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
236
237
238
239
240
241
242
243
244
|
/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrGLProgram.h"
#include "GrAllocator.h"
#include "GrProcessor.h"
#include "GrCoordTransform.h"
#include "GrGLGeometryProcessor.h"
#include "GrGLProcessor.h"
#include "GrGLXferProcessor.h"
#include "GrGLGpu.h"
#include "GrGLPathRendering.h"
#include "GrGLShaderVar.h"
#include "GrGLSL.h"
#include "GrOptDrawState.h"
#include "GrXferProcessor.h"
#include "SkXfermode.h"
#define GL_CALL(X) GR_GL_CALL(fGpu->glInterface(), X)
#define GL_CALL_RET(R, X) GR_GL_CALL_RET(fGpu->glInterface(), R, X)
///////////////////////////////////////////////////////////////////////////////////////////////////
GrGLProgram::GrGLProgram(GrGLGpu* gpu,
const GrProgramDesc& desc,
const BuiltinUniformHandles& builtinUniforms,
GrGLuint programID,
const UniformInfoArray& uniforms,
GrGLInstalledGeoProc* geometryProcessor,
GrGLInstalledXferProc* xferProcessor,
GrGLInstalledFragProcs* fragmentProcessors)
: fColor(GrColor_ILLEGAL)
, fCoverage(0)
, fDstCopyTexUnit(-1)
, fBuiltinUniformHandles(builtinUniforms)
, fProgramID(programID)
, fGeometryProcessor(geometryProcessor)
, fXferProcessor(xferProcessor)
, fFragmentProcessors(SkRef(fragmentProcessors))
, fDesc(desc)
, fGpu(gpu)
, fProgramDataManager(gpu, uniforms) {
this->initSamplerUniforms();
}
GrGLProgram::~GrGLProgram() {
if (fProgramID) {
GL_CALL(DeleteProgram(fProgramID));
}
}
void GrGLProgram::abandon() {
fProgramID = 0;
}
void GrGLProgram::initSamplerUniforms() {
GL_CALL(UseProgram(fProgramID));
GrGLint texUnitIdx = 0;
if (fBuiltinUniformHandles.fDstCopySamplerUni.isValid()) {
fProgramDataManager.setSampler(fBuiltinUniformHandles.fDstCopySamplerUni, texUnitIdx);
fDstCopyTexUnit = texUnitIdx++;
}
this->initSamplers(fGeometryProcessor.get(), &texUnitIdx);
if (fXferProcessor.get()) {
this->initSamplers(fXferProcessor.get(), &texUnitIdx);
}
int numProcs = fFragmentProcessors->fProcs.count();
for (int i = 0; i < numProcs; i++) {
this->initSamplers(fFragmentProcessors->fProcs[i], &texUnitIdx);
}
}
template <class Proc>
void GrGLProgram::initSamplers(Proc* ip, int* texUnitIdx) {
SkTArray<typename Proc::Sampler, true>& samplers = ip->fSamplers;
int numSamplers = samplers.count();
for (int s = 0; s < numSamplers; ++s) {
SkASSERT(samplers[s].fUniform.isValid());
fProgramDataManager.setSampler(samplers[s].fUniform, *texUnitIdx);
samplers[s].fTextureUnit = (*texUnitIdx)++;
}
}
template <class Proc>
void GrGLProgram::bindTextures(const Proc* ip, const GrProcessor& processor) {
const SkTArray<typename Proc::Sampler, true>& samplers = ip->fSamplers;
int numSamplers = samplers.count();
SkASSERT(numSamplers == processor.numTextures());
for (int s = 0; s < numSamplers; ++s) {
SkASSERT(samplers[s].fTextureUnit >= 0);
const GrTextureAccess& textureAccess = processor.textureAccess(s);
fGpu->bindTexture(samplers[s].fTextureUnit,
textureAccess.getParams(),
static_cast<GrGLTexture*>(textureAccess.getTexture()));
}
}
///////////////////////////////////////////////////////////////////////////////
void GrGLProgram::setData(const GrPrimitiveProcessor& primProc, const GrOptDrawState& optState,
const GrBatchTracker& batchTracker) {
this->setRenderTargetState(primProc, optState);
const GrDeviceCoordTexture* dstCopy = optState.getDstCopy();
if (dstCopy) {
if (fBuiltinUniformHandles.fDstCopyTopLeftUni.isValid()) {
fProgramDataManager.set2f(fBuiltinUniformHandles.fDstCopyTopLeftUni,
static_cast<GrGLfloat>(dstCopy->offset().fX),
static_cast<GrGLfloat>(dstCopy->offset().fY));
fProgramDataManager.set2f(fBuiltinUniformHandles.fDstCopyScaleUni,
1.f / dstCopy->texture()->width(),
1.f / dstCopy->texture()->height());
GrGLTexture* texture = static_cast<GrGLTexture*>(dstCopy->texture());
static GrTextureParams kParams; // the default is clamp, nearest filtering.
fGpu->bindTexture(fDstCopyTexUnit, kParams, texture);
} else {
SkASSERT(!fBuiltinUniformHandles.fDstCopyScaleUni.isValid());
SkASSERT(!fBuiltinUniformHandles.fDstCopySamplerUni.isValid());
}
} else {
SkASSERT(!fBuiltinUniformHandles.fDstCopyTopLeftUni.isValid());
SkASSERT(!fBuiltinUniformHandles.fDstCopyScaleUni.isValid());
SkASSERT(!fBuiltinUniformHandles.fDstCopySamplerUni.isValid());
}
// we set the textures, and uniforms for installed processors in a generic way, but subclasses
// of GLProgram determine how to set coord transforms
fGeometryProcessor->fGLProc->setData(fProgramDataManager, primProc, batchTracker);
this->bindTextures(fGeometryProcessor.get(), primProc);
if (fXferProcessor.get()) {
const GrXferProcessor& xp = *optState.getXferProcessor();
fXferProcessor->fGLProc->setData(fProgramDataManager, xp);
this->bindTextures(fXferProcessor.get(), xp);
}
this->setFragmentData(primProc, optState);
// Some of GrGLProgram subclasses need to update state here
this->didSetData(optState.drawType());
}
void GrGLProgram::setFragmentData(const GrPrimitiveProcessor& primProc,
const GrOptDrawState& optState) {
int numProcessors = fFragmentProcessors->fProcs.count();
for (int e = 0; e < numProcessors; ++e) {
const GrPendingFragmentStage& stage = optState.getFragmentStage(e);
const GrProcessor& processor = *stage.processor();
fFragmentProcessors->fProcs[e]->fGLProc->setData(fProgramDataManager, processor);
this->setTransformData(primProc,
stage,
e,
fFragmentProcessors->fProcs[e]);
this->bindTextures(fFragmentProcessors->fProcs[e], processor);
}
}
void GrGLProgram::setTransformData(const GrPrimitiveProcessor& primProc,
const GrPendingFragmentStage& processor,
int index,
GrGLInstalledFragProc* ip) {
GrGLGeometryProcessor* gp =
static_cast<GrGLGeometryProcessor*>(fGeometryProcessor.get()->fGLProc.get());
gp->setTransformData(primProc, fProgramDataManager, index,
processor.processor()->coordTransforms());
}
void GrGLProgram::didSetData(GrGpu::DrawType drawType) {
SkASSERT(!GrGpu::IsPathRenderingDrawType(drawType));
}
void GrGLProgram::setRenderTargetState(const GrPrimitiveProcessor& primProc,
const GrOptDrawState& optState) {
// Load the RT height uniform if it is needed to y-flip gl_FragCoord.
if (fBuiltinUniformHandles.fRTHeightUni.isValid() &&
fRenderTargetState.fRenderTargetSize.fHeight != optState.getRenderTarget()->height()) {
fProgramDataManager.set1f(fBuiltinUniformHandles.fRTHeightUni,
SkIntToScalar(optState.getRenderTarget()->height()));
}
// call subclasses to set the actual view matrix
this->onSetRenderTargetState(primProc, optState);
}
void GrGLProgram::onSetRenderTargetState(const GrPrimitiveProcessor&,
const GrOptDrawState& optState) {
const GrRenderTarget* rt = optState.getRenderTarget();
SkISize size;
size.set(rt->width(), rt->height());
if (fRenderTargetState.fRenderTargetOrigin != rt->origin() ||
fRenderTargetState.fRenderTargetSize != size) {
fRenderTargetState.fRenderTargetSize = size;
fRenderTargetState.fRenderTargetOrigin = rt->origin();
GrGLfloat rtAdjustmentVec[4];
fRenderTargetState.getRTAdjustmentVec(rtAdjustmentVec);
fProgramDataManager.set4fv(fBuiltinUniformHandles.fRTAdjustmentUni, 1, rtAdjustmentVec);
}
}
/////////////////////////////////////////////////////////////////////////////////////////
GrGLNvprProgram::GrGLNvprProgram(GrGLGpu* gpu,
const GrProgramDesc& desc,
const BuiltinUniformHandles& builtinUniforms,
GrGLuint programID,
const UniformInfoArray& uniforms,
GrGLInstalledGeoProc* primProc,
GrGLInstalledXferProc* xferProcessor,
GrGLInstalledFragProcs* fragmentProcessors)
: INHERITED(gpu, desc, builtinUniforms, programID, uniforms, primProc,
xferProcessor, fragmentProcessors) {
}
void GrGLNvprProgram::didSetData(GrGpu::DrawType drawType) {
SkASSERT(GrGpu::IsPathRenderingDrawType(drawType));
GrGLPathProcessor* pathProc =
static_cast<GrGLPathProcessor*>(fGeometryProcessor.get()->fGLProc.get());
pathProc->didSetData(fGpu->glPathRendering());
}
void GrGLNvprProgram::setTransformData(const GrPrimitiveProcessor& primProc,
const GrPendingFragmentStage& proc,
int index,
GrGLInstalledFragProc* ip) {
GrGLPathProcessor* pathProc =
static_cast<GrGLPathProcessor*>(fGeometryProcessor.get()->fGLProc.get());
pathProc->setTransformData(primProc, index, proc.processor()->coordTransforms(),
fGpu->glPathRendering(), fProgramID);
}
void GrGLNvprProgram::onSetRenderTargetState(const GrPrimitiveProcessor& primProc,
const GrOptDrawState& optState) {
SkASSERT(GrGpu::IsPathRenderingDrawType(optState.drawType()) &&
!primProc.willUseGeoShader() && primProc.numAttribs() == 0);
const GrRenderTarget* rt = optState.getRenderTarget();
SkISize size;
size.set(rt->width(), rt->height());
fGpu->glPathRendering()->setProjectionMatrix(primProc.viewMatrix(),
size, rt->origin());
}
|
