blob: 85341ac6ebc8e1dd7b95781b47ecd574246280ca (
plain)
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
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
|
// Modified from chromium/src/webkit/glue/gl_bindings_skia_cmd_buffer.cc
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gl/GrGLInterface.h"
#include "gl/GrGLAssembleInterface.h"
#include "gl/GrGLExtensions.h"
#include "gl/GrGLUtil.h"
#ifndef GL_GLEXT_PROTOTYPES
#define GL_GLEXT_PROTOTYPES
#endif
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <EGL/egl.h>
static GrGLInterface* create_es_interface(GrGLVersion version,
GrGLExtensions* extensions) {
if (version < GR_GL_VER(2,0)) {
return NULL;
}
GrGLInterface* interface = SkNEW(GrGLInterface);
interface->fStandard = kGLES_GrGLStandard;
GrGLInterface::Functions* functions = &interface->fFunctions;
functions->fActiveTexture = glActiveTexture;
functions->fAttachShader = glAttachShader;
functions->fBindAttribLocation = glBindAttribLocation;
functions->fBindBuffer = glBindBuffer;
functions->fBindTexture = glBindTexture;
functions->fBindVertexArray = glBindVertexArrayOES;
functions->fBlendColor = glBlendColor;
functions->fBlendFunc = glBlendFunc;
functions->fBufferData = glBufferData;
functions->fBufferSubData = glBufferSubData;
functions->fClear = glClear;
functions->fClearColor = glClearColor;
functions->fClearStencil = glClearStencil;
functions->fColorMask = glColorMask;
functions->fCompileShader = glCompileShader;
functions->fCompressedTexImage2D = glCompressedTexImage2D;
functions->fCopyTexSubImage2D = glCopyTexSubImage2D;
functions->fCreateProgram = glCreateProgram;
functions->fCreateShader = glCreateShader;
functions->fCullFace = glCullFace;
functions->fDeleteBuffers = glDeleteBuffers;
functions->fDeleteProgram = glDeleteProgram;
functions->fDeleteShader = glDeleteShader;
functions->fDeleteTextures = glDeleteTextures;
functions->fDeleteVertexArrays = glDeleteVertexArraysOES;
functions->fDepthMask = glDepthMask;
functions->fDisable = glDisable;
functions->fDisableVertexAttribArray = glDisableVertexAttribArray;
functions->fDrawArrays = glDrawArrays;
functions->fDrawElements = glDrawElements;
functions->fEnable = glEnable;
functions->fEnableVertexAttribArray = glEnableVertexAttribArray;
functions->fFinish = glFinish;
functions->fFlush = glFlush;
functions->fFrontFace = glFrontFace;
functions->fGenBuffers = glGenBuffers;
functions->fGenerateMipmap = glGenerateMipmap;
functions->fGenTextures = glGenTextures;
functions->fGenVertexArrays = glGenVertexArraysOES;
functions->fGetBufferParameteriv = glGetBufferParameteriv;
functions->fGetError = glGetError;
functions->fGetIntegerv = glGetIntegerv;
functions->fGetProgramInfoLog = glGetProgramInfoLog;
functions->fGetProgramiv = glGetProgramiv;
functions->fGetShaderInfoLog = glGetShaderInfoLog;
functions->fGetShaderiv = glGetShaderiv;
functions->fGetString = glGetString;
#if GL_ES_VERSION_3_0
functions->fGetStringi = glGetStringi;
#else
functions->fGetStringi = (GrGLGetStringiProc) eglGetProcAddress("glGetStringi");
#endif
functions->fGetUniformLocation = glGetUniformLocation;
functions->fLineWidth = glLineWidth;
functions->fLinkProgram = glLinkProgram;
functions->fPixelStorei = glPixelStorei;
functions->fReadPixels = glReadPixels;
functions->fScissor = glScissor;
#if GR_GL_USE_NEW_SHADER_SOURCE_SIGNATURE
functions->fShaderSource = (GrGLShaderSourceProc) glShaderSource;
#else
functions->fShaderSource = glShaderSource;
#endif
functions->fStencilFunc = glStencilFunc;
functions->fStencilFuncSeparate = glStencilFuncSeparate;
functions->fStencilMask = glStencilMask;
functions->fStencilMaskSeparate = glStencilMaskSeparate;
functions->fStencilOp = glStencilOp;
functions->fStencilOpSeparate = glStencilOpSeparate;
functions->fTexImage2D = glTexImage2D;
functions->fTexParameteri = glTexParameteri;
functions->fTexParameteriv = glTexParameteriv;
functions->fTexSubImage2D = glTexSubImage2D;
if (version >= GR_GL_VER(3,0)) {
#if GL_ES_VERSION_3_0
functions->fTexStorage2D = glTexStorage2D;
#else
functions->fTexStorage2D = (GrGLTexStorage2DProc) eglGetProcAddress("glTexStorage2D");
#endif
} else {
#if GL_EXT_texture_storage
functions->fTexStorage2D = glTexStorage2DEXT;
#else
functions->fTexStorage2D = (GrGLTexStorage2DProc) eglGetProcAddress("glTexStorage2DEXT");
#endif
}
#if GL_EXT_discard_framebuffer
functions->fDiscardFramebuffer = glDiscardFramebufferEXT;
#endif
functions->fUniform1f = glUniform1f;
functions->fUniform1i = glUniform1i;
functions->fUniform1fv = glUniform1fv;
functions->fUniform1iv = glUniform1iv;
functions->fUniform2f = glUniform2f;
functions->fUniform2i = glUniform2i;
functions->fUniform2fv = glUniform2fv;
functions->fUniform2iv = glUniform2iv;
functions->fUniform3f = glUniform3f;
functions->fUniform3i = glUniform3i;
functions->fUniform3fv = glUniform3fv;
functions->fUniform3iv = glUniform3iv;
functions->fUniform4f = glUniform4f;
functions->fUniform4i = glUniform4i;
functions->fUniform4fv = glUniform4fv;
functions->fUniform4iv = glUniform4iv;
functions->fUniformMatrix2fv = glUniformMatrix2fv;
functions->fUniformMatrix3fv = glUniformMatrix3fv;
functions->fUniformMatrix4fv = glUniformMatrix4fv;
functions->fUseProgram = glUseProgram;
functions->fVertexAttrib4fv = glVertexAttrib4fv;
functions->fVertexAttribPointer = glVertexAttribPointer;
functions->fViewport = glViewport;
functions->fBindFramebuffer = glBindFramebuffer;
functions->fBindRenderbuffer = glBindRenderbuffer;
functions->fCheckFramebufferStatus = glCheckFramebufferStatus;
functions->fDeleteFramebuffers = glDeleteFramebuffers;
functions->fDeleteRenderbuffers = glDeleteRenderbuffers;
functions->fFramebufferRenderbuffer = glFramebufferRenderbuffer;
functions->fFramebufferTexture2D = glFramebufferTexture2D;
if (version >= GR_GL_VER(3,0)) {
#if GL_ES_VERSION_3_0
functions->fRenderbufferStorageMultisample = glRenderbufferStorageMultisample;
functions->fBlitFramebuffer = glBlitFramebuffer;
#else
functions->fRenderbufferStorageMultisample = (GrGLRenderbufferStorageMultisampleProc) eglGetProcAddress("glRenderbufferStorageMultisample");
functions->fBlitFramebuffer = (GrGLBlitFramebufferProc) eglGetProcAddress("glBlitFramebuffer");
#endif
}
if (extensions->has("GL_EXT_multisampled_render_to_texture")) {
#if GL_EXT_multisampled_render_to_texture
functions->fFramebufferTexture2DMultisample = glFramebufferTexture2DMultisampleEXT;
functions->fRenderbufferStorageMultisampleES2EXT = glRenderbufferStorageMultisampleEXT;
#else
functions->fFramebufferTexture2DMultisample = (GrGLFramebufferTexture2DMultisampleProc) eglGetProcAddress("glFramebufferTexture2DMultisampleEXT");
functions->fRenderbufferStorageMultisampleES2EXT = (GrGLRenderbufferStorageMultisampleProc) eglGetProcAddress("glRenderbufferStorageMultisampleEXT");
#endif
} else if (extensions->has("GL_IMG_multisampled_render_to_texture")) {
#if GL_IMG_multisampled_render_to_texture
functions->fFramebufferTexture2DMultisample = glFramebufferTexture2DMultisampleIMG;
functions->fRenderbufferStorageMultisampleES2EXT = glRenderbufferStorageMultisampleIMG;
#else
functions->fFramebufferTexture2DMultisample = (GrGLFramebufferTexture2DMultisampleProc) eglGetProcAddress("glFramebufferTexture2DMultisampleIMG");
functions->fRenderbufferStorageMultisampleES2EXT = (GrGLRenderbufferStorageMultisampleProc) eglGetProcAddress("glRenderbufferStorageMultisampleIMG");
#endif
}
functions->fGenFramebuffers = glGenFramebuffers;
functions->fGenRenderbuffers = glGenRenderbuffers;
functions->fGetFramebufferAttachmentParameteriv = glGetFramebufferAttachmentParameteriv;
functions->fGetRenderbufferParameteriv = glGetRenderbufferParameteriv;
functions->fRenderbufferStorage = glRenderbufferStorage;
#if GL_OES_mapbuffer
functions->fMapBuffer = glMapBufferOES;
functions->fUnmapBuffer = glUnmapBufferOES;
#else
functions->fMapBuffer = (GrGLMapBufferProc) eglGetProcAddress("glMapBufferOES");
functions->fUnmapBuffer = (GrGLUnmapBufferProc) eglGetProcAddress("glUnmapBufferOES");
#endif
if (version >= GR_GL_VER(3,0)) {
#if GL_ES_VERSION_3_0
functions->fMapBufferRange = glMapBufferRange;
functions->fFlushMappedBufferRange = glFlushMappedBufferRange;
#else
functions->fMapBufferRange = (GrGLMapBufferRangeProc) eglGetProcAddress("glMapBufferRange");
functions->fFlushMappedBufferRange = (GrGLFlushMappedBufferRangeProc) eglGetProcAddress("glFlushMappedBufferRange");
#endif
} else if (extensions->has("GL_EXT_map_buffer_range")) {
#if GL_EXT_map_buffer_range
functions->fMapBufferRange = glMapBufferRangeEXT;
functions->fFlushMappedBufferRange = glFlushMappedBufferRangeEXT;
#else
functions->fMapBufferRange = (GrGLMapBufferRangeProc) eglGetProcAddress("glMapBufferRangeEXT");
functions->fFlushMappedBufferRange = (GrGLFlushMappedBufferRangeProc) eglGetProcAddress("glFlushMappedBufferRangeEXT");
#endif
}
if (extensions->has("GL_EXT_debug_marker")) {
functions->fInsertEventMarker = (GrGLInsertEventMarkerProc) eglGetProcAddress("glInsertEventMarker");
functions->fPushGroupMarker = (GrGLInsertEventMarkerProc) eglGetProcAddress("glPushGroupMarker");
functions->fPopGroupMarker = (GrGLPopGroupMarkerProc) eglGetProcAddress("glPopGroupMarker");
// The below check is here because a device has been found that has the extension string but
// returns NULL from the eglGetProcAddress for the functions
if (NULL == functions->fInsertEventMarker ||
NULL == functions->fPushGroupMarker ||
NULL == functions->fPopGroupMarker) {
extensions->remove("GL_EXT_debug_marker");
}
}
#if GL_ES_VERSION_3_0
functions->fInvalidateFramebuffer = glInvalidateFramebuffer;
functions->fInvalidateSubFramebuffer = glInvalidateSubFramebuffer;
#else
functions->fInvalidateFramebuffer = (GrGLInvalidateFramebufferProc) eglGetProcAddress("glInvalidateFramebuffer");
functions->fInvalidateSubFramebuffer = (GrGLInvalidateSubFramebufferProc) eglGetProcAddress("glInvalidateSubFramebuffer");
#endif
functions->fInvalidateBufferData = (GrGLInvalidateBufferDataProc) eglGetProcAddress("glInvalidateBufferData");
functions->fInvalidateBufferSubData = (GrGLInvalidateBufferSubDataProc) eglGetProcAddress("glInvalidateBufferSubData");
functions->fInvalidateTexImage = (GrGLInvalidateTexImageProc) eglGetProcAddress("glInvalidateTexImage");
functions->fInvalidateTexSubImage = (GrGLInvalidateTexSubImageProc) eglGetProcAddress("glInvalidateTexSubImage");
return interface;
}
static GrGLFuncPtr android_get_gl_proc(void* ctx, const char name[]) {
SkASSERT(NULL == ctx);
return eglGetProcAddress(name);
}
static const GrGLInterface* create_desktop_interface() {
return GrGLAssembleGLInterface(NULL, android_get_gl_proc);
}
const GrGLInterface* GrGLCreateNativeInterface() {
const char* verStr = reinterpret_cast<const char*>(glGetString(GR_GL_VERSION));
GrGLStandard standard = GrGLGetStandardInUseFromString(verStr);
if (kGLES_GrGLStandard == standard) {
GrGLVersion version = GrGLGetVersionFromString(verStr);
GrGLExtensions extensions;
GrGLGetStringiProc getStringi = (GrGLGetStringiProc) eglGetProcAddress("glGetStringi");
if (!extensions.init(standard, glGetString, getStringi, glGetIntegerv)) {
return NULL;
}
GrGLInterface* interface = create_es_interface(version, &extensions);
if (NULL != interface) {
interface->fExtensions.swap(&extensions);
}
return interface;
} else if (kGL_GrGLStandard == standard) {
return create_desktop_interface();
}
return NULL;
}
|
