"""GL definitions converted to Python by codegen/createglapi.py. THIS CODE IS AUTO-GENERATED. DO NOT EDIT. Proxy API for GL ES 2.0 subset, via the PyOpenGL library. """ import ctypes from OpenGL import GL import OpenGL.GL.framebufferobjects as FBO def glBindAttribLocation(program, index, name): name = name.encode('utf-8') return GL.glBindAttribLocation(program, index, name) def glBufferData(target, data, usage): """Data can be numpy array or the size of data to allocate.""" if isinstance(data, int): size = data data = None else: size = data.nbytes GL.glBufferData(target, size, data, usage) def glBufferSubData(target, offset, data): size = data.nbytes GL.glBufferSubData(target, offset, size, data) def glCompressedTexImage2D(target, level, internalformat, width, height, border, data): # border = 0 # set in args size = data.size GL.glCompressedTexImage2D(target, level, internalformat, width, height, border, size, data) def glCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, data): size = data.size GL.glCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, size, data) def glDeleteBuffer(buffer): GL.glDeleteBuffers(1, [buffer]) def glDeleteFramebuffer(framebuffer): FBO.glDeleteFramebuffers(1, [framebuffer]) def glDeleteRenderbuffer(renderbuffer): FBO.glDeleteRenderbuffers(1, [renderbuffer]) def glDeleteTexture(texture): GL.glDeleteTextures([texture]) def glDrawElements(mode, count, type, offset): if offset is None: offset = ctypes.c_void_p(0) elif isinstance(offset, (int, ctypes.c_int)): offset = ctypes.c_void_p(int(offset)) return GL.glDrawElements(mode, count, type, offset) def glCreateBuffer(): return GL.glGenBuffers(1) def glCreateFramebuffer(): return FBO.glGenFramebuffers(1) def glCreateRenderbuffer(): return FBO.glGenRenderbuffers(1) def glCreateTexture(): return GL.glGenTextures(1) def glGetActiveAttrib(program, index): bufsize = 256 name, size, type = GL.glGetActiveAttrib(program, index, bufSize=bufsize) return name.decode('utf-8'), size, type def glGetActiveUniform(program, index): name, size, type = GL.glGetActiveUniform(program, index) return name.decode('utf-8'), size, type def glGetAttribLocation(program, name): name = name.encode('utf-8') return GL.glGetAttribLocation(program, name) def glGetFramebufferAttachmentParameter(target, attachment, pname): d = -2**31 # smallest 32bit integer params = (ctypes.c_int*1)(d) FBO.glGetFramebufferAttachmentParameteriv(target, attachment, pname, params) return params[0] def glGetProgramInfoLog(program): res = GL.glGetProgramInfoLog(program) return res.decode('utf-8') if isinstance(res, bytes) else res def glGetRenderbufferParameter(target, pname): d = -2**31 # smallest 32bit integer params = (ctypes.c_int*1)(d) FBO.glGetRenderbufferParameteriv(target, pname, params) return params[0] def glGetShaderInfoLog(shader): res = GL.glGetShaderInfoLog(shader) return res.decode('utf-8') if isinstance(res, bytes) else res def glGetShaderSource(shader): res = GL.glGetShaderSource(shader) return res.decode('utf-8') def glGetParameter(pname): if pname in [33902, 33901, 32773, 3106, 2931, 2928, 2849, 32824, 10752, 32938]: # GL_ALIASED_LINE_WIDTH_RANGE GL_ALIASED_POINT_SIZE_RANGE # GL_BLEND_COLOR GL_COLOR_CLEAR_VALUE GL_DEPTH_CLEAR_VALUE # GL_DEPTH_RANGE GL_LINE_WIDTH GL_POLYGON_OFFSET_FACTOR # GL_POLYGON_OFFSET_UNITS GL_SAMPLE_COVERAGE_VALUE return GL.glGetFloatv(pname) elif pname in [7936, 7937, 7938, 35724, 7939]: # GL_VENDOR, GL_RENDERER, GL_VERSION, GL_SHADING_LANGUAGE_VERSION, # GL_EXTENSIONS are strings pass # string handled below else: return GL.glGetIntegerv(pname) res = GL.glGetString(pname) return res.decode('utf-8') def glGetUniform(program, location): n = 16 d = float('Inf') params = (ctypes.c_float*n)(*[d for i in range(n)]) GL.glGetUniformfv(program, location, params) params = [p for p in params if p!=d] if len(params) == 1: return params[0] else: return tuple(params) def glGetUniformLocation(program, name): name = name.encode('utf-8') return GL.glGetUniformLocation(program, name) def glGetVertexAttrib(index, pname): # From PyOpenGL v3.1.0 the glGetVertexAttribfv(index, pname) does # work, but it always returns 4 values, with zeros in the empty # spaces. We have no way to tell whether they are empty or genuine # zeros. Fortunately, pyopengl also supports the old syntax. n = 4 d = float('Inf') params = (ctypes.c_float*n)(*[d for i in range(n)]) GL.glGetVertexAttribfv(index, pname, params) params = [p for p in params if p!=d] if len(params) == 1: return params[0] else: return tuple(params) def glGetVertexAttribOffset(index, pname): try: # maybe the fixed it return GL.glGetVertexAttribPointerv(index, pname) except TypeError: pointer = (ctypes.c_void_p*1)() GL.glGetVertexAttribPointerv(index, pname, pointer) return pointer[0] or 0 def glShaderSource(shader, source): # Some implementation do not like getting a list of single chars if isinstance(source, (tuple, list)): strings = [s for s in source] else: strings = [source] GL.glShaderSource(shader, strings) def glTexImage2D(target, level, internalformat, format, type, pixels): border = 0 if isinstance(pixels, (tuple, list)): height, width = pixels pixels = None else: height, width = pixels.shape[:2] GL.glTexImage2D(target, level, internalformat, width, height, border, format, type, pixels) def glTexSubImage2D(target, level, xoffset, yoffset, format, type, pixels): height, width = pixels.shape[:2] GL.glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels) def glVertexAttribPointer(indx, size, type, normalized, stride, offset): if offset is None: offset = ctypes.c_void_p(0) elif isinstance(offset, (int, ctypes.c_int)): offset = ctypes.c_void_p(int(offset)) return GL.glVertexAttribPointer(indx, size, type, normalized, stride, offset) # List of functions that we should import from OpenGL.GL _functions_to_import = [ ("glActiveTexture", "glActiveTexture"), ("glAttachShader", "glAttachShader"), ("glBindBuffer", "glBindBuffer"), ("glBindFramebuffer", "glBindFramebuffer"), ("glBindRenderbuffer", "glBindRenderbuffer"), ("glBindTexture", "glBindTexture"), ("glBlendColor", "glBlendColor"), ("glBlendEquation", "glBlendEquation"), ("glBlendEquationSeparate", "glBlendEquationSeparate"), ("glBlendFunc", "glBlendFunc"), ("glBlendFuncSeparate", "glBlendFuncSeparate"), ("glCheckFramebufferStatus", "glCheckFramebufferStatus"), ("glClear", "glClear"), ("glClearColor", "glClearColor"), ("glClearDepthf", "glClearDepth"), ("glClearStencil", "glClearStencil"), ("glColorMask", "glColorMask"), ("glCompileShader", "glCompileShader"), ("glCopyTexImage2D", "glCopyTexImage2D"), ("glCopyTexSubImage2D", "glCopyTexSubImage2D"), ("glCreateProgram", "glCreateProgram"), ("glCreateShader", "glCreateShader"), ("glCullFace", "glCullFace"), ("glDeleteProgram", "glDeleteProgram"), ("glDeleteShader", "glDeleteShader"), ("glDepthFunc", "glDepthFunc"), ("glDepthMask", "glDepthMask"), ("glDepthRangef", "glDepthRange"), ("glDetachShader", "glDetachShader"), ("glDisable", "glDisable"), ("glDisableVertexAttribArray", "glDisableVertexAttribArray"), ("glDrawArrays", "glDrawArrays"), ("glEnable", "glEnable"), ("glEnableVertexAttribArray", "glEnableVertexAttribArray"), ("glFinish", "glFinish"), ("glFlush", "glFlush"), ("glFramebufferRenderbuffer", "glFramebufferRenderbuffer"), ("glFramebufferTexture2D", "glFramebufferTexture2D"), ("glFrontFace", "glFrontFace"), ("glGenerateMipmap", "glGenerateMipmap"), ("glGetAttachedShaders", "glGetAttachedShaders"), ("glGetBooleanv", "_glGetBooleanv"), ("glGetBufferParameteriv", "glGetBufferParameter"), ("glGetError", "glGetError"), ("glGetFloatv", "_glGetFloatv"), ("glGetIntegerv", "_glGetIntegerv"), ("glGetProgramiv", "glGetProgramParameter"), ("glGetShaderPrecisionFormat", "glGetShaderPrecisionFormat"), ("glGetShaderiv", "glGetShaderParameter"), ("glGetTexParameterfv", "glGetTexParameter"), ("glHint", "glHint"), ("glIsBuffer", "glIsBuffer"), ("glIsEnabled", "glIsEnabled"), ("glIsFramebuffer", "glIsFramebuffer"), ("glIsProgram", "glIsProgram"), ("glIsRenderbuffer", "glIsRenderbuffer"), ("glIsShader", "glIsShader"), ("glIsTexture", "glIsTexture"), ("glLineWidth", "glLineWidth"), ("glLinkProgram", "glLinkProgram"), ("glPixelStorei", "glPixelStorei"), ("glPolygonOffset", "glPolygonOffset"), ("glReadPixels", "glReadPixels"), ("glRenderbufferStorage", "glRenderbufferStorage"), ("glSampleCoverage", "glSampleCoverage"), ("glScissor", "glScissor"), ("glStencilFunc", "glStencilFunc"), ("glStencilFuncSeparate", "glStencilFuncSeparate"), ("glStencilMask", "glStencilMask"), ("glStencilMaskSeparate", "glStencilMaskSeparate"), ("glStencilOp", "glStencilOp"), ("glStencilOpSeparate", "glStencilOpSeparate"), ("glTexParameterf", "glTexParameterf"), ("glTexParameteri", "glTexParameteri"), ("glUniform1f", "glUniform1f"), ("glUniform2f", "glUniform2f"), ("glUniform3f", "glUniform3f"), ("glUniform4f", "glUniform4f"), ("glUniform1i", "glUniform1i"), ("glUniform2i", "glUniform2i"), ("glUniform3i", "glUniform3i"), ("glUniform4i", "glUniform4i"), ("glUniform1fv", "glUniform1fv"), ("glUniform2fv", "glUniform2fv"), ("glUniform3fv", "glUniform3fv"), ("glUniform4fv", "glUniform4fv"), ("glUniform1iv", "glUniform1iv"), ("glUniform2iv", "glUniform2iv"), ("glUniform3iv", "glUniform3iv"), ("glUniform4iv", "glUniform4iv"), ("glUniformMatrix2fv", "glUniformMatrix2fv"), ("glUniformMatrix3fv", "glUniformMatrix3fv"), ("glUniformMatrix4fv", "glUniformMatrix4fv"), ("glUseProgram", "glUseProgram"), ("glValidateProgram", "glValidateProgram"), ("glVertexAttrib1f", "glVertexAttrib1f"), ("glVertexAttrib2f", "glVertexAttrib2f"), ("glVertexAttrib3f", "glVertexAttrib3f"), ("glVertexAttrib4f", "glVertexAttrib4f"), ("glViewport", "glViewport"), ] # List of functions in OpenGL.GL that we use _used_functions = [ "glBindAttribLocation", "glBufferData", "glBufferSubData", "glCompressedTexImage2D", "glCompressedTexSubImage2D", "glDeleteBuffers", "glDeleteFramebuffers", "glDeleteRenderbuffers", "glDeleteTextures", "glDrawElements", "glGenBuffers", "glGenFramebuffers", "glGenRenderbuffers", "glGenTextures", "glGetActiveAttrib", "glGetActiveUniform", "glGetAttribLocation", "glGetFramebufferAttachmentParameteriv", "glGetProgramInfoLog", "glGetRenderbufferParameteriv", "glGetShaderInfoLog", "glGetShaderSource", "glGetString", "glGetUniformfv", "glGetUniformLocation", "glGetVertexAttribfv", "glGetVertexAttribPointerv", "glShaderSource", "glTexImage2D", "glTexSubImage2D", "glVertexAttribPointer", ]