1 // Copyright 2016 The SwiftShader Authors. All Rights Reserved.
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
7 // http://www.apache.org/licenses/LICENSE-2.0
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
19 #include <GLES/glext.h>
22 #include "Common/SharedLibrary.hpp"
27 enum Format : unsigned char;
38 class LibGLESv2exports
43 void (*glActiveTexture)(GLenum texture);
44 void (*glAttachShader)(GLuint program, GLuint shader);
45 void (*glBeginQueryEXT)(GLenum target, GLuint name);
46 void (*glBindAttribLocation)(GLuint program, GLuint index, const GLchar* name);
47 void (*glBindBuffer)(GLenum target, GLuint buffer);
48 void (*glBindFramebuffer)(GLenum target, GLuint framebuffer);
49 void (*glBindRenderbuffer)(GLenum target, GLuint renderbuffer);
50 void (*glBindTexture)(GLenum target, GLuint texture);
51 void (*glBlendColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
52 void (*glBlendEquation)(GLenum mode);
53 void (*glBlendEquationSeparate)(GLenum modeRGB, GLenum modeAlpha);
54 void (*glBlendFunc)(GLenum sfactor, GLenum dfactor);
55 void (*glBlendFuncSeparate)(GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha);
56 void (*glBufferData)(GLenum target, GLsizeiptr size, const GLvoid* data, GLenum usage);
57 void (*glBufferSubData)(GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid* data);
58 GLenum (*glCheckFramebufferStatus)(GLenum target);
59 void (*glClear)(GLbitfield mask);
60 void (*glClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
61 void (*glClearDepthf)(GLclampf depth);
62 void (*glClearStencil)(GLint s);
63 void (*glColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
64 void (*glCompileShader)(GLuint shader);
65 void (*glCompressedTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height,
66 GLint border, GLsizei imageSize, const GLvoid* data);
67 void (*glCompressedTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
68 GLenum format, GLsizei imageSize, const GLvoid* data);
69 void (*glCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
70 void (*glCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
71 GLuint (*glCreateProgram)(void);
72 GLuint (*glCreateShader)(GLenum type);
73 void (*glCullFace)(GLenum mode);
74 void (*glDeleteBuffers)(GLsizei n, const GLuint* buffers);
75 void (*glDeleteFencesNV)(GLsizei n, const GLuint* fences);
76 void (*glDeleteFramebuffers)(GLsizei n, const GLuint* framebuffers);
77 void (*glDeleteProgram)(GLuint program);
78 void (*glDeleteQueriesEXT)(GLsizei n, const GLuint *ids);
79 void (*glDeleteRenderbuffers)(GLsizei n, const GLuint* renderbuffers);
80 void (*glDeleteShader)(GLuint shader);
81 void (*glDeleteTextures)(GLsizei n, const GLuint* textures);
82 void (*glDepthFunc)(GLenum func);
83 void (*glDepthMask)(GLboolean flag);
84 void (*glDepthRangef)(GLclampf zNear, GLclampf zFar);
85 void (*glDetachShader)(GLuint program, GLuint shader);
86 void (*glDisable)(GLenum cap);
87 void (*glDisableVertexAttribArray)(GLuint index);
88 void (*glDrawArrays)(GLenum mode, GLint first, GLsizei count);
89 void (*glDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid* indices);
90 void (*glDrawArraysInstancedEXT)(GLenum mode, GLint first, GLsizei count, GLsizei instanceCount);
91 void (*glDrawElementsInstancedEXT)(GLenum mode, GLsizei count, GLenum type, const void *indices, GLsizei instanceCount);
92 void (*glVertexAttribDivisorEXT)(GLuint index, GLuint divisor);
93 void (*glDrawArraysInstancedANGLE)(GLenum mode, GLint first, GLsizei count, GLsizei instanceCount);
94 void (*glDrawElementsInstancedANGLE)(GLenum mode, GLsizei count, GLenum type, const void *indices, GLsizei instanceCount);
95 void (*glVertexAttribDivisorANGLE)(GLuint index, GLuint divisor);
96 void (*glEnable)(GLenum cap);
97 void (*glEnableVertexAttribArray)(GLuint index);
98 void (*glEndQueryEXT)(GLenum target);
99 void (*glFinishFenceNV)(GLuint fence);
100 void (*glFinish)(void);
101 void (*glFlush)(void);
102 void (*glFramebufferRenderbuffer)(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
103 void (*glFramebufferTexture2D)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
104 void (*glFrontFace)(GLenum mode);
105 void (*glGenBuffers)(GLsizei n, GLuint* buffers);
106 void (*glGenerateMipmap)(GLenum target);
107 void (*glGenFencesNV)(GLsizei n, GLuint* fences);
108 void (*glGenFramebuffers)(GLsizei n, GLuint* framebuffers);
109 void (*glGenQueriesEXT)(GLsizei n, GLuint* ids);
110 void (*glGenRenderbuffers)(GLsizei n, GLuint* renderbuffers);
111 void (*glGenTextures)(GLsizei n, GLuint* textures);
112 void (*glGetActiveAttrib)(GLuint program, GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
113 void (*glGetActiveUniform)(GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name);
114 void (*glGetAttachedShaders)(GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders);
115 int (*glGetAttribLocation)(GLuint program, const GLchar* name);
116 void (*glGetBooleanv)(GLenum pname, GLboolean* params);
117 void (*glGetBufferParameteriv)(GLenum target, GLenum pname, GLint* params);
118 GLenum (*glGetError)(void);
119 void (*glGetFenceivNV)(GLuint fence, GLenum pname, GLint *params);
120 void (*glGetFloatv)(GLenum pname, GLfloat* params);
121 void (*glGetFramebufferAttachmentParameteriv)(GLenum target, GLenum attachment, GLenum pname, GLint* params);
122 GLenum (*glGetGraphicsResetStatusEXT)(void);
123 void (*glGetIntegerv)(GLenum pname, GLint* params);
124 void (*glGetProgramiv)(GLuint program, GLenum pname, GLint* params);
125 void (*glGetProgramInfoLog)(GLuint program, GLsizei bufsize, GLsizei* length, GLchar* infolog);
126 void (*glGetQueryivEXT)(GLenum target, GLenum pname, GLint *params);
127 void (*glGetQueryObjectuivEXT)(GLuint name, GLenum pname, GLuint *params);
128 void (*glGetRenderbufferParameteriv)(GLenum target, GLenum pname, GLint* params);
129 void (*glGetShaderiv)(GLuint shader, GLenum pname, GLint* params);
130 void (*glGetShaderInfoLog)(GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* infolog);
131 void (*glGetShaderPrecisionFormat)(GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision);
132 void (*glGetShaderSource)(GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* source);
133 const GLubyte* (*glGetString)(GLenum name);
134 void (*glGetTexParameterfv)(GLenum target, GLenum pname, GLfloat* params);
135 void (*glGetTexParameteriv)(GLenum target, GLenum pname, GLint* params);
136 void (*glGetnUniformfvEXT)(GLuint program, GLint location, GLsizei bufSize, GLfloat* params);
137 void (*glGetUniformfv)(GLuint program, GLint location, GLfloat* params);
138 void (*glGetnUniformivEXT)(GLuint program, GLint location, GLsizei bufSize, GLint* params);
139 void (*glGetUniformiv)(GLuint program, GLint location, GLint* params);
140 int (*glGetUniformLocation)(GLuint program, const GLchar* name);
141 void (*glGetVertexAttribfv)(GLuint index, GLenum pname, GLfloat* params);
142 void (*glGetVertexAttribiv)(GLuint index, GLenum pname, GLint* params);
143 void (*glGetVertexAttribPointerv)(GLuint index, GLenum pname, GLvoid** pointer);
144 void (*glHint)(GLenum target, GLenum mode);
145 GLboolean (*glIsBuffer)(GLuint buffer);
146 GLboolean (*glIsEnabled)(GLenum cap);
147 GLboolean (*glIsFenceNV)(GLuint fence);
148 GLboolean (*glIsFramebuffer)(GLuint framebuffer);
149 GLboolean (*glIsProgram)(GLuint program);
150 GLboolean (*glIsQueryEXT)(GLuint name);
151 GLboolean (*glIsRenderbuffer)(GLuint renderbuffer);
152 GLboolean (*glIsShader)(GLuint shader);
153 GLboolean (*glIsTexture)(GLuint texture);
154 void (*glLineWidth)(GLfloat width);
155 void (*glLinkProgram)(GLuint program);
156 void (*glPixelStorei)(GLenum pname, GLint param);
157 void (*glPolygonOffset)(GLfloat factor, GLfloat units);
158 void (*glReadnPixelsEXT)(GLint x, GLint y, GLsizei width, GLsizei height,
159 GLenum format, GLenum type, GLsizei bufSize, GLvoid *data);
160 void (*glReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid* pixels);
161 void (*glReleaseShaderCompiler)(void);
162 void (*glRenderbufferStorageMultisample)(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
163 void (*glRenderbufferStorageMultisampleANGLE)(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
164 void (*glRenderbufferStorage)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
165 void (*glSampleCoverage)(GLclampf value, GLboolean invert);
166 void (*glSetFenceNV)(GLuint fence, GLenum condition);
167 void (*glScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
168 void (*glShaderBinary)(GLsizei n, const GLuint* shaders, GLenum binaryformat, const GLvoid* binary, GLsizei length);
169 void (*glShaderSource)(GLuint shader, GLsizei count, const GLchar *const *string, const GLint *length);
170 void (*glStencilFunc)(GLenum func, GLint ref, GLuint mask);
171 void (*glStencilFuncSeparate)(GLenum face, GLenum func, GLint ref, GLuint mask);
172 void (*glStencilMask)(GLuint mask);
173 void (*glStencilMaskSeparate)(GLenum face, GLuint mask);
174 void (*glStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
175 void (*glStencilOpSeparate)(GLenum face, GLenum fail, GLenum zfail, GLenum zpass);
176 GLboolean (*glTestFenceNV)(GLuint fence);
177 void (*glTexImage2D)(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
178 GLint border, GLenum format, GLenum type, const GLvoid* pixels);
179 void (*glTexParameterf)(GLenum target, GLenum pname, GLfloat param);
180 void (*glTexParameterfv)(GLenum target, GLenum pname, const GLfloat* params);
181 void (*glTexParameteri)(GLenum target, GLenum pname, GLint param);
182 void (*glTexParameteriv)(GLenum target, GLenum pname, const GLint* params);
183 void (*glTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
184 GLenum format, GLenum type, const GLvoid* pixels);
185 void (*glUniform1f)(GLint location, GLfloat x);
186 void (*glUniform1fv)(GLint location, GLsizei count, const GLfloat* v);
187 void (*glUniform1i)(GLint location, GLint x);
188 void (*glUniform1iv)(GLint location, GLsizei count, const GLint* v);
189 void (*glUniform2f)(GLint location, GLfloat x, GLfloat y);
190 void (*glUniform2fv)(GLint location, GLsizei count, const GLfloat* v);
191 void (*glUniform2i)(GLint location, GLint x, GLint y);
192 void (*glUniform2iv)(GLint location, GLsizei count, const GLint* v);
193 void (*glUniform3f)(GLint location, GLfloat x, GLfloat y, GLfloat z);
194 void (*glUniform3fv)(GLint location, GLsizei count, const GLfloat* v);
195 void (*glUniform3i)(GLint location, GLint x, GLint y, GLint z);
196 void (*glUniform3iv)(GLint location, GLsizei count, const GLint* v);
197 void (*glUniform4f)(GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
198 void (*glUniform4fv)(GLint location, GLsizei count, const GLfloat* v);
199 void (*glUniform4i)(GLint location, GLint x, GLint y, GLint z, GLint w);
200 void (*glUniform4iv)(GLint location, GLsizei count, const GLint* v);
201 void (*glUniformMatrix2fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value);
202 void (*glUniformMatrix3fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value);
203 void (*glUniformMatrix4fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value);
204 void (*glUseProgram)(GLuint program);
205 void (*glValidateProgram)(GLuint program);
206 void (*glVertexAttrib1f)(GLuint index, GLfloat x);
207 void (*glVertexAttrib1fv)(GLuint index, const GLfloat* values);
208 void (*glVertexAttrib2f)(GLuint index, GLfloat x, GLfloat y);
209 void (*glVertexAttrib2fv)(GLuint index, const GLfloat* values);
210 void (*glVertexAttrib3f)(GLuint index, GLfloat x, GLfloat y, GLfloat z);
211 void (*glVertexAttrib3fv)(GLuint index, const GLfloat* values);
212 void (*glVertexAttrib4f)(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
213 void (*glVertexAttrib4fv)(GLuint index, const GLfloat* values);
214 void (*glVertexAttribPointer)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid* ptr);
215 void (*glViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
216 void (*glBlitFramebufferNV)(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter);
217 void (*glBlitFramebufferANGLE)(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
218 GLbitfield mask, GLenum filter);
219 void (*glTexImage3DOES)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth,
220 GLint border, GLenum format, GLenum type, const GLvoid* pixels);
221 void (*glTexSubImage3DOES)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void *pixels);
222 void (*glCopyTexSubImage3DOES)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
223 void (*glCompressedTexImage3DOES)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void *data);
224 void (*glCompressedTexSubImage3DOES)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void *data);
225 void (*glFramebufferTexture3DOES)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset);
226 void (*glEGLImageTargetTexture2DOES)(GLenum target, GLeglImageOES image);
227 void (*glEGLImageTargetRenderbufferStorageOES)(GLenum target, GLeglImageOES image);
228 GLboolean (*glIsRenderbufferOES)(GLuint renderbuffer);
229 void (*glBindRenderbufferOES)(GLenum target, GLuint renderbuffer);
230 void (*glDeleteRenderbuffersOES)(GLsizei n, const GLuint* renderbuffers);
231 void (*glGenRenderbuffersOES)(GLsizei n, GLuint* renderbuffers);
232 void (*glRenderbufferStorageOES)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
233 void (*glGetRenderbufferParameterivOES)(GLenum target, GLenum pname, GLint* params);
234 GLboolean (*glIsFramebufferOES)(GLuint framebuffer);
235 void (*glBindFramebufferOES)(GLenum target, GLuint framebuffer);
236 void (*glDeleteFramebuffersOES)(GLsizei n, const GLuint* framebuffers);
237 void (*glGenFramebuffersOES)(GLsizei n, GLuint* framebuffers);
238 GLenum (*glCheckFramebufferStatusOES)(GLenum target);
239 void (*glFramebufferRenderbufferOES)(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
240 void (*glFramebufferTexture2DOES)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
241 void (*glGetFramebufferAttachmentParameterivOES)(GLenum target, GLenum attachment, GLenum pname, GLint* params);
242 void (*glGenerateMipmapOES)(GLenum target);
243 void (*glDrawBuffersEXT)(GLsizei n, const GLenum *bufs);
245 egl::Context *(*es2CreateContext)(egl::Display *display, const egl::Context *shareContext, int clientVersion, const egl::Config *config);
246 __eglMustCastToProperFunctionPointerType (*es2GetProcAddress)(const char *procname);
247 egl::Image *(*createBackBuffer)(int width, int height, sw::Format format, int multiSampleDepth);
248 egl::Image *(*createDepthStencil)(int width, int height, sw::Format format, int multiSampleDepth);
249 sw::FrameBuffer *(*createFrameBuffer)(void *nativeDisplay, EGLNativeWindowType window, int width, int height);
258 libGLESv2exports = nullptr;
263 freeLibrary(libGLESv2);
268 return loadExports() != nullptr;
271 LibGLESv2exports *operator->()
273 return loadExports();
277 LibGLESv2exports *loadExports()
282 #if defined(__LP64__)
283 const char *libGLESv2_lib[] = {"libGLESv2.dll", "lib64GLES_V2_translator.dll"};
285 const char *libGLESv2_lib[] = {"libGLESv2.dll", "libGLES_V2_translator.dll"};
287 #elif defined(__ANDROID__)
288 #if defined(__LP64__)
289 const char *libGLESv2_lib[] = {"/vendor/lib64/egl/libGLESv2_swiftshader.so"};
291 const char *libGLESv2_lib[] = {"/vendor/lib/egl/libGLESv2_swiftshader.so"};
293 #elif defined(__linux__)
294 #if defined(__LP64__)
295 const char *libGLESv2_lib[] = {"lib64GLES_V2_translator.so", "libGLESv2.so.2", "libGLESv2.so"};
297 const char *libGLESv2_lib[] = {"libGLES_V2_translator.so", "libGLESv2.so.2", "libGLESv2.so"};
299 #elif defined(__APPLE__)
300 #if defined(__LP64__)
301 const char *libGLESv2_lib[] = {"libswiftshader_libGLESv2.dylib", "lib64GLES_V2_translator.dylib", "libGLESv2.dylib"};
303 const char *libGLESv2_lib[] = {"libswiftshader_libGLESv2.dylib", "libGLES_V2_translator.dylib", "libGLESv2.dylib"};
305 #elif defined(__Fuchsia__)
306 const char *libGLESv2_lib[] = {"libGLESv2.so"};
308 #error "libGLESv2::loadExports unimplemented for this platform"
311 libGLESv2 = loadLibrary(libGLESv2_lib, "libGLESv2_swiftshader");
315 auto libGLESv2_swiftshader = (LibGLESv2exports *(*)())getProcAddress(libGLESv2, "libGLESv2_swiftshader");
316 libGLESv2exports = libGLESv2_swiftshader();
320 return libGLESv2exports;
324 LibGLESv2exports *libGLESv2exports;
327 #endif // libGLESv2_hpp