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bitflags::bitflags! {
/// Flags to specify set of pipeline stages.
#[cfg_attr(feature = "serde-1", derive(serde::Serialize, serde::Deserialize))]
pub struct PipelineStages: u32 {
/// Pseudo-stage that precedes all other stages and doesn't execute any commands.
/// Using it in first scope of dependency will
/// not cause any waiting, because no operations should be waited upon.
/// Using it in second scope will make all operations in second scope to wait for operations first scope.
const TOP_OF_PIPE = 0x00000001;
/// Stage at which indirect draw buffer is read.
const DRAW_INDIRECT = 0x00000002;
/// Stage at which vertex buffers are read.
const VERTEX_INPUT = 0x00000004;
/// Stage at which vertex shader is executed.
const VERTEX_SHADER = 0x00000008;
/// Stage at which tessellation control shader is executed.
const TESSELLATION_CONTROL_SHADER = 0x00000010;
/// Stage at which tessellation evaluation shader is executed.
const TESSELLATION_EVALUATION_SHADER = 0x00000020;
/// Stage at which geometry shader is executed.
const GEOMETRY_SHADER = 0x00000040;
/// Stage at which early fragment depth and stencil test is performed
/// before fragment shader execution.
const EARLY_FRAGMENT_TESTS = 0x00000100;
/// Stage at which fragment shader is executed.
const FRAGMENT_SHADER = 0x00000080;
/// Stage at which late fragment depth and stencil test is performed
/// after fragment shader execution.
const LATE_FRAGMENT_TESTS = 0x00000200;
/// Stage at which color output of fragment shader is written
/// and multi-sample resolve operation happens.
const COLOR_ATTACHMENT_OUTPUT = 0x00000400;
/// Stage at which compute shader is executed.
const COMPUTE_SHADER = 0x00000800;
/// Stage at which transfer commands (Copy, Blit etc) are executed.
const TRANSFER = 0x00001000;
/// Pseudo-stage that follows all other stages and doesn't execute any commands.
/// Using it in first scope will make operations in second scope to wait for all operations first scope.
/// Using it in second scope of dependency will
/// not cause any waiting, because no operations should be waited upon.
const BOTTOM_OF_PIPE = 0x00002000;
/// Pseudo-stage at which HOST access to resources is performed.
/// It has very limited use because command submission creates
/// memory dependency between host access and device operations.
const HOST = 0x00004000;
/// Flag that can be used instead of specifying all graphics stages
/// including those from enabled extensions.
const ALL_GRAPHICS = 0x00008000;
/// Flag that can be used instead of specifying all compute stages
/// including those from enabled extensions.
const ALL_COMMANDS = 0x00010000;
/// Stage at which ray-tracing pipeline is executed.
const RAY_TRACING_SHADER = 0x00200000;
/// Stage at which acceleration structures are built.
const ACCELERATION_STRUCTURE_BUILD = 0x02000000;
}
}
/// Enum to specify one pipeline stage.
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
#[cfg_attr(feature = "serde-1", derive(serde::Serialize, serde::Deserialize))]
pub enum PipelineStage {
/// Pseudo-stage that precedes all other stages and doesn't execute any commands.
/// Using it in first scope of dependency will
/// not cause any waiting, because no operations should be waited upon.
/// Using it in second scope will make all operations in second scope to wait for operations first scope.
TopOfPipe,
/// Stage at which indirect draw buffer is read.
DrawIndirect,
/// Stage at which vertex buffers are read.
VertexInput,
/// Stage at which vertex shader is executed.
VertexShader,
//,
//,
//,
/// Stage at which early fragment depth and stencil test is performed
/// before fragment shader execution.
EarlyFragmentTests,
/// Stage at which fragment shader is executed.
FragmentShader,
/// Stage at which late fragment depth and stencil test is performed
/// after fragment shader execution.
LateFragmentTests,
/// Stage at which color output of fragment shader is written
/// and multi-sample resolve operation happens.
ColorAttachmentOutput,
/// Stage at which compute shader is executed.
ComputeShader,
/// Stage at which transfer commands (Copy, Blit etc) are executed.
Transfer,
/// Pseudo-stage that follows all other stages and doesn't execute any commands.
/// Using it in first scope will make operations in second scope to wait for all operations first scope.
/// Using it in second scope of dependency will
/// not cause any waiting, because no operations should be waited upon.
BottomOfPipe,
/// Pseudo-stage at which HOST access to resources is performed.
/// It has very limited use because command submission creates
/// memory dependency between host access and device operations.
Host,
/// Stage at which ray-tracing pipeline is executed.
RayTracingShader,
/// Stage at which acceleration structures are built.
AccelerationStructureBuild,
}