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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 "GrGLContext.h" | 8 #include "GrGLContext.h" |
9 | 9 |
10 //////////////////////////////////////////////////////////////////////////////// | 10 //////////////////////////////////////////////////////////////////////////////// |
11 | 11 |
12 GrGLContextInfo& GrGLContextInfo::operator= (const GrGLContextInfo& that) { | 12 GrGLContext* GrGLContext::Create(const GrGLInterface* interface) { |
13 fInterface.reset(SkSafeRef(that.fInterface.get())); | 13 // We haven't validated the GrGLInterface yet, so check for GetString functi
on pointer |
14 fGLVersion = that.fGLVersion; | 14 if (!interface->fFunctions.fGetString) { |
15 fGLSLGeneration = that.fGLSLGeneration; | 15 return NULL; |
16 fVendor = that.fVendor; | 16 } |
17 fRenderer = that.fRenderer; | 17 ConstructorArgs args; |
18 fIsMesa = that.fIsMesa; | 18 args.fInterface = interface; |
19 fIsChromium = that.fIsChromium; | 19 |
20 *fGLCaps = *that.fGLCaps.get(); | 20 const GrGLubyte* verUByte; |
21 return *this; | 21 GR_GL_CALL_RET(interface, verUByte, GetString(GR_GL_VERSION)); |
| 22 const char* ver = reinterpret_cast<const char*>(verUByte); |
| 23 |
| 24 const GrGLubyte* rendererUByte; |
| 25 GR_GL_CALL_RET(interface, rendererUByte, GetString(GR_GL_RENDERER)); |
| 26 const char* renderer = reinterpret_cast<const char*>(rendererUByte); |
| 27 |
| 28 if (!interface->validate()) { |
| 29 return NULL; |
| 30 } |
| 31 |
| 32 args.fGLVersion = GrGLGetVersionFromString(ver); |
| 33 if (GR_GL_INVALID_VER == args.fGLVersion) { |
| 34 return NULL; |
| 35 } |
| 36 |
| 37 if (!GrGetGLSLGeneration(interface, &args.fGLSLGeneration)) { |
| 38 return NULL; |
| 39 } |
| 40 |
| 41 args.fVendor = GrGLGetVendor(interface); |
| 42 |
| 43 /* |
| 44 * Qualcomm drivers have a horrendous bug with some drivers. Though they cla
im to |
| 45 * support GLES 3.00, some perfectly valid GLSL300 shaders will only compile
with |
| 46 * #version 100, and will fail to compile with #version 300 es. In the long
term, we |
| 47 * need to lock this down to a specific driver version. |
| 48 */ |
| 49 if (kQualcomm_GrGLVendor == args.fVendor) { |
| 50 args.fGLSLGeneration = k110_GrGLSLGeneration; |
| 51 } |
| 52 |
| 53 args.fRenderer = GrGLGetRendererFromString(renderer); |
| 54 |
| 55 args.fIsMesa = GrGLIsMesaFromVersionString(ver); |
| 56 |
| 57 args.fIsChromium = GrGLIsChromiumFromRendererString(renderer); |
| 58 return SkNEW_ARGS(GrGLContext, (args)); |
22 } | 59 } |
23 | 60 |
24 bool GrGLContextInfo::initialize(const GrGLInterface* interface) { | 61 GrGLContextInfo::GrGLContextInfo(const ConstructorArgs& args) { |
25 this->reset(); | 62 fInterface.reset(SkRef(args.fInterface)); |
26 // We haven't validated the GrGLInterface yet, so check for GetString | 63 fGLVersion = args.fGLVersion; |
27 // function pointer | 64 fGLSLGeneration = args.fGLSLGeneration; |
28 if (interface->fFunctions.fGetString) { | 65 fVendor = args.fVendor; |
29 const GrGLubyte* verUByte; | 66 fRenderer = args.fRenderer; |
30 GR_GL_CALL_RET(interface, verUByte, GetString(GR_GL_VERSION)); | 67 fIsMesa = args.fIsMesa; |
31 const char* ver = reinterpret_cast<const char*>(verUByte); | 68 fIsChromium = args.fIsChromium; |
32 | 69 |
33 const GrGLubyte* rendererUByte; | 70 fGLCaps.reset(SkNEW_ARGS(GrGLCaps, (*this, fInterface))); |
34 GR_GL_CALL_RET(interface, rendererUByte, GetString(GR_GL_RENDERER)); | |
35 const char* renderer = reinterpret_cast<const char*>(rendererUByte); | |
36 | |
37 if (interface->validate()) { | |
38 | |
39 fGLVersion = GrGLGetVersionFromString(ver); | |
40 if (GR_GL_INVALID_VER == fGLVersion) { | |
41 return false; | |
42 } | |
43 | |
44 if (!GrGetGLSLGeneration(interface, &fGLSLGeneration)) { | |
45 return false; | |
46 } | |
47 | |
48 fVendor = GrGLGetVendor(interface); | |
49 | |
50 /* | |
51 * Qualcomm drivers have a horrendous bug with some drivers. Though
they claim to | |
52 * support GLES 3.00, some perfectly valid GLSL300 shaders will only
compile with | |
53 * #version 100, and will fail to compile with #version 300 es. In
the long term, we | |
54 * need to lock this down to a specific driver version. | |
55 */ | |
56 if (kQualcomm_GrGLVendor == fVendor) { | |
57 fGLSLGeneration = k110_GrGLSLGeneration; | |
58 } | |
59 | |
60 fRenderer = GrGLGetRendererFromString(renderer); | |
61 | |
62 fIsMesa = GrGLIsMesaFromVersionString(ver); | |
63 | |
64 fIsChromium = GrGLIsChromiumFromRendererString(renderer); | |
65 | |
66 // This must occur before caps init. | |
67 fInterface.reset(SkRef(interface)); | |
68 | |
69 return fGLCaps->init(*this, interface); | |
70 } | |
71 } | |
72 return false; | |
73 } | 71 } |
74 | |
75 bool GrGLContextInfo::isInitialized() const { return SkToBool(fInterface.get());
} | |
76 | |
77 void GrGLContextInfo::reset() { | |
78 fInterface.reset(NULL); | |
79 fGLVersion = GR_GL_VER(0, 0); | |
80 fGLSLGeneration = static_cast<GrGLSLGeneration>(0); | |
81 fVendor = kOther_GrGLVendor; | |
82 fRenderer = kOther_GrGLRenderer; | |
83 fIsMesa = false; | |
84 fIsChromium = false; | |
85 fGLCaps->reset(); | |
86 } | |
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