284 lines
11 KiB
Python
284 lines
11 KiB
Python
import os
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import armutils
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def write_data(res, defs, json_data, base_name):
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# Define
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sres = {}
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res['shader_datas'].append(sres)
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shader_id = base_name
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for s in defs:
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shader_id += s
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sres['name'] = shader_id
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sres['vertex_structure'] = []
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sres['contexts'] = []
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# Parse
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for c in json_data['contexts']:
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con = {}
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sres['contexts'].append(con)
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con['name'] = c['name']
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con['constants'] = []
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con['texture_units'] = []
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# Names
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vert_name = c['vertex_shader'].split('.')[0]
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frag_name = c['fragment_shader'].split('.')[0]
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if 'geometry_shader' in c:
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geom_name = c['geometry_shader'].split('.')[0]
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if 'tesscontrol_shader' in c:
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tesc_name = c['tesscontrol_shader'].split('.')[0]
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if 'tesseval_shader' in c:
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tese_name = c['tesseval_shader'].split('.')[0]
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for d in defs:
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vert_name += d
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frag_name += d
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if 'geometry_shader' in c:
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geom_name += d
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if 'tesscontrol_shader' in c:
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tesc_name += d
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if 'tesseval_shader' in c:
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tese_name += d
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con['vertex_shader'] = vert_name + '.vert'
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con['fragment_shader'] = frag_name + '.frag'
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if 'geometry_shader' in c:
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con['geometry_shader'] = geom_name + '.geom'
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if 'tesscontrol_shader' in c:
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con['tesscontrol_shader'] = tesc_name + '.tesc'
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if 'tesseval_shader' in c:
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con['tesseval_shader'] = tese_name + '.tese'
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# Params
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params = ['depth_write', 'compare_mode', 'stencil_mode', \
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'stencil_pass', 'stencil_fail', 'stencil_reference_value', \
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'stencil_read_mask', 'stencil_write_mask', 'cull_mode', \
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'blend_source', 'blend_destination', 'blend_operation', \
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'alpha_blend_source', 'alpha_blend_destination', 'alpha_blend_operation' \
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'color_write_red', 'color_write_green', 'color_write_blue', \
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'color_write_alpha']
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for p in params:
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if p in c:
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con[p] = c[p]
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# Parse shaders
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if 'vertex_shader_path' in c:
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with open(c['vertex_shader_path']) as f:
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vert = f.read().splitlines()
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else:
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with open(c['vertex_shader']) as f:
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vert = f.read().splitlines()
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if 'fragment_shader_path' in c:
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with open(c['fragment_shader_path']) as f:
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frag = f.read().splitlines()
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else:
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with open(c['fragment_shader']) as f:
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frag = f.read().splitlines()
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parse_shader(sres, c, con, defs, vert, len(sres['contexts']) == 1) # Parse attribs for the first vertex shader
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parse_shader(sres, c, con, defs, frag, False)
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if 'geometry_shader' in c:
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if 'geometry_shader_path' in c:
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with open(c['geometry_shader_path']) as f:
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geom = f.read().splitlines()
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else:
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with open(c['geometry_shader']) as f:
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geom = f.read().splitlines()
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parse_shader(sres, c, con, defs, geom, False)
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if 'tesscontrol_shader' in c:
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if 'tesscontrol_shader_path' in c:
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with open(c['tesscontrol_shader_path']) as f:
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tesc = f.read().splitlines()
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else:
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with open(c['tesscontrol_shader']) as f:
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tesc = f.read().splitlines()
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parse_shader(sres, c, con, defs, tesc, False)
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if 'tesseval_shader' in c:
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if 'tesseval_shader_path' in c:
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with open(c['tesseval_shader_path']) as f:
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tese = f.read().splitlines()
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else:
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with open(c['tesseval_shader']) as f:
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tese = f.read().splitlines()
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parse_shader(sres, c, con, defs, tese, False)
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def parse_shader(sres, c, con, defs, lines, parse_attributes):
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skip_till_endif = 0
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skip_else = False
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vertex_structure_parsed = False
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vertex_structure_parsing = False
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if parse_attributes == False:
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vertex_structure_parsed = True
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for line in lines:
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line = line.lstrip()
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if line.startswith('#ifdef'):
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s = line.split(' ')[1]
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if s != 'GL_ES':
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found = False
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for d in defs:
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if d == s:
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found = True
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break
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if found == False or s == '_Instancing': # TODO: Prevent instanced data to go into main vertex structure
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skip_till_endif += 1
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else:
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skip_else = True # #ifdef passed, skip #else if present
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continue
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# Previous ifdef passed, skip else
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if skip_else == True and line.startswith('#else'):
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skip_else = False
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skip_till_endif += 1
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continue
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if line.startswith('#endif') or line.startswith('#else'): # Starts parsing again
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skip_till_endif -= 1
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skip_else = False
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if skip_till_endif < 0: # #else + #endif will go below 0
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skip_till_endif = 0
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continue
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if skip_till_endif > 0:
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continue
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if vertex_structure_parsed == False and line.startswith('in '):
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vertex_structure_parsing = True
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vd = {}
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s = line.split(' ')
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vd['size'] = int(s[1][-1:])
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vd['name'] = s[2][:-1]
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sres['vertex_structure'].append(vd)
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if vertex_structure_parsing == True and len(line) > 0 and line.startswith('//') == False and line.startswith('in ') == False:
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vertex_structure_parsed = True
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if line.startswith('uniform ') or line.startswith('//!uniform'): # Uniforms included from header files
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s = line.split(' ')
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# uniform sampler2D myname;
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# uniform layout(RGBA8) image3D myname;
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if s[1].startswith('layout'):
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ctype = s[2]
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cid = s[3][:-1]
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else:
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ctype = s[1]
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cid = s[2][:-1]
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found = False # Unique check
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if ctype == 'sampler2D' or ctype == 'sampler2DShadow' or ctype == 'sampler3D' or ctype == 'image2D' or ctype == 'image3D': # Texture unit
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for tu in con['texture_units']: # Texture already present
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if tu['name'] == cid:
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found = True
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break
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if found == False:
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tu = {}
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tu['name'] = cid
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# sampler2D / image2D
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if ctype == 'image2D' or ctype == 'image3D':
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tu['is_image'] = True
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# Check for link
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for l in c['links']:
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if l['name'] == cid:
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valid_link = True
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if 'ifdef' in l:
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def_found = False
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for d in defs:
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for link_def in l['ifdef']:
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if d == link_def:
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def_found = True
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break
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if def_found:
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break
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if not def_found:
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valid_link = False
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if 'ifndef' in l:
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def_found = False
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for d in defs:
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for link_def in l['ifdef']:
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if d == link_def:
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def_found = True
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break
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if def_found:
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break
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if def_found:
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valid_link = False
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if valid_link:
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tu['link'] = l['link']
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break
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con['texture_units'].append(tu)
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else: # Constant
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if cid.find('[') != -1: # Float arrays
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cid = cid.split('[')[0]
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ctype = 'floats'
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for const in con['constants']:
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if const['name'] == cid:
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found = True
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break
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if found == False:
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const = {}
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const['type'] = ctype
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const['name'] = cid
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# Check for link
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for l in c['links']:
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if l['name'] == cid:
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valid_link = True
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if 'ifdef' in l:
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def_found = False
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for d in defs:
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for link_def in l['ifdef']:
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if d == link_def:
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def_found = True
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break
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if def_found:
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break
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if not def_found:
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valid_link = False
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if 'ifndef' in l:
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def_found = False
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for d in defs:
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for link_def in l['ifndef']:
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if d == link_def:
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def_found = True
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break
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if def_found:
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break
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if def_found:
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valid_link = False
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if valid_link:
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const['link'] = l['link']
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break
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con['constants'].append(const)
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def save_data(path, base_name, subset, res):
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res_name = base_name
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for s in subset:
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res_name += s
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r = {}
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r['shader_datas'] = [res['shader_datas'][-1]]
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armutils.write_arm(path + '/' + res_name + '.arm', r)
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def make(base_name, json_data, fp, defs):
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path = fp + '/build/compiled/ShaderDatas/' + base_name
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if not os.path.exists(path):
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os.makedirs(path)
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res = {}
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res['shader_datas'] = []
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write_data(res, defs, json_data, base_name)
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save_data(path, base_name, defs, res)
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