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
|
/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrCaps.h"
#include "GrContextOptions.h"
#include "GrWindowRectangles.h"
static const char* pixel_config_name(GrPixelConfig config) {
switch (config) {
case kUnknown_GrPixelConfig: return "Unknown";
case kAlpha_8_GrPixelConfig: return "Alpha8";
case kGray_8_GrPixelConfig: return "Gray8";
case kRGB_565_GrPixelConfig: return "RGB565";
case kRGBA_4444_GrPixelConfig: return "RGBA444";
case kRGBA_8888_GrPixelConfig: return "RGBA8888";
case kBGRA_8888_GrPixelConfig: return "BGRA8888";
case kSRGBA_8888_GrPixelConfig: return "SRGBA8888";
case kSBGRA_8888_GrPixelConfig: return "SBGRA8888";
case kRGBA_8888_sint_GrPixelConfig: return "RGBA8888_sint";
case kRGBA_float_GrPixelConfig: return "RGBAFloat";
case kRG_float_GrPixelConfig: return "RGFloat";
case kAlpha_half_GrPixelConfig: return "AlphaHalf";
case kRGBA_half_GrPixelConfig: return "RGBAHalf";
}
SkFAIL("Invalid pixel config");
return "<invalid>";
}
GrCaps::GrCaps(const GrContextOptions& options) {
fMipMapSupport = false;
fNPOTTextureTileSupport = false;
fSRGBSupport = false;
fSRGBWriteControl = false;
fDiscardRenderTargetSupport = false;
fReuseScratchTextures = true;
fReuseScratchBuffers = true;
fGpuTracingSupport = false;
fOversizedStencilSupport = false;
fTextureBarrierSupport = false;
fSampleLocationsSupport = false;
fMultisampleDisableSupport = false;
fInstanceAttribSupport = false;
fUsesMixedSamples = false;
fPreferClientSideDynamicBuffers = false;
fFullClearIsFree = false;
fMustClearUploadedBufferData = false;
fSampleShadingSupport = false;
fFenceSyncSupport = false;
fCrossContextTextureSupport = false;
fUseDrawInsteadOfClear = false;
fInstancedSupport = InstancedSupport::kNone;
fBlendEquationSupport = kBasic_BlendEquationSupport;
fAdvBlendEqBlacklist = 0;
fMapBufferFlags = kNone_MapFlags;
fMaxVertexAttributes = 0;
fMaxRenderTargetSize = 1;
fMaxTextureSize = 1;
fMaxColorSampleCount = 0;
fMaxStencilSampleCount = 0;
fMaxRasterSamples = 0;
fMaxWindowRectangles = 0;
fSuppressPrints = options.fSuppressPrints;
fWireframeMode = options.fWireframeMode;
fBufferMapThreshold = options.fBufferMapThreshold;
fAvoidInstancedDrawsToFPTargets = false;
fAvoidStencilBuffers = false;
fPreferVRAMUseOverFlushes = true;
}
void GrCaps::applyOptionsOverrides(const GrContextOptions& options) {
this->onApplyOptionsOverrides(options);
fMaxTextureSize = SkTMin(fMaxTextureSize, options.fMaxTextureSizeOverride);
// If the max tile override is zero, it means we should use the max texture size.
if (!options.fMaxTileSizeOverride || options.fMaxTileSizeOverride > fMaxTextureSize) {
fMaxTileSize = fMaxTextureSize;
} else {
fMaxTileSize = options.fMaxTileSizeOverride;
}
if (fMaxWindowRectangles > GrWindowRectangles::kMaxWindows) {
SkDebugf("WARNING: capping window rectangles at %i. HW advertises support for %i.\n",
GrWindowRectangles::kMaxWindows, fMaxWindowRectangles);
fMaxWindowRectangles = GrWindowRectangles::kMaxWindows;
}
fAvoidStencilBuffers = options.fAvoidStencilBuffers;
}
static SkString map_flags_to_string(uint32_t flags) {
SkString str;
if (GrCaps::kNone_MapFlags == flags) {
str = "none";
} else {
SkASSERT(GrCaps::kCanMap_MapFlag & flags);
SkDEBUGCODE(flags &= ~GrCaps::kCanMap_MapFlag);
str = "can_map";
if (GrCaps::kSubset_MapFlag & flags) {
str.append(" partial");
} else {
str.append(" full");
}
SkDEBUGCODE(flags &= ~GrCaps::kSubset_MapFlag);
}
SkASSERT(0 == flags); // Make sure we handled all the flags.
return str;
}
SkString GrCaps::dump() const {
SkString r;
static const char* gNY[] = {"NO", "YES"};
r.appendf("MIP Map Support : %s\n", gNY[fMipMapSupport]);
r.appendf("NPOT Texture Tile Support : %s\n", gNY[fNPOTTextureTileSupport]);
r.appendf("sRGB Support : %s\n", gNY[fSRGBSupport]);
r.appendf("sRGB Write Control : %s\n", gNY[fSRGBWriteControl]);
r.appendf("Discard Render Target Support : %s\n", gNY[fDiscardRenderTargetSupport]);
r.appendf("Reuse Scratch Textures : %s\n", gNY[fReuseScratchTextures]);
r.appendf("Reuse Scratch Buffers : %s\n", gNY[fReuseScratchBuffers]);
r.appendf("Gpu Tracing Support : %s\n", gNY[fGpuTracingSupport]);
r.appendf("Oversized Stencil Support : %s\n", gNY[fOversizedStencilSupport]);
r.appendf("Texture Barrier Support : %s\n", gNY[fTextureBarrierSupport]);
r.appendf("Sample Locations Support : %s\n", gNY[fSampleLocationsSupport]);
r.appendf("Multisample disable support : %s\n", gNY[fMultisampleDisableSupport]);
r.appendf("Instance Attrib Support : %s\n", gNY[fInstanceAttribSupport]);
r.appendf("Uses Mixed Samples : %s\n", gNY[fUsesMixedSamples]);
r.appendf("Prefer client-side dynamic buffers : %s\n", gNY[fPreferClientSideDynamicBuffers]);
r.appendf("Full screen clear is free : %s\n", gNY[fFullClearIsFree]);
r.appendf("Must clear buffer memory : %s\n", gNY[fMustClearUploadedBufferData]);
r.appendf("Sample shading support : %s\n", gNY[fSampleShadingSupport]);
r.appendf("Fence sync support : %s\n", gNY[fFenceSyncSupport]);
r.appendf("Cross context texture support : %s\n", gNY[fCrossContextTextureSupport]);
r.appendf("Draw Instead of Clear [workaround] : %s\n", gNY[fUseDrawInsteadOfClear]);
r.appendf("Prefer VRAM Use over flushes [workaround] : %s\n", gNY[fPreferVRAMUseOverFlushes]);
if (this->advancedBlendEquationSupport()) {
r.appendf("Advanced Blend Equation Blacklist : 0x%x\n", fAdvBlendEqBlacklist);
}
r.appendf("Max Vertex Attributes : %d\n", fMaxVertexAttributes);
r.appendf("Max Texture Size : %d\n", fMaxTextureSize);
r.appendf("Max Render Target Size : %d\n", fMaxRenderTargetSize);
r.appendf("Max Color Sample Count : %d\n", fMaxColorSampleCount);
r.appendf("Max Stencil Sample Count : %d\n", fMaxStencilSampleCount);
r.appendf("Max Raster Samples : %d\n", fMaxRasterSamples);
r.appendf("Max Window Rectangles : %d\n", fMaxWindowRectangles);
static const char* kInstancedSupportNames[] = {
"None",
"Basic",
"Multisampled",
"Mixed Sampled",
};
GR_STATIC_ASSERT(0 == (int)InstancedSupport::kNone);
GR_STATIC_ASSERT(1 == (int)InstancedSupport::kBasic);
GR_STATIC_ASSERT(2 == (int)InstancedSupport::kMultisampled);
GR_STATIC_ASSERT(3 == (int)InstancedSupport::kMixedSampled);
GR_STATIC_ASSERT(4 == SK_ARRAY_COUNT(kInstancedSupportNames));
r.appendf("Instanced Support : %s\n",
kInstancedSupportNames[(int)fInstancedSupport]);
static const char* kBlendEquationSupportNames[] = {
"Basic",
"Advanced",
"Advanced Coherent",
};
GR_STATIC_ASSERT(0 == kBasic_BlendEquationSupport);
GR_STATIC_ASSERT(1 == kAdvanced_BlendEquationSupport);
GR_STATIC_ASSERT(2 == kAdvancedCoherent_BlendEquationSupport);
GR_STATIC_ASSERT(SK_ARRAY_COUNT(kBlendEquationSupportNames) == kLast_BlendEquationSupport + 1);
r.appendf("Blend Equation Support : %s\n",
kBlendEquationSupportNames[fBlendEquationSupport]);
r.appendf("Map Buffer Support : %s\n",
map_flags_to_string(fMapBufferFlags).c_str());
SkASSERT(!this->isConfigRenderable(kUnknown_GrPixelConfig, false));
SkASSERT(!this->isConfigRenderable(kUnknown_GrPixelConfig, true));
for (size_t i = 1; i < kGrPixelConfigCnt; ++i) {
GrPixelConfig config = static_cast<GrPixelConfig>(i);
r.appendf("%s is renderable: %s, with MSAA: %s\n",
pixel_config_name(config),
gNY[this->isConfigRenderable(config, false)],
gNY[this->isConfigRenderable(config, true)]);
}
SkASSERT(!this->isConfigTexturable(kUnknown_GrPixelConfig));
for (size_t i = 1; i < kGrPixelConfigCnt; ++i) {
GrPixelConfig config = static_cast<GrPixelConfig>(i);
r.appendf("%s is uploadable to a texture: %s\n",
pixel_config_name(config),
gNY[this->isConfigTexturable(config)]);
}
return r;
}
|
