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vk/glsl_scraper: Add a --glsl-only option

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This commit is contained in:
Jason Ekstrand 2015-05-19 11:27:20 -07:00
parent 4bcf58a192
commit e37a89136f
1 changed files with 20 additions and 13 deletions
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33
src/vulkan/glsl_scraper.py
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@ -81,7 +81,7 @@ class Shader:
os.remove(glsl_fname)
os.remove(spirv_fname)
def dump_c_code(self, f):
def dump_c_code(self, f, glsl_only = False):
f.write('\n\n')
var_prefix = '_glsl_helpers_shader{0}'.format(self.line)
@ -94,6 +94,9 @@ class Shader:
f.write('\n"{0}\\n"'.format(line))
f.write(';\n\n')
if glsl_only:
return
# Now dump the SPIR-V source
f.write('static const uint32_t {0}_spir_v_src[] = {{'.format(var_prefix))
line_start = 0
@ -192,6 +195,7 @@ def open_file(name, mode):
infname = None
outfname = '-'
glslang = 'glslangValidator'
glsl_only = False
arg_idx = 1
while arg_idx < len(sys.argv):
@ -202,6 +206,8 @@ while arg_idx < len(sys.argv):
outfname = sys.argv[arg_idx]
elif sys.argv[arg_idx].startswith('--with-glslang='):
glslang = sys.argv[arg_idx][len('--with-glslang='):]
elif sys.argv[arg_idx] == '--glsl-only':
glsl_only = True;
else:
infname = sys.argv[arg_idx]
break
@ -214,20 +220,21 @@ with open_file(infname, 'r') as infile:
parser = Parser(infile)
parser.run()
# glslangValidator has an absolutely *insane* interface. We pretty much
# have to run in a temporary directory. Sad day.
current_dir = os.getcwd()
tmpdir = tempfile.mkdtemp('glsl_scraper')
if not glsl_only:
# glslangValidator has an absolutely *insane* interface. We pretty much
# have to run in a temporary directory. Sad day.
current_dir = os.getcwd()
tmpdir = tempfile.mkdtemp('glsl_scraper')
try:
os.chdir(tmpdir)
try:
os.chdir(tmpdir)
for shader in parser.shaders:
shader.compile()
for shader in parser.shaders:
shader.compile()
os.chdir(current_dir)
finally:
shutil.rmtree(tmpdir)
os.chdir(current_dir)
finally:
shutil.rmtree(tmpdir)
with open_file(outfname, 'w') as outfile:
outfile.write("""\
@ -238,4 +245,4 @@ with open_file(outfname, 'w') as outfile:
#include <stdint.h>""")
for shader in parser.shaders:
shader.dump_c_code(outfile)
shader.dump_c_code(outfile, glsl_only)