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use super::*; use super::errors::*; #[derive(Debug, Copy, Clone, PartialEq, Eq)] pub struct FramebufferId(u32); pub const DEFAULT_FRAMEBUFFER_ID: FramebufferId = FramebufferId(0); impl From<FramebufferId> for u32 { fn from(framebuffer_id: FramebufferId) -> Self { framebuffer_id.0 } } #[derive(Debug, Copy, Clone, PartialEq, Eq)] pub enum FramebufferTarget { DrawFramebuffer, ReadFramebuffer, Framebuffer, } impl From<FramebufferTarget> for gl::types::GLenum { fn from(framebuffer_target: FramebufferTarget) -> Self { match framebuffer_target { FramebufferTarget::DrawFramebuffer => gl::DRAW_FRAMEBUFFER, FramebufferTarget::ReadFramebuffer => gl::READ_FRAMEBUFFER, FramebufferTarget::Framebuffer => gl::FRAMEBUFFER, } } } #[derive(Debug, Copy, Clone, PartialEq, Eq)] pub enum FramebufferDrawBuffer { None, Front, FrontBack, FrontLeft, FrontRight, Back, BackLeft, BackRight, ColorAttachment0, ColorAttachment1, ColorAttachment2, ColorAttachment3, ColorAttachment4, ColorAttachment5, ColorAttachment6, ColorAttachment7, } impl From<FramebufferDrawBuffer> for gl::types::GLenum { fn from(framebuffer_target: FramebufferDrawBuffer) -> Self { match framebuffer_target { FramebufferDrawBuffer::Front => gl::FRONT, FramebufferDrawBuffer::Back => gl::BACK, FramebufferDrawBuffer::FrontBack => gl::FRONT_AND_BACK, FramebufferDrawBuffer::None => gl::NONE, FramebufferDrawBuffer::FrontLeft => gl::FRONT_LEFT, FramebufferDrawBuffer::FrontRight => gl::FRONT_RIGHT, FramebufferDrawBuffer::BackLeft => gl::BACK_LEFT, FramebufferDrawBuffer::BackRight => gl::BACK_RIGHT, FramebufferDrawBuffer::ColorAttachment0 => gl::COLOR_ATTACHMENT0, FramebufferDrawBuffer::ColorAttachment1 => gl::COLOR_ATTACHMENT1, FramebufferDrawBuffer::ColorAttachment2 => gl::COLOR_ATTACHMENT2, FramebufferDrawBuffer::ColorAttachment3 => gl::COLOR_ATTACHMENT3, FramebufferDrawBuffer::ColorAttachment4 => gl::COLOR_ATTACHMENT4, FramebufferDrawBuffer::ColorAttachment5 => gl::COLOR_ATTACHMENT5, FramebufferDrawBuffer::ColorAttachment6 => gl::COLOR_ATTACHMENT6, FramebufferDrawBuffer::ColorAttachment7 => gl::COLOR_ATTACHMENT7, } } } #[derive(Debug, Copy, Clone, PartialEq, Eq)] pub enum FramebufferCompleteness { Complete, Undefined, IncompleteAttachment, IncompleteMissingAttachment, IncompleteDrawBuffer, IncompleteReadBuffer, Unsupported, IncompleteMultisample, IncompleteLayerTargets, Unknown, } impl From<FramebufferCompleteness> for gl::types::GLenum { fn from(completeness: FramebufferCompleteness) -> Self { match completeness { FramebufferCompleteness::Complete => gl::FRAMEBUFFER_COMPLETE, FramebufferCompleteness::Undefined => gl::FRAMEBUFFER_UNDEFINED, FramebufferCompleteness::IncompleteAttachment => gl::FRAMEBUFFER_INCOMPLETE_ATTACHMENT, FramebufferCompleteness::IncompleteMissingAttachment => { gl::FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT } FramebufferCompleteness::IncompleteDrawBuffer => gl::FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER, FramebufferCompleteness::IncompleteReadBuffer => gl::FRAMEBUFFER_INCOMPLETE_READ_BUFFER, FramebufferCompleteness::Unsupported => gl::FRAMEBUFFER_UNSUPPORTED, FramebufferCompleteness::IncompleteMultisample => { gl::FRAMEBUFFER_INCOMPLETE_MULTISAMPLE } FramebufferCompleteness::IncompleteLayerTargets => { gl::FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS } FramebufferCompleteness::Unknown => 0, } } } #[derive(Debug, Copy, Clone, PartialEq, Eq)] pub enum FramebufferAttachment { DepthAttachment, StencilAttachment, DepthStencilAttachment, ColorAttachment0, ColorAttachment1, ColorAttachment2, ColorAttachment3, ColorAttachment4, ColorAttachment5, ColorAttachment6, ColorAttachment7, } impl From<FramebufferAttachment> for gl::types::GLenum { fn from(framebuffer_attachment: FramebufferAttachment) -> Self { match framebuffer_attachment { FramebufferAttachment::DepthAttachment => gl::DEPTH_ATTACHMENT, FramebufferAttachment::StencilAttachment => gl::STENCIL_ATTACHMENT, FramebufferAttachment::DepthStencilAttachment => gl::DEPTH_STENCIL_ATTACHMENT, FramebufferAttachment::ColorAttachment0 => gl::COLOR_ATTACHMENT0, FramebufferAttachment::ColorAttachment1 => gl::COLOR_ATTACHMENT1, FramebufferAttachment::ColorAttachment2 => gl::COLOR_ATTACHMENT2, FramebufferAttachment::ColorAttachment3 => gl::COLOR_ATTACHMENT3, FramebufferAttachment::ColorAttachment4 => gl::COLOR_ATTACHMENT4, FramebufferAttachment::ColorAttachment5 => gl::COLOR_ATTACHMENT5, FramebufferAttachment::ColorAttachment6 => gl::COLOR_ATTACHMENT6, FramebufferAttachment::ColorAttachment7 => gl::COLOR_ATTACHMENT7, } } } #[derive(Debug, Copy, Clone, PartialEq, Eq)] pub enum ClearBuffers { None, Color, Depth, Stencil, ColorDepth, ColorStencil, DepthStencil, ColorDepthStencil, } impl From<ClearBuffers> for gl::types::GLenum { fn from(buffers: ClearBuffers) -> Self { match buffers { ClearBuffers::None => 0, ClearBuffers::Color => gl::COLOR_BUFFER_BIT, ClearBuffers::Depth => gl::DEPTH_BUFFER_BIT, ClearBuffers::Stencil => gl::STENCIL_BUFFER_BIT, ClearBuffers::ColorDepth => gl::COLOR_BUFFER_BIT | gl::DEPTH_BUFFER_BIT, ClearBuffers::ColorStencil => gl::COLOR_BUFFER_BIT | gl::STENCIL_BUFFER_BIT, ClearBuffers::DepthStencil => gl::DEPTH_BUFFER_BIT | gl::STENCIL_BUFFER_BIT, ClearBuffers::ColorDepthStencil => { gl::COLOR_BUFFER_BIT | gl::DEPTH_BUFFER_BIT | gl::STENCIL_BUFFER_BIT } } } } #[derive(Debug, Copy, Clone, PartialEq, Eq)] pub enum FramebufferParameter { DefaultWidth, DefaultHeight, DefaultLayers, DefaultSamples, DefaultFixedSampleLocations, } impl From<FramebufferParameter> for gl::types::GLenum { fn from(parameter: FramebufferParameter) -> Self { match parameter { FramebufferParameter::DefaultWidth => gl::FRAMEBUFFER_DEFAULT_WIDTH, FramebufferParameter::DefaultHeight => gl::FRAMEBUFFER_DEFAULT_HEIGHT, FramebufferParameter::DefaultLayers => gl::FRAMEBUFFER_DEFAULT_LAYERS, FramebufferParameter::DefaultSamples => gl::FRAMEBUFFER_DEFAULT_SAMPLES, FramebufferParameter::DefaultFixedSampleLocations => { gl::FRAMEBUFFER_DEFAULT_FIXED_SAMPLE_LOCATIONS } } } } pub unsafe fn clear(buffers: ClearBuffers) { gl::Clear(buffers.into()); } pub unsafe fn create_framebuffer() -> FramebufferId { let mut framebuffer_id: u32 = 0; let framebuffer_id_ptr: *mut u32 = &mut framebuffer_id; gl::CreateFramebuffers(1, framebuffer_id_ptr); FramebufferId(framebuffer_id) } pub unsafe fn delete_framebuffer(id: FramebufferId) { gl::DeleteFramebuffers(1, &id.into()); } pub unsafe fn bind_framebuffer( target: FramebufferTarget, framebuffer_id: FramebufferId, ) -> Result<()> { gl::BindFramebuffer(target.into(), framebuffer_id.into()); get_error(()) } pub unsafe fn named_framebuffer_draw_buffer( id: FramebufferId, buffer: FramebufferDrawBuffer, ) -> Result<()> { gl::NamedFramebufferDrawBuffer(id.into(), buffer.into()); get_error(()) } pub unsafe fn named_framebuffer_draw_buffers( id: FramebufferId, buffers: &[FramebufferDrawBuffer], ) -> Result<()> { let gl_buffers: Vec<gl::types::GLenum> = buffers.iter().map(|b| (*b).into()).collect::<_>(); let gl_buffers_ptr: *const u32 = gl_buffers.as_ptr(); gl::NamedFramebufferDrawBuffers(id.into(), buffers.len() as i32, gl_buffers_ptr); get_error(()) } pub unsafe fn named_framebuffer_texture( id: FramebufferId, attachment: FramebufferAttachment, texture: TextureId, level: u32, ) -> Result<()> { gl::NamedFramebufferTexture(id.into(), attachment.into(), texture.into(), level as i32); get_error(()) } pub unsafe fn named_framebuffer_texture_layer( id: FramebufferId, attachment: FramebufferAttachment, texture: TextureId, level: u32, layer: u32, ) -> Result<()> { gl::NamedFramebufferTextureLayer( id.into(), attachment.into(), texture.into(), level as i32, layer as i32, ); get_error(()) } pub unsafe fn check_named_framebuffer_status( id: FramebufferId, target: FramebufferTarget, ) -> Result<FramebufferCompleteness> { let result: gl::types::GLenum = gl::CheckNamedFramebufferStatus(id.into(), target.into()); get_error(match result { gl::FRAMEBUFFER_COMPLETE => FramebufferCompleteness::Complete, gl::FRAMEBUFFER_UNDEFINED => FramebufferCompleteness::Undefined, gl::FRAMEBUFFER_INCOMPLETE_ATTACHMENT => FramebufferCompleteness::IncompleteAttachment, gl::FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT => { FramebufferCompleteness::IncompleteMissingAttachment } gl::FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER => FramebufferCompleteness::IncompleteDrawBuffer, gl::FRAMEBUFFER_INCOMPLETE_READ_BUFFER => FramebufferCompleteness::IncompleteReadBuffer, gl::FRAMEBUFFER_UNSUPPORTED => FramebufferCompleteness::Unsupported, gl::FRAMEBUFFER_INCOMPLETE_MULTISAMPLE => FramebufferCompleteness::IncompleteMultisample, gl::FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS => FramebufferCompleteness::IncompleteLayerTargets, _ => FramebufferCompleteness::Unknown, }) } pub unsafe fn framebuffer_parameter( id: FramebufferId, parameter: FramebufferParameter, value: u32, ) -> Result<()> { gl::NamedFramebufferParameteri(id.into(), parameter.into(), value as i32); get_error(()) }