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 "rsFBOCache.h"
18
19 #include "rsContext.h"
20 #include "rsAllocation.h"
21
22 using namespace android;
23 using namespace android::renderscript;
24
25
FBOCache()26 FBOCache::FBOCache() {
27 mDirty = true;
28 mHal.state.colorTargetsCount = 1;
29 mHal.state.colorTargets = new Allocation*[mHal.state.colorTargetsCount];
30 mColorTargets = new ObjectBaseRef<Allocation>[mHal.state.colorTargetsCount];
31 resetAll(nullptr);
32 }
33
~FBOCache()34 FBOCache::~FBOCache() {
35 delete[] mHal.state.colorTargets;
36 delete[] mColorTargets;
37 }
38
init(Context * rsc)39 void FBOCache::init(Context *rsc) {
40 rsc->mHal.funcs.framebuffer.init(rsc, this);
41 }
42
deinit(Context * rsc)43 void FBOCache::deinit(Context *rsc) {
44 rsc->mHal.funcs.framebuffer.destroy(rsc, this);
45 }
46
bindColorTarget(Context * rsc,Allocation * a,uint32_t slot)47 void FBOCache::bindColorTarget(Context *rsc, Allocation *a, uint32_t slot) {
48 if (slot >= mHal.state.colorTargetsCount) {
49 ALOGE("Invalid render target index");
50 return;
51 }
52 if (a != nullptr) {
53 if (!(a->getIsTexture() || (a->mHal.state.usageFlags & RS_ALLOCATION_USAGE_IO_OUTPUT))) {
54 ALOGE("Invalid Color Target");
55 return;
56 }
57 }
58 mColorTargets[slot].set(a);
59 mHal.state.colorTargets[slot] = a;
60 mDirty = true;
61 }
62
bindDepthTarget(Context * rsc,Allocation * a)63 void FBOCache::bindDepthTarget(Context *rsc, Allocation *a) {
64 if (a != nullptr) {
65 if (!a->getIsRenderTarget()) {
66 ALOGE("Invalid Depth Target");
67 return;
68 }
69 }
70 mDepthTarget.set(a);
71 mHal.state.depthTarget = a;
72 mDirty = true;
73 }
74
resetAll(Context *)75 void FBOCache::resetAll(Context *) {
76 for (uint32_t i = 0; i < mHal.state.colorTargetsCount; i ++) {
77 mColorTargets[i].set(nullptr);
78 mHal.state.colorTargets[i] = nullptr;
79 }
80 mDepthTarget.set(nullptr);
81 mHal.state.depthTarget = nullptr;
82 mDirty = true;
83 }
84
setup(Context * rsc)85 void FBOCache::setup(Context *rsc) {
86 if (!mDirty) {
87 return;
88 }
89
90 rsc->mHal.funcs.framebuffer.setActive(rsc, this);
91
92 mDirty = false;
93 }
94