1 /*
2  * Copyright (C) 2011-2012 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 "rsdAllocation.h"
20 #include "rsdProgramVertex.h"
21 #include "rsdShader.h"
22 #include "rsdShaderCache.h"
23 
24 #include "rsContext.h"
25 #include "rsProgramVertex.h"
26 #include "rsProgramFragment.h"
27 
28 #include <GLES/gl.h>
29 #include <GLES/glext.h>
30 #include <GLES2/gl2.h>
31 #include <GLES2/gl2ext.h>
32 
33 using namespace android;
34 using namespace android::renderscript;
35 
rsdProgramVertexInit(const Context * rsc,const ProgramVertex * pv,const char * shader,size_t shaderLen,const char ** textureNames,size_t textureNamesCount,const size_t * textureNamesLength)36 bool rsdProgramVertexInit(const Context *rsc, const ProgramVertex *pv,
37                           const char* shader, size_t shaderLen,
38                           const char** textureNames, size_t textureNamesCount,
39                           const size_t *textureNamesLength) {
40     RsdShader *drv = new RsdShader(pv, GL_VERTEX_SHADER, shader, shaderLen,
41                                    textureNames, textureNamesCount, textureNamesLength);
42     pv->mHal.drv = drv;
43 
44     return true;
45 }
46 
SyncProgramConstants(const Context * rsc,const Program * p)47 static void SyncProgramConstants(const Context *rsc, const Program *p) {
48     for (uint32_t ct=0; ct < p->mHal.state.texturesCount; ct++) {
49         const Allocation *a = p->mHal.state.textures[ct];
50         if (!a) {
51             continue;
52         }
53         DrvAllocation *drvAlloc = (DrvAllocation *)a->mHal.drv;
54         if (drvAlloc->uploadDeferred) {
55             rsdAllocationSyncAll(rsc, a, RS_ALLOCATION_USAGE_SCRIPT);
56         }
57     }
58 }
59 
rsdProgramVertexSetActive(const Context * rsc,const ProgramVertex * pv)60 void rsdProgramVertexSetActive(const Context *rsc, const ProgramVertex *pv) {
61     RsdHal *dc = (RsdHal *)rsc->mHal.drv;
62 
63     SyncProgramConstants(rsc, pv);
64     dc->gl.shaderCache->setActiveVertex((RsdShader*)pv->mHal.drv);
65 }
66 
rsdProgramVertexDestroy(const Context * rsc,const ProgramVertex * pv)67 void rsdProgramVertexDestroy(const Context *rsc, const ProgramVertex *pv) {
68     RsdHal *dc = (RsdHal *)rsc->mHal.drv;
69 
70     RsdShader *drv = nullptr;
71     if(pv->mHal.drv) {
72         drv = (RsdShader*)pv->mHal.drv;
73         if (rsc->props.mLogShaders) {
74             ALOGV("Destroying vertex shader with ID %p", (void*)pv);
75         }
76         if (drv->getStateBasedIDCount()) {
77             dc->gl.shaderCache->cleanupVertex(drv);
78         }
79         delete drv;
80     }
81 }
82 
rsdProgramFragmentInit(const Context * rsc,const ProgramFragment * pf,const char * shader,size_t shaderLen,const char ** textureNames,size_t textureNamesCount,const size_t * textureNamesLength)83 bool rsdProgramFragmentInit(const Context *rsc, const ProgramFragment *pf,
84                             const char* shader, size_t shaderLen,
85                             const char** textureNames, size_t textureNamesCount,
86                             const size_t *textureNamesLength) {
87     RsdShader *drv = new RsdShader(pf, GL_FRAGMENT_SHADER, shader, shaderLen,
88                                    textureNames, textureNamesCount, textureNamesLength);
89     pf->mHal.drv = drv;
90 
91     return true;
92 }
93 
rsdProgramFragmentSetActive(const Context * rsc,const ProgramFragment * pf)94 void rsdProgramFragmentSetActive(const Context *rsc, const ProgramFragment *pf) {
95     RsdHal *dc = (RsdHal *)rsc->mHal.drv;
96 
97     SyncProgramConstants(rsc, pf);
98     dc->gl.shaderCache->setActiveFragment((RsdShader*)pf->mHal.drv);
99 }
100 
rsdProgramFragmentDestroy(const Context * rsc,const ProgramFragment * pf)101 void rsdProgramFragmentDestroy(const Context *rsc, const ProgramFragment *pf) {
102     RsdHal *dc = (RsdHal *)rsc->mHal.drv;
103 
104     RsdShader *drv = nullptr;
105     if(pf->mHal.drv) {
106         drv = (RsdShader*)pf->mHal.drv;
107         if (rsc->props.mLogShaders) {
108             ALOGV("Destroying fragment shader with ID %p", (void*)pf);
109         }
110         if (drv->getStateBasedIDCount()) {
111             dc->gl.shaderCache->cleanupFragment(drv);
112         }
113         delete drv;
114     }
115 }
116 
117 
118