#!/usr/bin/env python ########################################################################## # # Copyright 2011 Jose Fonseca # All Rights Reserved. # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. # ##########################################################################/ '''Generate code to dump most GL state into JSON.''' import retrace # to adjust sys.path from specs.stdapi import * from specs.gltypes import * from specs.glparams import * framebuffer_targets = [ ('GL_DRAW_FRAMEBUFFER', 'GL_DRAW_FRAMEBUFFER_BINDING'), ('GL_READ_FRAMEBUFFER', 'GL_READ_FRAMEBUFFER_BINDING'), ] class GetInflector: '''Objects that describes how to inflect.''' reduced_types = { B: I, E: I, I: F, } def __init__(self, radical, inflections, suffix = ''): self.radical = radical self.inflections = inflections self.suffix = suffix def reduced_type(self, type): if type in self.inflections: return type if type in self.reduced_types: return self.reduced_type(self.reduced_types[type]) raise NotImplementedError def inflect(self, type): return self.radical + self.inflection(type) + self.suffix def inflection(self, type): type = self.reduced_type(type) assert type in self.inflections return self.inflections[type] def key(self): return self.radical + self.suffix def __str__(self): return self.key() class StateGetter(Visitor): '''Type visitor that is able to extract the state via one of the glGet* functions. It will declare any temporary variable ''' def __init__(self, radical=None, inflections=None, suffix='', inflector=None, key=None, pnameIdx=-1): if inflector is None: assert radical is not None assert inflections is not None self.inflector = GetInflector(radical, inflections, suffix) else: assert radical is None assert inflections is None assert suffix == '' self.inflector = inflector if key is None: self.key = self.inflector.key() else: self.key = key self.pnameIdx = pnameIdx def iter(self): for function, type, count, name in parameters: if self.key not in function.split(','): continue if type is X: continue yield type, count, name def __call__(self, *args): pname = args[self.pnameIdx] for type, count, name in self.iter(): if name == pname: if count != 1: type = Array(type, count) return type, self.visit(type, args) raise NotImplementedError def temp_name(self, args): '''Return the name of a temporary variable to hold the state.''' pname = args[self.pnameIdx] return pname[3:].lower() def visitConst(self, const, args): return self.visit(const.type, args) def visitScalar(self, type, args): temp_name = self.temp_name(args) elem_type = self.inflector.reduced_type(type) inflection = self.inflector.inflect(type) if inflection.endswith('v' + self.inflector.suffix): print ' %s %s = 0;' % (elem_type, temp_name) print ' %s(%s, &%s);' % (inflection, ', '.join(args), temp_name) else: print ' %s %s = %s(%s);' % (elem_type, temp_name, inflection, ', '.join(args)) return temp_name def visitString(self, string, args): temp_name = self.temp_name(args) inflection = self.inflector.inflect(string) assert not inflection.endswith('v' + self.inflector.suffix) print ' %s %s = (%s)%s(%s);' % (string, temp_name, string, inflection, ', '.join(args)) return temp_name def visitAlias(self, alias, args): return self.visitScalar(alias, args) def visitEnum(self, enum, args): return self.visitScalar(enum, args) def visitBitmask(self, bitmask, args): return self.visit(GLint, args) def visitArray(self, array, args): temp_name = self.temp_name(args) if array.length == '1': return self.visit(array.type) elem_type = self.inflector.reduced_type(array.type) inflection = self.inflector.inflect(array.type) assert inflection.endswith('v' + self.inflector.suffix) array_length = array.length if isinstance(array_length, int): # Static integer length print ' %s %s[%s + 1];' % (elem_type, temp_name, array_length) else: # Put the length in a variable to avoid recomputing it every time print ' size_t _%s_length = %s;' % (temp_name, array_length) array_length = '_%s_length' % temp_name # Allocate a dynamic sized array print ' %s *%s = _allocator.alloc<%s>(%s + 1);' % (elem_type, temp_name, elem_type, array_length) print ' memset(%s, 0, %s * sizeof *%s);' % (temp_name, array_length, temp_name) print ' %s[%s] = (%s)0xdeadc0de;' % (temp_name, array_length, elem_type) print ' if (%s) {' % array_length print ' %s(%s, %s);' % (inflection, ', '.join(args), temp_name) print ' }' # Simple buffer overflow detection print ' assert(%s[%s] == (%s)0xdeadc0de);' % (temp_name, array_length, elem_type) return temp_name def visitOpaque(self, pointer, args): temp_name = self.temp_name(args) inflection = self.inflector.inflect(pointer) assert inflection.endswith('v' + self.inflector.suffix) print ' GLvoid *%s;' % temp_name print ' %s(%s, &%s);' % (inflection, ', '.join(args), temp_name) return temp_name glGet_inflector = GetInflector('glGet', { B: 'Booleanv', I: 'Integerv', F: 'Floatv', D: 'Doublev', S: 'String', P: 'Pointerv', }) glGet = StateGetter(inflector = glGet_inflector) # Same as glGet glGet_texture = StateGetter(inflector = glGet_inflector, key = 'glGet_texture') glGet_i = StateGetter('glGet', { B: 'Booleani_v', I: 'Integeri_v', F: 'Floati_v', D: 'Doublei_v', }, key = 'glGet_i', pnameIdx=0) glGetMaterial = StateGetter('glGetMaterial', {I: 'iv', F: 'fv'}) glGetLight = StateGetter('glGetLight', {I: 'iv', F: 'fv'}) glGetVertexAttrib = StateGetter('glGetVertexAttrib', {I: 'iv', F: 'fv', D: 'dv', P: 'Pointerv'}) glGetTexParameter = StateGetter('glGetTexParameter', {I: 'iv', F: 'fv'}) glGetTexEnv = StateGetter('glGetTexEnv', {I: 'iv', F: 'fv'}) glGetTexLevelParameter = StateGetter('glGetTexLevelParameter', {I: 'iv', F: 'fv'}) glGetShader = StateGetter('glGetShaderiv', {I: 'iv'}) glGetProgram = StateGetter('glGetProgram', {I: 'iv'}) glGetProgramARB = StateGetter('glGetProgram', {I: 'iv', F: 'fv', S: 'Stringv'}, 'ARB') glGetFramebufferAttachmentParameter = StateGetter('glGetFramebufferAttachmentParameter', {I: 'iv'}) glGetSamplerParameter = StateGetter('glGetSamplerParameter', {I: 'iv', F: 'fv'}) glGetBufferParameter = StateGetter('glGetBuffer', {I: 'Parameteriv', P: 'Pointerv'}, key='glGetBufferParameter') class JsonWriter(Visitor): '''Type visitor that will dump a value of the specified type through the JSON writer. It expects a previously declared StateWriter instance named "writer".''' def visitLiteral(self, literal, instance): if literal.kind == 'Bool': print ' writer.writeBool(%s);' % instance elif literal.kind in ('SInt', 'Uint'): print ' writer.writeInt(%s);' % instance elif literal.kind in ('Float', 'Double'): print ' writer.writeFloat(%s);' % instance else: raise NotImplementedError def visitString(self, string, instance): assert string.length is None print ' writer.writeString((const char *)%s);' % instance def visitEnum(self, enum, instance): if enum is GLboolean: print ' dumpBoolean(writer, %s);' % instance elif enum is GLenum: print ' dumpEnum(writer, %s);' % instance else: assert False print ' writer.writeInt(%s);' % instance def visitBitmask(self, bitmask, instance): raise NotImplementedError def visitAlias(self, alias, instance): self.visit(alias.type, instance) def visitOpaque(self, opaque, instance): print ' writer.writeInt((size_t)%s);' % instance __index = 0 def visitArray(self, array, instance): index = '_i%u' % JsonWriter.__index JsonWriter.__index += 1 print ' writer.beginArray();' print ' for (unsigned %s = 0; %s < %s; ++%s) {' % (index, index, array.length, index) self.visit(array.type, '%s[%s]' % (instance, index)) print ' }' print ' writer.endArray();' class StateDumper: '''Class to generate code to dump all GL state in JSON format via stdout.''' def __init__(self): pass def dump(self): print '#include ' print '#include ' print print '#include "state_writer.hpp"' print '#include "scoped_allocator.hpp"' print '#include "glproc.hpp"' print '#include "glsize.hpp"' print '#include "glstate.hpp"' print '#include "glstate_internal.hpp"' print print 'namespace glstate {' print print 'const char *' print 'enumToString(GLenum pname)' print '{' print ' switch (pname) {' for name in GLenum.values: print ' case %s:' % name print ' return "%s";' % name print ' default:' print ' return NULL;' print ' }' print '}' print print 'static void' print 'dumpTextureTargetParameters(StateWriter &writer, Context &context, GLenum target, GLuint texture)' print '{' print ' writer.beginMember(enumToString(target));' print ' writer.beginObject();' print ' dumpObjectLabel(writer, context, GL_TEXTURE, texture, "GL_TEXTURE_LABEL");' # ARB_texture_buffer forbids glGetTexParameter and # glGetTexLevelParameter for TEXTURE_BUFFER, but # ARB_texture_buffer_range introduced parameters which can be queries # with glGetTexLevelParameter... print ' if (target != GL_TEXTURE_BUFFER) {' self.dump_atoms(glGetTexParameter, 'target') print ' }' print ' if (!context.ES) {' print ' GLenum levelTarget;' print ' if (target == GL_TEXTURE_CUBE_MAP ||' print ' target == GL_TEXTURE_CUBE_MAP_ARRAY) {' print ' // Must pick a face' print ' levelTarget = GL_TEXTURE_CUBE_MAP_POSITIVE_X;' print ' } else {' print ' levelTarget = target;' print ' }' self.dump_atoms(glGetTexLevelParameter, 'levelTarget', '0') print ' }' print ' writer.endObject();' print ' writer.endMember(); // target' print '}' print print 'static void' print 'dumpFramebufferAttachementParameters(StateWriter &writer, Context &context, GLenum target, GLenum attachment)' print '{' self.dump_attachment_parameters('target', 'attachment') print '}' print print 'void dumpParameters(StateWriter &writer, Context &context)' print '{' print ' ScopedAllocator _allocator;' print ' (void)_allocator;' print print ' writer.beginMember("parameters");' print ' writer.beginObject();' self.dump_atoms(glGet) self.dump_material_params() self.dump_light_params() self.dump_vertex_attribs() self.dump_program_params() self.dump_buffer_parameters() self.dump_texture_parameters() self.dump_framebuffer_parameters() self.dump_labels() print ' writer.endObject();' print ' writer.endMember(); // parameters' print '}' print print '} /*namespace glstate */' def dump_material_params(self): print ' if (!context.ES) {' for face in ['GL_FRONT', 'GL_BACK']: print ' writer.beginMember("%s");' % face print ' writer.beginObject();' self.dump_atoms(glGetMaterial, face) print ' writer.endObject();' print ' }' print def dump_light_params(self): print ' GLint max_lights = 0;' print ' _glGetIntegerv(GL_MAX_LIGHTS, &max_lights);' print ' for (GLint index = 0; index < max_lights; ++index) {' print ' GLenum light = GL_LIGHT0 + index;' print ' if (glIsEnabled(light)) {' print ' char name[32];' print ' snprintf(name, sizeof name, "GL_LIGHT%i", index);' print ' writer.beginMember(name);' print ' writer.beginObject();' self.dump_atoms(glGetLight, ' GL_LIGHT0 + index') print ' writer.endObject();' print ' writer.endMember(); // GL_LIGHTi' print ' }' print ' }' print def dump_sampler_params(self): print ' // GL_SAMPLER_BINDING' print ' if (context.ARB_sampler_objects) {' print ' GLint sampler_binding = 0;' print ' glGetIntegerv(GL_SAMPLER_BINDING, &sampler_binding);' print ' writer.beginMember("GL_SAMPLER_BINDING");' print ' writer.writeInt(sampler_binding);' print ' writer.endMember();' print ' if (sampler_binding) {' print ' writer.beginMember("GL_SAMPLER");' print ' writer.beginObject();' print ' dumpObjectLabel(writer, context, GL_SAMPLER, sampler_binding, "GL_SAMPLER_LABEL");' for _, _, name in glGetSamplerParameter.iter(): self.dump_atom(glGetSamplerParameter, 'sampler_binding', name) print ' writer.endObject();' print ' writer.endMember(); // GL_SAMPLER' print ' }' print ' }' def texenv_param_target(self, name): if name == 'GL_TEXTURE_LOD_BIAS': return 'GL_TEXTURE_FILTER_CONTROL' elif name == 'GL_COORD_REPLACE': return 'GL_POINT_SPRITE' else: return 'GL_TEXTURE_ENV' def dump_texenv_params(self): for target in ['GL_TEXTURE_ENV', 'GL_TEXTURE_FILTER_CONTROL', 'GL_POINT_SPRITE']: print ' if (!context.ES) {' print ' writer.beginMember("%s");' % target print ' writer.beginObject();' for _, _, name in glGetTexEnv.iter(): if self.texenv_param_target(name) == target: self.dump_atom(glGetTexEnv, target, name) print ' writer.endObject();' print ' }' def dump_vertex_attribs(self): print ' GLint max_vertex_attribs = 0;' print ' _glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &max_vertex_attribs);' print ' for (GLint index = 0; index < max_vertex_attribs; ++index) {' print ' char name[32];' print ' snprintf(name, sizeof name, "GL_VERTEX_ATTRIB_ARRAY%i", index);' print ' writer.beginMember(name);' print ' writer.beginObject();' self.dump_atoms(glGetVertexAttrib, 'index') # Dump vertex attrib buffer label print ' GLint buffer_binding = 0;' print ' glGetVertexAttribiv(index, GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING, &buffer_binding);' print ' dumpObjectLabel(writer, context, GL_BUFFER, buffer_binding, "GL_VERTEX_ATTRIB_ARRAY_BUFFER_LABEL");' print ' writer.endObject();' print ' writer.endMember(); // GL_VERTEX_ATTRIB_ARRAYi' print ' }' print object_bindings = [ ('GL_BUFFER', 'GL_ARRAY_BUFFER_BINDING'), ('GL_BUFFER', 'GL_COLOR_ARRAY_BUFFER_BINDING'), ('GL_BUFFER', 'GL_EDGE_FLAG_ARRAY_BUFFER_BINDING'), ('GL_BUFFER', 'GL_ELEMENT_ARRAY_BUFFER_BINDING'), ('GL_BUFFER', 'GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING'), ('GL_BUFFER', 'GL_INDEX_ARRAY_BUFFER_BINDING'), ('GL_BUFFER', 'GL_NORMAL_ARRAY_BUFFER_BINDING'), ('GL_BUFFER', 'GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING'), ('GL_BUFFER', 'GL_TEXTURE_BUFFER'), ('GL_BUFFER', 'GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING'), ('GL_BUFFER', 'GL_TRANSFORM_FEEDBACK_BUFFER_BINDING'), ('GL_BUFFER', 'GL_VERTEX_ARRAY_BUFFER_BINDING'), ('GL_BUFFER', 'GL_WEIGHT_ARRAY_BUFFER_BINDING'), ('GL_FRAMEBUFFER', 'GL_DRAW_FRAMEBUFFER_BINDING'), ('GL_FRAMEBUFFER', 'GL_READ_FRAMEBUFFER_BINDING'), ('GL_PROGRAM', 'GL_CURRENT_PROGRAM'), ('GL_PROGRAM_PIPELINE', 'GL_PROGRAM_PIPELINE_BINDING'), ('GL_RENDERBUFFER', 'GL_RENDERBUFFER_BINDING'), ('GL_TRANSFORM_FEEDBACK', 'GL_TRANSFORM_FEEDBACK_BINDING'), ('GL_VERTEX_ARRAY', 'GL_VERTEX_ARRAY_BINDING'), ] def dump_labels(self): for object_type, object_binding in self.object_bindings: member_name = object_binding.replace('BINDING', 'LABEL') if member_name == object_binding: member_name += '_LABEL' print ' {' print ' GLint binding = 0;' print ' glGetIntegerv(%s, &binding);' % object_binding print ' dumpObjectLabel(writer, context, %s, binding, "%s");' % (object_type, member_name) print ' }' program_targets = [ 'GL_FRAGMENT_PROGRAM_ARB', 'GL_VERTEX_PROGRAM_ARB', ] def dump_program_params(self): for target in self.program_targets: print ' if (glIsEnabled(%s)) {' % target print ' writer.beginMember("%s");' % target print ' writer.beginObject();' self.dump_atoms(glGetProgramARB, target) print ' writer.endObject();' print ' }' buffer_targets = [ ('GL_ARRAY_BUFFER', 'GL_ARRAY_BUFFER_BINDING', None), # FIXME: Causes Mesa to segfault (issue #332). Disable for now. #('GL_ATOMIC_COUNTER_BUFFER', 'GL_ATOMIC_COUNTER_BUFFER_BINDING', 'GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS'), ('GL_COPY_READ_BUFFER', 'GL_COPY_READ_BUFFER_BINDING', None), ('GL_COPY_WRITE_BUFFER', 'GL_COPY_WRITE_BUFFER_BINDING', None), ('GL_DRAW_INDIRECT_BUFFER', 'GL_DRAW_INDIRECT_BUFFER_BINDING', None), ('GL_DISPATCH_INDIRECT_BUFFER', 'GL_DISPATCH_INDIRECT_BUFFER_BINDING', None), ('GL_ELEMENT_ARRAY_BUFFER', 'GL_ELEMENT_ARRAY_BUFFER_BINDING', None), ('GL_PIXEL_PACK_BUFFER', 'GL_PIXEL_PACK_BUFFER_BINDING', None), ('GL_PIXEL_UNPACK_BUFFER', 'GL_PIXEL_UNPACK_BUFFER_BINDING', None), ('GL_QUERY_BUFFER', 'GL_QUERY_BUFFER_BINDING', None), ('GL_SHADER_STORAGE_BUFFER', 'GL_SHADER_STORAGE_BUFFER_BINDING', 'GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS'), ('GL_TEXTURE_BUFFER', 'GL_TEXTURE_BUFFER', None), ('GL_TRANSFORM_FEEDBACK_BUFFER', 'GL_TRANSFORM_FEEDBACK_BUFFER_BINDING', 'GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS'), ('GL_UNIFORM_BUFFER', 'GL_UNIFORM_BUFFER_BINDING', 'GL_MAX_UNIFORM_BUFFER_BINDINGS'), ] def dump_buffer_parameters(self): # general binding points for target, binding, max_bindings in self.buffer_targets: print ' // %s' % target print ' {' print ' writer.beginMember("%s");' % target print ' writer.beginObject();' print ' GLint buffer = 0;' print ' glGetIntegerv(%s, &buffer);' % binding print ' if (buffer) {' self.dump_atoms(glGetBufferParameter, target) print ' }' if max_bindings is not None: # indexed binding points start = target + '_START' size = target + '_SIZE' print ' GLint max_bindings = 0;' print ' glGetIntegerv(%s, &max_bindings);' % max_bindings print ' if (max_bindings) {' print ' writer.beginMember("i");' print ' writer.beginArray();' print ' for (GLint i = 0; i < max_bindings; ++i) {' print ' writer.beginObject();' for pname in [binding, start, size]: self.dump_atom(glGet_i, pname, 'i') print ' writer.endObject();' print ' }' print ' writer.endArray();' print ' writer.endMember();' print ' }' print ' writer.endObject();' print ' writer.endMember();' print ' }' print def dump_texture_parameters(self): print ' {' print ' GLint active_texture = GL_TEXTURE0;' print ' glGetIntegerv(GL_ACTIVE_TEXTURE, &active_texture);' print ' GLint max_texture_coords = 0;' print ' if (!context.core) {' print ' glGetIntegerv(GL_MAX_TEXTURE_COORDS, &max_texture_coords);' print ' }' print ' GLint max_combined_texture_image_units = 0;' print ' glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &max_combined_texture_image_units);' print ' max_combined_texture_image_units = std::max(max_combined_texture_image_units, 2);' print ' GLint max_units = std::max(max_combined_texture_image_units, max_texture_coords);' print ' for (GLint unit = 0; unit < max_units; ++unit) {' print ' char name[32];' print ' snprintf(name, sizeof name, "GL_TEXTURE%i", unit);' print ' writer.beginMember(name);' print ' glActiveTexture(GL_TEXTURE0 + unit);' print ' writer.beginObject();' print self.dump_atoms(glGet_texture) print print ' for (unsigned i = 0; i < numTextureTargets; ++i) {' print ' GLenum target = textureTargets[i];' print ' GLboolean enabled = GL_FALSE;' print ' if (unit < max_texture_coords &&' print ' (target == GL_TEXTURE_1D ||' print ' target == GL_TEXTURE_2D ||' print ' target == GL_TEXTURE_3D ||' print ' target == GL_TEXTURE_CUBE_MAP ||' print ' target == GL_TEXTURE_RECTANGLE)) {' print ' glGetBooleanv(target, &enabled);' print ' writer.beginMember(enumToString(target));' print ' dumpBoolean(writer, enabled);' print ' writer.endMember();' print ' }' print ' GLint texture = 0;' print ' GLenum binding = getTextureBinding(target);' print ' glGetIntegerv(binding, &texture);' print ' if (enabled || texture) {' print ' dumpTextureTargetParameters(writer, context, target, texture);' print ' }' print ' }' print self.dump_sampler_params() print print ' if (unit < max_texture_coords) {' self.dump_texenv_params() print ' }' print ' writer.endObject();' print ' writer.endMember(); // GL_TEXTUREi' print ' }' print ' glActiveTexture(active_texture);' print ' }' print def dump_framebuffer_parameters(self): print ' {' print ' GLint max_color_attachments = 0;' print ' glGetIntegerv(GL_MAX_COLOR_ATTACHMENTS, &max_color_attachments);' print ' GLint framebuffer;' for target, binding in framebuffer_targets: print ' // %s' % target print ' framebuffer = 0;' print ' glGetIntegerv(%s, &framebuffer);' % binding print ' if (framebuffer) {' print ' writer.beginMember("%s");' % target print ' writer.beginObject();' print ' dumpObjectLabel(writer, context, GL_FRAMEBUFFER, framebuffer, "GL_FRAMEBUFFER_LABEL");' print ' for (GLint i = 0; i < max_color_attachments; ++i) {' print ' GLint color_attachment = GL_COLOR_ATTACHMENT0 + i;' print ' dumpFramebufferAttachementParameters(writer, context, %s, color_attachment);' % target print ' }' print ' dumpFramebufferAttachementParameters(writer, context, %s, GL_DEPTH_ATTACHMENT);' % target print ' dumpFramebufferAttachementParameters(writer, context, %s, GL_STENCIL_ATTACHMENT);' % target print ' writer.endObject();' print ' writer.endMember(); // %s' % target print ' }' print print ' }' print def dump_attachment_parameters(self, target, attachment): print ' {' print ' GLint object_type = GL_NONE;' print ' glGetFramebufferAttachmentParameteriv(%s, %s, GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE, &object_type);' % (target, attachment) print ' if (object_type != GL_NONE) {' print ' writer.beginMember(enumToString(%s));' % attachment print ' writer.beginObject();' self.dump_atoms(glGetFramebufferAttachmentParameter, target, attachment) print ' GLint object_name = 0;' print ' glGetFramebufferAttachmentParameteriv(%s, %s, GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME, &object_name);' % (target, attachment) print ' dumpObjectLabel(writer, context, object_type, object_name, "GL_FRAMEBUFFER_ATTACHMENT_OBJECT_LABEL");' print ' writer.endObject();' print ' writer.endMember(); // GL_x_ATTACHMENT' print ' }' print ' }' def dump_atoms(self, getter, *args): for _, _, name in getter.iter(): self.dump_atom(getter, *(args + (name,))) def dump_atom(self, getter, *args): name = args[getter.pnameIdx] print ' // %s' % name print ' {' print ' flushErrors();' type, value = getter(*args) print ' if (glGetError() != GL_NO_ERROR) {' #print ' std::cerr << "warning: %s(%s) failed\\n";' % (inflection, name) print ' flushErrors();' print ' } else {' print ' writer.beginMember("%s");' % name JsonWriter().visit(type, value) print ' writer.endMember();' print ' }' print ' }' print if __name__ == '__main__': StateDumper().dump()