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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 GrGLVertexArray_DEFINED | 8 #ifndef GrGLVertexArray_DEFINED |
9 #define GrGLVertexArray_DEFINED | 9 #define GrGLVertexArray_DEFINED |
10 | 10 |
11 #include "GrTypesPriv.h" | 11 #include "GrTypesPriv.h" |
12 #include "gl/GrGLDefines.h" | 12 #include "gl/GrGLDefines.h" |
13 #include "gl/GrGLTypes.h" | 13 #include "gl/GrGLTypes.h" |
14 #include "SkTArray.h" | 14 #include "SkTArray.h" |
15 | 15 |
16 class GrGLVertexBuffer; | 16 class GrGLVertexBuffer; |
17 class GrGLIndexBuffer; | 17 class GrGLIndexBuffer; |
18 class GrGLGpu; | 18 class GrGLGpu; |
19 | 19 |
20 struct GrGLAttribLayout { | 20 struct GrGLAttribLayout { |
21 GrGLint fCount; | 21 GrGLint fCount; |
22 GrGLenum fType; | 22 GrGLenum fType; |
23 GrGLboolean fNormalized; | 23 GrGLboolean fNormalized; |
24 }; | 24 }; |
25 | 25 |
26 static inline const GrGLAttribLayout& GrGLAttribTypeToLayout(GrVertexAttribType
type) { | 26 static inline const GrGLAttribLayout& GrGLAttribTypeToLayout(GrVertexAttribType
type) { |
| 27 SkASSERT(type >= 0 && type < kGrVertexAttribTypeCount); |
27 static const GrGLAttribLayout kLayouts[kGrVertexAttribTypeCount] = { | 28 static const GrGLAttribLayout kLayouts[kGrVertexAttribTypeCount] = { |
28 {1, GR_GL_FLOAT, false}, // kFloat_GrVertexAttribType | 29 {1, GR_GL_FLOAT, false}, // kFloat_GrVertexAttribType |
29 {2, GR_GL_FLOAT, false}, // kVec2f_GrVertexAttribType | 30 {2, GR_GL_FLOAT, false}, // kVec2f_GrVertexAttribType |
30 {3, GR_GL_FLOAT, false}, // kVec3f_GrVertexAttribType | 31 {3, GR_GL_FLOAT, false}, // kVec3f_GrVertexAttribType |
31 {4, GR_GL_FLOAT, false}, // kVec4f_GrVertexAttribType | 32 {4, GR_GL_FLOAT, false}, // kVec4f_GrVertexAttribType |
32 {1, GR_GL_UNSIGNED_BYTE, true}, // kUByte_GrVertexAttribType | 33 {1, GR_GL_UNSIGNED_BYTE, true}, // kUByte_GrVertexAttribType |
33 {4, GR_GL_UNSIGNED_BYTE, true}, // kVec4ub_GrVertexAttribType | 34 {4, GR_GL_UNSIGNED_BYTE, true}, // kVec4ub_GrVertexAttribType |
34 {2, GR_GL_SHORT, false}, // kVec2s_GrVertexAttribType | 35 {2, GR_GL_SHORT, false}, // kVec2s_GrVertexAttribType |
35 {4, GR_GL_INT, false}, // kInt_GrVertexAttribType | |
36 }; | 36 }; |
37 GR_STATIC_ASSERT(0 == kFloat_GrVertexAttribType); | 37 GR_STATIC_ASSERT(0 == kFloat_GrVertexAttribType); |
38 GR_STATIC_ASSERT(1 == kVec2f_GrVertexAttribType); | 38 GR_STATIC_ASSERT(1 == kVec2f_GrVertexAttribType); |
39 GR_STATIC_ASSERT(2 == kVec3f_GrVertexAttribType); | 39 GR_STATIC_ASSERT(2 == kVec3f_GrVertexAttribType); |
40 GR_STATIC_ASSERT(3 == kVec4f_GrVertexAttribType); | 40 GR_STATIC_ASSERT(3 == kVec4f_GrVertexAttribType); |
41 GR_STATIC_ASSERT(4 == kUByte_GrVertexAttribType); | 41 GR_STATIC_ASSERT(4 == kUByte_GrVertexAttribType); |
42 GR_STATIC_ASSERT(5 == kVec4ub_GrVertexAttribType); | 42 GR_STATIC_ASSERT(5 == kVec4ub_GrVertexAttribType); |
43 GR_STATIC_ASSERT(6 == kVec2s_GrVertexAttribType); | 43 GR_STATIC_ASSERT(6 == kVec2s_GrVertexAttribType); |
44 GR_STATIC_ASSERT(7 == kInt_GrVertexAttribType); | |
45 GR_STATIC_ASSERT(SK_ARRAY_COUNT(kLayouts) == kGrVertexAttribTypeCount); | 44 GR_STATIC_ASSERT(SK_ARRAY_COUNT(kLayouts) == kGrVertexAttribTypeCount); |
46 return kLayouts[type]; | 45 return kLayouts[type]; |
47 } | 46 } |
48 | 47 |
49 /** | 48 /** |
50 * This sets and tracks the vertex attribute array state. It is used internally
by GrGLVertexArray | 49 * This sets and tracks the vertex attribute array state. It is used internally
by GrGLVertexArray |
51 * (below) but is separate because it is also used to track the state of vertex
array object 0. | 50 * (below) but is separate because it is also used to track the state of vertex
array object 0. |
52 */ | 51 */ |
53 class GrGLAttribArrayState { | 52 class GrGLAttribArrayState { |
54 public: | 53 public: |
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161 void invalidateCachedState(); | 160 void invalidateCachedState(); |
162 | 161 |
163 private: | 162 private: |
164 GrGLuint fID; | 163 GrGLuint fID; |
165 GrGLAttribArrayState fAttribArrays; | 164 GrGLAttribArrayState fAttribArrays; |
166 GrGLuint fIndexBufferID; | 165 GrGLuint fIndexBufferID; |
167 bool fIndexBufferIDIsValid; | 166 bool fIndexBufferIDIsValid; |
168 }; | 167 }; |
169 | 168 |
170 #endif | 169 #endif |
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