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
19 using namespace android;
20 using namespace android::renderscript;
21
22 #include <GLES/gl.h>
23 #include <GLES/glext.h>
24
SimpleMesh(Context * rsc)25 SimpleMesh::SimpleMesh(Context *rsc) : ObjectBase(rsc)
26 {
27 mAllocFile = __FILE__;
28 mAllocLine = __LINE__;
29 }
30
~SimpleMesh()31 SimpleMesh::~SimpleMesh()
32 {
33 delete[] mVertexTypes;
34 delete[] mVertexBuffers;
35 }
36
render() const37 void SimpleMesh::render() const
38 {
39 if (mPrimitiveType.get()) {
40 renderRange(0, mPrimitiveType->getDimX());
41 return;
42 }
43
44 if (mIndexType.get()) {
45 renderRange(0, mIndexType->getDimX());
46 return;
47 }
48
49 renderRange(0, mVertexTypes[0]->getDimX());
50 }
51
renderRange(uint32_t start,uint32_t len) const52 void SimpleMesh::renderRange(uint32_t start, uint32_t len) const
53 {
54 if (len < 1) {
55 return;
56 }
57
58 glDisableClientState(GL_VERTEX_ARRAY);
59 glDisableClientState(GL_NORMAL_ARRAY);
60 glDisableClientState(GL_COLOR_ARRAY);
61 for (uint32_t ct=0; ct < RS_MAX_TEXTURE; ct++) {
62 glClientActiveTexture(GL_TEXTURE0 + ct);
63 glDisableClientState(GL_TEXTURE_COORD_ARRAY);
64 }
65 glClientActiveTexture(GL_TEXTURE0);
66
67 for (uint32_t ct=0; ct < mVertexTypeCount; ct++) {
68 glBindBuffer(GL_ARRAY_BUFFER, mVertexBuffers[ct]->getBufferObjectID());
69 mVertexTypes[ct]->enableGLVertexBuffer();
70 }
71
72 if (mIndexType.get()) {
73 glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mIndexBuffer->getBufferObjectID());
74 glDrawElements(mGLPrimitive, len, GL_UNSIGNED_SHORT, (uint16_t *)(start * 2));
75 } else {
76 glDrawArrays(mGLPrimitive, start, len);
77 }
78 }
79
uploadAll()80 void SimpleMesh::uploadAll()
81 {
82 for (uint32_t ct=0; ct < mVertexTypeCount; ct++) {
83 if (mVertexBuffers[ct].get()) {
84 mVertexBuffers[ct]->uploadToBufferObject();
85 }
86 }
87 if (mIndexBuffer.get()) {
88 mIndexBuffer->uploadToBufferObject();
89 }
90 if (mPrimitiveBuffer.get()) {
91 mPrimitiveBuffer->uploadToBufferObject();
92 }
93 }
94
95
SimpleMeshContext()96 SimpleMeshContext::SimpleMeshContext()
97 {
98 }
99
~SimpleMeshContext()100 SimpleMeshContext::~SimpleMeshContext()
101 {
102 }
103
104
105 namespace android {
106 namespace renderscript {
107
108
rsi_SimpleMeshCreate(Context * rsc,RsType prim,RsType idx,RsType * vtx,uint32_t vtxCount,uint32_t primType)109 RsSimpleMesh rsi_SimpleMeshCreate(Context *rsc, RsType prim, RsType idx, RsType *vtx, uint32_t vtxCount, uint32_t primType)
110 {
111 SimpleMesh *sm = new SimpleMesh(rsc);
112 sm->incUserRef();
113
114 sm->mIndexType.set((const Type *)idx);
115 sm->mPrimitiveType.set((const Type *)prim);
116
117 sm->mVertexTypeCount = vtxCount;
118 sm->mVertexTypes = new ObjectBaseRef<const Type>[vtxCount];
119 sm->mVertexBuffers = new ObjectBaseRef<Allocation>[vtxCount];
120 for (uint32_t ct=0; ct < vtxCount; ct++) {
121 sm->mVertexTypes[ct].set((const Type *)vtx[ct]);
122 }
123
124 sm->mPrimitive = (RsPrimitive)primType;
125 switch(sm->mPrimitive) {
126 case RS_PRIMITIVE_POINT: sm->mGLPrimitive = GL_POINTS; break;
127 case RS_PRIMITIVE_LINE: sm->mGLPrimitive = GL_LINES; break;
128 case RS_PRIMITIVE_LINE_STRIP: sm->mGLPrimitive = GL_LINE_STRIP; break;
129 case RS_PRIMITIVE_TRIANGLE: sm->mGLPrimitive = GL_TRIANGLES; break;
130 case RS_PRIMITIVE_TRIANGLE_STRIP: sm->mGLPrimitive = GL_TRIANGLE_STRIP; break;
131 case RS_PRIMITIVE_TRIANGLE_FAN: sm->mGLPrimitive = GL_TRIANGLE_FAN; break;
132 }
133 return sm;
134 }
135
rsi_SimpleMeshBindVertex(Context * rsc,RsSimpleMesh mv,RsAllocation va,uint32_t slot)136 void rsi_SimpleMeshBindVertex(Context *rsc, RsSimpleMesh mv, RsAllocation va, uint32_t slot)
137 {
138 SimpleMesh *sm = static_cast<SimpleMesh *>(mv);
139 rsAssert(slot < sm->mVertexTypeCount);
140
141 sm->mVertexBuffers[slot].set((Allocation *)va);
142 }
143
rsi_SimpleMeshBindIndex(Context * rsc,RsSimpleMesh mv,RsAllocation va)144 void rsi_SimpleMeshBindIndex(Context *rsc, RsSimpleMesh mv, RsAllocation va)
145 {
146 SimpleMesh *sm = static_cast<SimpleMesh *>(mv);
147 sm->mIndexBuffer.set((Allocation *)va);
148 }
149
rsi_SimpleMeshBindPrimitive(Context * rsc,RsSimpleMesh mv,RsAllocation va)150 void rsi_SimpleMeshBindPrimitive(Context *rsc, RsSimpleMesh mv, RsAllocation va)
151 {
152 SimpleMesh *sm = static_cast<SimpleMesh *>(mv);
153 sm->mPrimitiveBuffer.set((Allocation *)va);
154 }
155
156
157
158
159 }}
160
161