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 namespace android {
23 namespace renderscript {
24
FBOCache()25 FBOCache::FBOCache() {
26 mDirty = true;
27 mHal.state.colorTargetsCount = 1;
28 mHal.state.colorTargets = new Allocation*[mHal.state.colorTargetsCount];
29 mColorTargets = new ObjectBaseRef<Allocation>[mHal.state.colorTargetsCount];
30 resetAll(nullptr);
31 }
32
~FBOCache()33 FBOCache::~FBOCache() {
34 delete[] mHal.state.colorTargets;
35 delete[] mColorTargets;
36 }
37
init(Context * rsc)38 void FBOCache::init(Context *rsc) {
39 rsc->mHal.funcs.framebuffer.init(rsc, this);
40 }
41
deinit(Context * rsc)42 void FBOCache::deinit(Context *rsc) {
43 rsc->mHal.funcs.framebuffer.destroy(rsc, this);
44 }
45
bindColorTarget(Context * rsc,Allocation * a,uint32_t slot)46 void FBOCache::bindColorTarget(Context *rsc, Allocation *a, uint32_t slot) {
47 if (slot >= mHal.state.colorTargetsCount) {
48 ALOGE("Invalid render target index");
49 return;
50 }
51 if (a != nullptr) {
52 if (!(a->getIsTexture() || (a->mHal.state.usageFlags & RS_ALLOCATION_USAGE_IO_OUTPUT))) {
53 ALOGE("Invalid Color Target");
54 return;
55 }
56 }
57 mColorTargets[slot].set(a);
58 mHal.state.colorTargets[slot] = a;
59 mDirty = true;
60 }
61
bindDepthTarget(Context * rsc,Allocation * a)62 void FBOCache::bindDepthTarget(Context *rsc, Allocation *a) {
63 if (a != nullptr) {
64 if (!a->getIsRenderTarget()) {
65 ALOGE("Invalid Depth Target");
66 return;
67 }
68 }
69 mDepthTarget.set(a);
70 mHal.state.depthTarget = a;
71 mDirty = true;
72 }
73
resetAll(Context *)74 void FBOCache::resetAll(Context *) {
75 for (uint32_t i = 0; i < mHal.state.colorTargetsCount; i ++) {
76 mColorTargets[i].set(nullptr);
77 mHal.state.colorTargets[i] = nullptr;
78 }
79 mDepthTarget.set(nullptr);
80 mHal.state.depthTarget = nullptr;
81 mDirty = true;
82 }
83
setup(Context * rsc)84 void FBOCache::setup(Context *rsc) {
85 if (!mDirty) {
86 return;
87 }
88
89 rsc->mHal.funcs.framebuffer.setActive(rsc, this);
90
91 mDirty = false;
92 }
93
94 } // namespace renderscript
95 } // namespace android
96