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 18 #include "rsdCore.h" 19 #include "rsdFrameBuffer.h" 20 #include "rsdFrameBufferObj.h" 21 #include "rsdAllocation.h" 22 23 #include "rsContext.h" 24 #include "rsFBOCache.h" 25 26 #include <GLES2/gl2.h> 27 #include <GLES2/gl2ext.h> 28 29 using android::renderscript::Context; 30 using android::renderscript::FBOCache; 31 32 void setDepthAttachment(const Context *rsc, const FBOCache *fb) { 33 RsdFrameBufferObj *fbo = (RsdFrameBufferObj*)fb->mHal.drv; 34 35 DrvAllocation *depth = nullptr; 36 if (fb->mHal.state.depthTarget != nullptr) { 37 depth = (DrvAllocation *)fb->mHal.state.depthTarget->mHal.drv; 38 39 if (depth->uploadDeferred) { 40 rsdAllocationSyncAll(rsc, fb->mHal.state.depthTarget, 41 RS_ALLOCATION_USAGE_SCRIPT); 42 } 43 } 44 fbo->setDepthTarget(depth); 45 } 46 47 void setColorAttachment(const Context *rsc, const FBOCache *fb) { 48 RsdFrameBufferObj *fbo = (RsdFrameBufferObj*)fb->mHal.drv; 49 // Now attach color targets 50 for (uint32_t i = 0; i < fb->mHal.state.colorTargetsCount; i ++) { 51 DrvAllocation *color = nullptr; 52 if (fb->mHal.state.colorTargets[i] != nullptr) { 53 color = (DrvAllocation *)fb->mHal.state.colorTargets[i]->mHal.drv; 54 55 if (color->uploadDeferred) { 56 rsdAllocationSyncAll(rsc, fb->mHal.state.colorTargets[i], 57 RS_ALLOCATION_USAGE_SCRIPT); 58 } 59 } 60 fbo->setColorTarget(color, i); 61 } 62 } 63 64 bool rsdFrameBufferInit(const Context *rsc, const FBOCache *fb) { 65 RsdFrameBufferObj *fbo = new RsdFrameBufferObj(); 66 if (fbo == nullptr) { 67 return false; 68 } 69 fb->mHal.drv = fbo; 70 71 RsdHal *dc = (RsdHal *)rsc->mHal.drv; 72 dc->gl.currentFrameBuffer = fbo; 73 74 return true; 75 } 76 77 void rsdFrameBufferSetActive(const Context *rsc, const FBOCache *fb) { 78 setDepthAttachment(rsc, fb); 79 setColorAttachment(rsc, fb); 80 81 RsdFrameBufferObj *fbo = (RsdFrameBufferObj *)fb->mHal.drv; 82 if (fb->mHal.state.colorTargets[0]) { 83 fbo->setDimensions(fb->mHal.state.colorTargets[0]->getType()->getDimX(), 84 fb->mHal.state.colorTargets[0]->getType()->getDimY()); 85 } else if (fb->mHal.state.depthTarget) { 86 fbo->setDimensions(fb->mHal.state.depthTarget->getType()->getDimX(), 87 fb->mHal.state.depthTarget->getType()->getDimY()); 88 } 89 90 fbo->setActive(rsc); 91 } 92 93 void rsdFrameBufferDestroy(const Context *rsc, const FBOCache *fb) { 94 RsdFrameBufferObj *fbo = (RsdFrameBufferObj *)fb->mHal.drv; 95 delete fbo; 96 fb->mHal.drv = nullptr; 97 } 98 99 100
