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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "GrBitmapTextContext.h" | 8 #include "GrBitmapTextContext.h" |
9 #include "GrAtlas.h" | 9 #include "GrAtlas.h" |
10 #include "GrDrawTarget.h" | 10 #include "GrDrawTarget.h" |
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27 #include "SkGr.h" | 27 #include "SkGr.h" |
28 #include "SkTextMapStateProc.h" | 28 #include "SkTextMapStateProc.h" |
29 | 29 |
30 SK_CONF_DECLARE(bool, c_DumpFontCache, "gpu.dumpFontCache", false, | 30 SK_CONF_DECLARE(bool, c_DumpFontCache, "gpu.dumpFontCache", false, |
31 "Dump the contents of the font cache before every purge."); | 31 "Dump the contents of the font cache before every purge."); |
32 | 32 |
33 namespace { | 33 namespace { |
34 // position + texture coord | 34 // position + texture coord |
35 extern const GrVertexAttrib gTextVertexAttribs[] = { | 35 extern const GrVertexAttrib gTextVertexAttribs[] = { |
36 {kVec2f_GrVertexAttribType, 0, kPosition_GrVertexAttribBinding
}, | 36 {kVec2f_GrVertexAttribType, 0, kPosition_GrVertexAttribBinding
}, |
37 {kVec2f_GrVertexAttribType, sizeof(SkPoint) , kEffect_GrVertexAttribBinding} | 37 {kVec2f_GrVertexAttribType, sizeof(SkPoint), kGeometryProcessor_GrVertexAttr
ibBinding} |
38 }; | 38 }; |
39 | 39 |
40 static const size_t kTextVASize = 2 * sizeof(SkPoint); | 40 static const size_t kTextVASize = 2 * sizeof(SkPoint); |
41 | 41 |
42 // position + color + texture coord | 42 // position + color + texture coord |
43 extern const GrVertexAttrib gTextVertexWithColorAttribs[] = { | 43 extern const GrVertexAttrib gTextVertexWithColorAttribs[] = { |
44 {kVec2f_GrVertexAttribType, 0, kPosition_Gr
VertexAttribBinding}, | 44 {kVec2f_GrVertexAttribType, 0, kPosition_Gr
VertexAttribBinding}, |
45 {kVec4ub_GrVertexAttribType, sizeof(SkPoint), kColor_GrVer
texAttribBinding}, | 45 {kVec4ub_GrVertexAttribType, sizeof(SkPoint), kColor_GrVer
texAttribBinding}, |
46 {kVec2f_GrVertexAttribType, sizeof(SkPoint) + sizeof(GrColor), kEffect_GrVe
rtexAttribBinding} | 46 {kVec2f_GrVertexAttribType, sizeof(SkPoint) + sizeof(GrColor), kGeometryPro
cessor_GrVertexAttribBinding} |
47 }; | 47 }; |
48 | 48 |
49 static const size_t kTextVAColorSize = 2 * sizeof(SkPoint) + sizeof(GrColor); | 49 static const size_t kTextVAColorSize = 2 * sizeof(SkPoint) + sizeof(GrColor); |
50 | 50 |
51 }; | 51 }; |
52 | 52 |
53 GrBitmapTextContext::GrBitmapTextContext(GrContext* context, | 53 GrBitmapTextContext::GrBitmapTextContext(GrContext* context, |
54 const SkDeviceProperties& properties) | 54 const SkDeviceProperties& properties) |
55 : GrTextContext(context, properties) { | 55 : GrTextContext(context, properties) { |
56 fStrike = NULL; | 56 fStrike = NULL; |
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91 | 91 |
92 if (fCurrVertex > 0) { | 92 if (fCurrVertex > 0) { |
93 // setup our sampler state for our text texture/atlas | 93 // setup our sampler state for our text texture/atlas |
94 SkASSERT(SkIsAlign4(fCurrVertex)); | 94 SkASSERT(SkIsAlign4(fCurrVertex)); |
95 SkASSERT(fCurrTexture); | 95 SkASSERT(fCurrTexture); |
96 GrTextureParams params(SkShader::kRepeat_TileMode, GrTextureParams::kNon
e_FilterMode); | 96 GrTextureParams params(SkShader::kRepeat_TileMode, GrTextureParams::kNon
e_FilterMode); |
97 | 97 |
98 uint32_t textureUniqueID = fCurrTexture->getUniqueID(); | 98 uint32_t textureUniqueID = fCurrTexture->getUniqueID(); |
99 | 99 |
100 if (textureUniqueID != fEffectTextureUniqueID) { | 100 if (textureUniqueID != fEffectTextureUniqueID) { |
101 fCachedEffect.reset(GrCustomCoordsTextureEffect::Create(fCurrTexture
, params)); | 101 fCachedGeometryProcessor.reset(GrCustomCoordsTextureEffect::Create(f
CurrTexture, |
| 102 p
arams)); |
102 fEffectTextureUniqueID = textureUniqueID; | 103 fEffectTextureUniqueID = textureUniqueID; |
103 } | 104 } |
104 | 105 |
105 // This effect could be stored with one of the cache objects (atlas?) | 106 // This effect could be stored with one of the cache objects (atlas?) |
106 drawState->setGeometryProcessor(fCachedEffect.get()); | 107 drawState->setGeometryProcessor(fCachedGeometryProcessor.get()); |
107 SkASSERT(fStrike); | 108 SkASSERT(fStrike); |
108 switch (fStrike->getMaskFormat()) { | 109 switch (fStrike->getMaskFormat()) { |
109 // Color bitmap text | 110 // Color bitmap text |
110 case kARGB_GrMaskFormat: | 111 case kARGB_GrMaskFormat: |
111 SkASSERT(!drawState->hasColorVertexAttribute()); | 112 SkASSERT(!drawState->hasColorVertexAttribute()); |
112 drawState->setBlendFunc(fPaint.getSrcBlendCoeff(), fPaint.getDst
BlendCoeff()); | 113 drawState->setBlendFunc(fPaint.getSrcBlendCoeff(), fPaint.getDst
BlendCoeff()); |
113 drawState->setColor(0xffffffff); | 114 drawState->setColor(0xffffffff); |
114 break; | 115 break; |
115 // LCD text | 116 // LCD text |
116 case kA888_GrMaskFormat: | 117 case kA888_GrMaskFormat: |
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596 } | 597 } |
597 // color comes after position. | 598 // color comes after position. |
598 GrColor* colors = reinterpret_cast<GrColor*>(positions + 1); | 599 GrColor* colors = reinterpret_cast<GrColor*>(positions + 1); |
599 for (int i = 0; i < 4; ++i) { | 600 for (int i = 0; i < 4; ++i) { |
600 *colors = fPaint.getColor(); | 601 *colors = fPaint.getColor(); |
601 colors = reinterpret_cast<GrColor*>(reinterpret_cast<intptr_t>(colors
) + vertSize); | 602 colors = reinterpret_cast<GrColor*>(reinterpret_cast<intptr_t>(colors
) + vertSize); |
602 } | 603 } |
603 } | 604 } |
604 fCurrVertex += 4; | 605 fCurrVertex += 4; |
605 } | 606 } |
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