1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
|
//
// Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// utilities.h: Conversion functions and other utility routines.
#ifndef COMMON_UTILITIES_H_
#define COMMON_UTILITIES_H_
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <math.h>
#include <string>
#include <vector>
#include "angle_gl.h"
#include "common/PackedEnums.h"
#include "common/mathutil.h"
#include "common/platform.h"
namespace sh
{
struct ShaderVariable;
}
namespace gl
{
int VariableComponentCount(GLenum type);
GLenum VariableComponentType(GLenum type);
size_t VariableComponentSize(GLenum type);
size_t VariableInternalSize(GLenum type);
size_t VariableExternalSize(GLenum type);
int VariableRowCount(GLenum type);
int VariableColumnCount(GLenum type);
bool IsSamplerType(GLenum type);
bool IsImageType(GLenum type);
bool IsImage2DType(GLenum type);
bool IsAtomicCounterType(GLenum type);
bool IsOpaqueType(GLenum type);
bool IsMatrixType(GLenum type);
GLenum TransposeMatrixType(GLenum type);
int VariableRegisterCount(GLenum type);
int MatrixRegisterCount(GLenum type, bool isRowMajorMatrix);
int MatrixComponentCount(GLenum type, bool isRowMajorMatrix);
int VariableSortOrder(GLenum type);
GLenum VariableBoolVectorType(GLenum type);
int AllocateFirstFreeBits(unsigned int *bits, unsigned int allocationSize, unsigned int bitsSize);
// Parse the base resource name and array indices. Returns the base name of the resource.
// If the provided name doesn't index an array, the outSubscripts vector will be empty.
// If the provided name indexes an array, the outSubscripts vector will contain indices with
// outermost array indices in the back. If an array index is invalid, GL_INVALID_INDEX is added to
// outSubscripts.
std::string ParseResourceName(const std::string &name, std::vector<unsigned int> *outSubscripts);
// Find the child field which matches 'fullName' == var.name + "." + field.name.
// Return nullptr if not found.
const sh::ShaderVariable *FindShaderVarField(const sh::ShaderVariable &var,
const std::string &fullName,
GLuint *fieldIndexOut);
// Find the range of index values in the provided indices pointer. Primitive restart indices are
// only counted in the range if primitive restart is disabled.
IndexRange ComputeIndexRange(DrawElementsType indexType,
const GLvoid *indices,
size_t count,
bool primitiveRestartEnabled);
// Get the primitive restart index value for the given index type.
GLuint GetPrimitiveRestartIndex(DrawElementsType indexType);
// Get the primitive restart index value with the given C++ type.
template <typename T>
constexpr T GetPrimitiveRestartIndexFromType()
{
return std::numeric_limits<T>::max();
}
static_assert(GetPrimitiveRestartIndexFromType<uint8_t>() == 0xFF,
"verify restart index for uint8_t values");
static_assert(GetPrimitiveRestartIndexFromType<uint16_t>() == 0xFFFF,
"verify restart index for uint8_t values");
static_assert(GetPrimitiveRestartIndexFromType<uint32_t>() == 0xFFFFFFFF,
"verify restart index for uint8_t values");
bool IsTriangleMode(PrimitiveMode drawMode);
namespace priv
{
extern const angle::PackedEnumMap<PrimitiveMode, bool> gLineModes;
} // namespace priv
ANGLE_INLINE bool IsLineMode(PrimitiveMode primitiveMode)
{
return priv::gLineModes[primitiveMode];
}
bool IsIntegerFormat(GLenum unsizedFormat);
// Returns the product of the sizes in the vector, or 1 if the vector is empty. Doesn't currently
// perform overflow checks.
unsigned int ArraySizeProduct(const std::vector<unsigned int> &arraySizes);
// Return the array index at the end of name, and write the length of name before the final array
// index into nameLengthWithoutArrayIndexOut. In case name doesn't include an array index, return
// GL_INVALID_INDEX and write the length of the original string.
unsigned int ParseArrayIndex(const std::string &name, size_t *nameLengthWithoutArrayIndexOut);
enum class SamplerFormat : uint8_t
{
Float = 0,
Unsigned = 1,
Signed = 2,
Shadow = 3,
InvalidEnum = 4,
EnumCount = 4,
};
struct UniformTypeInfo final : angle::NonCopyable
{
inline constexpr UniformTypeInfo(GLenum type,
GLenum componentType,
GLenum textureType,
GLenum transposedMatrixType,
GLenum boolVectorType,
SamplerFormat samplerFormat,
int rowCount,
int columnCount,
int componentCount,
size_t componentSize,
size_t internalSize,
size_t externalSize,
bool isSampler,
bool isMatrixType,
bool isImageType,
const char *glslAsFloat);
GLenum type;
GLenum componentType;
GLenum textureType;
GLenum transposedMatrixType;
GLenum boolVectorType;
SamplerFormat samplerFormat;
int rowCount;
int columnCount;
int componentCount;
size_t componentSize;
size_t internalSize;
size_t externalSize;
bool isSampler;
bool isMatrixType;
bool isImageType;
const char *glslAsFloat;
};
inline constexpr UniformTypeInfo::UniformTypeInfo(GLenum type,
GLenum componentType,
GLenum textureType,
GLenum transposedMatrixType,
GLenum boolVectorType,
SamplerFormat samplerFormat,
int rowCount,
int columnCount,
int componentCount,
size_t componentSize,
size_t internalSize,
size_t externalSize,
bool isSampler,
bool isMatrixType,
bool isImageType,
const char *glslAsFloat)
: type(type),
componentType(componentType),
textureType(textureType),
transposedMatrixType(transposedMatrixType),
boolVectorType(boolVectorType),
samplerFormat(samplerFormat),
rowCount(rowCount),
columnCount(columnCount),
componentCount(componentCount),
componentSize(componentSize),
internalSize(internalSize),
externalSize(externalSize),
isSampler(isSampler),
isMatrixType(isMatrixType),
isImageType(isImageType),
glslAsFloat(glslAsFloat)
{}
const UniformTypeInfo &GetUniformTypeInfo(GLenum uniformType);
const char *GetGenericErrorMessage(GLenum error);
unsigned int ElementTypeSize(GLenum elementType);
template <typename T>
T GetClampedVertexCount(size_t vertexCount)
{
static constexpr size_t kMax = static_cast<size_t>(std::numeric_limits<T>::max());
return static_cast<T>(vertexCount > kMax ? kMax : vertexCount);
}
enum class PipelineType
{
GraphicsPipeline = 0,
ComputePipeline = 1,
};
PipelineType GetPipelineType(ShaderType shaderType);
} // namespace gl
namespace egl
{
static const EGLenum FirstCubeMapTextureTarget = EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR;
static const EGLenum LastCubeMapTextureTarget = EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR;
bool IsCubeMapTextureTarget(EGLenum target);
size_t CubeMapTextureTargetToLayerIndex(EGLenum target);
EGLenum LayerIndexToCubeMapTextureTarget(size_t index);
bool IsTextureTarget(EGLenum target);
bool IsRenderbufferTarget(EGLenum target);
bool IsExternalImageTarget(EGLenum target);
const char *GetGenericErrorMessage(EGLint error);
} // namespace egl
namespace egl_gl
{
GLuint EGLClientBufferToGLObjectHandle(EGLClientBuffer buffer);
}
namespace gl_egl
{
EGLenum GLComponentTypeToEGLColorComponentType(GLenum glComponentType);
EGLClientBuffer GLObjectHandleToEGLClientBuffer(GLuint handle);
} // namespace gl_egl
#if !defined(ANGLE_ENABLE_WINDOWS_STORE)
std::string getTempPath();
void writeFile(const char *path, const void *data, size_t size);
#endif
#if defined(ANGLE_PLATFORM_WINDOWS)
void ScheduleYield();
#endif
#endif // COMMON_UTILITIES_H_
|
