gg,sokol,stbi,gx,fontstash: cleanup for -Wimpure-v

2023-08-10 21:13:21 +03:00 · 2021-08-12 22:31:04 +03:00
parent 8fbd8f790d
commit 576664e31f
26 changed files with 753 additions and 736 deletions
--- a/vlib/sokol/gfx/gfx_structs.c.v
+++ b/vlib/sokol/gfx/gfx_structs.c.v
@@ -0,0 +1,535 @@
+module gfx
+
+pub struct C.sg_desc {
+	_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
+	context            C.sg_context_desc
+	/*
+	// GL specific
+    gl_force_gles2 bool
+    // Metal-specific
+    mtl_device voidptr
+    mtl_renderpass_descriptor_cb fn() voidptr
+    mtl_drawable_cb fn() voidptr
+    mtl_global_uniform_buffer_size int
+    mtl_sampler_cache_size int
+    // D3D11-specific
+    d3d11_device voidptr
+    d3d11_device_context voidptr
+    d3d11_render_target_view_cb fn() voidptr
+    d3d11_depth_stencil_view_cb fn() voidptr
+	*/
+	_end_canary u32
+}
+
+pub struct C.sg_context_desc {
+	/*
+	sg_pixel_format color_format;
+    sg_pixel_format depth_format;
+    int sample_count;
+    sg_wgpu_context_desc wgpu;
+	*/
+	sample_count int
+	gl           C.sg_gl_context_desc
+	metal        C.sg_metal_context_desc
+	d3d11        C.sg_d3d11_context_desc
+	color_format PixelFormat
+	depth_format PixelFormat
+}
+
+pub struct C.sg_gl_context_desc {
+	force_gles2 bool
+}
+
+pub struct C.sg_metal_context_desc {
+	device                   voidptr
+	renderpass_descriptor_cb fn () voidptr
+	drawable_cb              fn () voidptr
+}
+
+pub struct C.sg_d3d11_context_desc {
+	device                voidptr
+	device_context        voidptr
+	render_target_view_cb fn () voidptr
+	depth_stencil_view_cb fn () voidptr
+}
+
+pub struct C.sg_color_state {
+pub mut:
+	pixel_format PixelFormat
+	write_mask   ColorMask
+	blend        C.sg_blend_state
+}
+
+pub struct C.sg_pipeline_desc {
+pub mut:
+	_start_canary             u32
+	shader                    C.sg_shader
+	layout                    C.sg_layout_desc
+	depth                     C.sg_depth_state
+	stencil                   C.sg_stencil_state
+	color_count               int
+	colors                    [4]C.sg_color_state // C.SG_MAX_COLOR_ATTACHMENTS
+	primitive_type            PrimitiveType
+	index_type                IndexType
+	cull_mode                 CullMode
+	face_winding              FaceWinding
+	sample_count              int
+	blend_color               C.sg_color
+	alpha_to_coverage_enabled bool
+	label                     &char = &char(0)
+	_end_canary               u32
+}
+
+pub struct C.sg_pipeline_info {
+}
+
+pub struct C.sg_pipeline {
+pub:
+	id u32
+}
+
+pub fn (p C.sg_pipeline) free() {
+	C.sg_destroy_pipeline(p)
+}
+
+pub struct C.sg_bindings {
+pub mut:
+	_start_canary         u32
+	vertex_buffers        [8]C.sg_buffer
+	vertex_buffer_offsets [8]int
+	index_buffer          C.sg_buffer
+	index_buffer_offset   int
+	vs_images             [8]C.sg_image
+	fs_images             [8]C.sg_image
+	_end_canary           u32
+}
+
+pub fn (mut b C.sg_bindings) set_vert_image(index int, img C.sg_image) {
+	b.vs_images[index] = img
+}
+
+pub fn (mut b C.sg_bindings) set_frag_image(index int, img C.sg_image) {
+	b.fs_images[index] = img
+}
+
+pub fn (b &C.sg_bindings) update_vert_buffer(index int, data voidptr, element_size int, element_count int) {
+	range := C.sg_range{
+		ptr: data
+		size: size_t(element_size * element_count)
+	}
+	C.sg_update_buffer(b.vertex_buffers[index], &range)
+}
+
+pub fn (b &C.sg_bindings) append_vert_buffer(index int, data voidptr, element_size int, element_count int) int {
+	range := C.sg_range{
+		ptr: data
+		size: size_t(element_size * element_count)
+	}
+	return C.sg_append_buffer(b.vertex_buffers[index], &range)
+}
+
+pub fn (b &C.sg_bindings) update_index_buffer(data voidptr, element_size int, element_count int) {
+	range := C.sg_range{
+		ptr: data
+		size: size_t(element_size * element_count)
+	}
+	C.sg_update_buffer(b.index_buffer, &range)
+}
+
+pub fn (b &C.sg_bindings) append_index_buffer(data voidptr, element_size int, element_count int) int {
+	range := C.sg_range{
+		ptr: data
+		size: size_t(element_size * element_count)
+	}
+	return C.sg_append_buffer(b.index_buffer, &range)
+}
+
+[heap]
+pub struct C.sg_shader_desc {
+pub mut:
+	_start_canary u32
+	attrs         [16]C.sg_shader_attr_desc
+	vs            C.sg_shader_stage_desc
+	fs            C.sg_shader_stage_desc
+	label         &char
+	_end_canary   u32
+}
+
+pub fn (mut desc C.sg_shader_desc) set_vert_src(src string) &C.sg_shader_desc {
+	desc.vs.source = &char(src.str)
+	return desc
+}
+
+pub fn (mut desc C.sg_shader_desc) set_frag_src(src string) &C.sg_shader_desc {
+	desc.fs.source = &char(src.str)
+	return desc
+}
+
+pub fn (mut desc C.sg_shader_desc) set_vert_image(index int, name string) &C.sg_shader_desc {
+	desc.vs.images[index].name = &char(name.str)
+	desc.vs.images[index].image_type = ._2d
+	return desc
+}
+
+pub fn (mut desc C.sg_shader_desc) set_frag_image(index int, name string) &C.sg_shader_desc {
+	desc.fs.images[index].name = &char(name.str)
+	desc.fs.images[index].image_type = ._2d
+	return desc
+}
+
+pub fn (mut desc C.sg_shader_desc) set_vert_uniform_block_size(block_index int, size size_t) &C.sg_shader_desc {
+	desc.vs.uniform_blocks[block_index].size = size
+	return desc
+}
+
+pub fn (mut desc C.sg_shader_desc) set_frag_uniform_block_size(block_index int, size size_t) &C.sg_shader_desc {
+	desc.fs.uniform_blocks[block_index].size = size
+	return desc
+}
+
+pub fn (mut desc C.sg_shader_desc) set_vert_uniform(block_index int, uniform_index int, name string, @type UniformType, array_count int) &C.sg_shader_desc {
+	desc.vs.uniform_blocks[block_index].uniforms[uniform_index].name = &char(name.str)
+	desc.vs.uniform_blocks[block_index].uniforms[uniform_index].@type = @type
+	return desc
+}
+
+pub fn (mut desc C.sg_shader_desc) set_frag_uniform(block_index int, uniform_index int, name string, @type UniformType, array_count int) &C.sg_shader_desc {
+	desc.fs.uniform_blocks[block_index].uniforms[uniform_index].name = &char(name.str)
+	desc.fs.uniform_blocks[block_index].uniforms[uniform_index].@type = @type
+	return desc
+}
+
+pub fn (desc &C.sg_shader_desc) make_shader() C.sg_shader {
+	return C.sg_make_shader(desc)
+}
+
+pub struct C.sg_shader_attr_desc {
+pub mut:
+	name      &char // GLSL vertex attribute name (only required for GLES2)
+	sem_name  &char // HLSL semantic name
+	sem_index int   // HLSL semantic index
+}
+
+pub struct C.sg_shader_stage_desc {
+pub mut:
+	source         &char
+	bytecode       C.sg_range
+	entry          &char
+	uniform_blocks [4]C.sg_shader_uniform_block_desc
+	images         [12]C.sg_shader_image_desc
+}
+
+pub fn (mut desc C.sg_shader_stage_desc) set_image(index int, name string) C.sg_shader_stage_desc {
+	desc.images[index].name = &char(name.str)
+	desc.images[index].image_type = ._2d
+	return *desc
+}
+
+pub struct C.sg_shader_uniform_block_desc {
+pub mut:
+	size     size_t
+	uniforms [16]C.sg_shader_uniform_desc
+}
+
+pub struct C.sg_shader_uniform_desc {
+pub mut:
+	name        &char
+	@type       UniformType
+	array_count int
+}
+
+pub struct C.sg_shader_image_desc {
+pub mut:
+	name       &char
+	image_type ImageType
+}
+
+pub struct C.sg_shader_info {
+}
+
+pub struct C.sg_context {
+	id u32
+}
+
+pub struct C.sg_range {
+pub mut:
+	ptr  voidptr
+	size size_t
+}
+
+pub struct C.sg_color {
+pub mut:
+	r f32
+	g f32
+	b f32
+	a f32
+}
+
+pub struct C.sg_shader {
+pub:
+	id u32
+}
+
+pub fn (s C.sg_shader) free() {
+	C.sg_destroy_shader(s)
+}
+
+pub struct C.sg_pass_desc {
+pub mut:
+	_start_canary            u32
+	color_attachments        [4]C.sg_pass_attachment_desc
+	depth_stencil_attachment C.sg_pass_attachment_desc
+	label                    &char
+	_end_canary              u32
+}
+
+pub struct C.sg_pass_info {
+	info C.sg_slot_info
+}
+
+pub struct C.sg_pass_action {
+pub mut:
+	_start_canary u32
+	colors        [4]C.sg_color_attachment_action
+	depth         C.sg_depth_attachment_action
+	stencil       C.sg_stencil_attachment_action
+	_end_canary   u32
+}
+
+pub struct C.sg_pass {
+	id u32
+}
+
+pub fn (p C.sg_pass) free() {
+	C.sg_destroy_pass(p)
+}
+
+pub struct C.sg_buffer_desc {
+pub mut:
+	_start_canary u32
+	size          size_t
+	@type         BufferType
+	usage         Usage
+	data          C.sg_range
+	label         &char
+	// GL specific
+	gl_buffers [2]u32
+	// Metal specific
+	mtl_buffers [2]voidptr
+	// D3D11 specific
+	d3d11_buffer voidptr
+	_end_canary  u32
+}
+
+pub struct C.sg_buffer_info {
+}
+
+pub struct C.sg_buffer {
+	id u32
+}
+
+pub fn (b C.sg_buffer) free() {
+	C.sg_destroy_buffer(b)
+}
+
+pub struct DepthLayers {
+	depth  int
+	layers int
+}
+
+pub 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           C.sg_image_data
+	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
+}
+
+pub struct C.sg_image_info {
+pub mut:
+	slot            C.sg_slot_info // 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
+}
+
+pub struct C.sg_image {
+pub:
+	id u32
+}
+
+pub fn (i C.sg_image) free() {
+	C.sg_destroy_image(i)
+}
+
+pub const sg_cubeface_num = 6
+
+pub const sg_max_mipmaps = 16
+
+pub struct C.sg_image_data {
+pub mut:
+	subimage [sg_cubeface_num][sg_max_mipmaps]C.sg_range
+}
+
+pub struct C.sg_features {
+pub:
+	instancing                  bool // hardware instancing supported
+	origin_top_left             bool // framebuffer and texture origin is in top left corner
+	multiple_render_targets     bool // offscreen render passes can have multiple render targets attached
+	msaa_render_targets         bool // offscreen render passes support MSAA antialiasing
+	imagetype_3d                bool // creation of SG_IMAGETYPE_3D images is supported
+	imagetype_array             bool // creation of SG_IMAGETYPE_ARRAY images is supported
+	image_clamp_to_border       bool // border color and clamp-to-border UV-wrap mode is supported
+	mrt_independent_blend_state bool // multiple-render-target rendering can use per-render-target blend state
+	mrt_independent_write_mask  bool // multiple-render-target rendering can use per-render-target color write masks
+}
+
+pub 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)
+}
+
+pub struct C.sg_layout_desc {
+pub mut:
+	buffers [8]C.sg_buffer_layout_desc
+	attrs   [16]C.sg_vertex_attr_desc
+}
+
+pub struct C.sg_buffer_layout_desc {
+pub mut:
+	stride    int
+	step_func VertexStep
+	step_rate int
+}
+
+pub struct C.sg_vertex_attr_desc {
+pub mut:
+	buffer_index int
+	offset       int
+	format       VertexFormat
+}
+
+pub struct C.sg_stencil_state {
+	enabled    bool
+	front      C.sg_stencil_face_state
+	back       C.sg_stencil_face_state
+	read_mask  byte
+	write_mask byte
+	ref        byte
+}
+
+pub struct C.sg_depth_state {
+	pixel_format     PixelFormat
+	compare          CompareFunc
+	write_enabled    bool
+	bias             f32
+	bias_slope_scale f32
+	bias_clamp       f32
+}
+
+pub struct C.sg_stencil_face_state {
+	fail_op       StencilOp
+	depth_fail_op StencilOp
+	pass_op       StencilOp
+	compare_func  CompareFunc
+}
+
+pub struct C.sg_blend_state {
+pub mut:
+	enabled          bool
+	src_factor_rgb   BlendFactor
+	dst_factor_rgb   BlendFactor
+	op_rgb           BlendOp
+	src_factor_alpha BlendFactor
+	dst_factor_alpha BlendFactor
+	op_alpha         BlendOp
+}
+
+pub struct C.sg_color_attachment_action {
+pub mut:
+	action Action
+	value  C.sg_color
+}
+
+/*
+pub fn (mut action C.sg_color_attachment_action) set_color_values(r, g, b, a f32) {
+    action.val[0] = r
+    action.val[1] = g
+    action.val[2] = b
+    action.val[3] = a
+}
+*/
+pub struct C.sg_depth_attachment_action {
+pub mut:
+	action Action
+	value  f32
+}
+
+pub struct C.sg_stencil_attachment_action {
+pub mut:
+	action Action
+	value  byte
+}
+
+pub 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
+}
+
+pub struct C.sg_pass_attachment_desc {
+pub mut:
+	image     C.sg_image
+	mip_level int
+	face      int
+	// image sg_image
+	// mip_level int
+	// union {
+	// face int
+	// layer int
+	// slice int
+	// }
+}