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Added missing OpenGL 1.5 buffer functions to wrapper #26

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Merged
merged 2 commits into from
Nov 6, 2025
Merged

Added missing OpenGL 1.5 buffer functions to wrapper #26

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558c070
Added missing OpenGL 1.5 buffer functions to wrapper
LukaTD Nov 4, 2025
51a1ab1
Used a slice to represent size and data parameters of getBufferSubData
LukaTD Nov 6, 2025
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77 changes: 77 additions & 0 deletions src/wrapper.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -1231,6 +1231,43 @@ pub fn Wrap(comptime bindings: anytype) type {
uniform_buffer = UNIFORM_BUFFER,
};

pub const Access = enum(Enum) {
//--------------------------------------------------------------------------------------
// OpenGL 1.5 (Core Profile)
//--------------------------------------------------------------------------------------
read_only = READ_ONLY,
write_only = WRITE_ONLY,
read_write = READ_WRITE,
};

pub const BufferParameter = enum(Enum) {
//--------------------------------------------------------------------------------------
// OpenGL 1.5 (Core Profile)
//--------------------------------------------------------------------------------------
buffer_size = BUFFER_SIZE,
buffer_usage = BUFFER_USAGE,
buffer_access = BUFFER_ACCESS,
buffer_mapped = BUFFER_MAPPED,
//--------------------------------------------------------------------------------------
// OpenGL 3.0 (Core Profile)
//--------------------------------------------------------------------------------------
buffer_access_flags = BUFFER_ACCESS_FLAGS,
buffer_map_offset = BUFFER_MAP_OFFSET,
buffer_map_length = BUFFER_MAP_LENGTH,
//--------------------------------------------------------------------------------------
// OpenGL 4.4 (Core Profile)
//--------------------------------------------------------------------------------------
buffer_immutable_storage = BUFFER_IMMUTABLE_STORAGE,
buffer_storage_flags = BUFFER_STORAGE_FLAGS,
};

pub const BufferPointerParameter = enum(Enum) {
//--------------------------------------------------------------------------------------
// OpenGL 1.5 (Core Profile)
//--------------------------------------------------------------------------------------
buffer_map_pointer = BUFFER_MAP_POINTER,
};

pub const IndexedBufferTarget = enum(Enum) {
//--------------------------------------------------------------------------------------
// OpenGL 3.0 (Core Profile)
Expand Down Expand Up @@ -2614,6 +2651,9 @@ pub fn Wrap(comptime bindings: anytype) type {
}

// pub var isBuffer: *const fn (buffer: Uint) callconv(.c) Boolean = undefined;
pub fn isBuffer(buffer: Buffer) bool {
return bindings.isBuffer(@intFromEnum(buffer)) == TRUE;
}

// pub var bufferData: *const fn (
// target: Enum,
Expand Down Expand Up @@ -2656,14 +2696,51 @@ pub fn Wrap(comptime bindings: anytype) type {
// size: Sizeiptr,
// data: ?*anyopaque,
// ) callconv(.c) void = undefined;
pub fn getBufferSubData(
target: BufferTarget,
offset: usize,
data: []u8,
) void {
bindings.getBufferSubData(
@intFromEnum(target),
@as(Intptr, @bitCast(offset)),
@as(Sizeiptr, @bitCast(data.len)),
data.ptr,
);
}

// pub var mapBuffer: *const fn (target: Enum, access: Enum) callconv(.c) ?*anyopaque = undefined;
pub fn mapBuffer(target: BufferTarget, access: Access) ?[*]u8 {
return @ptrCast(bindings.mapBuffer(@intFromEnum(target), @intFromEnum(access)));
}

// pub var unmapBuffer: *const fn (target: Enum) callconv(.c) Boolean = undefined;
pub fn unmapBuffer(target: BufferTarget) bool {
return bindings.unmapBuffer(@intFromEnum(target)) == TRUE;
}

// pub var getBufferParameteriv: *const fn (target: Enum, pname: Enum, params: [*c]Int) callconv(.c) void = undefined;
pub fn getBufferParameteriv(target: BufferTarget, pname: BufferParameter, params: []i32) void {
bindings.getBufferParameteriv(
@intFromEnum(target),
@intFromEnum(pname),
@as([*c]Int, @ptrCast(params.ptr)),
);
}

// pub var getBufferPointerv: *const fn (
// target: Enum,
// pname: Enum,
// params: [*c]?*anyopaque,
// ) callconv(.c) void = undefined;
pub fn getBufferPointerv(target: BufferTarget, pname: BufferPointerParameter, params: *?[*]u8) void {
bindings.getBufferPointerv(
@intFromEnum(target),
@intFromEnum(pname),
@as([*c]?*anyopaque, @ptrCast(params)),
);
}

//------------------------------------------------------------------------------------------
//
// OpenGL 2.0 (Core Profile)
Expand Down
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