), "normal", 1); 176 inputBuilder.add(f2Elem.get(), "texture0", 1); 177 ObjectBaseRef<const Element> attrElem = inputBuilder.create(rsc); 178 179 ObjectBaseRef<Type> inputType = Type::getTypeRef(rsc, constInput.get(), 1, 0, 0, false, false); 180 181 String8 shaderString(RS_SHADER_INTERNAL); 182 shaderString.append("varying vec4 varColor;\n"); 183 shaderString.append("varying vec2 varTex0;\n"); 184 shaderString.append("void main() {\n"); 185 shaderString.append(" gl_Position = UNI_MVP * ATTRIB_position;\n"); 186 shaderString.append(" gl_PointSize = 1.0;\n"); 187 shaderString.append(" varColor = ATTRIB_color;\n"); 188 shaderString.append(" varTex0 = ATTRIB_texture0;\n"); 189 shaderString.append("}\n"); 190 191 uint32_t tmp[4]; 192 tmp[0] = RS_PROGRAM_PARAM_CONSTANT; 193 tmp[1] = (uint32_t)inputType.get(); 194 tmp[2] = RS_PROGRAM_PARAM_INPUT; 195 tmp[3] = (uint32_t)attrElem.get(); 196 197 ProgramVertex *pv = new ProgramVertex(rsc, shaderString.string(), shaderString.length(), 198 NULL, 0, NULL, tmp, 4); 199 Allocation *alloc = Allocation::createAllocation(rsc, inputType.get(), 200 RS_ALLOCATION_USAGE_SCRIPT | RS_ALLOCATION_USAGE_GRAPHICS_CONSTANTS); 201 pv->bindAllocation(rsc, alloc, 0); 202 203 mDefaultAlloc.set(alloc); 204 mDefault.set(pv); 205 206 updateSize(rsc); 207 } 208 209 void ProgramVertexState::updateSize(Context *rsc) { 210 float *f = static_cast<float *>(mDefaultAlloc->getPtr()); 211 212 float surfaceWidth = (float)rsc->getCurrentSurfaceWidth(); 213 float surfaceHeight = (float)rsc->getCurrentSurfaceHeight(); 214 215 Matrix4x4 m; 216 m.loadOrtho(0, surfaceWidth, surfaceHeight, 0, -1, 1); 217 memcpy(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET], m.m, sizeof(m)); 218 memcpy(&f[RS_PROGRAM_VERTEX_MVP_OFFSET], m.m, sizeof(m)); 219 220 m.loadIdentity(); 221 memcpy(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET], m.m, sizeof(m)); 222 memcpy(&f[RS_PROGRAM_VERTEX_TEXTURE_OFFSET], m.m, sizeof(m)); 223 } 224 225 void ProgramVertexState::deinit(Context *rsc) { 226 mDefaultAlloc.clear(); 227 mDefault.clear(); 228 mLast.clear(); 229 } 230 231 232 namespace android { 233 namespace renderscript { 234 235 RsProgramVertex rsi_ProgramVertexCreate(Context *rsc, const char * shaderText, size_t shaderLength, 236 const char** textureNames, size_t textureNamesCount, 237 const size_t *textureNamesLength, 238 const uint32_t * params, size_t paramLength) { 239 ProgramVertex *pv = new ProgramVertex(rsc, shaderText, shaderLength, 240 textureNames, textureNamesCount, textureNamesLength, 241 params, paramLength); 242 pv->incUserRef(); 243 return pv; 244 } 245 246 } 247 } 248