diff options
Diffstat (limited to 'gles3_builders.py')
| -rw-r--r-- | gles3_builders.py | 528 |
1 files changed, 528 insertions, 0 deletions
diff --git a/gles3_builders.py b/gles3_builders.py new file mode 100644 index 0000000000..5288e66cc2 --- /dev/null +++ b/gles3_builders.py @@ -0,0 +1,528 @@ +"""Functions used to generate source files during build time + +All such functions are invoked in a subprocess on Windows to prevent build flakiness. + +""" +from platform_methods import subprocess_main + + +class LegacyGLHeaderStruct: + def __init__(self): + self.vertex_lines = [] + self.fragment_lines = [] + self.uniforms = [] + self.attributes = [] + self.feedbacks = [] + self.fbos = [] + self.conditionals = [] + self.enums = {} + self.texunits = [] + self.texunit_names = [] + self.ubos = [] + self.ubo_names = [] + + self.vertex_included_files = [] + self.fragment_included_files = [] + + self.reading = "" + self.line_offset = 0 + self.vertex_offset = 0 + self.fragment_offset = 0 + + +def include_file_in_legacygl_header(filename, header_data, depth): + fs = open(filename, "r") + line = fs.readline() + + while line: + + if line.find("[vertex]") != -1: + header_data.reading = "vertex" + line = fs.readline() + header_data.line_offset += 1 + header_data.vertex_offset = header_data.line_offset + continue + + if line.find("[fragment]") != -1: + header_data.reading = "fragment" + line = fs.readline() + header_data.line_offset += 1 + header_data.fragment_offset = header_data.line_offset + continue + + while line.find("#include ") != -1: + includeline = line.replace("#include ", "").strip()[1:-1] + + import os.path + + included_file = os.path.relpath(os.path.dirname(filename) + "/" + includeline) + if not included_file in header_data.vertex_included_files and header_data.reading == "vertex": + header_data.vertex_included_files += [included_file] + if include_file_in_legacygl_header(included_file, header_data, depth + 1) is None: + print("Error in file '" + filename + "': #include " + includeline + "could not be found!") + elif not included_file in header_data.fragment_included_files and header_data.reading == "fragment": + header_data.fragment_included_files += [included_file] + if include_file_in_legacygl_header(included_file, header_data, depth + 1) is None: + print("Error in file '" + filename + "': #include " + includeline + "could not be found!") + + line = fs.readline() + + if line.find("#ifdef ") != -1: + if line.find("#ifdef ") != -1: + ifdefline = line.replace("#ifdef ", "").strip() + + if line.find("_EN_") != -1: + enumbase = ifdefline[: ifdefline.find("_EN_")] + ifdefline = ifdefline.replace("_EN_", "_") + line = line.replace("_EN_", "_") + if enumbase not in header_data.enums: + header_data.enums[enumbase] = [] + if ifdefline not in header_data.enums[enumbase]: + header_data.enums[enumbase].append(ifdefline) + + elif not ifdefline in header_data.conditionals: + header_data.conditionals += [ifdefline] + + if line.find("uniform") != -1 and line.lower().find("texunit:") != -1: + # texture unit + texunitstr = line[line.find(":") + 1 :].strip() + if texunitstr == "auto": + texunit = "-1" + else: + texunit = str(int(texunitstr)) + uline = line[: line.lower().find("//")] + uline = uline.replace("uniform", "") + uline = uline.replace("highp", "") + uline = uline.replace(";", "") + lines = uline.split(",") + for x in lines: + + x = x.strip() + x = x[x.rfind(" ") + 1 :] + if x.find("[") != -1: + # unfiorm array + x = x[: x.find("[")] + + if not x in header_data.texunit_names: + header_data.texunits += [(x, texunit)] + header_data.texunit_names += [x] + + elif line.find("uniform") != -1 and line.lower().find("ubo:") != -1: + # uniform buffer object + ubostr = line[line.find(":") + 1 :].strip() + ubo = str(int(ubostr)) + uline = line[: line.lower().find("//")] + uline = uline[uline.find("uniform") + len("uniform") :] + uline = uline.replace("highp", "") + uline = uline.replace(";", "") + uline = uline.replace("{", "").strip() + lines = uline.split(",") + for x in lines: + + x = x.strip() + x = x[x.rfind(" ") + 1 :] + if x.find("[") != -1: + # unfiorm array + x = x[: x.find("[")] + + if not x in header_data.ubo_names: + header_data.ubos += [(x, ubo)] + header_data.ubo_names += [x] + + elif line.find("uniform") != -1 and line.find("{") == -1 and line.find(";") != -1: + uline = line.replace("uniform", "") + uline = uline.replace(";", "") + lines = uline.split(",") + for x in lines: + + x = x.strip() + x = x[x.rfind(" ") + 1 :] + if x.find("[") != -1: + # unfiorm array + x = x[: x.find("[")] + + if not x in header_data.uniforms: + header_data.uniforms += [x] + + if line.strip().find("attribute ") == 0 and line.find("attrib:") != -1: + uline = line.replace("in ", "") + uline = uline.replace("attribute ", "") + uline = uline.replace("highp ", "") + uline = uline.replace(";", "") + uline = uline[uline.find(" ") :].strip() + + if uline.find("//") != -1: + name, bind = uline.split("//") + if bind.find("attrib:") != -1: + name = name.strip() + bind = bind.replace("attrib:", "").strip() + header_data.attributes += [(name, bind)] + + if line.strip().find("out ") == 0 and line.find("tfb:") != -1: + uline = line.replace("out ", "") + uline = uline.replace("highp ", "") + uline = uline.replace(";", "") + uline = uline[uline.find(" ") :].strip() + + if uline.find("//") != -1: + name, bind = uline.split("//") + if bind.find("tfb:") != -1: + name = name.strip() + bind = bind.replace("tfb:", "").strip() + header_data.feedbacks += [(name, bind)] + + line = line.replace("\r", "") + line = line.replace("\n", "") + + if header_data.reading == "vertex": + header_data.vertex_lines += [line] + if header_data.reading == "fragment": + header_data.fragment_lines += [line] + + line = fs.readline() + header_data.line_offset += 1 + + fs.close() + + return header_data + + +def build_legacygl_header(filename, include, class_suffix, output_attribs): + header_data = LegacyGLHeaderStruct() + include_file_in_legacygl_header(filename, header_data, 0) + + out_file = filename + ".gen.h" + fd = open(out_file, "w") + + enum_constants = [] + + fd.write("/* WARNING, THIS FILE WAS GENERATED, DO NOT EDIT */\n") + + out_file_base = out_file + out_file_base = out_file_base[out_file_base.rfind("/") + 1 :] + out_file_base = out_file_base[out_file_base.rfind("\\") + 1 :] + out_file_ifdef = out_file_base.replace(".", "_").upper() + fd.write("#ifndef " + out_file_ifdef + class_suffix + "_120\n") + fd.write("#define " + out_file_ifdef + class_suffix + "_120\n") + + out_file_class = ( + out_file_base.replace(".glsl.gen.h", "").title().replace("_", "").replace(".", "") + "Shader" + class_suffix + ) + fd.write("\n\n") + fd.write('#include "' + include + '"\n\n\n') + fd.write("class " + out_file_class + " : public Shader" + class_suffix + " {\n\n") + fd.write('\t virtual String get_shader_name() const { return "' + out_file_class + '"; }\n') + + fd.write("public:\n\n") + + if header_data.conditionals: + fd.write("\tenum Conditionals {\n") + for x in header_data.conditionals: + fd.write("\t\t" + x.upper() + ",\n") + fd.write("\t};\n\n") + + if header_data.uniforms: + fd.write("\tenum Uniforms {\n") + for x in header_data.uniforms: + fd.write("\t\t" + x.upper() + ",\n") + fd.write("\t};\n\n") + + fd.write("\t_FORCE_INLINE_ int get_uniform(Uniforms p_uniform) const { return _get_uniform(p_uniform); }\n\n") + if header_data.conditionals: + fd.write( + "\t_FORCE_INLINE_ void set_conditional(Conditionals p_conditional,bool p_enable) { _set_conditional(p_conditional,p_enable); }\n\n" + ) + fd.write("\t#ifdef DEBUG_ENABLED\n ") + fd.write( + "\t#define _FU if (get_uniform(p_uniform)<0) return; if (!is_version_valid()) return; ERR_FAIL_COND( get_active()!=this ); \n\n " + ) + fd.write("\t#else\n ") + fd.write("\t#define _FU if (get_uniform(p_uniform)<0) return; \n\n ") + fd.write("\t#endif\n") + fd.write( + "\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, float p_value) { _FU glUniform1f(get_uniform(p_uniform),p_value); }\n\n" + ) + fd.write( + "\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, double p_value) { _FU glUniform1f(get_uniform(p_uniform),p_value); }\n\n" + ) + fd.write( + "\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, uint8_t p_value) { _FU glUniform1i(get_uniform(p_uniform),p_value); }\n\n" + ) + fd.write( + "\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, int8_t p_value) { _FU glUniform1i(get_uniform(p_uniform),p_value); }\n\n" + ) + fd.write( + "\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, uint16_t p_value) { _FU glUniform1i(get_uniform(p_uniform),p_value); }\n\n" + ) + fd.write( + "\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, int16_t p_value) { _FU glUniform1i(get_uniform(p_uniform),p_value); }\n\n" + ) + fd.write( + "\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, uint32_t p_value) { _FU glUniform1i(get_uniform(p_uniform),p_value); }\n\n" + ) + fd.write( + "\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, int32_t p_value) { _FU glUniform1i(get_uniform(p_uniform),p_value); }\n\n" + ) + fd.write( + "\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, const Color& p_color) { _FU GLfloat col[4]={p_color.r,p_color.g,p_color.b,p_color.a}; glUniform4fv(get_uniform(p_uniform),1,col); }\n\n" + ) + fd.write( + "\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, const Vector2& p_vec2) { _FU GLfloat vec2[2]={(GLfloat)p_vec2.x,(GLfloat)p_vec2.y}; glUniform2fv(get_uniform(p_uniform),1,vec2); }\n\n" + ) + fd.write( + "\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, const Size2i& p_vec2) { _FU GLint vec2[2]={(GLint)p_vec2.x,(GLint)p_vec2.y}; glUniform2iv(get_uniform(p_uniform),1,vec2); }\n\n" + ) + fd.write( + "\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, const Vector3& p_vec3) { _FU GLfloat vec3[3]={(GLfloat)p_vec3.x,(GLfloat)p_vec3.y,(GLfloat)p_vec3.z}; glUniform3fv(get_uniform(p_uniform),1,vec3); }\n\n" + ) + fd.write( + "\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, float p_a, float p_b) { _FU glUniform2f(get_uniform(p_uniform),p_a,p_b); }\n\n" + ) + fd.write( + "\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, float p_a, float p_b, float p_c) { _FU glUniform3f(get_uniform(p_uniform),p_a,p_b,p_c); }\n\n" + ) + fd.write( + "\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, float p_a, float p_b, float p_c, float p_d) { _FU glUniform4f(get_uniform(p_uniform),p_a,p_b,p_c,p_d); }\n\n" + ) + + fd.write( + """\t_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, const Transform3D& p_transform) { _FU + + const Transform3D &tr = p_transform; + + GLfloat matrix[16]={ /* build a 16x16 matrix */ + (GLfloat)tr.basis.elements[0][0], + (GLfloat)tr.basis.elements[1][0], + (GLfloat)tr.basis.elements[2][0], + (GLfloat)0, + (GLfloat)tr.basis.elements[0][1], + (GLfloat)tr.basis.elements[1][1], + (GLfloat)tr.basis.elements[2][1], + (GLfloat)0, + (GLfloat)tr.basis.elements[0][2], + (GLfloat)tr.basis.elements[1][2], + (GLfloat)tr.basis.elements[2][2], + (GLfloat)0, + (GLfloat)tr.origin.x, + (GLfloat)tr.origin.y, + (GLfloat)tr.origin.z, + (GLfloat)1 + }; + + + glUniformMatrix4fv(get_uniform(p_uniform),1,false,matrix); + + + } + + """ + ) + + fd.write( + """_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, const Transform2D& p_transform) { _FU + + const Transform2D &tr = p_transform; + + GLfloat matrix[16]={ /* build a 16x16 matrix */ + (GLfloat)tr.elements[0][0], + (GLfloat)tr.elements[0][1], + (GLfloat)0, + (GLfloat)0, + (GLfloat)tr.elements[1][0], + (GLfloat)tr.elements[1][1], + (GLfloat)0, + (GLfloat)0, + (GLfloat)0, + (GLfloat)0, + (GLfloat)1, + (GLfloat)0, + (GLfloat)tr.elements[2][0], + (GLfloat)tr.elements[2][1], + (GLfloat)0, + (GLfloat)1 + }; + + + glUniformMatrix4fv(get_uniform(p_uniform),1,false,matrix); + + + } + + """ + ) + + fd.write( + """_FORCE_INLINE_ void set_uniform(Uniforms p_uniform, const CameraMatrix& p_matrix) { _FU + + GLfloat matrix[16]; + + for (int i=0;i<4;i++) { + for (int j=0;j<4;j++) { + matrix[i*4+j]=p_matrix.matrix[i][j]; + } + } + + glUniformMatrix4fv(get_uniform(p_uniform),1,false,matrix); +}""" + ) + + fd.write("\n\n#undef _FU\n\n\n") + + fd.write("\tvirtual void init() {\n\n") + + enum_value_count = 0 + + if header_data.enums: + + fd.write("\t\t//Written using math, given nonstandarity of 64 bits integer constants..\n") + fd.write("\t\tstatic const Enum _enums[]={\n") + + bitofs = len(header_data.conditionals) + enum_vals = [] + + for xv in header_data.enums: + x = header_data.enums[xv] + bits = 1 + amt = len(x) + while 2 ** bits < amt: + bits += 1 + strs = "{" + for i in range(amt): + strs += '"#define ' + x[i] + '\\n",' + + c = {} + c["set_mask"] = "uint64_t(" + str(i) + ")<<" + str(bitofs) + c["clear_mask"] = ( + "((uint64_t(1)<<40)-1) ^ (((uint64_t(1)<<" + str(bits) + ") - 1)<<" + str(bitofs) + ")" + ) + enum_vals.append(c) + enum_constants.append(x[i]) + + strs += "NULL}" + + fd.write( + "\t\t\t{(uint64_t(1<<" + str(bits) + ")-1)<<" + str(bitofs) + "," + str(bitofs) + "," + strs + "},\n" + ) + bitofs += bits + + fd.write("\t\t};\n\n") + + fd.write("\t\tstatic const EnumValue _enum_values[]={\n") + + enum_value_count = len(enum_vals) + for x in enum_vals: + fd.write("\t\t\t{" + x["set_mask"] + "," + x["clear_mask"] + "},\n") + + fd.write("\t\t};\n\n") + + conditionals_found = [] + if header_data.conditionals: + + fd.write("\t\tstatic const char* _conditional_strings[]={\n") + if header_data.conditionals: + for x in header_data.conditionals: + fd.write('\t\t\t"#define ' + x + '\\n",\n') + conditionals_found.append(x) + fd.write("\t\t};\n\n") + else: + fd.write("\t\tstatic const char **_conditional_strings=NULL;\n") + + if header_data.uniforms: + + fd.write("\t\tstatic const char* _uniform_strings[]={\n") + if header_data.uniforms: + for x in header_data.uniforms: + fd.write('\t\t\t"' + x + '",\n') + fd.write("\t\t};\n\n") + else: + fd.write("\t\tstatic const char **_uniform_strings=NULL;\n") + + if output_attribs: + if header_data.attributes: + + fd.write("\t\tstatic AttributePair _attribute_pairs[]={\n") + for x in header_data.attributes: + fd.write('\t\t\t{"' + x[0] + '",' + x[1] + "},\n") + fd.write("\t\t};\n\n") + else: + fd.write("\t\tstatic AttributePair *_attribute_pairs=NULL;\n") + + feedback_count = 0 + + if header_data.texunits: + fd.write("\t\tstatic TexUnitPair _texunit_pairs[]={\n") + for x in header_data.texunits: + fd.write('\t\t\t{"' + x[0] + '",' + x[1] + "},\n") + fd.write("\t\t};\n\n") + else: + fd.write("\t\tstatic TexUnitPair *_texunit_pairs=NULL;\n") + + fd.write("\t\tstatic const char _vertex_code[]={\n") + for x in header_data.vertex_lines: + for c in x: + fd.write(str(ord(c)) + ",") + + fd.write(str(ord("\n")) + ",") + fd.write("\t\t0};\n\n") + + fd.write("\t\tstatic const int _vertex_code_start=" + str(header_data.vertex_offset) + ";\n") + + fd.write("\t\tstatic const char _fragment_code[]={\n") + for x in header_data.fragment_lines: + for c in x: + fd.write(str(ord(c)) + ",") + + fd.write(str(ord("\n")) + ",") + fd.write("\t\t0};\n\n") + + fd.write("\t\tstatic const int _fragment_code_start=" + str(header_data.fragment_offset) + ";\n") + + if output_attribs: + fd.write( + "\t\tsetup(_conditional_strings," + + str(len(header_data.conditionals)) + + ",_uniform_strings," + + str(len(header_data.uniforms)) + + ",_attribute_pairs," + + str(len(header_data.attributes)) + + ", _texunit_pairs," + + str(len(header_data.texunits)) + + ",_vertex_code,_fragment_code,_vertex_code_start,_fragment_code_start);\n" + ) + else: + fd.write( + "\t\tsetup(_conditional_strings," + + str(len(header_data.conditionals)) + + ",_uniform_strings," + + str(len(header_data.uniforms)) + + ",_texunit_pairs," + + str(len(header_data.texunits)) + + ",_enums," + + str(len(header_data.enums)) + + ",_enum_values," + + str(enum_value_count) + + ",_vertex_code,_fragment_code,_vertex_code_start,_fragment_code_start);\n" + ) + + fd.write("\t}\n\n") + + if enum_constants: + + fd.write("\tenum EnumConditionals {\n") + for x in enum_constants: + fd.write("\t\t" + x.upper() + ",\n") + fd.write("\t};\n\n") + fd.write("\tvoid set_enum_conditional(EnumConditionals p_cond) { _set_enum_conditional(p_cond); }\n") + + fd.write("};\n\n") + fd.write("#endif\n\n") + fd.close() + + +def build_gles3_headers(target, source, env): + for x in source: + build_legacygl_header(str(x), include="drivers/gles3/shader_gles3.h", class_suffix="GLES3", output_attribs=True) + + +if __name__ == "__main__": + subprocess_main(globals()) |