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const std = @import("std");
const c = @import("c.zig").c;
const testlib = @import("test.zig");
pub const Shader = opaque {
pub fn create(input: *const c.glslang_input_t) !*Shader {
if (c.glslang_shader_create(input)) |ptr| return @ptrCast(ptr);
return error.OutOfMemory;
}
pub fn delete(self: *Shader) void {
c.glslang_shader_delete(@ptrCast(self));
}
pub fn preprocess(self: *Shader, input: *const c.glslang_input_t) !void {
if (c.glslang_shader_preprocess(@ptrCast(self), input) == 0)
return error.GlslangFailed;
}
pub fn parse(self: *Shader, input: *const c.glslang_input_t) !void {
if (c.glslang_shader_parse(@ptrCast(self), input) == 0)
return error.GlslangFailed;
}
pub fn getInfoLog(self: *Shader) ![:0]const u8 {
const ptr = c.glslang_shader_get_info_log(@ptrCast(self));
return std.mem.sliceTo(ptr, 0);
}
pub fn getDebugInfoLog(self: *Shader) ![:0]const u8 {
const ptr = c.glslang_shader_get_info_debug_log(@ptrCast(self));
return std.mem.sliceTo(ptr, 0);
}
};
test {
const input: c.glslang_input_t = .{
.language = c.GLSLANG_SOURCE_GLSL,
.stage = c.GLSLANG_STAGE_FRAGMENT,
.client = c.GLSLANG_CLIENT_VULKAN,
.client_version = c.GLSLANG_TARGET_VULKAN_1_2,
.target_language = c.GLSLANG_TARGET_SPV,
.target_language_version = c.GLSLANG_TARGET_SPV_1_5,
.code = @embedFile("test/simple.frag"),
.default_version = 100,
.default_profile = c.GLSLANG_NO_PROFILE,
.force_default_version_and_profile = 0,
.forward_compatible = 0,
.messages = c.GLSLANG_MSG_DEFAULT_BIT,
.resource = c.glslang_default_resource(),
};
try testlib.ensureInit();
const shader = try Shader.create(&input);
defer shader.delete();
try shader.preprocess(&input);
try shader.parse(&input);
}
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