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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 #ifndef GrTypesPriv_DEFINED | 8 #ifndef GrTypesPriv_DEFINED |
9 #define GrTypesPriv_DEFINED | 9 #define GrTypesPriv_DEFINED |
10 | 10 |
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109 /** | 109 /** |
110 * Types used to describe format of vertices in arrays. | 110 * Types used to describe format of vertices in arrays. |
111 */ | 111 */ |
112 enum GrVertexAttribType { | 112 enum GrVertexAttribType { |
113 kFloat_GrVertexAttribType = 0, | 113 kFloat_GrVertexAttribType = 0, |
114 kVec2f_GrVertexAttribType, | 114 kVec2f_GrVertexAttribType, |
115 kVec3f_GrVertexAttribType, | 115 kVec3f_GrVertexAttribType, |
116 kVec4f_GrVertexAttribType, | 116 kVec4f_GrVertexAttribType, |
117 | 117 |
118 kUByte_GrVertexAttribType, // unsigned byte, e.g. coverage | 118 kUByte_GrVertexAttribType, // unsigned byte, e.g. coverage |
119 kVec4ub_GrVertexAttribType, // vector of 4 unsigned bytes, e.g. colors | 119 kVec4ub_GrVertexAttribType, // vector of 4 unsigned bytes, e.g. colors |
120 | 120 |
121 kVec2s_GrVertexAttribType, // vector of 2 shorts, e.g. texture coordinates | 121 kLast_GrVertexAttribType = kVec4ub_GrVertexAttribType |
122 | |
123 kLast_GrVertexAttribType = kVec2s_GrVertexAttribType | |
124 }; | 122 }; |
125 static const int kGrVertexAttribTypeCount = kLast_GrVertexAttribType + 1; | 123 static const int kGrVertexAttribTypeCount = kLast_GrVertexAttribType + 1; |
126 | 124 |
127 /** | 125 /** |
128 * Returns the vector size of the type. | 126 * Returns the vector size of the type. |
129 */ | 127 */ |
130 static inline int GrVertexAttribTypeVectorCount(GrVertexAttribType type) { | 128 static inline int GrVertexAttribTypeVectorCount(GrVertexAttribType type) { |
131 SkASSERT(type >= 0 && type < kGrVertexAttribTypeCount); | 129 SkASSERT(type >= 0 && type < kGrVertexAttribTypeCount); |
132 static const int kCounts[] = { 1, 2, 3, 4, 1, 4, 2 }; | 130 static const int kCounts[] = { 1, 2, 3, 4, 1, 4 }; |
133 return kCounts[type]; | 131 return kCounts[type]; |
134 | 132 |
135 GR_STATIC_ASSERT(0 == kFloat_GrVertexAttribType); | 133 GR_STATIC_ASSERT(0 == kFloat_GrVertexAttribType); |
136 GR_STATIC_ASSERT(1 == kVec2f_GrVertexAttribType); | 134 GR_STATIC_ASSERT(1 == kVec2f_GrVertexAttribType); |
137 GR_STATIC_ASSERT(2 == kVec3f_GrVertexAttribType); | 135 GR_STATIC_ASSERT(2 == kVec3f_GrVertexAttribType); |
138 GR_STATIC_ASSERT(3 == kVec4f_GrVertexAttribType); | 136 GR_STATIC_ASSERT(3 == kVec4f_GrVertexAttribType); |
139 GR_STATIC_ASSERT(4 == kUByte_GrVertexAttribType); | 137 GR_STATIC_ASSERT(4 == kUByte_GrVertexAttribType); |
140 GR_STATIC_ASSERT(5 == kVec4ub_GrVertexAttribType); | 138 GR_STATIC_ASSERT(5 == kVec4ub_GrVertexAttribType); |
141 GR_STATIC_ASSERT(6 == kVec2s_GrVertexAttribType); | |
142 GR_STATIC_ASSERT(SK_ARRAY_COUNT(kCounts) == kGrVertexAttribTypeCount); | 139 GR_STATIC_ASSERT(SK_ARRAY_COUNT(kCounts) == kGrVertexAttribTypeCount); |
143 } | 140 } |
144 | 141 |
145 /** | 142 /** |
146 * Returns the size of the attrib type in bytes. | 143 * Returns the size of the attrib type in bytes. |
147 */ | 144 */ |
148 static inline size_t GrVertexAttribTypeSize(GrVertexAttribType type) { | 145 static inline size_t GrVertexAttribTypeSize(GrVertexAttribType type) { |
149 SkASSERT(type >= 0 && type < kGrVertexAttribTypeCount); | 146 SkASSERT(type >= 0 && type < kGrVertexAttribTypeCount); |
150 static const size_t kSizes[] = { | 147 static const size_t kSizes[] = { |
151 sizeof(float), // kFloat_GrVertexAttribType | 148 sizeof(float), // kFloat_GrVertexAttribType |
152 2*sizeof(float), // kVec2f_GrVertexAttribType | 149 2*sizeof(float), // kVec2f_GrVertexAttribType |
153 3*sizeof(float), // kVec3f_GrVertexAttribType | 150 3*sizeof(float), // kVec3f_GrVertexAttribType |
154 4*sizeof(float), // kVec4f_GrVertexAttribType | 151 4*sizeof(float), // kVec4f_GrVertexAttribType |
155 1*sizeof(char), // kUByte_GrVertexAttribType | 152 1*sizeof(char), // kUByte_GrVertexAttribType |
156 4*sizeof(char), // kVec4ub_GrVertexAttribType | 153 4*sizeof(char) // kVec4ub_GrVertexAttribType |
157 2*sizeof(int16_t) // kVec2s_GrVertexAttribType | |
158 }; | 154 }; |
159 return kSizes[type]; | 155 return kSizes[type]; |
160 | 156 |
161 GR_STATIC_ASSERT(0 == kFloat_GrVertexAttribType); | 157 GR_STATIC_ASSERT(0 == kFloat_GrVertexAttribType); |
162 GR_STATIC_ASSERT(1 == kVec2f_GrVertexAttribType); | 158 GR_STATIC_ASSERT(1 == kVec2f_GrVertexAttribType); |
163 GR_STATIC_ASSERT(2 == kVec3f_GrVertexAttribType); | 159 GR_STATIC_ASSERT(2 == kVec3f_GrVertexAttribType); |
164 GR_STATIC_ASSERT(3 == kVec4f_GrVertexAttribType); | 160 GR_STATIC_ASSERT(3 == kVec4f_GrVertexAttribType); |
165 GR_STATIC_ASSERT(4 == kUByte_GrVertexAttribType); | 161 GR_STATIC_ASSERT(4 == kUByte_GrVertexAttribType); |
166 GR_STATIC_ASSERT(5 == kVec4ub_GrVertexAttribType); | 162 GR_STATIC_ASSERT(5 == kVec4ub_GrVertexAttribType); |
167 GR_STATIC_ASSERT(6 == kVec2s_GrVertexAttribType); | |
168 GR_STATIC_ASSERT(SK_ARRAY_COUNT(kSizes) == kGrVertexAttribTypeCount); | 163 GR_STATIC_ASSERT(SK_ARRAY_COUNT(kSizes) == kGrVertexAttribTypeCount); |
169 } | 164 } |
170 | 165 |
171 /** | 166 /** |
172 * converts a GrVertexAttribType to a GrSLType | 167 * converts a GrVertexAttribType to a GrSLType |
173 */ | 168 */ |
174 static inline GrSLType GrVertexAttribTypeToSLType(GrVertexAttribType type) { | 169 static inline GrSLType GrVertexAttribTypeToSLType(GrVertexAttribType type) { |
175 switch (type) { | 170 switch (type) { |
176 default: | 171 default: |
177 SkFAIL("Unsupported type conversion"); | 172 SkFAIL("Unsupported type conversion"); |
178 case kUByte_GrVertexAttribType: | 173 case kUByte_GrVertexAttribType: |
179 case kFloat_GrVertexAttribType: | 174 case kFloat_GrVertexAttribType: |
180 return kFloat_GrSLType; | 175 return kFloat_GrSLType; |
181 case kVec2s_GrVertexAttribType: | |
182 case kVec2f_GrVertexAttribType: | 176 case kVec2f_GrVertexAttribType: |
183 return kVec2f_GrSLType; | 177 return kVec2f_GrSLType; |
184 case kVec3f_GrVertexAttribType: | 178 case kVec3f_GrVertexAttribType: |
185 return kVec3f_GrSLType; | 179 return kVec3f_GrSLType; |
186 case kVec4ub_GrVertexAttribType: | 180 case kVec4ub_GrVertexAttribType: |
187 case kVec4f_GrVertexAttribType: | 181 case kVec4f_GrVertexAttribType: |
188 return kVec4f_GrSLType; | 182 return kVec4f_GrSLType; |
189 } | 183 } |
190 } | 184 } |
191 | 185 |
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258 | 252 |
259 bool enabled() const { return fEnabled; } | 253 bool enabled() const { return fEnabled; } |
260 const SkIRect& rect() const { return fRect; } | 254 const SkIRect& rect() const { return fRect; } |
261 | 255 |
262 private: | 256 private: |
263 bool fEnabled; | 257 bool fEnabled; |
264 SkIRect fRect; | 258 SkIRect fRect; |
265 }; | 259 }; |
266 | 260 |
267 #endif | 261 #endif |
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