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Diffstat (limited to '')
| -rw-r--r-- | src/tsv.zig | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/src/tsv.zig b/src/tsv.zig index fb5db96..6381998 100644 --- a/src/tsv.zig +++ b/src/tsv.zig @@ -174,27 +174,29 @@ pub const TSVOutput = struct { output: Output, config: *const Config, - fn update(output: *Output, texture_id: c.GLuint) bool { + fn update(output: *Output, fbo: gl.FramebufferObject, fresh: bool) !?bool { const self: *TSVOutput = @fieldParentPtr("output", output); - var fbo: c.GLint = undefined; - c.glGetIntegerv(c.GL_DRAW_FRAMEBUFFER_BINDING, &fbo); + if (fresh) { + var prev_fbo: c.GLint = undefined; + c.glGetIntegerv(c.GL_DRAW_FRAMEBUFFER_BINDING, &prev_fbo); - switch (c.gl_client_send_image( - get_or_init_client(), - self.config.name, - texture_id, - c.GL_TEXTURE_2D, - false, - @intCast(fbo), - null, - )) { - 1 => {}, - 0 => std.debug.print("tsv send: no remote image\n", .{}), - else => |e| std.debug.print("tsv send: error {}\n", .{e}), + switch (c.gl_client_send_image( + get_or_init_client(), + self.config.name, + fbo.texture_id, + c.GL_TEXTURE_2D, + false, + @intCast(prev_fbo), + null, + )) { + 1 => {}, + 0 => std.debug.print("tsv send: no remote image\n", .{}), + else => |e| std.debug.print("tsv send: error {}\n", .{e}), + } } - return false; + return null; } fn destroy(output: *Output, allocator: std.mem.Allocator) void { |