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

Issue 22850006: Replace uses of GrAssert by SkASSERT. (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: rebase Created 7 years, 4 months ago
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1 /* 1 /*
2 * Copyright 2011 Google Inc. 2 * Copyright 2011 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 "GrGLSL.h" 8 #include "GrGLSL.h"
9 #include "GrGLShaderVar.h" 9 #include "GrGLShaderVar.h"
10 #include "SkString.h" 10 #include "SkString.h"
11 11
12 GrGLSLGeneration GrGetGLSLGeneration(GrGLBinding binding, const GrGLInterface* g l) { 12 GrGLSLGeneration GrGetGLSLGeneration(GrGLBinding binding, const GrGLInterface* g l) {
13 GrGLSLVersion ver = GrGLGetGLSLVersion(gl); 13 GrGLSLVersion ver = GrGLGetGLSLVersion(gl);
14 switch (binding) { 14 switch (binding) {
15 case kDesktop_GrGLBinding: 15 case kDesktop_GrGLBinding:
16 GrAssert(ver >= GR_GLSL_VER(1,10)); 16 SkASSERT(ver >= GR_GLSL_VER(1,10));
17 if (ver >= GR_GLSL_VER(1,50)) { 17 if (ver >= GR_GLSL_VER(1,50)) {
18 return k150_GrGLSLGeneration; 18 return k150_GrGLSLGeneration;
19 } else if (ver >= GR_GLSL_VER(1,40)) { 19 } else if (ver >= GR_GLSL_VER(1,40)) {
20 return k140_GrGLSLGeneration; 20 return k140_GrGLSLGeneration;
21 } else if (ver >= GR_GLSL_VER(1,30)) { 21 } else if (ver >= GR_GLSL_VER(1,30)) {
22 return k130_GrGLSLGeneration; 22 return k130_GrGLSLGeneration;
23 } else { 23 } else {
24 return k110_GrGLSLGeneration; 24 return k110_GrGLSLGeneration;
25 } 25 }
26 case kES_GrGLBinding: 26 case kES_GrGLBinding:
27 // version 1.00 of ES GLSL based on ver 1.20 of desktop GLSL 27 // version 1.00 of ES GLSL based on ver 1.20 of desktop GLSL
28 GrAssert(ver >= GR_GL_VER(1,00)); 28 SkASSERT(ver >= GR_GL_VER(1,00));
29 return k110_GrGLSLGeneration; 29 return k110_GrGLSLGeneration;
30 default: 30 default:
31 GrCrash("Unknown GL Binding"); 31 GrCrash("Unknown GL Binding");
32 return k110_GrGLSLGeneration; // suppress warning 32 return k110_GrGLSLGeneration; // suppress warning
33 } 33 }
34 } 34 }
35 35
36 const char* GrGetGLSLVersionDecl(GrGLBinding binding, GrGLSLGeneration gen) { 36 const char* GrGetGLSLVersionDecl(GrGLBinding binding, GrGLSLGeneration gen) {
37 switch (gen) { 37 switch (gen) {
38 case k110_GrGLSLGeneration: 38 case k110_GrGLSLGeneration:
39 if (kES_GrGLBinding == binding) { 39 if (kES_GrGLBinding == binding) {
40 // ES2s shader language is based on version 1.20 but is version 40 // ES2s shader language is based on version 1.20 but is version
41 // 1.00 of the ES language. 41 // 1.00 of the ES language.
42 return "#version 100\n"; 42 return "#version 100\n";
43 } else { 43 } else {
44 GrAssert(kDesktop_GrGLBinding == binding); 44 SkASSERT(kDesktop_GrGLBinding == binding);
45 return "#version 110\n"; 45 return "#version 110\n";
46 } 46 }
47 case k130_GrGLSLGeneration: 47 case k130_GrGLSLGeneration:
48 GrAssert(kDesktop_GrGLBinding == binding); 48 SkASSERT(kDesktop_GrGLBinding == binding);
49 return "#version 130\n"; 49 return "#version 130\n";
50 case k140_GrGLSLGeneration: 50 case k140_GrGLSLGeneration:
51 GrAssert(kDesktop_GrGLBinding == binding); 51 SkASSERT(kDesktop_GrGLBinding == binding);
52 return "#version 140\n"; 52 return "#version 140\n";
53 case k150_GrGLSLGeneration: 53 case k150_GrGLSLGeneration:
54 GrAssert(kDesktop_GrGLBinding == binding); 54 SkASSERT(kDesktop_GrGLBinding == binding);
55 return "#version 150\n"; 55 return "#version 150\n";
56 default: 56 default:
57 GrCrash("Unknown GL version."); 57 GrCrash("Unknown GL version.");
58 return ""; // suppress warning 58 return ""; // suppress warning
59 } 59 }
60 } 60 }
61 61
62 bool GrGLSLSetupFSColorOuput(GrGLSLGeneration gen, const char* nameIfDeclared, G rGLShaderVar* var) { 62 bool GrGLSLSetupFSColorOuput(GrGLSLGeneration gen, const char* nameIfDeclared, G rGLShaderVar* var) {
63 bool declaredOutput = k110_GrGLSLGeneration != gen; 63 bool declaredOutput = k110_GrGLSLGeneration != gen;
64 var->set(kVec4f_GrSLType, 64 var->set(kVec4f_GrSLType,
65 GrGLShaderVar::kOut_TypeModifier, 65 GrGLShaderVar::kOut_TypeModifier,
66 declaredOutput ? nameIfDeclared : "gl_FragColor"); 66 declaredOutput ? nameIfDeclared : "gl_FragColor");
67 return declaredOutput; 67 return declaredOutput;
68 } 68 }
69 69
70 const char* GrGLSLVectorHomogCoord(int count) { 70 const char* GrGLSLVectorHomogCoord(int count) {
71 static const char* HOMOGS[] = {"ERROR", "", ".y", ".z", ".w"}; 71 static const char* HOMOGS[] = {"ERROR", "", ".y", ".z", ".w"};
72 GrAssert(count >= 1 && count < (int)GR_ARRAY_COUNT(HOMOGS)); 72 SkASSERT(count >= 1 && count < (int)GR_ARRAY_COUNT(HOMOGS));
73 return HOMOGS[count]; 73 return HOMOGS[count];
74 } 74 }
75 75
76 const char* GrGLSLVectorHomogCoord(GrSLType type) { 76 const char* GrGLSLVectorHomogCoord(GrSLType type) {
77 return GrGLSLVectorHomogCoord(GrSLTypeToVecLength(type)); 77 return GrGLSLVectorHomogCoord(GrSLTypeToVecLength(type));
78 } 78 }
79 79
80 const char* GrGLSLVectorNonhomogCoords(int count) { 80 const char* GrGLSLVectorNonhomogCoords(int count) {
81 static const char* NONHOMOGS[] = {"ERROR", "", ".x", ".xy", ".xyz"}; 81 static const char* NONHOMOGS[] = {"ERROR", "", ".x", ".xy", ".xyz"};
82 GrAssert(count >= 1 && count < (int)GR_ARRAY_COUNT(NONHOMOGS)); 82 SkASSERT(count >= 1 && count < (int)GR_ARRAY_COUNT(NONHOMOGS));
83 return NONHOMOGS[count]; 83 return NONHOMOGS[count];
84 } 84 }
85 85
86 const char* GrGLSLVectorNonhomogCoords(GrSLType type) { 86 const char* GrGLSLVectorNonhomogCoords(GrSLType type) {
87 return GrGLSLVectorNonhomogCoords(GrSLTypeToVecLength(type)); 87 return GrGLSLVectorNonhomogCoords(GrSLTypeToVecLength(type));
88 } 88 }
89 89
90 namespace { 90 namespace {
91 void append_tabs(SkString* outAppend, int tabCnt) { 91 void append_tabs(SkString* outAppend, int tabCnt) {
92 static const char kTabs[] = "\t\t\t\t\t\t\t\t"; 92 static const char kTabs[] = "\t\t\t\t\t\t\t\t";
93 while (tabCnt) { 93 while (tabCnt) {
94 int cnt = GrMin((int)GR_ARRAY_COUNT(kTabs), tabCnt); 94 int cnt = GrMin((int)GR_ARRAY_COUNT(kTabs), tabCnt);
95 outAppend->append(kTabs, cnt); 95 outAppend->append(kTabs, cnt);
96 tabCnt -= cnt; 96 tabCnt -= cnt;
97 } 97 }
98 } 98 }
99 } 99 }
100 100
101 GrSLConstantVec GrGLSLMulVarBy4f(SkString* outAppend, 101 GrSLConstantVec GrGLSLMulVarBy4f(SkString* outAppend,
102 int tabCnt, 102 int tabCnt,
103 const char* vec4VarName, 103 const char* vec4VarName,
104 const char* mulFactor, 104 const char* mulFactor,
105 GrSLConstantVec mulFactorDefault) { 105 GrSLConstantVec mulFactorDefault) {
106 bool haveFactor = NULL != mulFactor && '\0' != *mulFactor; 106 bool haveFactor = NULL != mulFactor && '\0' != *mulFactor;
107 107
108 GrAssert(NULL != outAppend); 108 SkASSERT(NULL != outAppend);
109 GrAssert(NULL != vec4VarName); 109 SkASSERT(NULL != vec4VarName);
110 GrAssert(kNone_GrSLConstantVec != mulFactorDefault || haveFactor); 110 SkASSERT(kNone_GrSLConstantVec != mulFactorDefault || haveFactor);
111 111
112 if (!haveFactor) { 112 if (!haveFactor) {
113 if (kOnes_GrSLConstantVec == mulFactorDefault) { 113 if (kOnes_GrSLConstantVec == mulFactorDefault) {
114 return kNone_GrSLConstantVec; 114 return kNone_GrSLConstantVec;
115 } else { 115 } else {
116 GrAssert(kZeros_GrSLConstantVec == mulFactorDefault); 116 SkASSERT(kZeros_GrSLConstantVec == mulFactorDefault);
117 append_tabs(outAppend, tabCnt); 117 append_tabs(outAppend, tabCnt);
118 outAppend->appendf("%s = vec4(0, 0, 0, 0);\n", vec4VarName); 118 outAppend->appendf("%s = vec4(0, 0, 0, 0);\n", vec4VarName);
119 return kZeros_GrSLConstantVec; 119 return kZeros_GrSLConstantVec;
120 } 120 }
121 } 121 }
122 append_tabs(outAppend, tabCnt); 122 append_tabs(outAppend, tabCnt);
123 outAppend->appendf("%s *= %s;\n", vec4VarName, mulFactor); 123 outAppend->appendf("%s *= %s;\n", vec4VarName, mulFactor);
124 return kNone_GrSLConstantVec; 124 return kNone_GrSLConstantVec;
125 } 125 }
126 126
127 GrSLConstantVec GrGLSLGetComponent4f(SkString* outAppend, 127 GrSLConstantVec GrGLSLGetComponent4f(SkString* outAppend,
128 const char* expr, 128 const char* expr,
129 GrColorComponentFlags component, 129 GrColorComponentFlags component,
130 GrSLConstantVec defaultExpr, 130 GrSLConstantVec defaultExpr,
131 bool omitIfConst) { 131 bool omitIfConst) {
132 if (NULL == expr || '\0' == *expr) { 132 if (NULL == expr || '\0' == *expr) {
133 GrAssert(defaultExpr != kNone_GrSLConstantVec); 133 SkASSERT(defaultExpr != kNone_GrSLConstantVec);
134 if (!omitIfConst) { 134 if (!omitIfConst) {
135 if (kOnes_GrSLConstantVec == defaultExpr) { 135 if (kOnes_GrSLConstantVec == defaultExpr) {
136 outAppend->append("1.0"); 136 outAppend->append("1.0");
137 } else { 137 } else {
138 GrAssert(kZeros_GrSLConstantVec == defaultExpr); 138 SkASSERT(kZeros_GrSLConstantVec == defaultExpr);
139 outAppend->append("0.0"); 139 outAppend->append("0.0");
140 } 140 }
141 } 141 }
142 return defaultExpr; 142 return defaultExpr;
143 } else { 143 } else {
144 outAppend->appendf("(%s).%c", expr, GrColorComponentFlagToChar(component )); 144 outAppend->appendf("(%s).%c", expr, GrColorComponentFlagToChar(component ));
145 return kNone_GrSLConstantVec; 145 return kNone_GrSLConstantVec;
146 } 146 }
147 } 147 }
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