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 #include "rsContext.h" 18 #include "rsProgramFragment.h" 19 20 #include <inttypes.h> 21 22 namespace android { 23 namespace renderscript { 24 25 ProgramFragment::ProgramFragment(Context *rsc, const char * shaderText, size_t shaderLength, 26 const char** textureNames, size_t textureNamesCount, const size_t *textureNamesLength, 27 const uintptr_t * params, size_t paramLength) 28 : Program(rsc, shaderText, shaderLength, params, paramLength) { 29 mConstantColor[0] = 1.f; 30 mConstantColor[1] = 1.f; 31 mConstantColor[2] = 1.f; 32 mConstantColor[3] = 1.f; 33 34 mRSC->mHal.funcs.fragment.init(mRSC, this, mUserShader, mUserShaderLen, 35 textureNames, textureNamesCount, textureNamesLength); 36 } 37 38 ProgramFragment::~ProgramFragment() { 39 mRSC->mHal.funcs.fragment.destroy(mRSC, this); 40 } 41 42 void ProgramFragment::setConstantColor(Context *rsc, float r, float g, float b, float a) { 43 if (isUserProgram()) { 44 ALOGE("Attempting to set fixed function emulation color on user program"); 45 rsc->setError(RS_ERROR_BAD_SHADER, "Cannot set fixed function emulation color on user program"); 46 return; 47 } 48 if (mHal.state.constants[0] == nullptr) { 49 ALOGE("Unable to set fixed function emulation color because allocation is missing"); 50 rsc->setError(RS_ERROR_BAD_SHADER, "Unable to set fixed function emulation color because allocation is missing"); 51 return; 52 } 53 mConstantColor[0] = r; 54 mConstantColor[1] = g; 55 mConstantColor[2] = b; 56 mConstantColor[3] = a; 57 void *p = rsc->mHal.funcs.allocation.lock1D(rsc, mHal.state.constants[0]); 58 memcpy(p, mConstantColor, 4*sizeof(float)); 59 mDirty = true; 60 rsc->mHal.funcs.allocation.unlock1D(rsc, mHal.state.constants[0]); 61 } 62 63 void ProgramFragment::setup(Context *rsc, ProgramFragmentState *state) { 64 if ((state->mLast.get() == this) && !mDirty) { 65 return; 66 } 67 state->mLast.set(this); 68 69 for (uint32_t ct=0; ct < mHal.state.texturesCount; ct++) { 70 if (!mHal.state.textures[ct]) { 71 ALOGE("No texture bound for shader id %" PRIuPTR ", texture unit %u", (uintptr_t)this, ct); 72 rsc->setError(RS_ERROR_BAD_SHADER, "No texture bound"); 73 continue; 74 } 75 } 76 77 rsc->mHal.funcs.fragment.setActive(rsc, this); 78 } 79 80 void ProgramFragment::serialize(Context *rsc, OStream *stream) const { 81 } 82 83 ProgramFragment *ProgramFragment::createFromStream(Context *rsc, IStream *stream) { 84 return nullptr; 85 } 86 87 ProgramFragmentState::ProgramFragmentState() { 88 mPF = nullptr; 89 } 90 91 ProgramFragmentState::~ProgramFragmentState() { 92 ObjectBase::checkDelete(mPF); 93 mPF = nullptr; 94 } 95 96 void ProgramFragmentState::init(Context *rsc) { 97 const char *shaderString = 98 RS_SHADER_INTERNAL 99 "varying lowp vec4 varColor;\n" 100 "varying vec2 varTex0;\n" 101 "void main() {\n" 102 " lowp vec4 col = UNI_Color;\n" 103 " gl_FragColor = col;\n" 104 "}\n"; 105 106 ObjectBaseRef<const Element> colorElem = Element::createRef(rsc, RS_TYPE_FLOAT_32, RS_KIND_USER, false, 4); 107 108 const char *enames[] = { "Color" }; 109 const Element *eins[] = {colorElem.get()}; 110 ObjectBaseRef<const Element> constInput = Element::create(rsc, 1, eins, enames); 111 112 ObjectBaseRef<Type> inputType = Type::getTypeRef(rsc, constInput.get(), 1); 113 114 uintptr_t tmp[2]; 115 tmp[0] = RS_PROGRAM_PARAM_CONSTANT; 116 tmp[1] = (uintptr_t)inputType.get(); 117 118 Allocation *constAlloc = Allocation::createAllocation(rsc, inputType.get(), 119 RS_ALLOCATION_USAGE_SCRIPT | RS_ALLOCATION_USAGE_GRAPHICS_CONSTANTS); 120 ProgramFragment *pf = new ProgramFragment(rsc, shaderString, strlen(shaderString), 121 nullptr, 0, nullptr, tmp, 2); 122 pf->bindAllocation(rsc, constAlloc, 0); 123 pf->setConstantColor(rsc, 1.0f, 1.0f, 1.0f, 1.0f); 124 125 mDefault.set(pf); 126 } 127 128 void ProgramFragmentState::deinit(Context *rsc) { 129 mDefault.clear(); 130 mLast.clear(); 131 } 132 133 RsProgramFragment rsi_ProgramFragmentCreate(Context *rsc, const char * shaderText, 134 size_t shaderLength, 135 const char** textureNames, 136 size_t textureNamesCount, 137 const size_t *textureNamesLength, 138 const uintptr_t * params, size_t paramLength) { 139 ProgramFragment *pf = new ProgramFragment(rsc, shaderText, shaderLength, 140 textureNames, textureNamesCount, textureNamesLength, 141 params, paramLength); 142 pf->incUserRef(); 143 //ALOGE("rsi_ProgramFragmentCreate %p", pf); 144 return pf; 145 } 146 147 } // namespace renderscript 148 } // namespace android 149
