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 "rsProgram.h" 19 20 using namespace android; 21 using namespace android::renderscript; 22 23 Program::Program(Context *rsc, const char * shaderText, size_t shaderLength, 24 const uint32_t * params, size_t paramLength) 25 : ProgramBase(rsc) { 26 27 initMemberVars(); 28 for (uint32_t ct=0; ct < paramLength; ct+=2) { 29 if (params[ct] == RS_PROGRAM_PARAM_INPUT) { 30 mHal.state.inputElementsCount++; 31 } 32 if (params[ct] == RS_PROGRAM_PARAM_CONSTANT) { 33 mHal.state.constantsCount++; 34 } 35 if (params[ct] == RS_PROGRAM_PARAM_TEXTURE_TYPE) { 36 mHal.state.texturesCount++; 37 } 38 } 39 40 mTextures = new ObjectBaseRef<Allocation>[mHal.state.texturesCount]; 41 mSamplers = new ObjectBaseRef<Sampler>[mHal.state.texturesCount]; 42 mInputElements = new ObjectBaseRef<Element>[mHal.state.inputElementsCount]; 43 mConstantTypes = new ObjectBaseRef<Type>[mHal.state.constantsCount]; 44 mConstants = new ObjectBaseRef<Allocation>[mHal.state.constantsCount]; 45 46 mHal.state.textures = new Allocation*[mHal.state.texturesCount]; 47 mHal.state.samplers = new Sampler*[mHal.state.texturesCount]; 48 mHal.state.textureTargets = new RsTextureTarget[mHal.state.texturesCount]; 49 mHal.state.inputElements = new Element*[mHal.state.inputElementsCount]; 50 mHal.state.constantTypes = new Type*[mHal.state.constantsCount]; 51 mHal.state.constants = new Allocation*[mHal.state.constantsCount]; 52 53 // Will initialize everything 54 freeChildren(); 55 56 uint32_t input = 0; 57 uint32_t constant = 0; 58 uint32_t texture = 0; 59 for (uint32_t ct=0; ct < paramLength; ct+=2) { 60 if (params[ct] == RS_PROGRAM_PARAM_INPUT) { 61 mInputElements[input].set(reinterpret_cast<Element *>(params[ct+1])); 62 mHal.state.inputElements[input++] = reinterpret_cast<Element *>(params[ct+1]); 63 } 64 if (params[ct] == RS_PROGRAM_PARAM_CONSTANT) { 65 mConstantTypes[constant].set(reinterpret_cast<Type *>(params[ct+1])); 66 mHal.state.constantTypes[constant++] = reinterpret_cast<Type *>(params[ct+1]); 67 } 68 if (params[ct] == RS_PROGRAM_PARAM_TEXTURE_TYPE) { 69 mHal.state.textureTargets[texture++] = (RsTextureTarget)params[ct+1]; 70 } 71 } 72 mIsInternal = false; 73 uint32_t internalTokenLen = strlen(RS_SHADER_INTERNAL); 74 if (shaderLength > internalTokenLen && 75 strncmp(RS_SHADER_INTERNAL, shaderText, internalTokenLen) == 0) { 76 mIsInternal = true; 77 shaderText += internalTokenLen; 78 shaderLength -= internalTokenLen; 79 } 80 mUserShader.setTo(shaderText, shaderLength); 81 } 82 83 Program::~Program() { 84 freeChildren(); 85 86 delete[] mTextures; 87 delete[] mSamplers; 88 delete[] mInputElements; 89 delete[] mConstantTypes; 90 delete[] mConstants; 91 92 delete[] mHal.state.textures; 93 delete[] mHal.state.samplers; 94 delete[] mHal.state.textureTargets; 95 delete[] mHal.state.inputElements; 96 delete[] mHal.state.constantTypes; 97 delete[] mHal.state.constants; 98 mHal.state.inputElementsCount = 0; 99 mHal.state.constantsCount = 0; 100 mHal.state.texturesCount = 0; 101 } 102 103 bool Program::freeChildren() { 104 for (uint32_t ct=0; ct < mHal.state.constantsCount; ct++) { 105 bindAllocation(NULL, NULL, ct); 106 } 107 108 for (uint32_t ct=0; ct < mHal.state.texturesCount; ct++) { 109 bindTexture(NULL, ct, NULL); 110 bindSampler(NULL, ct, NULL); 111 } 112 return false; 113 } 114 115 void Program::initMemberVars() { 116 mDirty = true; 117 118 mHal.drv = NULL; 119 mHal.state.textures = NULL; 120 mHal.state.samplers = NULL; 121 mHal.state.textureTargets = NULL; 122 mHal.state.inputElements = NULL; 123 mHal.state.constantTypes = NULL; 124 mHal.state.constants = NULL; 125 126 mHal.state.inputElementsCount = 0; 127 mHal.state.constantsCount = 0; 128 mHal.state.texturesCount = 0; 129 130 mTextures = NULL; 131 mSamplers = NULL; 132 mInputElements = NULL; 133 mConstantTypes = NULL; 134 mConstants = NULL; 135 136 mIsInternal = false; 137 } 138 139 void Program::bindAllocation(Context *rsc, Allocation *alloc, uint32_t slot) { 140 if (alloc != NULL) { 141 if (slot >= mHal.state.constantsCount) { 142 ALOGE("Attempt to bind alloc at slot %u, on shader id %u, but const count is %u", 143 slot, (uint32_t)this, mHal.state.constantsCount); 144 rsc->setError(RS_ERROR_BAD_SHADER, "Cannot bind allocation"); 145 return; 146 } 147 if (alloc->getType() != mConstantTypes[slot].get()) { 148 ALOGE("Attempt to bind alloc at slot %u, on shader id %u, but types mismatch", 149 slot, (uint32_t)this); 150 rsc->setError(RS_ERROR_BAD_SHADER, "Cannot bind allocation"); 151 return; 152 } 153 } 154 if (mConstants[slot].get() == alloc) { 155 return; 156 } 157 if (mConstants[slot].get()) { 158 mConstants[slot]->removeProgramToDirty(this); 159 } 160 mConstants[slot].set(alloc); 161 mHal.state.constants[slot] = alloc; 162 if (alloc) { 163 alloc->addProgramToDirty(this); 164 } 165 mDirty = true; 166 } 167 168 void Program::bindTexture(Context *rsc, uint32_t slot, Allocation *a) { 169 if (slot >= mHal.state.texturesCount) { 170 ALOGE("Attempt to bind texture to slot %u but tex count is %u", slot, mHal.state.texturesCount); 171 rsc->setError(RS_ERROR_BAD_SHADER, "Cannot bind texture"); 172 return; 173 } 174 175 if (a && a->getType()->getDimFaces() && mHal.state.textureTargets[slot] != RS_TEXTURE_CUBE) { 176 ALOGE("Attempt to bind cubemap to slot %u but 2d texture needed", slot); 177 rsc->setError(RS_ERROR_BAD_SHADER, "Cannot bind cubemap to 2d texture slot"); 178 return; 179 } 180 181 mTextures[slot].set(a); 182 mHal.state.textures[slot] = a; 183 184 mDirty = true; 185 } 186 187 void Program::bindSampler(Context *rsc, uint32_t slot, Sampler *s) { 188 if (slot >= mHal.state.texturesCount) { 189 ALOGE("Attempt to bind sampler to slot %u but tex count is %u", slot, mHal.state.texturesCount); 190 rsc->setError(RS_ERROR_BAD_SHADER, "Cannot bind sampler"); 191 return; 192 } 193 194 mSamplers[slot].set(s); 195 mHal.state.samplers[slot] = s; 196 mDirty = true; 197 } 198 199 namespace android { 200 namespace renderscript { 201 202 void rsi_ProgramBindConstants(Context *rsc, RsProgram vp, uint32_t slot, RsAllocation constants) { 203 Program *p = static_cast<Program *>(vp); 204 p->bindAllocation(rsc, static_cast<Allocation *>(constants), slot); 205 } 206 207 void rsi_ProgramBindTexture(Context *rsc, RsProgram vpf, uint32_t slot, RsAllocation a) { 208 Program *p = static_cast<Program *>(vpf); 209 p->bindTexture(rsc, slot, static_cast<Allocation *>(a)); 210 } 211 212 void rsi_ProgramBindSampler(Context *rsc, RsProgram vpf, uint32_t slot, RsSampler s) { 213 Program *p = static_cast<Program *>(vpf); 214 p->bindSampler(rsc, slot, static_cast<Sampler *>(s)); 215 } 216 217 } 218 } 219 220