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Merge branch 'ebassi/issue-5934' into 'main'
Lower the Python requirement Closes #5934 See merge request GNOME/gtk!6167
This commit is contained in:
Matthias Clasen
commit
40707a6af0
@ -8,138 +8,123 @@ name = os.path.splitext(os.path.basename(sys.argv[1]))[0]
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var_name = "gsk_vulkan_" + name.replace('-', '_')
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struct_name = "GskVulkan" + name.title().replace('-', '') + "Instance"
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lines = open (sys.argv[1]).readlines()
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matches = []
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with open(sys.argv[1]) as f:
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lines = f.readlines()
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matches = []
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for line in lines:
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match = re.search("^layout\(location = ([0-9]+)\) in ([a-z0-9]+) ([a-zA-Z0-9]+);$", line)
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if not match:
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if re.search("layout.*\sin\s.*", line):
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raise Exception("Failed to parse file")
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continue;
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if not match.group(3).startswith('in'):
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raise Exception("Variable doesn't start with 'in'")
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matches.append({ 'name': ''.join('_' + char.lower() if char.isupper() else char for char in match.group(3))[3:],
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'location': int(match.group(1)),
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'type': match.group(2) })
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for line in lines:
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match = re.search(r"^layout\(location = ([0-9]+)\) in ([a-z0-9]+) ([a-zA-Z0-9]+);$", line)
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if not match:
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if re.search(r"layout.*\sin\s.*", line):
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raise Exception("Failed to parse file")
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continue
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if not match.group(3).startswith('in'):
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raise Exception("Variable doesn't start with 'in'")
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matches.append({'name': ''.join('_' + char.lower() if char.isupper() else char for char in match.group(3))[3:],
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'location': int(match.group(1)),
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'type': match.group(2)})
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print(
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f'''#pragma once
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print(f'''/* This file is auto-generated; any change will not be preserved */
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#pragma once
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typedef struct _{struct_name} {struct_name};
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struct _{struct_name} {{''')
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expected = 0;
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expected = 0
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for match in matches:
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if expected != int(match['location']):
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raise Exception(f"Should be layout location {expected} but is {match['location']}")
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raise Exception(f"Should be layout location {expected} but is {match['location']}") # noqa
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match match['type']:
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case "float":
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print(f" float {match['name']};")
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expected += 1
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case "int":
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print(f" gint32 {match['name']};")
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expected += 1
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case "uint":
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print(f" guint32 {match['name']};")
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expected += 1
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case "uvec2":
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print(f" guint32 {match['name']}[2];")
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expected += 1
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case "vec2":
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print(f" float {match['name']}[2];")
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expected += 1
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case "vec4":
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print(f" float {match['name']}[4];")
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expected += 1
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case "mat3x4":
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print(f" float {match['name']}[12];")
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expected += 3
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case "mat4":
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print(f" float {match['name']}[16];")
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expected += 4
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case _:
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raise Exception(f"Don't know what a {match['type']} is")
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if match['type'] == 'float':
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print(f" float {match['name']};")
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expected += 1
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elif match['type'] == 'int':
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print(f" gint32 {match['name']};")
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expected += 1
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elif match['type'] == 'uint':
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print(f" guint32 {match['name']};")
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expected += 1
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elif match['type'] == 'uvec2':
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print(f" guint32 {match['name']}[2];")
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expected += 1
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elif match['type'] == 'vec2':
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print(f" float {match['name']}[2];")
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expected += 1
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elif match['type'] == 'vec4':
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print(f" float {match['name']}[4];")
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expected += 1
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elif match['type'] == 'mat3x4':
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print(f" float {match['name']}[12];")
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expected += 3
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elif match['type'] == 'mat4':
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print(f" float {match['name']}[16];")
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expected += 4
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else:
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raise Exception(f"Don't know what a {match['type']} is")
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print(
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'''};
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print('''};
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''')
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print(
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f'''static const VkPipelineVertexInputStateCreateInfo {var_name}_info = {{
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print(f'''static const VkPipelineVertexInputStateCreateInfo {var_name}_info = {{
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.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
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.vertexBindingDescriptionCount = 1,
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.pVertexBindingDescriptions = (VkVertexInputBindingDescription[1]) {{
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{{
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.binding = 0,
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.stride = sizeof ({struct_name}),
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.inputRate = VK_VERTEX_INPUT_RATE_INSTANCE
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.binding = 0,
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.stride = sizeof ({struct_name}),
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.inputRate = VK_VERTEX_INPUT_RATE_INSTANCE
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}}
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}},
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.vertexAttributeDescriptionCount = {expected},
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.pVertexAttributeDescriptions = (VkVertexInputAttributeDescription[{expected}]) {{''')
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for match in matches:
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match match['type']:
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case "float":
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print(
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f''' {{
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if match['type'] == 'float':
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print(f''' {{
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.location = {match['location']},
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.binding = 0,
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.format = VK_FORMAT_R32_SFLOAT,
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.offset = G_STRUCT_OFFSET({struct_name}, {match['name']}),
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}},''')
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case "int":
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print(
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f''' {{
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elif match['type'] == 'int':
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print(f''' {{
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.location = {match['location']},
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.binding = 0,
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.format = VK_FORMAT_R32_SINT,
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.offset = G_STRUCT_OFFSET({struct_name}, {match['name']}),
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}},''')
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case "uint":
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print(
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f''' {{
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elif match['type'] == 'uint':
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print(f''' {{
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.location = {match['location']},
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.binding = 0,
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.format = VK_FORMAT_R32_UINT,
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.offset = G_STRUCT_OFFSET({struct_name}, {match['name']}),
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}},''')
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case "uvec2":
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print(
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f''' {{
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elif match['type'] == 'uvec2':
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print(f''' {{
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.location = {match['location']},
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.binding = 0,
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.format = VK_FORMAT_R32G32_UINT,
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.offset = G_STRUCT_OFFSET({struct_name}, {match['name']}),
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}},''')
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case "vec2":
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print(
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f''' {{
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elif match['type'] == 'vec2':
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print(f''' {{
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.location = {match['location']},
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.binding = 0,
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.format = VK_FORMAT_R32G32_SFLOAT,
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.offset = G_STRUCT_OFFSET({struct_name}, {match['name']}),
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}},''')
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case "vec4":
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print(
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f''' {{
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elif match['type'] == 'vec4':
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print(f''' {{
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.location = {match['location']},
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.binding = 0,
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.format = VK_FORMAT_R32G32B32A32_SFLOAT,
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.offset = G_STRUCT_OFFSET({struct_name}, {match['name']}),
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}},''')
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case "mat3x4":
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print(
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f''' {{
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elif match['type'] == 'mat3x4':
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print(f''' {{
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.location = {match['location']},
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.binding = 0,
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.format = VK_FORMAT_R32G32B32A32_SFLOAT,
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@ -157,10 +142,8 @@ f''' {{
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.format = VK_FORMAT_R32G32B32A32_SFLOAT,
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.offset = G_STRUCT_OFFSET({struct_name}, {match['name']}) + sizeof (float) * 8,
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}},''')
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case "mat4":
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print(
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f''' {{
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elif match['type'] == 'mat4':
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print(f''' {{
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.location = {match['location']},
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.binding = 0,
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.format = VK_FORMAT_R32G32B32A32_SFLOAT,
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@ -184,9 +167,8 @@ f''' {{
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.format = VK_FORMAT_R32G32B32A32_SFLOAT,
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.offset = G_STRUCT_OFFSET({struct_name}, {match['name']}) + sizeof (float) * 12,
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}},''')
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case _:
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raise Exception(f"Don't know what a {match['type']} is")
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else:
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raise Exception(f"Don't know what a {match['type']} is")
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print(" },")
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print("};")
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