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ash

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float

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stream

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fxhash

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encoder.rs factory.rs lib.rs shade.rs slice.rs

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gfx_descriptor

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heaps

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block.rs lib.rs mapping.rs memory.rs stats.rs usage.rs

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glium

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buffer

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context

capabilities.rs extensions.rs mod.rs state.rs

draw_parameters

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framebuffer

default_fb.rs mod.rs render_buffer.rs

index

buffer.rs mod.rs multidraw.rs

ops

blit.rs clear.rs draw.rs mod.rs read.rs

program

binary_header.rs compute.rs mod.rs program.rs raw.rs reflection.rs shader.rs uniforms_storage.rs

texture

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uniforms

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utils

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vertex

buffer.rs format.rs mod.rs transform_feedback.rs

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glutin

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osmesa

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glutin_egl_sys

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bfloat

binary16

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hibitset

iter

drain.rs mod.rs

atomic.rs lib.rs ops.rs util.rs

inplace_it

guards

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alloc_array.rs fixed_array.rs lib.rs

input

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libc

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libloading

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linked_hash_map

lock_api

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log

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maybe_uninit

memchr

x86

avx.rs mod.rs sse2.rs

fallback.rs iter.rs lib.rs naive.rs

memmap

memoffset

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miniz_oxide

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inflate

core.rs mod.rs output_buffer.rs stream.rs

lib.rs shared.rs

mio

mio_extras

channel.rs lib.rs timer.rs

naga

back

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front

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proc

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arena.rs lib.rs

net2

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nom

bits

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branch

macros.rs mod.rs

bytes

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character

complete.rs macros.rs mod.rs streaming.rs

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macros.rs mod.rs

multi

macros.rs mod.rs

number

complete.rs macros.rs mod.rs streaming.rs

sequence

macros.rs mod.rs

error.rs internal.rs lib.rs methods.rs str.rs traits.rs util.rs whitespace.rs

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num_complex

cast.rs lib.rs pow.rs

num_cpus

lib.rs linux.rs

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num_iter

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object

once_cell

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ordered_float

ordermap

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osmesa_sys

owned_ttf_parser

convert.rs lib.rs owned.rs

parking_lot

condvar.rs deadlock.rs elision.rs lib.rs mutex.rs once.rs raw_mutex.rs raw_rwlock.rs remutex.rs rwlock.rs util.rs

parking_lot_core

thread_parker

linux.rs mod.rs

lib.rs parking_lot.rs spinwait.rs util.rs word_lock.rs

percent_encoding

petgraph

pin_project

pin_project_internal

pin_project

attribute.rs derive.rs mod.rs

lib.rs pinned_drop.rs project.rs utils.rs

pin_project_lite

pin_utils

lib.rs projection.rs stack_pin.rs

ppv_lite86

x86_64

lib.rs soft.rs types.rs

proc_macro2

detection.rs fallback.rs lib.rs marker.rs parse.rs wrapper.rs

proc_macro_hack

error.rs iter.rs lib.rs parse.rs quote.rs

proc_macro_nested

quote

ext.rs format.rs ident_fragment.rs lib.rs runtime.rs spanned.rs to_tokens.rs

rand

rand_chacha

chacha.rs guts.rs lib.rs

rand_core

block.rs error.rs impls.rs le.rs lib.rs os.rs

raw_window_handle

read_color

relevant

rendy

rendy_chain

chain

schedule

family.rs mod.rs queue.rs submission.rs

collect.rs lib.rs node.rs resource.rs sync.rs

rendy_command

buffer

encoder.rs level.rs mod.rs reset.rs state.rs submit.rs usage.rs

family

mod.rs queue.rs submission.rs

capability.rs fence.rs lib.rs pool.rs

rendy_core

types

mod.rs vertex.rs

backend.rs casts.rs features.rs lib.rs slow.rs wrap.rs

rendy_descriptor

allocator.rs lib.rs ranges.rs

rendy_factory

barriers.rs blitter.rs config.rs factory.rs lib.rs upload.rs

rendy_frame

cirque

command.rs mod.rs

frame.rs lib.rs

rendy_graph

graph

node

render

group

mod.rs simple.rs

mod.rs present.rs

rendy_init

rendy_memory

allocator

dedicated.rs dynamic.rs linear.rs mod.rs

heaps

heap.rs memory_type.rs mod.rs

mapping

mod.rs range.rs write.rs

block.rs lib.rs memory.rs usage.rs util.rs utilization.rs

rendy_mesh

format.rs lib.rs mesh.rs

rendy_resource

sampler

cache.rs mod.rs

buffer.rs escape.rs image.rs lib.rs resources.rs set.rs

rendy_shader

rendy_texture

format.rs lib.rs pixel.rs texture.rs

rendy_wsi

rustc_demangle

legacy.rs lib.rs v0.rs

rustc_hash

rusttype

ryu

buffer

pretty

exponent.rs mantissa.rs mod.rs

common.rs d2s.rs d2s_full_table.rs d2s_intrinsics.rs digit_table.rs f2s.rs f2s_intrinsics.rs lib.rs

same_file

scoped_tls

scopeguard

serde

de

from_primitive.rs ignored_any.rs impls.rs mod.rs utf8.rs value.rs

private

de.rs macros.rs mod.rs ser.rs

ser

fmt.rs impls.rs impossible.rs mod.rs

export.rs integer128.rs lib.rs macros.rs

serde_derive

internals

ast.rs attr.rs case.rs check.rs ctxt.rs mod.rs symbol.rs

bound.rs de.rs dummy.rs fragment.rs lib.rs pretend.rs ser.rs try.rs

serde_json

features_check

io

value

de.rs from.rs index.rs mod.rs partial_eq.rs ser.rs

de.rs error.rs iter.rs lib.rs macros.rs map.rs number.rs read.rs ser.rs

shaderc

shaderc_sys

shared_library

dynamic_library.rs lib.rs

slab

smallvec

smithay_client_toolkit

data_device

data_device.rs data_offer.rs data_source.rs mod.rs

keyboard

ffi.rs keysyms.rs mod.rs

pointer

mod.rs theme.rs

shell

mod.rs wl.rs xdg.rs zxdg.rs

utils

mempool.rs mod.rs

window

basic_frame.rs concept_frame.rs mod.rs

env.rs lib.rs output.rs surface.rs

smithay_clipboard

lib.rs threaded.rs

spirv_headers

autogen_spirv.rs lib.rs

stb_truetype

syn

takeable_option

texture

thiserror

aserror.rs display.rs lib.rs

thiserror_impl

ast.rs attr.rs expand.rs fmt.rs lib.rs prop.rs valid.rs

thread_profiler

time

display.rs duration.rs lib.rs parse.rs sys.rs

tracing

dispatcher.rs field.rs instrument.rs level_filters.rs lib.rs macros.rs span.rs stdlib.rs subscriber.rs

tracing_core

callsite.rs dispatcher.rs event.rs field.rs lib.rs metadata.rs parent.rs span.rs stdlib.rs subscriber.rs

ttf_parser

typed_arena

unicode_xid

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vecmath

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viewport

vk_sys

void

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command_buffer

descriptor

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pipeline_layout

empty.rs limits_check.rs mod.rs runtime_desc.rs sys.rs traits.rs tweaks.rs union.rs

descriptor.rs mod.rs

device

extensions.rs mod.rs

framebuffer

attachments_list.rs compat_atch.rs desc.rs empty.rs framebuffer.rs macros.rs mod.rs sys.rs traits.rs

image

attachment.rs immutable.rs layout.rs mod.rs storage.rs swapchain.rs sys.rs traits.rs usage.rs

instance

debug.rs extensions.rs instance.rs layers.rs limits.rs loader.rs mod.rs

memory

pool

host_visible.rs mod.rs non_host_visible.rs pool.rs

device_memory.rs mod.rs

pipeline

query

swapchain

capabilities.rs display.rs mod.rs present_region.rs surface.rs swapchain.rs

sync

future

fence_signal.rs join.rs mod.rs now.rs semaphore_signal.rs

event.rs fence.rs mod.rs pipeline.rs semaphore.rs

extensions.rs features.rs format.rs lib.rs sampler.rs version.rs

vulkano_shaders

codegen.rs descriptor_sets.rs entry_point.rs enums.rs lib.rs parse.rs spec_consts.rs spirv_search.rs structs.rs

walkdir

dent.rs error.rs lib.rs util.rs

wayland_client

native_lib

display.rs event_queue.rs mod.rs proxy.rs

cursor.rs display.rs event_queue.rs globals.rs lib.rs proxy.rs sinks.rs

wayland_commons

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wayland_cursor

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wayland_sys

client.rs common.rs egl.rs lib.rs server.rs

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direct.rs mod.rs native_gpu_future.rs

util

lib.rs macros.rs

wgpu_core

wgpu_types

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platform

desktop.rs mod.rs unix.rs

platform_impl

linux

wayland

event_loop

mod.rs proxy.rs sink.rs state.rs

seat

keyboard

handlers.rs keymap.rs mod.rs

pointer

data.rs handlers.rs mod.rs

text_input

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touch

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window

env.rs mod.rs output.rs

x11

dpi.rs error.rs event.rs event_loop.rs icon.rs lib.rs monitor.rs window.rs

x11

dpms.rs glx.rs internal.rs keysym.rs lib.rs link.rs xcursor.rs xf86vmode.rs xfixes.rs xft.rs xinerama.rs xinput.rs xinput2.rs xlib.rs xlib_xcb.rs xmd.rs xmu.rs xrandr.rs xrecord.rs xrender.rs xss.rs xt.rs xtest.rs

x11_clipboard

error.rs lib.rs run.rs

x11_dl

dpms.rs error.rs glx.rs internal.rs keysym.rs lib.rs link.rs xcursor.rs xf86vmode.rs xfixes.rs xft.rs xinerama.rs xinput.rs xinput2.rs xlib.rs xlib_xcb.rs xmd.rs xmu.rs xrandr.rs xrecord.rs xrender.rs xss.rs xt.rs xtest.rs

xcb

ffi

xcursor

lib.rs parser.rs

xdg

xml

use program::raw::RawProgram;


const MASK_HAS_TESS_EVAL: u8 = 0b00000001;
const MASK_HAS_TESS_CONTROL: u8 = 0b00000010;
const MASK_HAS_GEOMETRY: u8 = 0b00000100;

/// Glium attaches internal information to a binary to be able to fully restore the program.
pub fn attach_glium_header(raw: &RawProgram, data: &mut Vec<u8>) {
    let mut header_byte = 0u8;
    if raw.has_tessellation_evaluation_shader() {
        header_byte = header_byte ^ MASK_HAS_TESS_EVAL;
    }
    if raw.has_tessellation_control_shader() {
        header_byte = header_byte ^ MASK_HAS_TESS_CONTROL;
    }
    if raw.has_geometry_shader() {
        header_byte = header_byte ^ MASK_HAS_GEOMETRY;
    }
    // TODO kind of inefficient.
    data.reserve(1);
    data.insert(0, header_byte);
}

/// Reads the first byte of the data (=glium header) and returns the corresponding shader flags.
/// If the header is not valid, returns None.
pub fn process_glium_header(data: &[u8]) -> Option<(bool, bool, bool)> {
    let header_byte = data[0];
    if header_byte >> 3 == 0 {
        let has_geometry_shader =                (header_byte & MASK_HAS_GEOMETRY) != 0;
        let has_tessellation_control_shader =    (header_byte & MASK_HAS_TESS_CONTROL) != 0;
        let has_tessellation_evaluation_shader = (header_byte & MASK_HAS_TESS_EVAL) != 0;
        Some((has_geometry_shader, has_tessellation_control_shader, has_tessellation_evaluation_shader))
    } else {
        None
    }
}