1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
|
/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_RS_BUILD_FOR_HOST
#include "rsContext.h"
#include <GLES/gl.h>
#include <GLES/glext.h>
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#else
#include "rsContextHostStub.h"
#include <OpenGL/gl.h>
#include <OpenGL/glext.h>
#endif //ANDROID_RS_BUILD_FOR_HOST
#include "rsProgramFragment.h"
using namespace android;
using namespace android::renderscript;
ProgramFragment::ProgramFragment(Context *rsc, const char * shaderText,
uint32_t shaderLength, const uint32_t * params,
uint32_t paramLength)
: Program(rsc, shaderText, shaderLength, params, paramLength) {
mConstantColor[0] = 1.f;
mConstantColor[1] = 1.f;
mConstantColor[2] = 1.f;
mConstantColor[3] = 1.f;
init(rsc);
}
ProgramFragment::~ProgramFragment() {
if (mShaderID) {
mRSC->mShaderCache.cleanupFragment(mShaderID);
}
}
void ProgramFragment::setConstantColor(Context *rsc, float r, float g, float b, float a) {
if (isUserProgram()) {
LOGE("Attempting to set fixed function emulation color on user program");
rsc->setError(RS_ERROR_BAD_SHADER, "Cannot set fixed function emulation color on user program");
return;
}
if (mConstants[0].get() == NULL) {
LOGE("Unable to set fixed function emulation color because allocation is missing");
rsc->setError(RS_ERROR_BAD_SHADER, "Unable to set fixed function emulation color because allocation is missing");
return;
}
mConstantColor[0] = r;
mConstantColor[1] = g;
mConstantColor[2] = b;
mConstantColor[3] = a;
memcpy(mConstants[0]->getPtr(), mConstantColor, 4*sizeof(float));
mDirty = true;
}
void ProgramFragment::setupGL2(Context *rsc, ProgramFragmentState *state, ShaderCache *sc) {
//LOGE("sgl2 frag1 %x", glGetError());
if ((state->mLast.get() == this) && !mDirty) {
return;
}
state->mLast.set(this);
rsc->checkError("ProgramFragment::setupGL2 start");
rsc->checkError("ProgramFragment::setupGL2 begin uniforms");
setupUserConstants(rsc, sc, true);
uint32_t numTexturesToBind = mTextureCount;
uint32_t numTexturesAvailable = rsc->getMaxFragmentTextures();
if (numTexturesToBind >= numTexturesAvailable) {
LOGE("Attempting to bind %u textures on shader id %u, but only %u are available",
mTextureCount, (uint32_t)this, numTexturesAvailable);
rsc->setError(RS_ERROR_BAD_SHADER, "Cannot bind more textuers than available");
numTexturesToBind = numTexturesAvailable;
}
for (uint32_t ct=0; ct < numTexturesToBind; ct++) {
glActiveTexture(GL_TEXTURE0 + ct);
if (!mTextures[ct].get()) {
LOGE("No texture bound for shader id %u, texture unit %u", (uint)this, ct);
rsc->setError(RS_ERROR_BAD_SHADER, "No texture bound");
continue;
}
mTextures[ct]->uploadCheck(rsc);
GLenum target = (GLenum)mTextures[ct]->getGLTarget();
if (target != GL_TEXTURE_2D && target != GL_TEXTURE_CUBE_MAP) {
LOGE("Attempting to bind unknown texture to shader id %u, texture unit %u", (uint)this, ct);
rsc->setError(RS_ERROR_BAD_SHADER, "Non-texture allocation bound to a shader");
}
glBindTexture(target, mTextures[ct]->getTextureID());
rsc->checkError("ProgramFragment::setupGL2 tex bind");
if (mSamplers[ct].get()) {
mSamplers[ct]->setupGL(rsc, mTextures[ct].get());
} else {
glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
rsc->checkError("ProgramFragment::setupGL2 tex env");
}
glUniform1i(sc->fragUniformSlot(mTextureUniformIndexStart + ct), ct);
rsc->checkError("ProgramFragment::setupGL2 uniforms");
}
glActiveTexture(GL_TEXTURE0);
mDirty = false;
rsc->checkError("ProgramFragment::setupGL2");
}
void ProgramFragment::loadShader(Context *rsc) {
Program::loadShader(rsc, GL_FRAGMENT_SHADER);
}
void ProgramFragment::createShader() {
if (mUserShader.length() > 1) {
mShader.append("precision mediump float;\n");
appendUserConstants();
char buf[256];
for (uint32_t ct=0; ct < mTextureCount; ct++) {
if (mTextureTargets[ct] == RS_TEXTURE_2D) {
sprintf(buf, "uniform sampler2D UNI_Tex%i;\n", ct);
} else {
sprintf(buf, "uniform samplerCube UNI_Tex%i;\n", ct);
}
mShader.append(buf);
}
mShader.append(mUserShader);
} else {
LOGE("ProgramFragment::createShader cannot create program, shader code not defined");
rsAssert(0);
}
}
void ProgramFragment::init(Context *rsc) {
uint32_t uniformIndex = 0;
if (mUserShader.size() > 0) {
for (uint32_t ct=0; ct < mConstantCount; ct++) {
initAddUserElement(mConstantTypes[ct]->getElement(), mUniformNames, mUniformArraySizes, &uniformIndex, RS_SHADER_UNI);
}
}
mTextureUniformIndexStart = uniformIndex;
char buf[256];
for (uint32_t ct=0; ct < mTextureCount; ct++) {
sprintf(buf, "UNI_Tex%i", ct);
mUniformNames[uniformIndex].setTo(buf);
mUniformArraySizes[uniformIndex] = 1;
uniformIndex++;
}
createShader();
}
void ProgramFragment::serialize(OStream *stream) const {
}
ProgramFragment *ProgramFragment::createFromStream(Context *rsc, IStream *stream) {
return NULL;
}
ProgramFragmentState::ProgramFragmentState() {
mPF = NULL;
}
ProgramFragmentState::~ProgramFragmentState() {
ObjectBase::checkDelete(mPF);
mPF = NULL;
}
void ProgramFragmentState::init(Context *rsc) {
String8 shaderString(RS_SHADER_INTERNAL);
shaderString.append("varying lowp vec4 varColor;\n");
shaderString.append("varying vec2 varTex0;\n");
shaderString.append("void main() {\n");
shaderString.append(" lowp vec4 col = UNI_Color;\n");
shaderString.append(" gl_FragColor = col;\n");
shaderString.append("}\n");
const Element *colorElem = Element::create(rsc, RS_TYPE_FLOAT_32, RS_KIND_USER, false, 4);
rsc->mStateElement.elementBuilderBegin();
rsc->mStateElement.elementBuilderAdd(colorElem, "Color", 1);
const Element *constInput = rsc->mStateElement.elementBuilderCreate(rsc);
Type *inputType = Type::getType(rsc, constInput, 1, 0, 0, false, false);
uint32_t tmp[2];
tmp[0] = RS_PROGRAM_PARAM_CONSTANT;
tmp[1] = (uint32_t)inputType;
Allocation *constAlloc = new Allocation(rsc, inputType);
ProgramFragment *pf = new ProgramFragment(rsc, shaderString.string(),
shaderString.length(), tmp, 2);
pf->bindAllocation(rsc, constAlloc, 0);
pf->setConstantColor(rsc, 1.0f, 1.0f, 1.0f, 1.0f);
mDefault.set(pf);
}
void ProgramFragmentState::deinit(Context *rsc) {
mDefault.clear();
mLast.clear();
}
namespace android {
namespace renderscript {
RsProgramFragment rsi_ProgramFragmentCreate(Context *rsc, const char * shaderText,
uint32_t shaderLength, const uint32_t * params,
uint32_t paramLength) {
ProgramFragment *pf = new ProgramFragment(rsc, shaderText, shaderLength, params, paramLength);
pf->incUserRef();
//LOGE("rsi_ProgramFragmentCreate %p", pf);
return pf;
}
}
}
|
