rsProgramVertex.cpp revision 889fe50e7aaebed8cb8284b16a0e51e64e8a3a9c
1/* 2 * Copyright (C) 2009 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#ifndef ANDROID_RS_BUILD_FOR_HOST 18#include "rsContext.h" 19#include <GLES/gl.h> 20#include <GLES/glext.h> 21#include <GLES2/gl2.h> 22#include <GLES2/gl2ext.h> 23#else 24#include "rsContextHostStub.h" 25#include <OpenGL/gl.h> 26#include <OpenGL/glext.h> 27#endif //ANDROID_RS_BUILD_FOR_HOST 28 29#include "rsProgramVertex.h" 30 31using namespace android; 32using namespace android::renderscript; 33 34 35ProgramVertex::ProgramVertex(Context *rsc, const char * shaderText, 36 uint32_t shaderLength, const uint32_t * params, 37 uint32_t paramLength) : 38 Program(rsc, shaderText, shaderLength, params, paramLength) 39{ 40 mAllocFile = __FILE__; 41 mAllocLine = __LINE__; 42 43 init(rsc); 44} 45 46ProgramVertex::~ProgramVertex() 47{ 48 if(mShaderID) { 49 mRSC->mShaderCache.cleanupVertex(mShaderID); 50 } 51} 52 53void ProgramVertex::loadShader(Context *rsc) { 54 Program::loadShader(rsc, GL_VERTEX_SHADER); 55} 56 57void ProgramVertex::createShader() 58{ 59 if (mUserShader.length() > 1) { 60 61 appendUserConstants(); 62 63 for (uint32_t ct=0; ct < mInputCount; ct++) { 64 const Element *e = mInputElements[ct].get(); 65 for (uint32_t field=0; field < e->getFieldCount(); field++) { 66 const Element *f = e->getField(field); 67 const char *fn = e->getFieldName(field); 68 69 if (fn[0] == '#') { 70 continue; 71 } 72 73 // Cannot be complex 74 rsAssert(!f->getFieldCount()); 75 switch(f->getComponent().getVectorSize()) { 76 case 1: mShader.append("attribute float ATTRIB_"); break; 77 case 2: mShader.append("attribute vec2 ATTRIB_"); break; 78 case 3: mShader.append("attribute vec3 ATTRIB_"); break; 79 case 4: mShader.append("attribute vec4 ATTRIB_"); break; 80 default: 81 rsAssert(0); 82 } 83 84 mShader.append(fn); 85 mShader.append(";\n"); 86 } 87 } 88 mShader.append(mUserShader); 89 } else { 90 LOGE("ProgramFragment::createShader cannot create program, shader code not defined"); 91 rsAssert(0); 92 } 93} 94 95void ProgramVertex::setupGL2(Context *rsc, ProgramVertexState *state, ShaderCache *sc) 96{ 97 //LOGE("sgl2 vtx1 %x", glGetError()); 98 if ((state->mLast.get() == this) && !mDirty) { 99 return; 100 } 101 102 rsc->checkError("ProgramVertex::setupGL2 start"); 103 104 if(!isUserProgram()) { 105 if(mConstants[0].get() == NULL) { 106 LOGE("Unable to set fixed function emulation matrices because allocation is missing"); 107 rsc->setError(RS_ERROR_BAD_SHADER, "Fixed function allocation missing"); 108 return; 109 } 110 float *f = static_cast<float *>(mConstants[0]->getPtr()); 111 Matrix mvp; 112 mvp.load(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]); 113 Matrix t; 114 t.load(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET]); 115 mvp.multiply(&t); 116 for(uint32_t i = 0; i < 16; i ++) { 117 f[RS_PROGRAM_VERTEX_MVP_OFFSET + i] = mvp.m[i]; 118 } 119 } 120 121 rsc->checkError("ProgramVertex::setupGL2 begin uniforms"); 122 setupUserConstants(rsc, sc, false); 123 124 state->mLast.set(this); 125 rsc->checkError("ProgramVertex::setupGL2"); 126} 127 128void ProgramVertex::setProjectionMatrix(Context *rsc, const rsc_Matrix *m) const 129{ 130 if(isUserProgram()) { 131 LOGE("Attempting to set fixed function emulation matrix projection on user program"); 132 rsc->setError(RS_ERROR_BAD_SHADER, "Cannot set emulation matrix on user shader"); 133 return; 134 } 135 if(mConstants[0].get() == NULL) { 136 LOGE("Unable to set fixed function emulation matrix projection because allocation is missing"); 137 return; 138 } 139 float *f = static_cast<float *>(mConstants[0]->getPtr()); 140 memcpy(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET], m, sizeof(rsc_Matrix)); 141 mDirty = true; 142} 143 144void ProgramVertex::setModelviewMatrix(Context *rsc, const rsc_Matrix *m) const 145{ 146 if(isUserProgram()) { 147 LOGE("Attempting to set fixed function emulation matrix modelview on user program"); 148 rsc->setError(RS_ERROR_BAD_SHADER, "Cannot set emulation matrix on user shader"); 149 return; 150 } 151 if(mConstants[0].get() == NULL) { 152 LOGE("Unable to set fixed function emulation matrix modelview because allocation is missing"); 153 rsc->setError(RS_ERROR_BAD_SHADER, "Fixed function allocation missing"); 154 return; 155 } 156 float *f = static_cast<float *>(mConstants[0]->getPtr()); 157 memcpy(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET], m, sizeof(rsc_Matrix)); 158 mDirty = true; 159} 160 161void ProgramVertex::setTextureMatrix(Context *rsc, const rsc_Matrix *m) const 162{ 163 if(isUserProgram()) { 164 LOGE("Attempting to set fixed function emulation matrix texture on user program"); 165 rsc->setError(RS_ERROR_BAD_SHADER, "Cannot set emulation matrix on user shader"); 166 return; 167 } 168 if(mConstants[0].get() == NULL) { 169 LOGE("Unable to set fixed function emulation matrix texture because allocation is missing"); 170 rsc->setError(RS_ERROR_BAD_SHADER, "Fixed function allocation missing"); 171 return; 172 } 173 float *f = static_cast<float *>(mConstants[0]->getPtr()); 174 memcpy(&f[RS_PROGRAM_VERTEX_TEXTURE_OFFSET], m, sizeof(rsc_Matrix)); 175 mDirty = true; 176} 177 178void ProgramVertex::getProjectionMatrix(Context *rsc, rsc_Matrix *m) const 179{ 180 if(isUserProgram()) { 181 LOGE("Attempting to get fixed function emulation matrix projection on user program"); 182 rsc->setError(RS_ERROR_BAD_SHADER, "Cannot get emulation matrix on user shader"); 183 return; 184 } 185 if(mConstants[0].get() == NULL) { 186 LOGE("Unable to get fixed function emulation matrix projection because allocation is missing"); 187 rsc->setError(RS_ERROR_BAD_SHADER, "Fixed function allocation missing"); 188 return; 189 } 190 float *f = static_cast<float *>(mConstants[0]->getPtr()); 191 memcpy(m, &f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET], sizeof(rsc_Matrix)); 192} 193 194void ProgramVertex::transformToScreen(Context *rsc, float *v4out, const float *v3in) const 195{ 196 if(isUserProgram()) { 197 return; 198 } 199 float *f = static_cast<float *>(mConstants[0]->getPtr()); 200 Matrix mvp; 201 mvp.loadMultiply((Matrix *)&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET], 202 (Matrix *)&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]); 203 mvp.vectorMultiply(v4out, v3in); 204} 205 206void ProgramVertex::init(Context *rsc) 207{ 208 mAttribCount = 0; 209 if (mUserShader.size() > 0) { 210 for (uint32_t ct=0; ct < mInputCount; ct++) { 211 initAddUserElement(mInputElements[ct].get(), mAttribNames, &mAttribCount, RS_SHADER_ATTR); 212 } 213 mUniformCount = 0; 214 for (uint32_t ct=0; ct < mConstantCount; ct++) { 215 initAddUserElement(mConstantTypes[ct]->getElement(), mUniformNames, &mUniformCount, RS_SHADER_UNI); 216 } 217 } 218 createShader(); 219} 220 221void ProgramVertex::serialize(OStream *stream) const 222{ 223 224} 225 226ProgramVertex *ProgramVertex::createFromStream(Context *rsc, IStream *stream) 227{ 228 return NULL; 229} 230 231 232/////////////////////////////////////////////////////////////////////// 233 234ProgramVertexState::ProgramVertexState() 235{ 236} 237 238ProgramVertexState::~ProgramVertexState() 239{ 240} 241 242void ProgramVertexState::init(Context *rsc) 243{ 244 const Element *matrixElem = Element::create(rsc, RS_TYPE_MATRIX_4X4, RS_KIND_USER, false, 1); 245 const Element *f3Elem = Element::create(rsc, RS_TYPE_FLOAT_32, RS_KIND_USER, false, 3); 246 const Element *f4Elem = Element::create(rsc, RS_TYPE_FLOAT_32, RS_KIND_USER, false, 4); 247 248 rsc->mStateElement.elementBuilderBegin(); 249 rsc->mStateElement.elementBuilderAdd(matrixElem, "MV", 1); 250 rsc->mStateElement.elementBuilderAdd(matrixElem, "P", 1); 251 rsc->mStateElement.elementBuilderAdd(matrixElem, "TexMatrix", 1); 252 rsc->mStateElement.elementBuilderAdd(matrixElem, "MVP", 1); 253 const Element *constInput = rsc->mStateElement.elementBuilderCreate(rsc); 254 255 rsc->mStateElement.elementBuilderBegin(); 256 rsc->mStateElement.elementBuilderAdd(f4Elem, "position", 1); 257 rsc->mStateElement.elementBuilderAdd(f4Elem, "color", 1); 258 rsc->mStateElement.elementBuilderAdd(f3Elem, "normal", 1); 259 rsc->mStateElement.elementBuilderAdd(f4Elem, "texture0", 1); 260 const Element *attrElem = rsc->mStateElement.elementBuilderCreate(rsc); 261 262 Type *inputType = new Type(rsc); 263 inputType->setElement(constInput); 264 inputType->setDimX(1); 265 inputType->compute(); 266 267 String8 shaderString(RS_SHADER_INTERNAL); 268 shaderString.append("varying vec4 varColor;\n"); 269 shaderString.append("varying vec4 varTex0;\n"); 270 shaderString.append("void main() {\n"); 271 shaderString.append(" gl_Position = UNI_MVP * ATTRIB_position;\n"); 272 shaderString.append(" gl_PointSize = 1.0;\n"); 273 shaderString.append(" varColor = ATTRIB_color;\n"); 274 shaderString.append(" varTex0 = ATTRIB_texture0;\n"); 275 shaderString.append("}\n"); 276 277 uint32_t tmp[6]; 278 tmp[0] = RS_PROGRAM_PARAM_CONSTANT; 279 tmp[1] = (uint32_t)inputType; 280 tmp[2] = RS_PROGRAM_PARAM_INPUT; 281 tmp[3] = (uint32_t)attrElem; 282 tmp[4] = RS_PROGRAM_PARAM_TEXTURE_COUNT; 283 tmp[5] = 0; 284 285 ProgramVertex *pv = new ProgramVertex(rsc, shaderString.string(), 286 shaderString.length(), tmp, 6); 287 Allocation *alloc = new Allocation(rsc, inputType); 288 pv->bindAllocation(rsc, alloc, 0); 289 290 mDefaultAlloc.set(alloc); 291 mDefault.set(pv); 292 293 updateSize(rsc); 294 295} 296 297void ProgramVertexState::updateSize(Context *rsc) 298{ 299 float *f = static_cast<float *>(mDefaultAlloc->getPtr()); 300 301 Matrix m; 302 m.loadOrtho(0,rsc->getWidth(), rsc->getHeight(),0, -1,1); 303 memcpy(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET], m.m, sizeof(m)); 304 memcpy(&f[RS_PROGRAM_VERTEX_MVP_OFFSET], m.m, sizeof(m)); 305 306 m.loadIdentity(); 307 memcpy(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET], m.m, sizeof(m)); 308 memcpy(&f[RS_PROGRAM_VERTEX_TEXTURE_OFFSET], m.m, sizeof(m)); 309} 310 311void ProgramVertexState::deinit(Context *rsc) 312{ 313 mDefaultAlloc.clear(); 314 mDefault.clear(); 315 mLast.clear(); 316} 317 318 319namespace android { 320namespace renderscript { 321 322RsProgramVertex rsi_ProgramVertexCreate(Context *rsc, const char * shaderText, 323 uint32_t shaderLength, const uint32_t * params, 324 uint32_t paramLength) 325{ 326 ProgramVertex *pv = new ProgramVertex(rsc, shaderText, shaderLength, params, paramLength); 327 pv->incUserRef(); 328 return pv; 329} 330 331 332} 333} 334