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, mUserShaderLen, 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 *>(rsc->mHal.funcs.allocation.lock1D( 50 rsc, mHal.state.constants[0])); 51 Matrix4x4 mvp; 52 mvp.load(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]); 53 Matrix4x4 t; 54 t.load(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET]); 55 mvp.multiply(&t); 56 for (uint32_t i = 0; i < 16; i ++) { 57 f[RS_PROGRAM_VERTEX_MVP_OFFSET + i] = mvp.m[i]; 58 } 59 rsc->mHal.funcs.allocation.unlock1D(rsc, mHal.state.constants[0]); 60 } 61 62 state->mLast.set(this); 63 64 rsc->mHal.funcs.vertex.setActive(rsc, this); 65 } 66 67 void ProgramVertex::setProjectionMatrix(Context *rsc, const rsc_Matrix *m) const { 68 if (isUserProgram()) { 69 rsc->setError(RS_ERROR_FATAL_UNKNOWN, 70 "Attempting to set fixed function emulation matrix projection on user program"); 71 return; 72 } 73 if (mHal.state.constants[0] == NULL) { 74 rsc->setError(RS_ERROR_FATAL_UNKNOWN, 75 "Unable to set fixed function emulation matrix projection because allocation is missing"); 76 return; 77 } 78 float *f = static_cast<float *>(rsc->mHal.funcs.allocation.lock1D( 79 rsc, mHal.state.constants[0])); 80 memcpy(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET], m, sizeof(rsc_Matrix)); 81 mDirty = true; 82 rsc->mHal.funcs.allocation.unlock1D(rsc, mHal.state.constants[0]); 83 } 84 85 void ProgramVertex::setModelviewMatrix(Context *rsc, const rsc_Matrix *m) const { 86 if (isUserProgram()) { 87 rsc->setError(RS_ERROR_FATAL_UNKNOWN, 88 "Attempting to set fixed function emulation matrix modelview on user program"); 89 return; 90 } 91 if (mHal.state.constants[0] == NULL) { 92 rsc->setError(RS_ERROR_FATAL_UNKNOWN, 93 "Unable to set fixed function emulation matrix modelview because allocation is missing"); 94 return; 95 } 96 float *f = static_cast<float *>(rsc->mHal.funcs.allocation.lock1D( 97 rsc, mHal.state.constants[0])); 98 memcpy(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET], m, sizeof(rsc_Matrix)); 99 mDirty = true; 100 rsc->mHal.funcs.allocation.unlock1D(rsc, mHal.state.constants[0]); 101 } 102 103 void ProgramVertex::setTextureMatrix(Context *rsc, const rsc_Matrix *m) const { 104 if (isUserProgram()) { 105 rsc->setError(RS_ERROR_FATAL_UNKNOWN, 106 "Attempting to set fixed function emulation matrix texture on user program"); 107 return; 108 } 109 if (mHal.state.constants[0] == NULL) { 110 rsc->setError(RS_ERROR_FATAL_UNKNOWN, 111 "Unable to set fixed function emulation matrix texture because allocation is missing"); 112 return; 113 } 114 float *f = static_cast<float *>(rsc->mHal.funcs.allocation.lock1D( 115 rsc, mHal.state.constants[0])); 116 memcpy(&f[RS_PROGRAM_VERTEX_TEXTURE_OFFSET], m, sizeof(rsc_Matrix)); 117 mDirty = true; 118 rsc->mHal.funcs.allocation.unlock1D(rsc, mHal.state.constants[0]); 119 } 120 121 void ProgramVertex::getProjectionMatrix(Context *rsc, rsc_Matrix *m) const { 122 if (isUserProgram()) { 123 rsc->setError(RS_ERROR_FATAL_UNKNOWN, 124 "Attempting to get fixed function emulation matrix projection on user program"); 125 return; 126 } 127 if (mHal.state.constants[0] == NULL) { 128 rsc->setError(RS_ERROR_FATAL_UNKNOWN, 129 "Unable to get fixed function emulation matrix projection because allocation is missing"); 130 return; 131 } 132 float *f = static_cast<float *>( 133 rsc->mHal.funcs.allocation.lock1D(rsc, mHal.state.constants[0])); 134 memcpy(m, &f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET], sizeof(rsc_Matrix)); 135 rsc->mHal.funcs.allocation.unlock1D(rsc, mHal.state.constants[0]); 136 } 137 138 void ProgramVertex::transformToScreen(Context *rsc, float *v4out, const float *v3in) const { 139 if (isUserProgram()) { 140 return; 141 } 142 float *f = static_cast<float *>( 143 rsc->mHal.funcs.allocation.lock1D(rsc, mHal.state.constants[0])); 144 Matrix4x4 mvp; 145 mvp.loadMultiply((Matrix4x4 *)&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET], 146 (Matrix4x4 *)&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]); 147 mvp.vectorMultiply(v4out, v3in); 148 rsc->mHal.funcs.allocation.unlock1D(rsc, mHal.state.constants[0]); 149 } 150 151 void ProgramVertex::serialize(Context *rsc, OStream *stream) const { 152 } 153 154 ProgramVertex *ProgramVertex::createFromStream(Context *rsc, IStream *stream) { 155 return NULL; 156 } 157 158 159 /////////////////////////////////////////////////////////////////////// 160 161 ProgramVertexState::ProgramVertexState() { 162 } 163 164 ProgramVertexState::~ProgramVertexState() { 165 } 166 167 void ProgramVertexState::init(Context *rsc) { 168 ObjectBaseRef<const Element> matrixElem = Element::createRef(rsc, RS_TYPE_MATRIX_4X4, 169 RS_KIND_USER, false, 1); 170 ObjectBaseRef<const Element> f2Elem = Element::createRef(rsc, RS_TYPE_FLOAT_32, 171 RS_KIND_USER, false, 2); 172 ObjectBaseRef<const Element> f3Elem = Element::createRef(rsc, RS_TYPE_FLOAT_32, 173 RS_KIND_USER, false, 3); 174 ObjectBaseRef<const Element> f4Elem = Element::createRef(rsc, RS_TYPE_FLOAT_32, 175 RS_KIND_USER, false, 4); 176 177 const char *ebn1[] = { "MV", "P", "TexMatrix", "MVP" }; 178 const Element *ebe1[] = {matrixElem.get(), matrixElem.get(), 179 matrixElem.get(), matrixElem.get()}; 180 ObjectBaseRef<const Element> constInput = Element::create(rsc, 4, ebe1, ebn1); 181 182 const char *ebn2[] = { "position", "color", "normal", "texture0" }; 183 const Element *ebe2[] = {f4Elem.get(), f4Elem.get(), f3Elem.get(), f2Elem.get()}; 184 ObjectBaseRef<const Element> attrElem = Element::create(rsc, 4, ebe2, ebn2); 185 186 ObjectBaseRef<Type> inputType = Type::getTypeRef(rsc, constInput.get(), 1, 0, 0, false, false, 0); 187 188 const char *shaderString = 189 RS_SHADER_INTERNAL 190 "varying vec4 varColor;\n" 191 "varying vec2 varTex0;\n" 192 "void main() {\n" 193 " gl_Position = UNI_MVP * ATTRIB_position;\n" 194 " gl_PointSize = 1.0;\n" 195 " varColor = ATTRIB_color;\n" 196 " varTex0 = ATTRIB_texture0;\n" 197 "}\n"; 198 199 uint32_t tmp[4]; 200 tmp[0] = RS_PROGRAM_PARAM_CONSTANT; 201 tmp[1] = (uint32_t)inputType.get(); 202 tmp[2] = RS_PROGRAM_PARAM_INPUT; 203 tmp[3] = (uint32_t)attrElem.get(); 204 205 ProgramVertex *pv = new ProgramVertex(rsc, shaderString, strlen(shaderString), 206 NULL, 0, NULL, tmp, 4); 207 Allocation *alloc = Allocation::createAllocation(rsc, inputType.get(), 208 RS_ALLOCATION_USAGE_SCRIPT | RS_ALLOCATION_USAGE_GRAPHICS_CONSTANTS); 209 pv->bindAllocation(rsc, alloc, 0); 210 211 mDefaultAlloc.set(alloc); 212 mDefault.set(pv); 213 214 updateSize(rsc); 215 } 216 217 void ProgramVertexState::updateSize(Context *rsc) { 218 float *f = static_cast<float *>(rsc->mHal.funcs.allocation.lock1D(rsc, mDefaultAlloc.get())); 219 220 float surfaceWidth = (float)rsc->getCurrentSurfaceWidth(); 221 float surfaceHeight = (float)rsc->getCurrentSurfaceHeight(); 222 223 Matrix4x4 m; 224 m.loadOrtho(0, surfaceWidth, surfaceHeight, 0, -1, 1); 225 memcpy(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET], m.m, sizeof(m)); 226 memcpy(&f[RS_PROGRAM_VERTEX_MVP_OFFSET], m.m, sizeof(m)); 227 228 m.loadIdentity(); 229 memcpy(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET], m.m, sizeof(m)); 230 memcpy(&f[RS_PROGRAM_VERTEX_TEXTURE_OFFSET], m.m, sizeof(m)); 231 rsc->mHal.funcs.allocation.unlock1D(rsc, mDefaultAlloc.get()); 232 } 233 234 void ProgramVertexState::deinit(Context *rsc) { 235 mDefaultAlloc.clear(); 236 mDefault.clear(); 237 mLast.clear(); 238 } 239 240 241 namespace android { 242 namespace renderscript { 243 244 RsProgramVertex rsi_ProgramVertexCreate(Context *rsc, const char * shaderText, size_t shaderLength, 245 const char** textureNames, size_t textureNamesCount, 246 const size_t *textureNamesLength, 247 const uint32_t * params, size_t paramLength) { 248 ProgramVertex *pv = new ProgramVertex(rsc, shaderText, shaderLength, 249 textureNames, textureNamesCount, textureNamesLength, 250 params, paramLength); 251 pv->incUserRef(); 252 return pv; 253 } 254 255 } 256 } 257
