rsProgramVertex.cpp revision 5e9811f075f5a96925785a95afeda22592a840ac
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, bool texMat) : 36 Program(rsc) 37{ 38 mAllocFile = __FILE__; 39 mAllocLine = __LINE__; 40 mTextureMatrixEnable = texMat; 41 mLightCount = 0; 42 init(rsc); 43} 44 45ProgramVertex::ProgramVertex(Context *rsc, const char * shaderText, 46 uint32_t shaderLength, const uint32_t * params, 47 uint32_t paramLength) : 48 Program(rsc, shaderText, shaderLength, params, paramLength) 49{ 50 mAllocFile = __FILE__; 51 mAllocLine = __LINE__; 52 mTextureMatrixEnable = false; 53 mLightCount = 0; 54 55 init(rsc); 56} 57 58ProgramVertex::~ProgramVertex() 59{ 60} 61 62static void logMatrix(const char *txt, const float *f) 63{ 64 LOGV("Matrix %s, %p", txt, f); 65 LOGV("%6.4f, %6.4f, %6.4f, %6.4f", f[0], f[4], f[8], f[12]); 66 LOGV("%6.4f, %6.4f, %6.4f, %6.4f", f[1], f[5], f[9], f[13]); 67 LOGV("%6.4f, %6.4f, %6.4f, %6.4f", f[2], f[6], f[10], f[14]); 68 LOGV("%6.4f, %6.4f, %6.4f, %6.4f", f[3], f[7], f[11], f[15]); 69} 70 71void ProgramVertex::setupGL(const Context *rsc, ProgramVertexState *state) 72{ 73 if ((state->mLast.get() == this) && !mDirty) { 74 return; 75 } 76 state->mLast.set(this); 77 78 const float *f = static_cast<const float *>(mConstants[0]->getPtr()); 79 80 glMatrixMode(GL_TEXTURE); 81 if (mTextureMatrixEnable) { 82 glLoadMatrixf(&f[RS_PROGRAM_VERTEX_TEXTURE_OFFSET]); 83 } else { 84 glLoadIdentity(); 85 } 86 87 glMatrixMode(GL_MODELVIEW); 88 glLoadIdentity(); 89 if (mLightCount) { 90#ifndef ANDROID_RS_BUILD_FOR_HOST // GLES Only 91 int v = 0; 92 glEnable(GL_LIGHTING); 93 94 glLightModelxv(GL_LIGHT_MODEL_TWO_SIDE, &v); 95 96 for (uint32_t ct = 0; ct < mLightCount; ct++) { 97 const Light *l = mLights[ct].get(); 98 glEnable(GL_LIGHT0 + ct); 99 l->setupGL(ct); 100 } 101 for (uint32_t ct = mLightCount; ct < MAX_LIGHTS; ct++) { 102 glDisable(GL_LIGHT0 + ct); 103 } 104#endif //ANDROID_RS_BUILD_FOR_HOST 105 } else { 106 glDisable(GL_LIGHTING); 107 } 108 109 if (!f) { 110 LOGE("Must bind constants to vertex program"); 111 } 112 113 glMatrixMode(GL_PROJECTION); 114 glLoadMatrixf(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]); 115 glMatrixMode(GL_MODELVIEW); 116 glLoadMatrixf(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET]); 117 118 mDirty = false; 119} 120 121void ProgramVertex::loadShader(Context *rsc) { 122 Program::loadShader(rsc, GL_VERTEX_SHADER); 123} 124 125void ProgramVertex::createShader() 126{ 127 mShader.setTo(""); 128 129 mShader.append("varying vec4 varColor;\n"); 130 mShader.append("varying vec4 varTex0;\n"); 131 132 if (mUserShader.length() > 1) { 133 mShader.append("uniform mat4 "); 134 mShader.append(mUniformNames[0]); 135 mShader.append(";\n"); 136 137 for (uint32_t ct=0; ct < mConstantCount; ct++) { 138 const Element *e = mConstantTypes[ct]->getElement(); 139 for (uint32_t field=0; field < e->getFieldCount(); field++) { 140 const Element *f = e->getField(field); 141 const char *fn = e->getFieldName(field); 142 143 if (fn[0] == '#') { 144 continue; 145 } 146 147 // Cannot be complex 148 rsAssert(!f->getFieldCount()); 149 switch(f->getComponent().getVectorSize()) { 150 case 1: mShader.append("uniform float UNI_"); break; 151 case 2: mShader.append("uniform vec2 UNI_"); break; 152 case 3: mShader.append("uniform vec3 UNI_"); break; 153 case 4: mShader.append("uniform vec4 UNI_"); break; 154 default: 155 rsAssert(0); 156 } 157 158 mShader.append(fn); 159 mShader.append(";\n"); 160 } 161 } 162 163 164 for (uint32_t ct=0; ct < mInputCount; ct++) { 165 const Element *e = mInputElements[ct].get(); 166 for (uint32_t field=0; field < e->getFieldCount(); field++) { 167 const Element *f = e->getField(field); 168 const char *fn = e->getFieldName(field); 169 170 if (fn[0] == '#') { 171 continue; 172 } 173 174 // Cannot be complex 175 rsAssert(!f->getFieldCount()); 176 switch(f->getComponent().getVectorSize()) { 177 case 1: mShader.append("attribute float ATTRIB_"); break; 178 case 2: mShader.append("attribute vec2 ATTRIB_"); break; 179 case 3: mShader.append("attribute vec3 ATTRIB_"); break; 180 case 4: mShader.append("attribute vec4 ATTRIB_"); break; 181 default: 182 rsAssert(0); 183 } 184 185 mShader.append(fn); 186 mShader.append(";\n"); 187 } 188 } 189 mShader.append(mUserShader); 190 } else { 191 mShader.append("attribute vec4 ATTRIB_position;\n"); 192 mShader.append("attribute vec4 ATTRIB_color;\n"); 193 mShader.append("attribute vec3 ATTRIB_normal;\n"); 194 mShader.append("attribute float ATTRIB_pointSize;\n"); 195 mShader.append("attribute vec4 ATTRIB_texture0;\n"); 196 197 for (uint32_t ct=0; ct < mUniformCount; ct++) { 198 mShader.append("uniform mat4 "); 199 mShader.append(mUniformNames[ct]); 200 mShader.append(";\n"); 201 } 202 203 mShader.append("void main() {\n"); 204 mShader.append(" gl_Position = UNI_MVP * ATTRIB_position;\n"); 205 mShader.append(" gl_PointSize = ATTRIB_pointSize;\n"); 206 207 mShader.append(" varColor = ATTRIB_color;\n"); 208 if (mTextureMatrixEnable) { 209 mShader.append(" varTex0 = UNI_TexMatrix * ATTRIB_texture0;\n"); 210 } else { 211 mShader.append(" varTex0 = ATTRIB_texture0;\n"); 212 } 213 //mShader.append(" pos.x = pos.x / 480.0;\n"); 214 //mShader.append(" pos.y = pos.y / 800.0;\n"); 215 //mShader.append(" gl_Position = pos;\n"); 216 mShader.append("}\n"); 217 } 218} 219 220void ProgramVertex::setupGL2(const Context *rsc, ProgramVertexState *state, ShaderCache *sc) 221{ 222 //LOGE("sgl2 vtx1 %x", glGetError()); 223 if ((state->mLast.get() == this) && !mDirty) { 224 //return; 225 } 226 227 rsc->checkError("ProgramVertex::setupGL2 start"); 228 glVertexAttrib4f(1, state->color[0], state->color[1], state->color[2], state->color[3]); 229 230 const float *f = static_cast<const float *>(mConstants[0]->getPtr()); 231 232 Matrix mvp; 233 mvp.load(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]); 234 Matrix t; 235 t.load(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET]); 236 mvp.multiply(&t); 237 238 glUniformMatrix4fv(sc->vtxUniformSlot(0), 1, GL_FALSE, mvp.m); 239 if (mTextureMatrixEnable) { 240 glUniformMatrix4fv(sc->vtxUniformSlot(1), 1, GL_FALSE, 241 &f[RS_PROGRAM_VERTEX_TEXTURE_OFFSET]); 242 } 243 244 rsc->checkError("ProgramVertex::setupGL2 begin uniforms"); 245 uint32_t uidx = 1; 246 for (uint32_t ct=0; ct < mConstantCount; ct++) { 247 Allocation *alloc = mConstants[ct+1].get(); 248 if (!alloc) { 249 continue; 250 } 251 252 const uint8_t *data = static_cast<const uint8_t *>(alloc->getPtr()); 253 const Element *e = mConstantTypes[ct]->getElement(); 254 for (uint32_t field=0; field < e->getFieldCount(); field++) { 255 const Element *f = e->getField(field); 256 uint32_t offset = e->getFieldOffsetBytes(field); 257 int32_t slot = sc->vtxUniformSlot(uidx); 258 259 const float *fd = reinterpret_cast<const float *>(&data[offset]); 260 261 //LOGE("Uniform slot=%i, offset=%i, constant=%i, field=%i, uidx=%i", slot, offset, ct, field, uidx); 262 if (slot >= 0) { 263 switch(f->getComponent().getVectorSize()) { 264 case 1: 265 //LOGE("Uniform 1 = %f", fd[0]); 266 glUniform1fv(slot, 1, fd); 267 break; 268 case 2: 269 //LOGE("Uniform 2 = %f %f", fd[0], fd[1]); 270 glUniform2fv(slot, 1, fd); 271 break; 272 case 3: 273 //LOGE("Uniform 3 = %f %f %f", fd[0], fd[1], fd[2]); 274 glUniform3fv(slot, 1, fd); 275 break; 276 case 4: 277 //LOGE("Uniform 4 = %f %f %f %f", fd[0], fd[1], fd[2], fd[3]); 278 glUniform4fv(slot, 1, fd); 279 break; 280 default: 281 rsAssert(0); 282 } 283 } 284 uidx ++; 285 } 286 } 287 288 for (uint32_t ct=0; ct < mConstantCount; ct++) { 289 uint32_t glSlot = sc->vtxUniformSlot(ct + 1); 290 291 } 292 293 state->mLast.set(this); 294 rsc->checkError("ProgramVertex::setupGL2"); 295} 296 297void ProgramVertex::addLight(const Light *l) 298{ 299 if (mLightCount < MAX_LIGHTS) { 300 mLights[mLightCount].set(l); 301 mLightCount++; 302 } 303} 304 305void ProgramVertex::setProjectionMatrix(const rsc_Matrix *m) const 306{ 307 float *f = static_cast<float *>(mConstants[0]->getPtr()); 308 memcpy(&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET], m, sizeof(rsc_Matrix)); 309 mDirty = true; 310} 311 312void ProgramVertex::setModelviewMatrix(const rsc_Matrix *m) const 313{ 314 float *f = static_cast<float *>(mConstants[0]->getPtr()); 315 memcpy(&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET], m, sizeof(rsc_Matrix)); 316 mDirty = true; 317} 318 319void ProgramVertex::setTextureMatrix(const rsc_Matrix *m) const 320{ 321 float *f = static_cast<float *>(mConstants[0]->getPtr()); 322 memcpy(&f[RS_PROGRAM_VERTEX_TEXTURE_OFFSET], m, sizeof(rsc_Matrix)); 323 mDirty = true; 324} 325 326void ProgramVertex::transformToScreen(const Context *rsc, float *v4out, const float *v3in) const 327{ 328 float *f = static_cast<float *>(mConstants[0]->getPtr()); 329 Matrix mvp; 330 mvp.loadMultiply((Matrix *)&f[RS_PROGRAM_VERTEX_MODELVIEW_OFFSET], 331 (Matrix *)&f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET]); 332 mvp.vectorMultiply(v4out, v3in); 333} 334 335void ProgramVertex::initAddUserElement(const Element *e, String8 *names, uint32_t *count, const char *prefix) 336{ 337 rsAssert(e->getFieldCount()); 338 for (uint32_t ct=0; ct < e->getFieldCount(); ct++) { 339 const Element *ce = e->getField(ct); 340 if (ce->getFieldCount()) { 341 initAddUserElement(ce, names, count, prefix); 342 } else { 343 String8 tmp(prefix); 344 tmp.append(e->getFieldName(ct)); 345 names[*count].setTo(tmp.string()); 346 (*count)++; 347 } 348 } 349} 350 351 352void ProgramVertex::init(Context *rsc) 353{ 354 mAttribCount = 0; 355 if (mUserShader.size() > 0) { 356 for (uint32_t ct=0; ct < mInputCount; ct++) { 357 initAddUserElement(mInputElements[ct].get(), mAttribNames, &mAttribCount, "ATTRIB_"); 358 } 359 360 mUniformCount = 1; 361 mUniformNames[0].setTo("UNI_MVP"); 362 for (uint32_t ct=0; ct < mConstantCount; ct++) { 363 initAddUserElement(mConstantTypes[ct]->getElement(), mUniformNames, &mUniformCount, "UNI_"); 364 } 365 } else { 366 mUniformCount = 2; 367 mUniformNames[0].setTo("UNI_MVP"); 368 mUniformNames[1].setTo("UNI_TexMatrix"); 369 } 370 371 createShader(); 372} 373 374void ProgramVertex::serialize(OStream *stream) const 375{ 376 377} 378 379ProgramVertex *ProgramVertex::createFromStream(Context *rsc, IStream *stream) 380{ 381 return NULL; 382} 383 384 385/////////////////////////////////////////////////////////////////////// 386 387ProgramVertexState::ProgramVertexState() 388{ 389} 390 391ProgramVertexState::~ProgramVertexState() 392{ 393} 394 395void ProgramVertexState::init(Context *rsc) 396{ 397#ifndef ANDROID_RS_BUILD_FOR_HOST 398 RsElement e = (RsElement) Element::create(rsc, RS_TYPE_FLOAT_32, RS_KIND_USER, false, 1); 399 400 rsi_TypeBegin(rsc, e); 401 rsi_TypeAdd(rsc, RS_DIMENSION_X, 48); 402 mAllocType.set((Type *)rsi_TypeCreate(rsc)); 403 404 ProgramVertex *pv = new ProgramVertex(rsc, false); 405 Allocation *alloc = (Allocation *)rsi_AllocationCreateTyped(rsc, mAllocType.get()); 406 407 mDefaultAlloc.set(alloc); 408 mDefault.set(pv); 409 pv->init(rsc); 410 pv->bindAllocation(alloc, 0); 411 412 color[0] = 1.f; 413 color[1] = 1.f; 414 color[2] = 1.f; 415 color[3] = 1.f; 416 417 updateSize(rsc); 418#endif //ANDROID_RS_BUILD_FOR_HOST 419 420} 421 422void ProgramVertexState::updateSize(Context *rsc) 423{ 424 Matrix m; 425 m.loadOrtho(0,rsc->getWidth(), rsc->getHeight(),0, -1,1); 426 mDefaultAlloc->subData(RS_PROGRAM_VERTEX_PROJECTION_OFFSET, 16, &m.m[0], 16*4); 427 428 m.loadIdentity(); 429 mDefaultAlloc->subData(RS_PROGRAM_VERTEX_MODELVIEW_OFFSET, 16, &m.m[0], 16*4); 430} 431 432void ProgramVertexState::deinit(Context *rsc) 433{ 434 mDefaultAlloc.clear(); 435 mDefault.clear(); 436 mAllocType.clear(); 437 mLast.clear(); 438} 439 440 441namespace android { 442namespace renderscript { 443 444 445RsProgramVertex rsi_ProgramVertexCreate(Context *rsc, bool texMat) 446{ 447 ProgramVertex *pv = new ProgramVertex(rsc, texMat); 448 pv->incUserRef(); 449 return pv; 450} 451 452RsProgramVertex rsi_ProgramVertexCreate2(Context *rsc, const char * shaderText, 453 uint32_t shaderLength, const uint32_t * params, 454 uint32_t paramLength) 455{ 456 ProgramVertex *pv = new ProgramVertex(rsc, shaderText, shaderLength, params, paramLength); 457 pv->incUserRef(); 458 return pv; 459} 460 461 462} 463} 464