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 <rs_hal.h>
18 #include <rsContext.h>
19
20 #include <GLES/gl.h>
21 #include <GLES2/gl2.h>
22
23 #include "rsdGL.h"
24 #include "rsdCore.h"
25 #include "rsdVertexArray.h"
26 #include "rsdShaderCache.h"
27
28 using namespace android;
29 using namespace android::renderscript;
30
RsdVertexArray(const Attrib * attribs,uint32_t numAttribs)31 RsdVertexArray::RsdVertexArray(const Attrib *attribs, uint32_t numAttribs) {
32 mAttribs = attribs;
33 mCount = numAttribs;
34 }
35
~RsdVertexArray()36 RsdVertexArray::~RsdVertexArray() {
37 }
38
Attrib()39 RsdVertexArray::Attrib::Attrib() {
40 clear();
41 }
42
clear()43 void RsdVertexArray::Attrib::clear() {
44 buffer = 0;
45 offset = 0;
46 type = 0;
47 size = 0;
48 stride = 0;
49 ptr = nullptr;
50 normalized = false;
51 name.setTo("");
52 }
53
set(uint32_t type,uint32_t size,uint32_t stride,bool normalized,size_t offset,const char * name)54 void RsdVertexArray::Attrib::set(uint32_t type, uint32_t size, uint32_t stride,
55 bool normalized, size_t offset,
56 const char *name) {
57 clear();
58 this->type = type;
59 this->size = size;
60 this->offset = offset;
61 this->normalized = normalized;
62 this->stride = stride;
63 this->name.setTo(name);
64 }
65
logAttrib(uint32_t idx,uint32_t slot) const66 void RsdVertexArray::logAttrib(uint32_t idx, uint32_t slot) const {
67 if (idx == 0) {
68 ALOGV("Starting vertex attribute binding");
69 }
70 ALOGV("va %i: slot=%i name=%s buf=%i ptr=%p size=%i type=0x%x stride=0x%x norm=%i offset=0x%p",
71 idx, slot,
72 mAttribs[idx].name.string(),
73 mAttribs[idx].buffer,
74 mAttribs[idx].ptr,
75 mAttribs[idx].size,
76 mAttribs[idx].type,
77 mAttribs[idx].stride,
78 mAttribs[idx].normalized,
79 (void*)mAttribs[idx].offset);
80 }
81
setup(const Context * rsc) const82 void RsdVertexArray::setup(const Context *rsc) const {
83
84 RsdHal *dc = (RsdHal *)rsc->mHal.drv;
85 RsdVertexArrayState *state = dc->gl.vertexArrayState;
86 RsdShaderCache *sc = dc->gl.shaderCache;
87
88 rsdGLCheckError(rsc, "RsdVertexArray::setup start");
89 uint32_t maxAttrs = state->mAttrsEnabledSize;
90
91 for (uint32_t ct=1; ct < maxAttrs; ct++) {
92 if(state->mAttrsEnabled[ct]) {
93 glDisableVertexAttribArray(ct);
94 state->mAttrsEnabled[ct] = false;
95 }
96 }
97
98 rsdGLCheckError(rsc, "RsdVertexArray::setup disabled");
99 for (uint32_t ct=0; ct < mCount; ct++) {
100 int32_t slot = sc->vtxAttribSlot(mAttribs[ct].name);
101 if (rsc->props.mLogShadersAttr) {
102 logAttrib(ct, slot);
103 }
104 if (slot < 0 || slot >= (int32_t)maxAttrs) {
105 continue;
106 }
107 glEnableVertexAttribArray(slot);
108 state->mAttrsEnabled[slot] = true;
109 glBindBuffer(GL_ARRAY_BUFFER, mAttribs[ct].buffer);
110 glVertexAttribPointer(slot,
111 mAttribs[ct].size,
112 mAttribs[ct].type,
113 mAttribs[ct].normalized,
114 mAttribs[ct].stride,
115 mAttribs[ct].ptr + mAttribs[ct].offset);
116 }
117 rsdGLCheckError(rsc, "RsdVertexArray::setup done");
118 }
119 ////////////////////////////////////////////
RsdVertexArrayState()120 RsdVertexArrayState::RsdVertexArrayState() {
121 mAttrsEnabled = nullptr;
122 mAttrsEnabledSize = 0;
123 }
124
~RsdVertexArrayState()125 RsdVertexArrayState::~RsdVertexArrayState() {
126 if (mAttrsEnabled) {
127 delete[] mAttrsEnabled;
128 mAttrsEnabled = nullptr;
129 }
130 }
init(uint32_t maxAttrs)131 void RsdVertexArrayState::init(uint32_t maxAttrs) {
132 mAttrsEnabledSize = maxAttrs;
133 mAttrsEnabled = new bool[mAttrsEnabledSize];
134 for (uint32_t ct = 0; ct < mAttrsEnabledSize; ct++) {
135 mAttrsEnabled[ct] = false;
136 }
137 }
138
139