sokol.gfx #

fn activate_context(ctx_id Context)

fn append_buffer(buf Buffer, data &Range) int

fn apply_bindings(bindings &Bindings)

fn apply_pipeline(pip Pipeline)

fn apply_scissor_rect(x int, y int, width int, height int, origin_top_left bool)

fn apply_uniforms(stage ShaderStage, ub_index int, data &Range)

fn apply_viewport(x int, y int, width int, height int, origin_top_left bool)

fn begin_default_pass(actions &PassAction, width int, height int)

rendering functions

fn begin_pass(pass Pass, actions &PassAction)

fn commit()

fn create_clear_pass(r f32, g f32, b f32, a f32) PassAction

fn destroy_buffer(buf Buffer)

fn destroy_image(img Image)

fn destroy_pass(pass Pass)

fn destroy_pipeline(pip Pipeline)

fn destroy_shader(shd Shader)

fn discard_context(ctx_id Context)

fn draw(base_element int, num_elements int, num_instances int)

fn end_pass()

fn is_valid() bool

fn make_buffer(desc &BufferDesc) Buffer

resource creation, destruction and updating

fn make_image(desc &ImageDesc) Image

fn make_pass(desc &PassDesc) Pass

fn make_pipeline(desc &PipelineDesc) Pipeline

fn make_shader(desc &ShaderDesc) Shader

fn query_backend() Backend

fn query_buffer_defaults(desc &Buffer) BufferDesc

get resource creation desc struct with their default values replaced

fn query_buffer_info(buf Buffer) BufferInfo

get runtime information about a resource

fn query_buffer_overflow(buf Buffer) bool

fn query_buffer_state(buf Buffer) ResourceState

get current state of a resource (INITIAL, ALLOC, VALID, FAILED, INVALID)

fn query_desc() Desc

getting information

fn query_features() Features

fn query_image_defaults(desc &Image) ImageDesc

fn query_image_info(img Image) ImageInfo

fn query_image_state(img Image) ResourceState

fn query_limits() Limits

fn query_pass_defaults(desc &Pass) PassDesc

fn query_pass_info(pass Pass) PassInfo

fn query_pass_state(pass Pass) ResourceState

fn query_pipeline_defaults(desc &Pipeline) PipelineDesc

fn query_pipeline_info(pip Pipeline) PipelineInfo

fn query_pipeline_state(pip Pipeline) ResourceState

fn query_pixelformat(fmt PixelFormat) PixelFormatInfo

fn query_shader_defaults(desc &Shader) ShaderDesc

fn query_shader_info(shd Shader) ShaderInfo

fn query_shader_state(shd Shader) ResourceState

fn reset_state_cache()

fn setup(desc &Desc)

setup initialises the SOKOL's gfx library, based on the information passed in desc

fn setup_context() Context

rendering contexts (optional)

fn shutdown()

shutdown tells the SOKOL's gfx library to shutdown, and release the resources it is using

fn update_buffer(buf Buffer, data &Range)

fn update_image(img Image, data &ImageData)

type Bindings = C.sg_bindings

fn (mut b Bindings) set_vert_image(index int, img Image)

fn (mut b Bindings) set_frag_image(index int, img Image)

fn (b &Bindings) update_vert_buffer(index int, data voidptr, element_size int, element_count int)

fn (b &Bindings) append_vert_buffer(index int, data voidptr, element_size int, element_count int) int

fn (b &Bindings) update_index_buffer(data voidptr, element_size int, element_count int)

fn (b &Bindings) append_index_buffer(data voidptr, element_size int, element_count int) int

type BlendState = C.sg_blend_state

type Buffer = C.sg_buffer

fn (mut b Buffer) free()

type BufferDesc = C.sg_buffer_desc

type BufferInfo = C.sg_buffer_info

type BufferLayoutDesc = C.sg_buffer_layout_desc

fn (mut p C.sg_pipeline) free()

fn (mut desc C.sg_shader_desc) set_vert_src(src string) &ShaderDesc

fn (mut desc C.sg_shader_desc) set_frag_src(src string) &ShaderDesc

fn (mut desc C.sg_shader_desc) set_vert_image(index int, name string) &ShaderDesc

fn (mut desc C.sg_shader_desc) set_frag_image(index int, name string) &ShaderDesc

fn (mut desc C.sg_shader_desc) set_vert_uniform_block_size(block_index int, size usize) &ShaderDesc

fn (mut desc C.sg_shader_desc) set_frag_uniform_block_size(block_index int, size usize) &ShaderDesc

fn (mut desc C.sg_shader_desc) set_vert_uniform(block_index int, uniform_index int, name string, @type UniformType, array_count int) &ShaderDesc

fn (mut desc C.sg_shader_desc) set_frag_uniform(block_index int, uniform_index int, name string, @type UniformType, array_count int) &ShaderDesc

type Color = C.sg_color

type ColorAttachmentAction = C.sg_color_attachment_action

type ColorState = C.sg_color_state

type Context = C.sg_context

type ContextDesc = C.sg_context_desc

type D3D11ContextDesc = C.sg_d3d11_context_desc

type DepthAttachmentAction = C.sg_depth_attachment_action

type DepthState = C.sg_depth_state

type Desc = C.sg_desc

type Features = C.sg_features

type GLContextDesc = C.sg_gl_context_desc

type Image = C.sg_image

fn (mut i Image) free()

type ImageData = C.sg_image_data

type ImageDesc = C.sg_image_desc

type ImageInfo = C.sg_image_info

type LayoutDesc = C.sg_layout_desc

type Limits = C.sg_limits

type MetalContextDesc = C.sg_metal_context_desc

type Pass = C.sg_pass

fn (mut p Pass) free()

type PassAction = C.sg_pass_action

type PassAttachmentDesc = C.sg_pass_attachment_desc

type PassDesc = C.sg_pass_desc

type PassInfo = C.sg_pass_info

type Pipeline = C.sg_pipeline

type PipelineDesc = C.sg_pipeline_desc

type PipelineInfo = C.sg_pipeline_info

type PixelFormatInfo = C.sg_pixelformat_info

type Range = C.sg_range

type Shader = C.sg_shader

fn (mut s Shader) free()

type ShaderAttrDesc = C.sg_shader_attr_desc

type ShaderDesc = C.sg_shader_desc

fn (desc &ShaderDesc) make_shader() Shader

type ShaderImageDesc = C.sg_shader_image_desc

type ShaderInfo = C.sg_shader_info

type ShaderStageDesc = C.sg_shader_stage_desc

fn (mut desc ShaderStageDesc) set_image(index int, name string) ShaderStageDesc

type ShaderUniformBlockDesc = C.sg_shader_uniform_block_desc

type ShaderUniformDesc = C.sg_shader_uniform_desc

type SlotInfo = C.sg_slot_info

type StencilAttachmentAction = C.sg_stencil_attachment_action

type StencilFaceState = C.sg_stencil_face_state

type StencilState = C.sg_stencil_state

type VertexAttrDesc = C.sg_vertex_attr_desc

enum Action {
	_default
	clear
	load
	dontcare
	_num
}

enum Backend {
	glcore33
	gles2
	gles3
	d3d11
	metal_ios
	metal_macos
	metal_simulator
	dummy
}

enum BlendFactor {
	_default // value 0 reserved for default-init
	zero
	one
	src_color
	one_minus_src_color
	src_alpha
	one_minus_src_alpha
	dst_color
	one_minus_dst_color
	dst_alpha
	one_minus_dst_alpha
	src_alpha_saturated
	blend_color
	one_minus_blend_color
	blend_alpha
	one_minus_blend_alpha
	_num
}

enum BlendOp {
	_default // value 0 reserved for default-init
	add
	subtract
	reverse_subtract
	_num
}

enum BorderColor {
	_default // value 0 reserved for default-init
	transparent_black
	opaque_black
	opaque_white
	_num
}

enum BufferType {
	_default // value 0 reserved for default-init
	vertexbuffer
	indexbuffer
	_num
}

enum ColorMask {
	_default = 0 // value 0 reserved for default-init
	@none = 0x10 // special value for 'all channels disabled
	r = 1
	g = 2
	b = 4
	a = 8
	rgb = 0x7
	rgba = 0xF
}

enum CompareFunc {
	_default // value 0 reserved for default-init
	never
	less
	equal
	less_equal
	greater
	not_equal
	greater_equal
	always
	_num
}

enum CubeFace as u32 {
	pos_x
	neg_x
	pos_y
	neg_y
	pos_z
	neg_z
	num
	_force_u32 = 0x7fffffff
}

enum CullMode {
	_default // value 0 reserved for default-init
	@none
	front
	back
	_num
}

enum FaceWinding {
	_facewinding_default // value 0 reserved for default-init
	facewinding_ccw
	facewinding_cw
	_facewinding_num
}

FaceWindin is C.sg_face_winding

enum Filter {
	_default // value 0 reserved for default-init
	nearest
	linear
	nearest_mipmap_nearest
	nearest_mipmap_linear
	linear_mipmap_nearest
	linear_mipmap_linear
	_num
}

enum ImageType {
	_default // value 0 reserved for default-init
	_2d
	cube
	_3d
	array
	_num
}

enum IndexType {
	_default // value 0 reserved for default-init
	@none
	uint16
	uint32
	_num
}

enum PixelFormat {
	_default // value 0 reserved for default-init
	@none
	r8
	r8sn
	r8ui
	r8si
	r16
	r16sn
	r16ui
	r16si
	r16f
	rg8
	rg8sn
	rg8ui
	rg8si
	r32ui
	r32si
	r32f
	rg16
	rg16sn
	rg16ui
	rg16si
	rg16f
	rgba8
	rgba8sn
	rgba8ui
	rgba8si
	bgra8
	rgb10a2
	rg11b10f
	rg32ui
	rg32si
	rg32f
	rgba16
	rgba16sn
	rgba16ui
	rgba16si
	rgba16f
	rgba32ui
	rgba32si
	rgba32f
	depth
	depth_stencil
	bc1_rgba
	bc2_rgba
	bc3_rgba
	bc4_r
	bc4_rsn
	bc5_rg
	bc5_rgsn
	bc6h_rgbf
	bc6h_rgbuf
	bc7_rgba
	pvrtc_rgb_2bpp
	pvrtc_rgb_4bpp
	pvrtc_rgba_2bpp
	pvrtc_rgba_4bpp
	etc2_rgb8
	etc2_rgb8a1
	etc2_rgba8
	etc2_rg11
	etc2_rg11sn
	_num
}

PixelFormat is C.sg_pixel_format

enum PrimitiveType {
	_default // value 0 reserved for default-init
	points
	lines
	line_strip
	triangles
	triangle_strip
	_num
}

enum ResourceState {
	initial
	alloc
	valid
	failed
	invalid
}

enum ShaderStage {
	vs
	fs
}

enum StencilOp {
	_default // value 0 reserved for default-init
	keep
	zero
	replace
	incr_clamp
	decr_clamp
	invert
	incr_wrap
	decr_wrap
	_num
}

enum UniformLayout {
	uniformlayout_default = 0 // value 0 reserved for default-init
	uniformlayout_native // default: layout depends on currently active backend
	uniformlayout_std140 // std140: memory layout according to std140
	_num
}

enum UniformType {
	invalid
	float
	float2
	float3
	float4
	mat4
	_num
}

enum Usage {
	_default // value 0 reserved for default-init
	immutable
	dynamic
	stream
	_num
}

enum VertexFormat {
	invalid
	float
	float2
	float3
	float4
	byte4
	byte4n
	ubyte4
	ubyte4n
	short2
	short2n
	ushort2n
	short4
	short4n
	ushort4n
	uint10_n2
	_num
}

enum VertexStep {
	_default // value 0 reserved for default-init
	per_vertex
	per_instance
	_num
}

enum Wrap {
	_default // value 0 reserved for default-init
	repeat
	clamp_to_edge
	clamp_to_border
	mirrored_repeat
	_num
}

struct C.sg_allocator {
pub mut:
	alloc     memory.FnAllocatorAlloc
	free      memory.FnAllocatorFree
	user_data voidptr
}

struct C.sg_buffer_layout_desc {
pub mut:
	stride    int
	step_func VertexStep
	step_rate int
}

struct C.sg_depth_attachment_action {
pub mut:
	action Action
	value  f32
}

struct C.sg_desc {
pub mut:
	_start_canary        u32
	buffer_pool_size     int
	image_pool_size      int
	shader_pool_size     int
	pipeline_pool_size   int
	pass_pool_size       int
	context_pool_size    int
	uniform_buffer_size  int
	staging_buffer_size  int
	sampler_cache_size   int
	max_commit_listeners int
	disable_validation   bool // disable validation layer even in debug mode, useful for tests
//
	allocator C.sg_allocator
	logger    C.sg_logger
//
	context     ContextDesc
	_end_canary u32
}

C.sg_desc describes

struct C.sg_image {
pub:
	id u32
}

struct C.sg_image_data {
pub mut:
	subimage [sg_cubeface_num][sg_max_mipmaps]Range
}

struct C.sg_image_desc {
pub mut:
	_start_canary  u32
	@type          ImageType
	render_target  bool
	width          int
	height         int
	num_slices     int
	num_mipmaps    int
	usage          Usage
	pixel_format   PixelFormat
	sample_count   int
	min_filter     Filter
	mag_filter     Filter
	wrap_u         Wrap
	wrap_v         Wrap
	wrap_w         Wrap
	border_color   BorderColor
	max_anisotropy u32
	min_lod        f32
	max_lod        f32
	data           ImageData
	label          &char
// GL specific
	gl_textures       [2]u32
	gl_texture_target u32
// Metal specific
	mtl_textures [2]voidptr
// D3D11 specific
	d3d11_texture              voidptr
	d3d11_shader_resource_view voidptr
// WebGPU specific
	wgpu_texture voidptr
	_end_canary  u32
}

struct C.sg_image_info {
pub mut:
	slot            SlotInfo // resource pool slot info
	upd_frame_index u32      // frame index of last sg_update_image()
	num_slots       int      // number of renaming-slots for dynamically updated images
	active_slot     int      // currently active write-slot for dynamically updated images
}

struct C.sg_layout_desc {
pub mut:
	buffers [8]BufferLayoutDesc
	attrs   [16]VertexAttrDesc
}

struct C.sg_limits {
pub:
	max_image_size_2d      u32 // max width/height of SG_IMAGETYPE_2D images
	max_image_size_cube    u32 // max width/height of SG_IMAGETYPE_CUBE images
	max_image_size_3d      u32 // max width/height/depth of SG_IMAGETYPE_3D images
	max_image_size_array   u32 // max width/height pf SG_IMAGETYPE_ARRAY images
	max_image_array_layers u32 // max number of layers in SG_IMAGETYPE_ARRAY images
	max_vertex_attrs       u32 // <= SG_MAX_VERTEX_ATTRIBUTES (only on some GLES2 impls)
}

struct C.sg_logger {
pub mut:
	log_cb    memory.FnLogCb
	user_data voidptr
}

struct C.sg_pixelformat_info {
pub:
	sample bool // pixel format can be sampled in shaders
	filter bool // pixel format can be sampled with filtering
	render bool // pixel format can be used as render target
	blend  bool // alpha-blending is supported
	msaa   bool // pixel format can be used as MSAA render target
	depth  bool // pixel format is a depth format
}

struct C.sg_range {
pub mut:
	ptr  voidptr
	size usize
}

struct C.sg_stencil_attachment_action {
pub mut:
	action Action
	value  u8
}

struct C.sg_vertex_attr_desc {
pub mut:
	buffer_index int
	offset       int
	format       VertexFormat
}