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Side by Side Diff: src/gpu/gl/GrGLContextInfo.cpp

Issue 12328111: Use glGetStringi to get extensions when available. (Closed) Base URL: http://skia.googlecode.com/svn/trunk/
Patch Set: Created 7 years, 9 months ago
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1 /* 1 /*
2 * Copyright 2012 Google Inc. 2 * Copyright 2012 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 "GrGLContextInfo.h" 8 #include "GrGLContextInfo.h"
9 9
10 GrGLContextInfo::~GrGLContextInfo() { 10 GrGLContextInfo::~GrGLContextInfo() {
(...skipping 13 matching lines...) Expand all
24 fInterface = NULL; 24 fInterface = NULL;
25 *this = ctx; 25 *this = ctx;
26 } 26 }
27 27
28 GrGLContextInfo& GrGLContextInfo::operator = (const GrGLContextInfo& ctx) { 28 GrGLContextInfo& GrGLContextInfo::operator = (const GrGLContextInfo& ctx) {
29 GrSafeAssign(fInterface, ctx.fInterface); 29 GrSafeAssign(fInterface, ctx.fInterface);
30 fBindingInUse = ctx.fBindingInUse; 30 fBindingInUse = ctx.fBindingInUse;
31 fGLVersion = ctx.fGLVersion; 31 fGLVersion = ctx.fGLVersion;
32 fGLSLGeneration = ctx.fGLSLGeneration; 32 fGLSLGeneration = ctx.fGLSLGeneration;
33 fVendor = ctx.fVendor; 33 fVendor = ctx.fVendor;
34 fExtensionString = ctx.fExtensionString; 34 fExtensions = ctx.fExtensions;
35 fGLCaps = ctx.fGLCaps; 35 fGLCaps = ctx.fGLCaps;
36 return *this; 36 return *this;
37 } 37 }
38 38
39 void GrGLContextInfo::reset() { 39 void GrGLContextInfo::reset() {
40 GrSafeSetNull(fInterface); 40 GrSafeSetNull(fInterface);
41 fBindingInUse = kNone_GrGLBinding; 41 fBindingInUse = kNone_GrGLBinding;
42 fGLVersion = GR_GL_VER(0, 0); 42 fGLVersion = GR_GL_VER(0, 0);
43 fGLSLGeneration = static_cast<GrGLSLGeneration>(0); 43 fGLSLGeneration = static_cast<GrGLSLGeneration>(0);
44 fVendor = kOther_GrGLVendor; 44 fVendor = kOther_GrGLVendor;
45 fExtensionString = ""; 45 fExtensions.reset();
46 fGLCaps.reset(); 46 fGLCaps.reset();
47 } 47 }
48 48
49 bool GrGLContextInfo::initialize(const GrGLInterface* interface) { 49 bool GrGLContextInfo::initialize(const GrGLInterface* interface) {
50 this->reset(); 50 this->reset();
51 // We haven't validated the GrGLInterface yet, so check for GetString 51 // We haven't validated the GrGLInterface yet, so check for GetString
52 // function pointer 52 // function pointer
53 if (NULL != interface->fGetString) { 53 if (interface->fGetString) {
54
55 const GrGLubyte* verUByte; 54 const GrGLubyte* verUByte;
56 GR_GL_CALL_RET(interface, verUByte, GetString(GR_GL_VERSION)); 55 GR_GL_CALL_RET(interface, verUByte, GetString(GR_GL_VERSION));
57 const char* ver = reinterpret_cast<const char*>(verUByte); 56 const char* ver = reinterpret_cast<const char*>(verUByte);
58 GrGLBinding binding = GrGLGetBindingInUseFromString(ver); 57 GrGLBinding binding = GrGLGetBindingInUseFromString(ver);
59 58
60 if (interface->validate(binding)) { 59 if (0 != binding && interface->validate(binding) && fExtensions.init(bin ding, interface)) {
61 60
62 fInterface = interface; 61 fInterface = interface;
63 interface->ref(); 62 interface->ref();
64 63
65 fBindingInUse = binding; 64 fBindingInUse = binding;
66 65
67 fGLVersion = GrGLGetVersionFromString(ver); 66 fGLVersion = GrGLGetVersionFromString(ver);
68 67
69 fGLSLGeneration = GrGetGLSLGeneration(fBindingInUse, 68 fGLSLGeneration = GrGetGLSLGeneration(fBindingInUse,
70 this->interface()); 69 this->interface());
71 70
72 const GrGLubyte* ext;
73 GR_GL_CALL_RET(interface, ext, GetString(GR_GL_EXTENSIONS));
74 fExtensionString = reinterpret_cast<const char*>(ext);
75 fVendor = GrGLGetVendor(interface); 71 fVendor = GrGLGetVendor(interface);
76 fGLCaps.init(*this); 72 fGLCaps.init(*this);
77 return true; 73 return true;
78 } 74 }
79 } 75 }
80 return false; 76 return false;
81 } 77 }
82 78
83 bool GrGLContextInfo::isInitialized() const { 79 bool GrGLContextInfo::isInitialized() const {
84 return kNone_GrGLBinding != fBindingInUse; 80 return kNone_GrGLBinding != fBindingInUse;
85 } 81 }
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