const GrGLInterface* GrGLCreateMesaInterface() {
if (NULL != OSMesaGetCurrentContext()) {
GrGLGetStringProc getString = (GrGLGetStringProc) OSMesaGetProcAddress("glGetString");
const char* versionString = (const char*) getString(GL_VERSION);
const char* extString = (const char*) getString(GL_EXTENSIONS);
GrGLVersion glVer = GrGLGetVersionFromString(versionString);
if (glVer < GR_GL_VER(1,5)) {
// We must have array and element_array buffer objects.
return NULL;
}
GrGLInterface* interface = new GrGLInterface();
GR_GL_GET_PROC(ActiveTexture);
GR_GL_GET_PROC(BeginQuery);
GR_GL_GET_PROC(AttachShader);
GR_GL_GET_PROC(BindAttribLocation);
GR_GL_GET_PROC(BindBuffer);
GR_GL_GET_PROC(BindFragDataLocation);
GR_GL_GET_PROC(BindTexture);
GR_GL_GET_PROC(BlendColor);
GR_GL_GET_PROC(BlendFunc);
GR_GL_GET_PROC(BufferData);
GR_GL_GET_PROC(BufferSubData);
GR_GL_GET_PROC(Clear);
GR_GL_GET_PROC(ClearColor);
GR_GL_GET_PROC(ClearStencil);
GR_GL_GET_PROC(ColorMask);
GR_GL_GET_PROC(CompileShader);
GR_GL_GET_PROC(CompressedTexImage2D);
GR_GL_GET_PROC(CreateProgram);
GR_GL_GET_PROC(CreateShader);
GR_GL_GET_PROC(CullFace);
GR_GL_GET_PROC(DeleteBuffers);
GR_GL_GET_PROC(DeleteProgram);
GR_GL_GET_PROC(DeleteQueries);
GR_GL_GET_PROC(DeleteShader);
GR_GL_GET_PROC(DeleteTextures);
GR_GL_GET_PROC(DepthMask);
GR_GL_GET_PROC(Disable);
GR_GL_GET_PROC(DisableVertexAttribArray);
GR_GL_GET_PROC(DrawArrays);
GR_GL_GET_PROC(DrawBuffer);
GR_GL_GET_PROC(DrawBuffers);
GR_GL_GET_PROC(DrawElements);
GR_GL_GET_PROC(Enable);
GR_GL_GET_PROC(EnableVertexAttribArray);
GR_GL_GET_PROC(EndQuery);
GR_GL_GET_PROC(Finish);
GR_GL_GET_PROC(Flush);
GR_GL_GET_PROC(FrontFace);
GR_GL_GET_PROC(GenBuffers);
GR_GL_GET_PROC(GenQueries);
GR_GL_GET_PROC(GetBufferParameteriv);
GR_GL_GET_PROC(GetError);
GR_GL_GET_PROC(GetIntegerv);
GR_GL_GET_PROC(GetProgramInfoLog);
GR_GL_GET_PROC(GetProgramiv);
if (glVer >= GR_GL_VER(3,3) ||
GrGLHasExtensionFromString("GL_ARB_timer_query", extString)) {
GR_GL_GET_PROC(GetQueryObjecti64v);
GR_GL_GET_PROC(GetQueryObjectui64v)
GR_GL_GET_PROC(QueryCounter);
} else if (GrGLHasExtensionFromString("GL_EXT_timer_query", extString)) {
GR_GL_GET_PROC_SUFFIX(GetQueryObjecti64v, EXT);
GR_GL_GET_PROC_SUFFIX(GetQueryObjectui64v, EXT);
}
GR_GL_GET_PROC(GetQueryObjectiv);
GR_GL_GET_PROC(GetQueryObjectuiv);
GR_GL_GET_PROC(GetQueryiv);
GR_GL_GET_PROC(GetShaderInfoLog);
GR_GL_GET_PROC(GetShaderiv);
GR_GL_GET_PROC(GetString);
GR_GL_GET_PROC(GetTexLevelParameteriv);
GR_GL_GET_PROC(GenTextures);
GR_GL_GET_PROC(GetUniformLocation);
GR_GL_GET_PROC(LineWidth);
GR_GL_GET_PROC(LinkProgram);
GR_GL_GET_PROC(MapBuffer);
GR_GL_GET_PROC(PixelStorei);
GR_GL_GET_PROC(ReadBuffer);
GR_GL_GET_PROC(ReadPixels);
GR_GL_GET_PROC(Scissor);
GR_GL_GET_PROC(ShaderSource);
GR_GL_GET_PROC(StencilFunc);
GR_GL_GET_PROC(StencilFuncSeparate);
GR_GL_GET_PROC(StencilMask);
GR_GL_GET_PROC(StencilMaskSeparate);
GR_GL_GET_PROC(StencilOp);
GR_GL_GET_PROC(StencilOpSeparate);
GR_GL_GET_PROC(TexImage2D)
GR_GL_GET_PROC(TexParameteri);
GR_GL_GET_PROC(TexStorage2D);
if (NULL == interface->fTexStorage2D) {
GR_GL_GET_PROC_SUFFIX(TexStorage2D, EXT);
}
GR_GL_GET_PROC(TexSubImage2D);
GR_GL_GET_PROC(Uniform1f);
GR_GL_GET_PROC(Uniform1i);
GR_GL_GET_PROC(Uniform1fv);
GR_GL_GET_PROC(Uniform1iv);
GR_GL_GET_PROC(Uniform2f);
GR_GL_GET_PROC(Uniform2i);
GR_GL_GET_PROC(Uniform2fv);
GR_GL_GET_PROC(Uniform2iv);
GR_GL_GET_PROC(Uniform3f);
GR_GL_GET_PROC(Uniform3i);
GR_GL_GET_PROC(Uniform3fv);
GR_GL_GET_PROC(Uniform3iv);
GR_GL_GET_PROC(Uniform4f);
GR_GL_GET_PROC(Uniform4i);
GR_GL_GET_PROC(Uniform4fv);
GR_GL_GET_PROC(Uniform4iv);
GR_GL_GET_PROC(UniformMatrix2fv);
GR_GL_GET_PROC(UniformMatrix3fv);
GR_GL_GET_PROC(UniformMatrix4fv);
GR_GL_GET_PROC(UnmapBuffer);
GR_GL_GET_PROC(UseProgram);
GR_GL_GET_PROC(VertexAttrib4fv);
GR_GL_GET_PROC(VertexAttribPointer);
GR_GL_GET_PROC(Viewport);
// First look for GL3.0 FBO or GL_ARB_framebuffer_object (same since
// GL_ARB_framebuffer_object doesn't use ARB suffix.)
if (glVer >= GR_GL_VER(3,0) ||
GrGLHasExtensionFromString("GL_ARB_framebuffer_object",
extString)) {
GR_GL_GET_PROC(GenFramebuffers);
GR_GL_GET_PROC(GetFramebufferAttachmentParameteriv);
GR_GL_GET_PROC(GetRenderbufferParameteriv);
GR_GL_GET_PROC(BindFramebuffer);
GR_GL_GET_PROC(FramebufferTexture2D);
GR_GL_GET_PROC(CheckFramebufferStatus);
GR_GL_GET_PROC(DeleteFramebuffers);
GR_GL_GET_PROC(RenderbufferStorage);
GR_GL_GET_PROC(GenRenderbuffers);
GR_GL_GET_PROC(DeleteRenderbuffers);
GR_GL_GET_PROC(FramebufferRenderbuffer);
GR_GL_GET_PROC(BindRenderbuffer);
GR_GL_GET_PROC(RenderbufferStorageMultisample);
GR_GL_GET_PROC(BlitFramebuffer);
} else if (GrGLHasExtensionFromString("GL_EXT_framebuffer_object",
extString)) {
GR_GL_GET_PROC_SUFFIX(GenFramebuffers, EXT);
GR_GL_GET_PROC_SUFFIX(GetFramebufferAttachmentParameteriv, EXT);
GR_GL_GET_PROC_SUFFIX(GetRenderbufferParameteriv, EXT);
GR_GL_GET_PROC_SUFFIX(BindFramebuffer, EXT);
GR_GL_GET_PROC_SUFFIX(FramebufferTexture2D, EXT);
GR_GL_GET_PROC_SUFFIX(CheckFramebufferStatus, EXT);
GR_GL_GET_PROC_SUFFIX(DeleteFramebuffers, EXT);
GR_GL_GET_PROC_SUFFIX(RenderbufferStorage, EXT);
GR_GL_GET_PROC_SUFFIX(GenRenderbuffers, EXT);
GR_GL_GET_PROC_SUFFIX(DeleteRenderbuffers, EXT);
GR_GL_GET_PROC_SUFFIX(FramebufferRenderbuffer, EXT);
GR_GL_GET_PROC_SUFFIX(BindRenderbuffer, EXT);
if (GrGLHasExtensionFromString("GL_EXT_framebuffer_multisample",
extString)) {
GR_GL_GET_PROC_SUFFIX(RenderbufferStorageMultisample, EXT);
}
if (GrGLHasExtensionFromString("GL_EXT_framebuffer_blit",
extString)) {
GR_GL_GET_PROC_SUFFIX(BlitFramebuffer, EXT);
}
} else {
// we must have FBOs
delete interface;
return NULL;
}
GR_GL_GET_PROC(BindFragDataLocationIndexed);
interface->fBindingsExported = kDesktop_GrGLBinding;
return interface;
} else {
return NULL;
}
}
void GrGLSetDefaultGLInterface() {
static GrGLInterface gDefaultInterface;
static bool gDefaultInterfaceInit;
if (!gDefaultInterfaceInit && NULL != OSMesaGetCurrentContext()) {
int major, minor;
const char* versionString = (const char*) glGetString(GL_VERSION);
const char* extString = (const char*) glGetString(GL_EXTENSIONS);
gl_version_from_string(&major, &minor, versionString);
if (major == 1 && minor < 5) {
// We must have array and element_array buffer objects.
return;
}
gDefaultInterface.fActiveTexture = glActiveTexture;
GR_GL_GET_PROC(AttachShader);
GR_GL_GET_PROC(BindAttribLocation);
GR_GL_GET_PROC(BindBuffer);
gDefaultInterface.fBindTexture = glBindTexture;
gDefaultInterface.fBlendColor = glBlendColor;
gDefaultInterface.fBlendFunc = glBlendFunc;
GR_GL_GET_PROC(BufferData);
GR_GL_GET_PROC(BufferSubData);
gDefaultInterface.fClear = glClear;
gDefaultInterface.fClearColor = glClearColor;
gDefaultInterface.fClearStencil = glClearStencil;
gDefaultInterface.fClientActiveTexture = glClientActiveTexture;
gDefaultInterface.fColorMask = glColorMask;
gDefaultInterface.fColorPointer = glColorPointer;
gDefaultInterface.fColor4ub = glColor4ub;
GR_GL_GET_PROC(CompileShader);
gDefaultInterface.fCompressedTexImage2D = glCompressedTexImage2D;
GR_GL_GET_PROC(CreateProgram);
GR_GL_GET_PROC(CreateShader);
gDefaultInterface.fCullFace = glCullFace;
GR_GL_GET_PROC(DeleteBuffers);
GR_GL_GET_PROC(DeleteProgram);
GR_GL_GET_PROC(DeleteShader);
gDefaultInterface.fDeleteTextures = glDeleteTextures;
gDefaultInterface.fDepthMask = glDepthMask;
gDefaultInterface.fDisable = glDisable;
gDefaultInterface.fDisableClientState = glDisableClientState;
GR_GL_GET_PROC(DisableVertexAttribArray);
gDefaultInterface.fDrawArrays = glDrawArrays;
gDefaultInterface.fDrawElements = glDrawElements;
gDefaultInterface.fEnable = glEnable;
gDefaultInterface.fEnableClientState = glEnableClientState;
GR_GL_GET_PROC(EnableVertexAttribArray);
gDefaultInterface.fFrontFace = glFrontFace;
GR_GL_GET_PROC(GenBuffers);
GR_GL_GET_PROC(GetBufferParameteriv);
gDefaultInterface.fGetError = glGetError;
gDefaultInterface.fGetIntegerv = glGetIntegerv;
GR_GL_GET_PROC(GetProgramInfoLog);
GR_GL_GET_PROC(GetProgramiv);
GR_GL_GET_PROC(GetShaderInfoLog);
GR_GL_GET_PROC(GetShaderiv);
gDefaultInterface.fGetString = glGetString;
gDefaultInterface.fGenTextures = glGenTextures;
GR_GL_GET_PROC(GetUniformLocation);
gDefaultInterface.fLineWidth = glLineWidth;
GR_GL_GET_PROC(LinkProgram);
gDefaultInterface.fLoadMatrixf = glLoadMatrixf;
GR_GL_GET_PROC(MapBuffer);
gDefaultInterface.fMatrixMode = glMatrixMode;
gDefaultInterface.fPointSize = glPointSize;
gDefaultInterface.fPixelStorei = glPixelStorei;
gDefaultInterface.fReadPixels = glReadPixels;
gDefaultInterface.fScissor = glScissor;
gDefaultInterface.fShadeModel = glShadeModel;
GR_GL_GET_PROC(ShaderSource);
gDefaultInterface.fStencilFunc = glStencilFunc;
GR_GL_GET_PROC(StencilFuncSeparate);
gDefaultInterface.fStencilMask = glStencilMask;
GR_GL_GET_PROC(StencilMaskSeparate);
gDefaultInterface.fStencilOp = glStencilOp;
GR_GL_GET_PROC(StencilOpSeparate);
gDefaultInterface.fTexCoordPointer = glTexCoordPointer;
gDefaultInterface.fTexEnvi = glTexEnvi;
//OSMesa on Mac's glTexImage2D takes a GLenum for internalFormat rather than a GLint.
gDefaultInterface.fTexImage2D = reinterpret_cast<GrGLTexImage2DProc>(glTexImage2D);
gDefaultInterface.fTexParameteri = glTexParameteri;
gDefaultInterface.fTexSubImage2D = glTexSubImage2D;
GR_GL_GET_PROC(Uniform1f);
GR_GL_GET_PROC(Uniform1i);
GR_GL_GET_PROC(Uniform1fv);
GR_GL_GET_PROC(Uniform1iv);
GR_GL_GET_PROC(Uniform2f);
GR_GL_GET_PROC(Uniform2i);
GR_GL_GET_PROC(Uniform2fv);
GR_GL_GET_PROC(Uniform2iv);
GR_GL_GET_PROC(Uniform3f);
GR_GL_GET_PROC(Uniform3i);
GR_GL_GET_PROC(Uniform3fv);
GR_GL_GET_PROC(Uniform3iv);
GR_GL_GET_PROC(Uniform4f);
GR_GL_GET_PROC(Uniform4i);
GR_GL_GET_PROC(Uniform4fv);
GR_GL_GET_PROC(Uniform4iv);
GR_GL_GET_PROC(UniformMatrix2fv);
GR_GL_GET_PROC(UniformMatrix3fv);
GR_GL_GET_PROC(UniformMatrix4fv);
GR_GL_GET_PROC(UnmapBuffer);
GR_GL_GET_PROC(UseProgram);
GR_GL_GET_PROC(VertexAttrib4fv);
GR_GL_GET_PROC(VertexAttribPointer);
gDefaultInterface.fVertexPointer = glVertexPointer;
gDefaultInterface.fViewport = glViewport;
// First look for GL3.0 FBO or GL_ARB_framebuffer_object (same since
// GL_ARB_framebuffer_object doesn't use ARB suffix.)
if (major >= 3 || has_gl_extension_from_string(
"GL_ARB_framebuffer_object", extString)) {
GR_GL_GET_PROC(GenFramebuffers);
GR_GL_GET_PROC(BindFramebuffer);
GR_GL_GET_PROC(FramebufferTexture2D);
GR_GL_GET_PROC(CheckFramebufferStatus);
GR_GL_GET_PROC(DeleteFramebuffers);
GR_GL_GET_PROC(RenderbufferStorage);
GR_GL_GET_PROC(GenRenderbuffers);
GR_GL_GET_PROC(DeleteRenderbuffers);
GR_GL_GET_PROC(FramebufferRenderbuffer);
GR_GL_GET_PROC(BindRenderbuffer);
GR_GL_GET_PROC(RenderbufferStorageMultisample);
GR_GL_GET_PROC(BlitFramebuffer);
} else if (has_gl_extension_from_string("GL_EXT_framebuffer_object",
extString)) {
GR_GL_GET_PROC_SUFFIX(GenFramebuffers, EXT);
GR_GL_GET_PROC_SUFFIX(BindFramebuffer, EXT);
GR_GL_GET_PROC_SUFFIX(FramebufferTexture2D, EXT);
GR_GL_GET_PROC_SUFFIX(CheckFramebufferStatus, EXT);
GR_GL_GET_PROC_SUFFIX(DeleteFramebuffers, EXT);
GR_GL_GET_PROC_SUFFIX(RenderbufferStorage, EXT);
GR_GL_GET_PROC_SUFFIX(GenRenderbuffers, EXT);
GR_GL_GET_PROC_SUFFIX(DeleteRenderbuffers, EXT);
GR_GL_GET_PROC_SUFFIX(FramebufferRenderbuffer, EXT);
GR_GL_GET_PROC_SUFFIX(BindRenderbuffer, EXT);
if (has_gl_extension_from_string("GL_EXT_framebuffer_multisample",
extString)) {
GR_GL_GET_PROC_SUFFIX(RenderbufferStorageMultisample, EXT);
}
if (has_gl_extension_from_string("GL_EXT_framebuffer_blit",
extString)) {
GR_GL_GET_PROC_SUFFIX(BlitFramebuffer, EXT);
}
} else {
// we must have FBOs
return;
}
GR_GL_GET_PROC(BindFragDataLocationIndexed);
gDefaultInterface.fBindingsExported = kDesktop_GrGLBinding;
gDefaultInterfaceInit = true;
}
if (gDefaultInterfaceInit)
GrGLSetGLInterface(&gDefaultInterface);
}
const GrGLInterface* GrGLCreateNativeInterface() {
if (NULL != glXGetCurrentContext()) {
const char* versionString = (const char*) glGetString(GL_VERSION);
const char* extString = (const char*) glGetString(GL_EXTENSIONS);
GrGLVersion glVer = GrGLGetVersionFromString(versionString);
if (glVer < GR_GL_VER(1,5)) {
// We must have array and element_array buffer objects.
return NULL;
}
GrGLInterface* interface = new GrGLInterface();
interface->fActiveTexture = glActiveTexture;
GR_GL_GET_PROC(AttachShader);
GR_GL_GET_PROC(BindAttribLocation);
GR_GL_GET_PROC(BindBuffer);
GR_GL_GET_PROC(BindFragDataLocation);
GR_GL_GET_PROC(BeginQuery);
interface->fBindTexture = glBindTexture;
interface->fBlendFunc = glBlendFunc;
if (glVer >= GR_GL_VER(1,4) ||
GrGLHasExtensionFromString("GL_ARB_imaging", extString)) {
GR_GL_GET_PROC(BlendColor);
GR_GL_GET_PROC(BlendEquation);
} else {
if (GrGLHasExtensionFromString("GL_EXT_blend_color", extString)) {
GR_GL_GET_PROC_SUFFIX(BlendColor, EXT);
}
if (GrGLHasExtensionFromString("GL_EXT_blend_minmax", extString) ||
GrGLHasExtensionFromString("GL_EXT_blend_subtract", extString)) {
GR_GL_GET_PROC_SUFFIX(BlendEquation, EXT);
}
}
GR_GL_GET_PROC(BufferData);
GR_GL_GET_PROC(BufferSubData);
interface->fClear = glClear;
interface->fClearColor = glClearColor;
interface->fClearStencil = glClearStencil;
interface->fColorMask = glColorMask;
interface->fColorPointer = glColorPointer;
GR_GL_GET_PROC(CompileShader);
interface->fCompressedTexImage2D = glCompressedTexImage2D;
GR_GL_GET_PROC(CreateProgram);
GR_GL_GET_PROC(CreateShader);
interface->fCullFace = glCullFace;
GR_GL_GET_PROC(DeleteBuffers);
GR_GL_GET_PROC(DeleteProgram);
GR_GL_GET_PROC(DeleteQueries);
GR_GL_GET_PROC(DeleteShader);
interface->fDeleteTextures = glDeleteTextures;
interface->fDepthMask = glDepthMask;
interface->fDisable = glDisable;
GR_GL_GET_PROC(DisableVertexAttribArray);
interface->fDrawArrays = glDrawArrays;
interface->fDrawBuffer = glDrawBuffer;
GR_GL_GET_PROC(DrawBuffers);
interface->fDrawElements = glDrawElements;
interface->fEnable = glEnable;
GR_GL_GET_PROC(EnableVertexAttribArray);
GR_GL_GET_PROC(EndQuery);
interface->fFinish = glFinish;
interface->fFlush = glFlush;
interface->fFrontFace = glFrontFace;
GR_GL_GET_PROC(GenBuffers);
GR_GL_GET_PROC(GetBufferParameteriv);
interface->fGetError = glGetError;
interface->fGetIntegerv = glGetIntegerv;
GR_GL_GET_PROC(GetQueryObjectiv);
GR_GL_GET_PROC(GetQueryObjectuiv);
if (glVer >= GR_GL_VER(3,3) ||
GrGLHasExtensionFromString("GL_ARB_timer_query", extString)) {
GR_GL_GET_PROC(GetQueryObjecti64v);
GR_GL_GET_PROC(GetQueryObjectui64v);
GR_GL_GET_PROC(QueryCounter);
} else if (GrGLHasExtensionFromString("GL_EXT_timer_query", extString)) {
GR_GL_GET_PROC_SUFFIX(GetQueryObjecti64v, EXT);
GR_GL_GET_PROC_SUFFIX(GetQueryObjectui64v, EXT);
}
GR_GL_GET_PROC(GetQueryiv);
GR_GL_GET_PROC(GetProgramInfoLog);
GR_GL_GET_PROC(GetProgramiv);
GR_GL_GET_PROC(GetShaderInfoLog);
GR_GL_GET_PROC(GetShaderiv);
interface->fGetString = glGetString;
interface->fGetTexLevelParameteriv = glGetTexLevelParameteriv;
GR_GL_GET_PROC(GenQueries);
interface->fGenTextures = glGenTextures;
GR_GL_GET_PROC(GetUniformLocation);
interface->fLineWidth = glLineWidth;
GR_GL_GET_PROC(LinkProgram);
GR_GL_GET_PROC(MapBuffer);
interface->fPixelStorei = glPixelStorei;
interface->fReadBuffer = glReadBuffer;
interface->fReadPixels = glReadPixels;
if (GrGLHasExtensionFromString("GL_NV_framebuffer_multisample_coverage",
extString)) {
GR_GL_GET_PROC_SUFFIX(RenderbufferStorageMultisampleCoverage, NV);
}
interface->fScissor = glScissor;
GR_GL_GET_PROC(ShaderSource);
interface->fStencilFunc = glStencilFunc;
GR_GL_GET_PROC(StencilFuncSeparate);
interface->fStencilMask = glStencilMask;
GR_GL_GET_PROC(StencilMaskSeparate);
interface->fStencilOp = glStencilOp;
GR_GL_GET_PROC(StencilOpSeparate);
interface->fTexImage2D = glTexImage2D;
interface->fTexParameteri = glTexParameteri;
if (glVer >= GR_GL_VER(4,2) ||
GrGLHasExtensionFromString("GL_ARB_texture_storage", extString)) {
GR_GL_GET_PROC(TexStorage2D);
} else if (GrGLHasExtensionFromString("GL_EXT_texture_storage", extString)) {
GR_GL_GET_PROC_SUFFIX(TexStorage2D, EXT);
}
interface->fTexSubImage2D = glTexSubImage2D;
GR_GL_GET_PROC(Uniform1f);
GR_GL_GET_PROC(Uniform1i);
GR_GL_GET_PROC(Uniform1fv);
GR_GL_GET_PROC(Uniform1iv);
GR_GL_GET_PROC(Uniform2f);
GR_GL_GET_PROC(Uniform2i);
GR_GL_GET_PROC(Uniform2fv);
GR_GL_GET_PROC(Uniform2iv);
GR_GL_GET_PROC(Uniform3f);
GR_GL_GET_PROC(Uniform3i);
GR_GL_GET_PROC(Uniform3fv);
GR_GL_GET_PROC(Uniform3iv);
GR_GL_GET_PROC(Uniform4f);
GR_GL_GET_PROC(Uniform4i);
GR_GL_GET_PROC(Uniform4fv);
GR_GL_GET_PROC(Uniform4iv);
GR_GL_GET_PROC(UniformMatrix2fv);
GR_GL_GET_PROC(UniformMatrix3fv);
GR_GL_GET_PROC(UniformMatrix4fv);
GR_GL_GET_PROC(UnmapBuffer);
GR_GL_GET_PROC(UseProgram);
GR_GL_GET_PROC(VertexAttrib4fv);
GR_GL_GET_PROC(VertexAttribPointer);
interface->fViewport = glViewport;
GR_GL_GET_PROC(BindFragDataLocationIndexed);
// First look for GL3.0 FBO or GL_ARB_framebuffer_object (same since
// GL_ARB_framebuffer_object doesn't use ARB suffix.)
if (glVer >= GR_GL_VER(3,0) ||
GrGLHasExtensionFromString("GL_ARB_framebuffer_object",
extString)) {
GR_GL_GET_PROC(GenFramebuffers);
GR_GL_GET_PROC(GetFramebufferAttachmentParameteriv);
GR_GL_GET_PROC(GetRenderbufferParameteriv);
GR_GL_GET_PROC(BindFramebuffer);
GR_GL_GET_PROC(FramebufferTexture2D);
GR_GL_GET_PROC(CheckFramebufferStatus);
GR_GL_GET_PROC(DeleteFramebuffers);
GR_GL_GET_PROC(RenderbufferStorage);
GR_GL_GET_PROC(GenRenderbuffers);
GR_GL_GET_PROC(DeleteRenderbuffers);
GR_GL_GET_PROC(FramebufferRenderbuffer);
GR_GL_GET_PROC(BindRenderbuffer);
GR_GL_GET_PROC(RenderbufferStorageMultisample);
GR_GL_GET_PROC(BlitFramebuffer);
} else if (GrGLHasExtensionFromString("GL_EXT_framebuffer_object",
extString)) {
GR_GL_GET_PROC_SUFFIX(GenFramebuffers, EXT);
GR_GL_GET_PROC_SUFFIX(GetFramebufferAttachmentParameteriv, EXT);
GR_GL_GET_PROC_SUFFIX(GetRenderbufferParameteriv, EXT);
GR_GL_GET_PROC_SUFFIX(BindFramebuffer, EXT);
GR_GL_GET_PROC_SUFFIX(FramebufferTexture2D, EXT);
GR_GL_GET_PROC_SUFFIX(CheckFramebufferStatus, EXT);
GR_GL_GET_PROC_SUFFIX(DeleteFramebuffers, EXT);
GR_GL_GET_PROC_SUFFIX(RenderbufferStorage, EXT);
GR_GL_GET_PROC_SUFFIX(GenRenderbuffers, EXT);
GR_GL_GET_PROC_SUFFIX(DeleteRenderbuffers, EXT);
GR_GL_GET_PROC_SUFFIX(FramebufferRenderbuffer, EXT);
GR_GL_GET_PROC_SUFFIX(BindRenderbuffer, EXT);
if (GrGLHasExtensionFromString("GL_EXT_framebuffer_multisample",
extString)) {
GR_GL_GET_PROC_SUFFIX(RenderbufferStorageMultisample, EXT);
}
if (GrGLHasExtensionFromString("GL_EXT_framebuffer_blit",
extString)) {
GR_GL_GET_PROC_SUFFIX(BlitFramebuffer, EXT);
}
} else {
// we must have FBOs
delete interface;
return NULL;
}
interface->fBindingsExported = kDesktop_GrGLBinding;
return interface;
} else {
return NULL;
}
}
const GrGLInterface* GrGLCreateNativeInterface() {
if (NULL != glXGetCurrentContext()) {
const char* versionString = (const char*) glGetString(GL_VERSION);
GrGLVersion glVer = GrGLGetVersionFromString(versionString);
// This may or may not succeed depending on the gl version.
GrGLGetStringiProc glGetStringi =
(GrGLGetStringiProc) glXGetProcAddress(reinterpret_cast<const GLubyte*>("glGetStringi"));
GrGLExtensions extensions;
if (!extensions.init(kGL_GrGLStandard, glGetString, glGetStringi, glGetIntegerv)) {
return NULL;
}
if (glVer < GR_GL_VER(1,5)) {
// We must have array and element_array buffer objects.
return NULL;
}
GrGLInterface* interface = SkNEW(GrGLInterface());
interface->fActiveTexture = glActiveTexture;
GR_GL_GET_PROC(AttachShader);
GR_GL_GET_PROC(BindAttribLocation);
GR_GL_GET_PROC(BindBuffer);
GR_GL_GET_PROC(BindFragDataLocation);
GR_GL_GET_PROC(BeginQuery);
interface->fBindTexture = glBindTexture;
interface->fBlendFunc = glBlendFunc;
if (glVer >= GR_GL_VER(1,4) ||
extensions.has("GL_ARB_imaging") ||
extensions.has("GL_EXT_blend_color")) {
GR_GL_GET_PROC(BlendColor);
}
GR_GL_GET_PROC(BufferData);
GR_GL_GET_PROC(BufferSubData);
interface->fClear = glClear;
interface->fClearColor = glClearColor;
interface->fClearStencil = glClearStencil;
interface->fClientActiveTexture = glClientActiveTexture;
interface->fColorMask = glColorMask;
GR_GL_GET_PROC(CompileShader);
interface->fCompressedTexImage2D = glCompressedTexImage2D;
interface->fCopyTexSubImage2D = glCopyTexSubImage2D;
GR_GL_GET_PROC(CreateProgram);
GR_GL_GET_PROC(CreateShader);
interface->fCullFace = glCullFace;
GR_GL_GET_PROC(DeleteBuffers);
GR_GL_GET_PROC(DeleteProgram);
GR_GL_GET_PROC(DeleteQueries);
GR_GL_GET_PROC(DeleteShader);
interface->fDeleteTextures = glDeleteTextures;
interface->fDepthMask = glDepthMask;
interface->fDisable = glDisable;
interface->fDisableClientState = glDisableClientState;
GR_GL_GET_PROC(DisableVertexAttribArray);
interface->fDrawArrays = glDrawArrays;
interface->fDrawBuffer = glDrawBuffer;
GR_GL_GET_PROC(DrawBuffers);
interface->fDrawElements = glDrawElements;
interface->fEnable = glEnable;
interface->fEnableClientState = glEnableClientState;
GR_GL_GET_PROC(EnableVertexAttribArray);
GR_GL_GET_PROC(EndQuery);
interface->fFinish = glFinish;
interface->fFlush = glFlush;
interface->fFrontFace = glFrontFace;
GR_GL_GET_PROC(GenBuffers);
GR_GL_GET_PROC(GenerateMipmap);
GR_GL_GET_PROC(GetBufferParameteriv);
interface->fGetError = glGetError;
interface->fGetIntegerv = glGetIntegerv;
GR_GL_GET_PROC(GetQueryObjectiv);
GR_GL_GET_PROC(GetQueryObjectuiv);
if (glVer >= GR_GL_VER(3,3) || extensions.has("GL_ARB_timer_query")) {
GR_GL_GET_PROC(GetQueryObjecti64v);
GR_GL_GET_PROC(GetQueryObjectui64v);
GR_GL_GET_PROC(QueryCounter);
} else if (extensions.has("GL_EXT_timer_query")) {
GR_GL_GET_PROC_SUFFIX(GetQueryObjecti64v, EXT);
GR_GL_GET_PROC_SUFFIX(GetQueryObjectui64v, EXT);
}
GR_GL_GET_PROC(GetQueryiv);
GR_GL_GET_PROC(GetProgramInfoLog);
GR_GL_GET_PROC(GetProgramiv);
GR_GL_GET_PROC(GetShaderInfoLog);
GR_GL_GET_PROC(GetShaderiv);
interface->fGetString = glGetString;
GR_GL_GET_PROC(GetStringi);
interface->fGetTexLevelParameteriv = glGetTexLevelParameteriv;
GR_GL_GET_PROC(GenQueries);
interface->fGenTextures = glGenTextures;
GR_GL_GET_PROC(GetUniformLocation);
interface->fLineWidth = glLineWidth;
GR_GL_GET_PROC(LinkProgram);
GR_GL_GET_PROC(MapBuffer);
interface->fPixelStorei = glPixelStorei;
interface->fReadBuffer = glReadBuffer;
interface->fReadPixels = glReadPixels;
interface->fScissor = glScissor;
GR_GL_GET_PROC(ShaderSource);
interface->fStencilFunc = glStencilFunc;
GR_GL_GET_PROC(StencilFuncSeparate);
interface->fStencilMask = glStencilMask;
GR_GL_GET_PROC(StencilMaskSeparate);
interface->fStencilOp = glStencilOp;
GR_GL_GET_PROC(StencilOpSeparate);
interface->fTexImage2D = glTexImage2D;
interface->fTexGenf = glTexGenf;
interface->fTexGenfv = glTexGenfv;
interface->fTexGeni = glTexGeni;
interface->fTexParameteri = glTexParameteri;
interface->fTexParameteriv = glTexParameteriv;
if (glVer >= GR_GL_VER(4,2) || extensions.has("GL_ARB_texture_storage")) {
GR_GL_GET_PROC(TexStorage2D);
} else if (extensions.has("GL_EXT_texture_storage")) {
GR_GL_GET_PROC_SUFFIX(TexStorage2D, EXT);
}
interface->fTexSubImage2D = glTexSubImage2D;
GR_GL_GET_PROC(Uniform1f);
GR_GL_GET_PROC(Uniform1i);
GR_GL_GET_PROC(Uniform1fv);
GR_GL_GET_PROC(Uniform1iv);
GR_GL_GET_PROC(Uniform2f);
GR_GL_GET_PROC(Uniform2i);
GR_GL_GET_PROC(Uniform2fv);
GR_GL_GET_PROC(Uniform2iv);
GR_GL_GET_PROC(Uniform3f);
GR_GL_GET_PROC(Uniform3i);
GR_GL_GET_PROC(Uniform3fv);
GR_GL_GET_PROC(Uniform3iv);
GR_GL_GET_PROC(Uniform4f);
GR_GL_GET_PROC(Uniform4i);
GR_GL_GET_PROC(Uniform4fv);
GR_GL_GET_PROC(Uniform4iv);
GR_GL_GET_PROC(UniformMatrix2fv);
GR_GL_GET_PROC(UniformMatrix3fv);
GR_GL_GET_PROC(UniformMatrix4fv);
GR_GL_GET_PROC(UnmapBuffer);
GR_GL_GET_PROC(UseProgram);
GR_GL_GET_PROC(VertexAttrib4fv);
GR_GL_GET_PROC(VertexAttribPointer);
GR_GL_GET_PROC(VertexPointer);
interface->fViewport = glViewport;
GR_GL_GET_PROC(BindFragDataLocationIndexed);
if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_vertex_array_object")) {
// no ARB suffix for GL_ARB_vertex_array_object
GR_GL_GET_PROC(BindVertexArray);
GR_GL_GET_PROC(GenVertexArrays);
GR_GL_GET_PROC(DeleteVertexArrays);
}
// First look for GL3.0 FBO or GL_ARB_framebuffer_object (same since
// GL_ARB_framebuffer_object doesn't use ARB suffix.)
if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_framebuffer_object")) {
GR_GL_GET_PROC(GenFramebuffers);
GR_GL_GET_PROC(GetFramebufferAttachmentParameteriv);
GR_GL_GET_PROC(GetRenderbufferParameteriv);
GR_GL_GET_PROC(BindFramebuffer);
GR_GL_GET_PROC(FramebufferTexture2D);
GR_GL_GET_PROC(CheckFramebufferStatus);
GR_GL_GET_PROC(DeleteFramebuffers);
GR_GL_GET_PROC(RenderbufferStorage);
GR_GL_GET_PROC(GenRenderbuffers);
GR_GL_GET_PROC(DeleteRenderbuffers);
GR_GL_GET_PROC(FramebufferRenderbuffer);
GR_GL_GET_PROC(BindRenderbuffer);
GR_GL_GET_PROC(RenderbufferStorageMultisample);
GR_GL_GET_PROC(BlitFramebuffer);
} else if (extensions.has("GL_EXT_framebuffer_object")) {
GR_GL_GET_PROC_SUFFIX(GenFramebuffers, EXT);
GR_GL_GET_PROC_SUFFIX(GetFramebufferAttachmentParameteriv, EXT);
GR_GL_GET_PROC_SUFFIX(GetRenderbufferParameteriv, EXT);
GR_GL_GET_PROC_SUFFIX(BindFramebuffer, EXT);
GR_GL_GET_PROC_SUFFIX(FramebufferTexture2D, EXT);
GR_GL_GET_PROC_SUFFIX(CheckFramebufferStatus, EXT);
GR_GL_GET_PROC_SUFFIX(DeleteFramebuffers, EXT);
GR_GL_GET_PROC_SUFFIX(RenderbufferStorage, EXT);
GR_GL_GET_PROC_SUFFIX(GenRenderbuffers, EXT);
GR_GL_GET_PROC_SUFFIX(DeleteRenderbuffers, EXT);
GR_GL_GET_PROC_SUFFIX(FramebufferRenderbuffer, EXT);
GR_GL_GET_PROC_SUFFIX(BindRenderbuffer, EXT);
if (extensions.has("GL_EXT_framebuffer_multisample")) {
GR_GL_GET_PROC_SUFFIX(RenderbufferStorageMultisample, EXT);
}
if (extensions.has("GL_EXT_framebuffer_blit")) {
GR_GL_GET_PROC_SUFFIX(BlitFramebuffer, EXT);
}
} else {
// we must have FBOs
delete interface;
return NULL;
}
GR_GL_GET_PROC(LoadIdentity);
GR_GL_GET_PROC(LoadMatrixf);
GR_GL_GET_PROC(MatrixMode);
if (extensions.has("GL_NV_path_rendering")) {
GR_GL_GET_PROC_SUFFIX(PathCommands, NV);
GR_GL_GET_PROC_SUFFIX(PathCoords, NV);
GR_GL_GET_PROC_SUFFIX(PathSubCommands, NV);
GR_GL_GET_PROC_SUFFIX(PathSubCoords, NV);
GR_GL_GET_PROC_SUFFIX(PathString, NV);
GR_GL_GET_PROC_SUFFIX(PathGlyphs, NV);
GR_GL_GET_PROC_SUFFIX(PathGlyphRange, NV);
GR_GL_GET_PROC_SUFFIX(WeightPaths, NV);
GR_GL_GET_PROC_SUFFIX(CopyPath, NV);
GR_GL_GET_PROC_SUFFIX(InterpolatePaths, NV);
GR_GL_GET_PROC_SUFFIX(TransformPath, NV);
GR_GL_GET_PROC_SUFFIX(PathParameteriv, NV);
GR_GL_GET_PROC_SUFFIX(PathParameteri, NV);
GR_GL_GET_PROC_SUFFIX(PathParameterfv, NV);
GR_GL_GET_PROC_SUFFIX(PathParameterf, NV);
GR_GL_GET_PROC_SUFFIX(PathDashArray, NV);
GR_GL_GET_PROC_SUFFIX(GenPaths, NV);
GR_GL_GET_PROC_SUFFIX(DeletePaths, NV);
GR_GL_GET_PROC_SUFFIX(IsPath, NV);
GR_GL_GET_PROC_SUFFIX(PathStencilFunc, NV);
GR_GL_GET_PROC_SUFFIX(PathStencilDepthOffset, NV);
GR_GL_GET_PROC_SUFFIX(StencilFillPath, NV);
GR_GL_GET_PROC_SUFFIX(StencilStrokePath, NV);
GR_GL_GET_PROC_SUFFIX(StencilFillPathInstanced, NV);
GR_GL_GET_PROC_SUFFIX(StencilStrokePathInstanced, NV);
GR_GL_GET_PROC_SUFFIX(PathCoverDepthFunc, NV);
GR_GL_GET_PROC_SUFFIX(PathColorGen, NV);
GR_GL_GET_PROC_SUFFIX(PathTexGen, NV);
GR_GL_GET_PROC_SUFFIX(PathFogGen, NV);
GR_GL_GET_PROC_SUFFIX(CoverFillPath, NV);
GR_GL_GET_PROC_SUFFIX(CoverStrokePath, NV);
GR_GL_GET_PROC_SUFFIX(CoverFillPathInstanced, NV);
GR_GL_GET_PROC_SUFFIX(CoverStrokePathInstanced, NV);
GR_GL_GET_PROC_SUFFIX(GetPathParameteriv, NV);
GR_GL_GET_PROC_SUFFIX(GetPathParameterfv, NV);
GR_GL_GET_PROC_SUFFIX(GetPathCommands, NV);
GR_GL_GET_PROC_SUFFIX(GetPathCoords, NV);
GR_GL_GET_PROC_SUFFIX(GetPathDashArray, NV);
GR_GL_GET_PROC_SUFFIX(GetPathMetrics, NV);
GR_GL_GET_PROC_SUFFIX(GetPathMetricRange, NV);
GR_GL_GET_PROC_SUFFIX(GetPathSpacing, NV);
GR_GL_GET_PROC_SUFFIX(GetPathColorGeniv, NV);
GR_GL_GET_PROC_SUFFIX(GetPathColorGenfv, NV);
GR_GL_GET_PROC_SUFFIX(GetPathTexGeniv, NV);
GR_GL_GET_PROC_SUFFIX(GetPathTexGenfv, NV);
GR_GL_GET_PROC_SUFFIX(IsPointInFillPath, NV);
GR_GL_GET_PROC_SUFFIX(IsPointInStrokePath, NV);
GR_GL_GET_PROC_SUFFIX(GetPathLength, NV);
GR_GL_GET_PROC_SUFFIX(PointAlongPath, NV);
}
interface->fStandard = kGL_GrGLStandard;
return interface;
} else {
return NULL;
}
}
