1 // Copyright 2016 The SwiftShader Authors. All Rights Reserved. 2 // 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 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 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. 14 15 #ifndef libGLESv2_hpp 16 #define libGLESv2_hpp 17 18 #include <GLES/gl.h> 19 #include <GLES/glext.h> 20 #include <EGL/egl.h> 21 22 #include "Common/SharedLibrary.hpp" 23 24 namespace sw 25 { 26 class FrameBuffer; 27 enum Format : unsigned char; 28 } 29 30 namespace egl 31 { 32 class Context; 33 class Image; 34 class Config; 35 } 36 37 class LibGLESv2exports 38 { 39 public: 40 LibGLESv2exports(); 41 42 void (*glActiveTexture)(GLenum texture); 43 void (*glAttachShader)(GLuint program, GLuint shader); 44 void (*glBeginQueryEXT)(GLenum target, GLuint name); 45 void (*glBindAttribLocation)(GLuint program, GLuint index, const GLchar* name); 46 void (*glBindBuffer)(GLenum target, GLuint buffer); 47 void (*glBindFramebuffer)(GLenum target, GLuint framebuffer); 48 void (*glBindRenderbuffer)(GLenum target, GLuint renderbuffer); 49 void (*glBindTexture)(GLenum target, GLuint texture); 50 void (*glBlendColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha); 51 void (*glBlendEquation)(GLenum mode); 52 void (*glBlendEquationSeparate)(GLenum modeRGB, GLenum modeAlpha); 53 void (*glBlendFunc)(GLenum sfactor, GLenum dfactor); 54 void (*glBlendFuncSeparate)(GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha); 55 void (*glBufferData)(GLenum target, GLsizeiptr size, const GLvoid* data, GLenum usage); 56 void (*glBufferSubData)(GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid* data); 57 GLenum (*glCheckFramebufferStatus)(GLenum target); 58 void (*glClear)(GLbitfield mask); 59 void (*glClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha); 60 void (*glClearDepthf)(GLclampf depth); 61 void (*glClearStencil)(GLint s); 62 void (*glColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha); 63 void (*glCompileShader)(GLuint shader); 64 void (*glCompressedTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, 65 GLint border, GLsizei imageSize, const GLvoid* data); 66 void (*glCompressedTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, 67 GLenum format, GLsizei imageSize, const GLvoid* data); 68 void (*glCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border); 69 void (*glCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height); 70 GLuint (*glCreateProgram)(void); 71 GLuint (*glCreateShader)(GLenum type); 72 void (*glCullFace)(GLenum mode); 73 void (*glDeleteBuffers)(GLsizei n, const GLuint* buffers); 74 void (*glDeleteFencesNV)(GLsizei n, const GLuint* fences); 75 void (*glDeleteFramebuffers)(GLsizei n, const GLuint* framebuffers); 76 void (*glDeleteProgram)(GLuint program); 77 void (*glDeleteQueriesEXT)(GLsizei n, const GLuint *ids); 78 void (*glDeleteRenderbuffers)(GLsizei n, const GLuint* renderbuffers); 79 void (*glDeleteShader)(GLuint shader); 80 void (*glDeleteTextures)(GLsizei n, const GLuint* textures); 81 void (*glDepthFunc)(GLenum func); 82 void (*glDepthMask)(GLboolean flag); 83 void (*glDepthRangef)(GLclampf zNear, GLclampf zFar); 84 void (*glDetachShader)(GLuint program, GLuint shader); 85 void (*glDisable)(GLenum cap); 86 void (*glDisableVertexAttribArray)(GLuint index); 87 void (*glDrawArrays)(GLenum mode, GLint first, GLsizei count); 88 void (*glDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid* indices); 89 void (*glDrawArraysInstancedEXT)(GLenum mode, GLint first, GLsizei count, GLsizei instanceCount); 90 void (*glDrawElementsInstancedEXT)(GLenum mode, GLsizei count, GLenum type, const void *indices, GLsizei instanceCount); 91 void (*glVertexAttribDivisorEXT)(GLuint index, GLuint divisor); 92 void (*glDrawArraysInstancedANGLE)(GLenum mode, GLint first, GLsizei count, GLsizei instanceCount); 93 void (*glDrawElementsInstancedANGLE)(GLenum mode, GLsizei count, GLenum type, const void *indices, GLsizei instanceCount); 94 void (*glVertexAttribDivisorANGLE)(GLuint index, GLuint divisor); 95 void (*glEnable)(GLenum cap); 96 void (*glEnableVertexAttribArray)(GLuint index); 97 void (*glEndQueryEXT)(GLenum target); 98 void (*glFinishFenceNV)(GLuint fence); 99 void (*glFinish)(void); 100 void (*glFlush)(void); 101 void (*glFramebufferRenderbuffer)(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer); 102 void (*glFramebufferTexture2D)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level); 103 void (*glFrontFace)(GLenum mode); 104 void (*glGenBuffers)(GLsizei n, GLuint* buffers); 105 void (*glGenerateMipmap)(GLenum target); 106 void (*glGenFencesNV)(GLsizei n, GLuint* fences); 107 void (*glGenFramebuffers)(GLsizei n, GLuint* framebuffers); 108 void (*glGenQueriesEXT)(GLsizei n, GLuint* ids); 109 void (*glGenRenderbuffers)(GLsizei n, GLuint* renderbuffers); 110 void (*glGenTextures)(GLsizei n, GLuint* textures); 111 void (*glGetActiveAttrib)(GLuint program, GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, GLchar *name); 112 void (*glGetActiveUniform)(GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name); 113 void (*glGetAttachedShaders)(GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders); 114 int (*glGetAttribLocation)(GLuint program, const GLchar* name); 115 void (*glGetBooleanv)(GLenum pname, GLboolean* params); 116 void (*glGetBufferParameteriv)(GLenum target, GLenum pname, GLint* params); 117 GLenum (*glGetError)(void); 118 void (*glGetFenceivNV)(GLuint fence, GLenum pname, GLint *params); 119 void (*glGetFloatv)(GLenum pname, GLfloat* params); 120 void (*glGetFramebufferAttachmentParameteriv)(GLenum target, GLenum attachment, GLenum pname, GLint* params); 121 GLenum (*glGetGraphicsResetStatusEXT)(void); 122 void (*glGetIntegerv)(GLenum pname, GLint* params); 123 void (*glGetProgramiv)(GLuint program, GLenum pname, GLint* params); 124 void (*glGetProgramInfoLog)(GLuint program, GLsizei bufsize, GLsizei* length, GLchar* infolog); 125 void (*glGetQueryivEXT)(GLenum target, GLenum pname, GLint *params); 126 void (*glGetQueryObjectuivEXT)(GLuint name, GLenum pname, GLuint *params); 127 void (*glGetRenderbufferParameteriv)(GLenum target, GLenum pname, GLint* params); 128 void (*glGetShaderiv)(GLuint shader, GLenum pname, GLint* params); 129 void (*glGetShaderInfoLog)(GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* infolog); 130 void (*glGetShaderPrecisionFormat)(GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision); 131 void (*glGetShaderSource)(GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* source); 132 const GLubyte* (*glGetString)(GLenum name); 133 void (*glGetTexParameterfv)(GLenum target, GLenum pname, GLfloat* params); 134 void (*glGetTexParameteriv)(GLenum target, GLenum pname, GLint* params); 135 void (*glGetnUniformfvEXT)(GLuint program, GLint location, GLsizei bufSize, GLfloat* params); 136 void (*glGetUniformfv)(GLuint program, GLint location, GLfloat* params); 137 void (*glGetnUniformivEXT)(GLuint program, GLint location, GLsizei bufSize, GLint* params); 138 void (*glGetUniformiv)(GLuint program, GLint location, GLint* params); 139 int (*glGetUniformLocation)(GLuint program, const GLchar* name); 140 void (*glGetVertexAttribfv)(GLuint index, GLenum pname, GLfloat* params); 141 void (*glGetVertexAttribiv)(GLuint index, GLenum pname, GLint* params); 142 void (*glGetVertexAttribPointerv)(GLuint index, GLenum pname, GLvoid** pointer); 143 void (*glHint)(GLenum target, GLenum mode); 144 GLboolean (*glIsBuffer)(GLuint buffer); 145 GLboolean (*glIsEnabled)(GLenum cap); 146 GLboolean (*glIsFenceNV)(GLuint fence); 147 GLboolean (*glIsFramebuffer)(GLuint framebuffer); 148 GLboolean (*glIsProgram)(GLuint program); 149 GLboolean (*glIsQueryEXT)(GLuint name); 150 GLboolean (*glIsRenderbuffer)(GLuint renderbuffer); 151 GLboolean (*glIsShader)(GLuint shader); 152 GLboolean (*glIsTexture)(GLuint texture); 153 void (*glLineWidth)(GLfloat width); 154 void (*glLinkProgram)(GLuint program); 155 void (*glPixelStorei)(GLenum pname, GLint param); 156 void (*glPolygonOffset)(GLfloat factor, GLfloat units); 157 void (*glReadnPixelsEXT)(GLint x, GLint y, GLsizei width, GLsizei height, 158 GLenum format, GLenum type, GLsizei bufSize, GLvoid *data); 159 void (*glReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid* pixels); 160 void (*glReleaseShaderCompiler)(void); 161 void (*glRenderbufferStorageMultisampleANGLE)(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height); 162 void (*glRenderbufferStorage)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height); 163 void (*glSampleCoverage)(GLclampf value, GLboolean invert); 164 void (*glSetFenceNV)(GLuint fence, GLenum condition); 165 void (*glScissor)(GLint x, GLint y, GLsizei width, GLsizei height); 166 void (*glShaderBinary)(GLsizei n, const GLuint* shaders, GLenum binaryformat, const GLvoid* binary, GLsizei length); 167 void (*glShaderSource)(GLuint shader, GLsizei count, const GLchar *const *string, const GLint *length); 168 void (*glStencilFunc)(GLenum func, GLint ref, GLuint mask); 169 void (*glStencilFuncSeparate)(GLenum face, GLenum func, GLint ref, GLuint mask); 170 void (*glStencilMask)(GLuint mask); 171 void (*glStencilMaskSeparate)(GLenum face, GLuint mask); 172 void (*glStencilOp)(GLenum fail, GLenum zfail, GLenum zpass); 173 void (*glStencilOpSeparate)(GLenum face, GLenum fail, GLenum zfail, GLenum zpass); 174 GLboolean (*glTestFenceNV)(GLuint fence); 175 void (*glTexImage2D)(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, 176 GLint border, GLenum format, GLenum type, const GLvoid* pixels); 177 void (*glTexParameterf)(GLenum target, GLenum pname, GLfloat param); 178 void (*glTexParameterfv)(GLenum target, GLenum pname, const GLfloat* params); 179 void (*glTexParameteri)(GLenum target, GLenum pname, GLint param); 180 void (*glTexParameteriv)(GLenum target, GLenum pname, const GLint* params); 181 void (*glTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, 182 GLenum format, GLenum type, const GLvoid* pixels); 183 void (*glUniform1f)(GLint location, GLfloat x); 184 void (*glUniform1fv)(GLint location, GLsizei count, const GLfloat* v); 185 void (*glUniform1i)(GLint location, GLint x); 186 void (*glUniform1iv)(GLint location, GLsizei count, const GLint* v); 187 void (*glUniform2f)(GLint location, GLfloat x, GLfloat y); 188 void (*glUniform2fv)(GLint location, GLsizei count, const GLfloat* v); 189 void (*glUniform2i)(GLint location, GLint x, GLint y); 190 void (*glUniform2iv)(GLint location, GLsizei count, const GLint* v); 191 void (*glUniform3f)(GLint location, GLfloat x, GLfloat y, GLfloat z); 192 void (*glUniform3fv)(GLint location, GLsizei count, const GLfloat* v); 193 void (*glUniform3i)(GLint location, GLint x, GLint y, GLint z); 194 void (*glUniform3iv)(GLint location, GLsizei count, const GLint* v); 195 void (*glUniform4f)(GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w); 196 void (*glUniform4fv)(GLint location, GLsizei count, const GLfloat* v); 197 void (*glUniform4i)(GLint location, GLint x, GLint y, GLint z, GLint w); 198 void (*glUniform4iv)(GLint location, GLsizei count, const GLint* v); 199 void (*glUniformMatrix2fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value); 200 void (*glUniformMatrix3fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value); 201 void (*glUniformMatrix4fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value); 202 void (*glUseProgram)(GLuint program); 203 void (*glValidateProgram)(GLuint program); 204 void (*glVertexAttrib1f)(GLuint index, GLfloat x); 205 void (*glVertexAttrib1fv)(GLuint index, const GLfloat* values); 206 void (*glVertexAttrib2f)(GLuint index, GLfloat x, GLfloat y); 207 void (*glVertexAttrib2fv)(GLuint index, const GLfloat* values); 208 void (*glVertexAttrib3f)(GLuint index, GLfloat x, GLfloat y, GLfloat z); 209 void (*glVertexAttrib3fv)(GLuint index, const GLfloat* values); 210 void (*glVertexAttrib4f)(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w); 211 void (*glVertexAttrib4fv)(GLuint index, const GLfloat* values); 212 void (*glVertexAttribPointer)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid* ptr); 213 void (*glViewport)(GLint x, GLint y, GLsizei width, GLsizei height); 214 void (*glBlitFramebufferNV)(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter); 215 void (*glBlitFramebufferANGLE)(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, 216 GLbitfield mask, GLenum filter); 217 void (*glTexImage3DOES)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, 218 GLint border, GLenum format, GLenum type, const GLvoid* pixels); 219 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); 220 void (*glCopyTexSubImage3DOES)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height); 221 void (*glCompressedTexImage3DOES)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void *data); 222 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); 223 void (*glFramebufferTexture3DOES)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset); 224 void (*glEGLImageTargetTexture2DOES)(GLenum target, GLeglImageOES image); 225 void (*glEGLImageTargetRenderbufferStorageOES)(GLenum target, GLeglImageOES image); 226 GLboolean (*glIsRenderbufferOES)(GLuint renderbuffer); 227 void (*glBindRenderbufferOES)(GLenum target, GLuint renderbuffer); 228 void (*glDeleteRenderbuffersOES)(GLsizei n, const GLuint* renderbuffers); 229 void (*glGenRenderbuffersOES)(GLsizei n, GLuint* renderbuffers); 230 void (*glRenderbufferStorageOES)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height); 231 void (*glGetRenderbufferParameterivOES)(GLenum target, GLenum pname, GLint* params); 232 GLboolean (*glIsFramebufferOES)(GLuint framebuffer); 233 void (*glBindFramebufferOES)(GLenum target, GLuint framebuffer); 234 void (*glDeleteFramebuffersOES)(GLsizei n, const GLuint* framebuffers); 235 void (*glGenFramebuffersOES)(GLsizei n, GLuint* framebuffers); 236 GLenum (*glCheckFramebufferStatusOES)(GLenum target); 237 void (*glFramebufferRenderbufferOES)(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer); 238 void (*glFramebufferTexture2DOES)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level); 239 void (*glGetFramebufferAttachmentParameterivOES)(GLenum target, GLenum attachment, GLenum pname, GLint* params); 240 void (*glGenerateMipmapOES)(GLenum target); 241 void (*glDrawBuffersEXT)(GLsizei n, const GLenum *bufs); 242 243 egl::Context *(*es2CreateContext)(const egl::Config *config, const egl::Context *shareContext, int clientVersion); 244 __eglMustCastToProperFunctionPointerType (*es2GetProcAddress)(const char *procname); 245 egl::Image *(*createBackBuffer)(int width, int height, const egl::Config *config); 246 egl::Image *(*createDepthStencil)(unsigned int width, unsigned int height, sw::Format format, int multiSampleDepth, bool discard); 247 sw::FrameBuffer *(*createFrameBuffer)(void *display, EGLNativeWindowType window, int width, int height); 248 }; 249 250 class LibGLESv2 251 { 252 public: LibGLESv2()253 LibGLESv2() 254 { 255 libGLESv2 = nullptr; 256 libGLESv2exports = nullptr; 257 } 258 ~LibGLESv2()259 ~LibGLESv2() 260 { 261 freeLibrary(libGLESv2); 262 } 263 operator bool()264 operator bool() 265 { 266 return loadExports() != nullptr; 267 } 268 operator ->()269 LibGLESv2exports *operator->() 270 { 271 return loadExports(); 272 } 273 274 private: loadExports()275 LibGLESv2exports *loadExports() 276 { 277 if(!libGLESv2) 278 { 279 #if defined(_WIN32) 280 #if defined(__LP64__) 281 const char *libGLESv2_lib[] = {"libGLESv2.dll", "lib64GLES_V2_translator.dll"}; 282 #else 283 const char *libGLESv2_lib[] = {"libGLESv2.dll", "libGLES_V2_translator.dll"}; 284 #endif 285 #elif defined(__ANDROID__) 286 #if defined(__LP64__) 287 const char *libGLESv2_lib[] = {"/vendor/lib64/egl/libGLESv2_swiftshader.so"}; 288 #else 289 const char *libGLESv2_lib[] = {"/vendor/lib/egl/libGLESv2_swiftshader.so"}; 290 #endif 291 #elif defined(__linux__) 292 #if defined(__LP64__) 293 const char *libGLESv2_lib[] = {"lib64GLES_V2_translator.so", "libGLESv2.so.2", "libGLESv2.so"}; 294 #else 295 const char *libGLESv2_lib[] = {"libGLES_V2_translator.so", "libGLESv2.so.2", "libGLESv2.so"}; 296 #endif 297 #elif defined(__APPLE__) 298 #if defined(__LP64__) 299 const char *libGLESv2_lib[] = {"lib64GLES_V2_translator.dylib", "libGLESv2.dylib"}; 300 #else 301 const char *libGLESv2_lib[] = {"libGLES_V2_translator.dylib", "libGLESv2.dylib"}; 302 #endif 303 #else 304 #error "libGLESv2::loadExports unimplemented for this platform" 305 #endif 306 307 libGLESv2 = loadLibrary(libGLESv2_lib, "libGLESv2_swiftshader"); 308 309 if(libGLESv2) 310 { 311 auto libGLESv2_swiftshader = (LibGLESv2exports *(*)())getProcAddress(libGLESv2, "libGLESv2_swiftshader"); 312 libGLESv2exports = libGLESv2_swiftshader(); 313 } 314 } 315 316 return libGLESv2exports; 317 } 318 319 void *libGLESv2; 320 LibGLESv2exports *libGLESv2exports; 321 }; 322 323 #endif // libGLESv2_hpp 324