rsProgramFragment.cpp revision a04e30dbb5ab11592b03666bb3d102070759c58e
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 20using namespace android; 21using namespace android::renderscript; 22 23ProgramFragment::ProgramFragment(Context *rsc, const char * shaderText, 24 uint32_t shaderLength, const uint32_t * params, 25 uint32_t paramLength) 26 : Program(rsc, shaderText, shaderLength, params, paramLength) { 27 mConstantColor[0] = 1.f; 28 mConstantColor[1] = 1.f; 29 mConstantColor[2] = 1.f; 30 mConstantColor[3] = 1.f; 31 32 mRSC->mHal.funcs.fragment.init(mRSC, this, mUserShader.string(), mUserShader.length()); 33} 34 35ProgramFragment::~ProgramFragment() { 36 mRSC->mHal.funcs.fragment.destroy(mRSC, this); 37} 38 39void ProgramFragment::setConstantColor(Context *rsc, float r, float g, float b, float a) { 40 if (isUserProgram()) { 41 LOGE("Attempting to set fixed function emulation color on user program"); 42 rsc->setError(RS_ERROR_BAD_SHADER, "Cannot set fixed function emulation color on user program"); 43 return; 44 } 45 if (mHal.state.constants[0].get() == NULL) { 46 LOGE("Unable to set fixed function emulation color because allocation is missing"); 47 rsc->setError(RS_ERROR_BAD_SHADER, "Unable to set fixed function emulation color because allocation is missing"); 48 return; 49 } 50 mConstantColor[0] = r; 51 mConstantColor[1] = g; 52 mConstantColor[2] = b; 53 mConstantColor[3] = a; 54 memcpy(mHal.state.constants[0]->getPtr(), mConstantColor, 4*sizeof(float)); 55 mDirty = true; 56} 57 58void ProgramFragment::setupGL2(Context *rsc, ProgramFragmentState *state) { 59 //LOGE("sgl2 frag1 %x", glGetError()); 60 if ((state->mLast.get() == this) && !mDirty) { 61 return; 62 } 63 state->mLast.set(this); 64 65 rsc->checkError("ProgramFragment::setupGL2 start"); 66 67 for (uint32_t ct=0; ct < mHal.state.texturesCount; ct++) { 68 if (!mHal.state.textures[ct].get()) { 69 LOGE("No texture bound for shader id %u, texture unit %u", (uint)this, ct); 70 rsc->setError(RS_ERROR_BAD_SHADER, "No texture bound"); 71 continue; 72 } 73 mHal.state.textures[ct]->uploadCheck(rsc); 74 } 75 76 rsc->mHal.funcs.fragment.setActive(rsc, this); 77} 78 79void ProgramFragment::serialize(OStream *stream) const { 80} 81 82ProgramFragment *ProgramFragment::createFromStream(Context *rsc, IStream *stream) { 83 return NULL; 84} 85 86ProgramFragmentState::ProgramFragmentState() { 87 mPF = NULL; 88} 89 90ProgramFragmentState::~ProgramFragmentState() { 91 ObjectBase::checkDelete(mPF); 92 mPF = NULL; 93} 94 95void ProgramFragmentState::init(Context *rsc) { 96 String8 shaderString(RS_SHADER_INTERNAL); 97 shaderString.append("varying lowp vec4 varColor;\n"); 98 shaderString.append("varying vec2 varTex0;\n"); 99 shaderString.append("void main() {\n"); 100 shaderString.append(" lowp vec4 col = UNI_Color;\n"); 101 shaderString.append(" gl_FragColor = col;\n"); 102 shaderString.append("}\n"); 103 104 const Element *colorElem = Element::create(rsc, RS_TYPE_FLOAT_32, RS_KIND_USER, false, 4); 105 rsc->mStateElement.elementBuilderBegin(); 106 rsc->mStateElement.elementBuilderAdd(colorElem, "Color", 1); 107 const Element *constInput = rsc->mStateElement.elementBuilderCreate(rsc); 108 109 Type *inputType = Type::getType(rsc, constInput, 1, 0, 0, false, false); 110 111 uint32_t tmp[2]; 112 tmp[0] = RS_PROGRAM_PARAM_CONSTANT; 113 tmp[1] = (uint32_t)inputType; 114 115 Allocation *constAlloc = new Allocation(rsc, inputType, RS_ALLOCATION_USAGE_SCRIPT | RS_ALLOCATION_USAGE_GRAPHICS_CONSTANTS); 116 ProgramFragment *pf = new ProgramFragment(rsc, shaderString.string(), 117 shaderString.length(), tmp, 2); 118 pf->bindAllocation(rsc, constAlloc, 0); 119 pf->setConstantColor(rsc, 1.0f, 1.0f, 1.0f, 1.0f); 120 121 mDefault.set(pf); 122} 123 124void ProgramFragmentState::deinit(Context *rsc) { 125 mDefault.clear(); 126 mLast.clear(); 127} 128 129namespace android { 130namespace renderscript { 131 132RsProgramFragment rsi_ProgramFragmentCreate(Context *rsc, const char * shaderText, 133 uint32_t shaderLength, const uint32_t * params, 134 uint32_t paramLength) { 135 ProgramFragment *pf = new ProgramFragment(rsc, shaderText, shaderLength, params, paramLength); 136 pf->incUserRef(); 137 //LOGE("rsi_ProgramFragmentCreate %p", pf); 138 return pf; 139} 140 141} 142} 143 144