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mirror of https://github.com/vlang/v.git synced 2023-08-10 21:13:21 +03:00

sokol and fontstash modules

This commit is contained in:
Alexander Medvednikov 2020-01-16 20:45:47 +01:00
parent cc606623bb
commit 62481e88f3
27 changed files with 31878 additions and 0 deletions

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examples/sokol/drawing.v Normal file
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import sokol
import sokol.sapp
import sokol.gfx
import sokol.sgl
import fontstash
struct AppState {
pass_action sg_pass_action
}
fn main() {
state := &AppState{
pass_action: gfx.create_clear_pass(0.1, 0.1, 0.1, 1.0)
}
desc := sapp_desc{
user_data: state
init_userdata_cb: init
frame_userdata_cb: frame
window_title: 'Sokal Drawing Template'.str
}
sapp.run(&desc)
}
fn init(user_data voidptr) {
desc := sg_desc {
mtl_device: C.sapp_metal_get_device()
mtl_renderpass_descriptor_cb: sapp_metal_get_renderpass_descriptor
mtl_drawable_cb: sapp_metal_get_drawable
d3d11_device: sapp_d3d11_get_device()
d3d11_device_context: sapp_d3d11_get_device_context()
d3d11_render_target_view_cb: sapp_d3d11_get_render_target_view
d3d11_depth_stencil_view_cb: sapp_d3d11_get_depth_stencil_view
}
gfx.setup(&desc)
sgl_desc := sgl_desc_t{}
sgl.setup(&sgl_desc)
}
fn frame(user_data voidptr) {
//println('frame')
state := &AppState(user_data)
draw()
gfx.begin_default_pass(&state.pass_action, sapp.width(), sapp.height())
sgl.draw()
gfx.end_pass()
gfx.commit()
}
fn draw() {
// first, reset and setup ortho projection
sgl.defaults()
sgl.matrix_mode_projection()
sgl.ortho(0.0, f32(sapp.width()), f32(sapp.height()), 0.0, -1.0, 1.0)
sgl.c4b(255, 0, 0, 128)
draw_hollow_rect(10, 10, 100, 30)
sgl.c4b(25, 150, 0, 128)
draw_filled_rect(10, 150, 80, 40)
//line(0, 0, 500, 500)
}
fn draw_hollow_rect(x, y, w, h f32) {
sgl.begin_line_strip()
sgl.v2f(x, y)
sgl.v2f(x + w, y)
sgl.v2f(x + w, y + h)
sgl.v2f(x, y + h)
sgl.v2f(x, y)
sgl.end()
}
fn draw_filled_rect(x, y, w, h f32) {
sgl.begin_quads()
sgl_v2f(x, y)
sgl_v2f(x + w, y)
sgl_v2f(x + w, y + h)
sgl_v2f(x, y + h)
sgl.end()
}

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import sokol
import sokol.sapp
import sokol.gfx
import sokol.sgl
import sokol.sfons
import fontstash
import os
import time
struct AppState {
mut:
pass_action C.sg_pass_action
fons &C.FONScontext
font_normal int
}
fn main() {
mut color_action := sg_color_attachment_action {
action: C.SG_ACTION_CLEAR
}
color_action.val[0] = 0.3
color_action.val[1] = 0.3
color_action.val[2] = 0.32
color_action.val[3] = 1.0
mut pass_action := sg_pass_action{}
pass_action.colors[0] = color_action
state := &AppState{
pass_action: pass_action
fons: &C.FONScontext(0)
}
desc := sapp_desc{
user_data: state
init_userdata_cb: init
frame_userdata_cb: frame
window_title: 'V Metal/GL Text Rendering'.str
}
sapp.run(&desc)
}
fn init(user_data voidptr) {
mut state := &AppState(user_data)
// dont actually alocate this on the heap in real life
gfx.setup(&sg_desc {
mtl_device: C.sapp_metal_get_device()
mtl_renderpass_descriptor_cb: sapp_metal_get_renderpass_descriptor
mtl_drawable_cb: sapp_metal_get_drawable
d3d11_device: sapp_d3d11_get_device()
d3d11_device_context: sapp_d3d11_get_device_context()
d3d11_render_target_view_cb: sapp_d3d11_get_render_target_view
d3d11_depth_stencil_view_cb: sapp_d3d11_get_depth_stencil_view
})
s := &C.sgl_desc_t{}
C.sgl_setup(s)
state.fons = C.sfons_create(512, 512, 1)
// or use DroidSerif-Regular.ttf
if bytes := os.read_bytes('assets/ProggyTiny.ttf') {
println('loaded font: $bytes.len')
state.font_normal = C.fonsAddFontMem(state.fons, "sans", bytes.data, bytes.len, false)
}
}
fn frame(user_data voidptr) {
t:=time.ticks()
mut state := &AppState(user_data)
state.render_font()
gfx.begin_default_pass(&state.pass_action, sapp_width(), sapp_height())
sgl.draw()
gfx.end_pass()
gfx.commit()
//println(time.ticks()-t)
}
fn (state &AppState) render_font() {
mut sx := 0.0
mut sy := 0.0
mut dx := 0.0
mut dy := 0.0
lh := 0.0
white := C.sfons_rgba(255, 255, 255, 255)
black := C.sfons_rgba(0, 0, 0, 255)
brown := C.sfons_rgba(192, 128, 0, 128)
blue := C.sfons_rgba(0, 192, 255, 255)
state.fons.clear_state()
sgl.defaults()
sgl.matrix_mode_projection()
sgl.ortho(0.0, f32(C.sapp_width()), f32(C.sapp_height()), 0.0, -1.0, 1.0)
sx = 0
sy = 50
dx = sx
dy = sy
state.fons.set_font(state.font_normal)
state.fons.set_size(100.0)
ascender := 0.0
descender := 0.0
state.fons.vert_metrics(&ascender, &descender, &lh)
dx = sx
dy += lh
C.fonsSetColor(state.fons, white)
dx = C.fonsDrawText(state.fons, dx, dy, c'The quick ', C.NULL)
fonsSetFont(state.fons, state.font_normal)
fonsSetSize(state.fons, 48.0)
fonsSetColor(state.fons, brown)
dx = fonsDrawText(state.fons, dx, dy, c"brown ", C.NULL)
fonsSetFont(state.fons, state.font_normal)
fonsSetSize(state.fons, 24.0)
fonsSetColor(state.fons, white)
dx = fonsDrawText(state.fons, dx, dy, c"fox ", C.NULL)
dx = sx
dy += lh * 1.2
fonsSetSize(state.fons, 20.0)
fonsSetFont(state.fons, state.font_normal)
fonsSetColor(state.fons, blue)
fonsDrawText(state.fons, dx, dy, c"Now is the time for all good men to come to the aid of the party.", C.NULL)
dx = 300
dy = 350
fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_BASELINE)
fonsSetSize(state.fons, 60.0)
fonsSetFont(state.fons, state.font_normal)
fonsSetColor(state.fons, white)
fonsSetSpacing(state.fons, 5.0)
fonsSetBlur(state.fons, 6.0)
fonsDrawText(state.fons, dx, dy, c"Blurry...", C.NULL)
dx = 300
dy += 50.0
fonsSetSize(state.fons, 28.0)
fonsSetFont(state.fons, state.font_normal)
fonsSetColor(state.fons, white)
fonsSetSpacing(state.fons, 0.0)
fonsSetBlur(state.fons, 3.0)
fonsDrawText(state.fons, dx,dy + 2, c"DROP SHADOW", C.NULL)
fonsSetColor(state.fons, black)
fonsSetBlur(state.fons, 0)
fonsDrawText(state.fons, dx,dy, c"DROP SHADOW", C.NULL)
fonsSetSize(state.fons, 18.0)
fonsSetFont(state.fons, state.font_normal)
fonsSetColor(state.fons, white)
dx = 50
dy = 350
line(dx-10,dy,dx+250,dy)
C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_TOP)
dx = C.fonsDrawText(state.fons, dx,dy, c"Top",C.NULL)
dx += 10
C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_MIDDLE)
dx = C.fonsDrawText(state.fons, dx,dy, c"Middle",C.NULL)
dx += 10
C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_BASELINE)
dx = C.fonsDrawText(state.fons, dx,dy, c"Baseline",C.NULL)
dx += 10
C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_BOTTOM)
C.fonsDrawText(state.fons, dx,dy, c"Bottom",C.NULL)
dx = 150
dy = 400
line(dx,dy-30,dx,dy+80.0)
C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_BASELINE)
C.fonsDrawText(state.fons, dx,dy, c"Left",C.NULL)
dy += 30
C.fonsSetAlign(state.fons, C.FONS_ALIGN_CENTER | C.FONS_ALIGN_BASELINE)
C.fonsDrawText(state.fons, dx,dy, c"Center",C.NULL)
dy += 30
C.fonsSetAlign(state.fons, C.FONS_ALIGN_RIGHT | C.FONS_ALIGN_BASELINE)
C.fonsDrawText(state.fons, dx,dy, c"Right",C.NULL)
C.sfons_flush(state.fons)
}
fn line(sx f32, sy f32, ex f32, ey f32) {
sgl.begin_lines()
sgl.c4b(255, 255, 0, 128)
sgl.v2f(sx, sy)
sgl.v2f(ex, ey)
sgl.end()
}

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import sokol
import sokol.sapp
import sokol.gfx
import sokol.sgl
import sokol.sfons
import fontstash
import os
import time
import filepath
#define FONS_USE_FREETYPE 1
struct AppState {
mut:
pass_action C.sg_pass_action
fons &C.FONScontext
font_normal int
}
fn main() {
mut color_action := sg_color_attachment_action {
action: C.SG_ACTION_CLEAR
}
color_action.val[0] = 0.3
color_action.val[1] = 0.3
color_action.val[2] = 0.32
color_action.val[3] = 1.0
mut pass_action := sg_pass_action{}
pass_action.colors[0] = color_action
state := &AppState{
pass_action: pass_action
fons: &C.FONScontext(0)
}
desc := sapp_desc{
user_data: state
init_userdata_cb: init
frame_userdata_cb: frame
window_title: 'V Metal/GL Text Rendering'.str
}
sapp.run(&desc)
}
fn init(user_data voidptr) {
mut state := &AppState(user_data)
// dont actually alocate this on the heap in real life
gfx.setup(&sg_desc {
mtl_device: C.sapp_metal_get_device()
mtl_renderpass_descriptor_cb: sapp_metal_get_renderpass_descriptor
mtl_drawable_cb: sapp_metal_get_drawable
d3d11_device: sapp_d3d11_get_device()
d3d11_device_context: sapp_d3d11_get_device_context()
d3d11_render_target_view_cb: sapp_d3d11_get_render_target_view
d3d11_depth_stencil_view_cb: sapp_d3d11_get_depth_stencil_view
})
s := &C.sgl_desc_t{}
C.sgl_setup(s)
state.fons = C.sfons_create(512, 512, 1)
//mut font_path := cfg.font_path
//if font_path == '' {
mut font_path := 'RobotoMono-Regular.ttf'
//}
if !os.exists(font_path) {
exe_path := os.executable()
exe_dir := filepath.basedir(exe_path)
font_path = filepath.basedir(exe_dir) + '/tetris/$font_path'
println(font_path)
}
if !os.exists(font_path) {
println('failed to load $font_path')
return
}
if bytes := os.read_bytes(font_path) {
println('loaded font: $bytes.len')
state.font_normal = C.fonsAddFontMem(state.fons, "sans", bytes.data, bytes.len, false)
}
}
fn frame(user_data voidptr) {
t:=time.ticks()
mut state := &AppState(user_data)
state.render_font()
gfx.begin_default_pass(&state.pass_action, sapp_width(), sapp_height())
sgl.draw()
gfx.end_pass()
gfx.commit()
//println(time.ticks()-t)
}
fn (state &AppState) render_font() {
mut sx := 0.0
mut sy := 0.0
mut dx := 0.0
mut dy := 0.0
lh := 0.0
white := C.sfons_rgba(255, 255, 255, 255)
black := C.sfons_rgba(0, 0, 0, 255)
brown := C.sfons_rgba(192, 128, 0, 128)
blue := C.sfons_rgba(0, 192, 255, 255)
state.fons.clear_state()
sgl.defaults()
sgl.matrix_mode_projection()
sgl.ortho(0.0, f32(C.sapp_width()), f32(C.sapp_height()), 0.0, -1.0, 1.0)
sx = 0
sy = 50
dx = sx
dy = sy
state.fons.set_font(state.font_normal)
state.fons.set_size(100.0)
ascender := 0.0
descender := 0.0
state.fons.vert_metrics(&ascender, &descender, &lh)
dx = sx
dy += lh
C.fonsSetColor(state.fons, white)
dx = C.fonsDrawText(state.fons, dx, dy, c'The quick ', C.NULL)
fonsSetFont(state.fons, state.font_normal)
fonsSetSize(state.fons, 48.0)
fonsSetColor(state.fons, brown)
dx = fonsDrawText(state.fons, dx, dy, c"brown ", C.NULL)
fonsSetFont(state.fons, state.font_normal)
fonsSetSize(state.fons, 24.0)
fonsSetColor(state.fons, white)
dx = fonsDrawText(state.fons, dx, dy, c"fox ", C.NULL)
dx = sx
dy += lh * 1.2
fonsSetSize(state.fons, 20.0)
fonsSetFont(state.fons, state.font_normal)
fonsSetColor(state.fons, blue)
fonsDrawText(state.fons, dx, dy, c"Now is the time for all good men to come to the aid of the party.", C.NULL)
dx = 300
dy = 350
fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_BASELINE)
fonsSetSize(state.fons, 60.0)
fonsSetFont(state.fons, state.font_normal)
fonsSetColor(state.fons, white)
fonsSetSpacing(state.fons, 5.0)
fonsSetBlur(state.fons, 6.0)
fonsDrawText(state.fons, dx, dy, c"Blurry...", C.NULL)
dx = 300
dy += 50.0
fonsSetSize(state.fons, 28.0)
fonsSetFont(state.fons, state.font_normal)
fonsSetColor(state.fons, white)
fonsSetSpacing(state.fons, 0.0)
fonsSetBlur(state.fons, 3.0)
fonsDrawText(state.fons, dx,dy + 2, c"DROP SHADOW", C.NULL)
fonsSetColor(state.fons, black)
fonsSetBlur(state.fons, 0)
fonsDrawText(state.fons, dx,dy, c"DROP SHADOW", C.NULL)
fonsSetSize(state.fons, 18.0)
fonsSetFont(state.fons, state.font_normal)
fonsSetColor(state.fons, white)
dx = 50
dy = 350
line(dx-10,dy,dx+250,dy)
C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_TOP)
dx = C.fonsDrawText(state.fons, dx,dy, c"Top",C.NULL)
dx += 10
C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_MIDDLE)
dx = C.fonsDrawText(state.fons, dx,dy, c"Middle",C.NULL)
dx += 10
C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_BASELINE)
dx = C.fonsDrawText(state.fons, dx,dy, c"Baseline",C.NULL)
dx += 10
C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_BOTTOM)
C.fonsDrawText(state.fons, dx,dy, c"Bottom",C.NULL)
dx = 150
dy = 400
line(dx,dy-30,dx,dy+80.0)
C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_BASELINE)
C.fonsDrawText(state.fons, dx,dy, c"Left",C.NULL)
dy += 30
C.fonsSetAlign(state.fons, C.FONS_ALIGN_CENTER | C.FONS_ALIGN_BASELINE)
C.fonsDrawText(state.fons, dx,dy, c"Center",C.NULL)
dy += 30
C.fonsSetAlign(state.fons, C.FONS_ALIGN_RIGHT | C.FONS_ALIGN_BASELINE)
C.fonsDrawText(state.fons, dx,dy, c"Right",C.NULL)
C.sfons_flush(state.fons)
}
fn line(sx f32, sy f32, ex f32, ey f32) {
sgl.begin_lines()
sgl.c4b(255, 255, 0, 128)
sgl.v2f(sx, sy)
sgl.v2f(ex, ey)
sgl.end()
}

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#ifndef SOKOL_FONTSTASH_INCLUDED
/*
sokol_fontstash.h -- renderer for https://github.com/memononen/fontstash
on top of sokol_gl.h
Project URL: https://github.com/floooh/sokol
Do this:
#define SOKOL_FONTSTASH_IMPL
before you include this file in *one* C or C++ file to create the
implementation.
The following defines are used by the implementation to select the
platform-specific embedded shader code (these are the same defines as
used by sokol_gfx.h and sokol_app.h):
SOKOL_GLCORE33
SOKOL_GLES2
SOKOL_GLES3
SOKOL_D3D11
SOKOL_METAL
...optionally provide the following macros to override defaults:
SOKOL_ASSERT(c) - your own assert macro (default: assert(c))
SOKOL_MALLOC(s) - your own malloc function (default: malloc(s))
SOKOL_FREE(p) - your own free function (default: free(p))
SOKOL_API_DECL - public function declaration prefix (default: extern)
SOKOL_API_IMPL - public function implementation prefix (default: -)
SOKOL_LOG(msg) - your own logging function (default: puts(msg))
SOKOL_UNREACHABLE() - a guard macro for unreachable code (default: assert(false))
Include the following headers before including sokol_fontstash.h:
sokol_gfx.h
Additionally include the following headers for including the sokol_fontstash.h
implementation:
sokol_gl.h
HOW TO
======
--- First initialize sokol-gfx and sokol-gl as usual:
sg_setup(&(sg_desc){...});
sgl_setup(&(sgl_desc){...});
--- Create at least one fontstash context with sfons_create() (this replaces
glfonsCreate() from fontstash.h's example GL renderer:
FONScontext* ctx = sfons_create(atlas_width, atlas_height, FONS_ZERO_TOPLEFT);
Each FONScontext manages one font atlas texture which can hold rasterized
glyphs for multiple fonts.
--- From here on, use fontstash.h's functions "as usual" to add TTF
font data and draw text. Note that (just like with sokol-gl), text
rendering can happen anywhere in the frame, not only inside
a sokol-gfx rendering pass.
--- You can use the helper function
uint32_t sfons_rgba(uint8_t r, uint8_t g, uint8_t b, uint8_t a)
To convert a 0..255 RGBA color into a packed uint32_t color value
expected by fontstash.h.
--- Once per frame before calling sgl_draw(), call:
sfons_flush(FONScontext* ctx)
...this will update the dynamic sokol-gfx texture with the latest font
atlas content.
--- To actually render the text (and any other sokol-gl draw commands),
call sgl_draw() inside a sokol-gfx frame.
--- NOTE that you can mix fontstash.h calls with sokol-gl calls to mix
text rendering with sokol-gl rendering. You can also use
sokol-gl's matrix stack to position fontstash.h text in 3D.
--- finally on application shutdown, call:
sfons_shutdown()
before sgl_shutdown() and sg_shutdown()
WHAT HAPPENS UNDER THE HOOD:
============================
sfons_create():
- creates a sokol-gfx shader compatible with sokol-gl
- creates an sgl_pipeline object with alpha-blending using
this shader
- creates a 1-byte-per-pixel font atlas texture via sokol-gfx
(pixel format SG_PIXELFORMAT_R8)
fonsDrawText():
- this will call the following sequence of sokol-gl functions:
sgl_enable_texture();
sgl_texture(...);
sgl_push_pipeline();
sgl_load_pipeline(...);
sgl_begin_triangles();
for each vertex:
sg_v2f_t2f_c1i(...);
sgl_end();
sgl_pop_pipeline();
sgl_disable_texture();
- note that sokol-gl will merge several sgl_*_begin/sgl_end pairs
into a single draw call if no relevant state has changed, typically
all calls to fonsDrawText() will be merged into a single draw call
as long as all calls use the same FONScontext
sfons_flush():
- this will call sg_update_image() on the font atlas texture
if fontstash.h has added any rasterized glyphs since the last
frame
sfons_shutdown():
- destroy the font atlas texture, sgl_pipeline and sg_shader objects
LICENSE
=======
zlib/libpng license
Copyright (c) 2018 Andre Weissflog
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the
use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software in a
product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not
be misrepresented as being the original software.
3. This notice may not be removed or altered from any source
distribution.
*/
#define SOKOL_FONTSTASH_INCLUDED (1)
#include <stdint.h>
#include <stdlib.h>
#if !defined(SOKOL_GFX_INCLUDED)
#error "Please include sokol_gfx.h before sokol_fontstash.h"
#endif
#ifndef SOKOL_API_DECL
#if defined(_WIN32) && defined(SOKOL_DLL) && defined(SOKOL_IMPL)
#define SOKOL_API_DECL __declspec(dllexport)
#elif defined(_WIN32) && defined(SOKOL_DLL)
#define SOKOL_API_DECL __declspec(dllimport)
#else
#define SOKOL_API_DECL extern
#endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
SOKOL_API_DECL FONScontext* sfons_create(int width, int height, int flags);
SOKOL_API_DECL void sfons_destroy(FONScontext* ctx);
SOKOL_API_DECL void sfons_flush(FONScontext* ctx);
SOKOL_API_DECL uint32_t sfons_rgba(uint8_t r, uint8_t g, uint8_t b, uint8_t a);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* SOKOL_FONTSTASH_INCLUDED */
/*-- IMPLEMENTATION ----------------------------------------------------------*/
#ifdef SOKOL_FONTSTASH_IMPL
#define SOKOL_FONTSTASH_IMPL_INCLUDED (1)
#include <string.h> /* memset, memcpy */
#if !defined(SOKOL_GL_INCLUDED)
#error "Please include sokol_gl.h before sokol_fontstash.h"
#endif
#if !defined(FONS_H)
#error "Please include fontstash.h before sokol_fontstash.h"
#endif
#ifndef SOKOL_API_IMPL
#define SOKOL_API_IMPL
#endif
#ifndef SOKOL_DEBUG
#ifndef NDEBUG
#define SOKOL_DEBUG (1)
#endif
#endif
#ifndef SOKOL_ASSERT
#include <assert.h>
#define SOKOL_ASSERT(c) assert(c)
#endif
#ifndef SOKOL_MALLOC
#include <stdlib.h>
#define SOKOL_MALLOC(s) malloc(s)
#define SOKOL_FREE(p) free(p)
#endif
#ifndef SOKOL_LOG
#ifdef SOKOL_DEBUG
#include <stdio.h>
#define SOKOL_LOG(s) { SOKOL_ASSERT(s); puts(s); }
#else
#define SOKOL_LOG(s)
#endif
#endif
#ifndef SOKOL_UNREACHABLE
#define SOKOL_UNREACHABLE SOKOL_ASSERT(false)
#endif
#if defined(SOKOL_GLCORE33)
static const char* _sfons_vs_src =
"#version 330\n"
"uniform mat4 mvp;\n"
"uniform mat4 tm;\n"
"in vec4 position;\n"
"in vec2 texcoord0;\n"
"in vec4 color0;\n"
"out vec4 uv;\n"
"out vec4 color;\n"
"void main() {\n"
" gl_Position = mvp * position;\n"
" uv = tm * vec4(texcoord0, 0.0, 1.0);\n"
" color = color0;\n"
"}\n";
static const char* _sfons_fs_src =
"#version 330\n"
"uniform sampler2D tex;\n"
"in vec4 uv;\n"
"in vec4 color;\n"
"out vec4 frag_color;\n"
"void main() {\n"
" frag_color = vec4(1.0, 1.0, 1.0, texture(tex, uv.xy).r) * color;\n"
"}\n";
#elif defined(SOKOL_GLES2) || defined(SOKOL_GLES3)
static const char* _sfons_vs_src =
"uniform mat4 mvp;\n"
"uniform mat4 tm;\n"
"attribute vec4 position;\n"
"attribute vec2 texcoord0;\n"
"attribute vec4 color0;\n"
"varying vec4 uv;\n"
"varying vec4 color;\n"
"void main() {\n"
" gl_Position = mvp * position;\n"
" uv = tm * vec4(texcoord0, 0.0, 1.0);\n"
" color = color0;\n"
"}\n";
static const char* _sfons_fs_src =
"precision mediump float;\n"
"uniform sampler2D tex;\n"
"varying vec4 uv;\n"
"varying vec4 color;\n"
"void main() {\n"
" gl_FragColor = vec4(1.0, 1.0, 1.0, texture2D(tex, uv.xy).r) * color;\n"
"}\n";
#elif defined(SOKOL_METAL)
static const char* _sfons_vs_src =
"#include <metal_stdlib>\n"
"using namespace metal;\n"
"struct params_t {\n"
" float4x4 mvp;\n"
" float4x4 tm;\n"
"};\n"
"struct vs_in {\n"
" float4 pos [[attribute(0)]];\n"
" float2 uv [[attribute(1)]];\n"
" float4 color [[attribute(2)]];\n"
"};\n"
"struct vs_out {\n"
" float4 pos [[position]];\n"
" float4 uv;\n"
" float4 color;\n"
"};\n"
"vertex vs_out _main(vs_in in [[stage_in]], constant params_t& params [[buffer(0)]]) {\n"
" vs_out out;\n"
" out.pos = params.mvp * in.pos;\n"
" out.uv = params.tm * float4(in.uv, 0.0, 1.0);\n"
" out.color = in.color;\n"
" return out;\n"
"}\n";
static const char* _sfons_fs_src =
"#include <metal_stdlib>\n"
"using namespace metal;\n"
"struct fs_in {\n"
" float4 uv;\n"
" float4 color;\n"
"};\n"
"fragment float4 _main(fs_in in [[stage_in]], texture2d<float> tex [[texture(0)]], sampler smp [[sampler(0)]]) {\n"
" return float4(1.0, 1.0, 1.0, tex.sample(smp, in.uv.xy).r) * in.color;\n"
"}\n";
#elif defined(SOKOL_D3D11)
/*
Shader blobs for D3D11, compiled with:
fxc.exe /T vs_4_0 /Fh vs.h /Gec /O3 vs.hlsl
fxc.exe /T ps_4_0 /Fh fs.h /Gec /O3 fs.hlsl
Vertex shader source:
cbuffer params: register(b0) {
float4x4 mvp;
float4x4 tm;
};
struct vs_in {
float4 pos: POSITION;
float2 uv: TEXCOORD0;
float4 color: COLOR0;
};
struct vs_out {
float4 uv: TEXCOORD0;
float4 color: COLOR0;
float4 pos: SV_Position;
};
vs_out main(vs_in inp) {
vs_out outp;
outp.pos = mul(mvp, inp.pos);
outp.uv = mul(tm, float4(inp.uv, 0.0, 1.0));
outp.color = inp.color;
return outp;
};
Pixel shader source:
Texture2D<float4> tex: register(t0);
sampler smp: register(s0);
float4 main(float4 uv: TEXCOORD0, float4 color: COLOR0): SV_Target0 {
return float4(1.0, 1.0, 1.0, tex.Sample(smp, uv.xy).r) * color;
}
*/
static const uint8_t _sfons_vs_bin[] = {
68, 88, 66, 67, 89, 173,
124, 225, 74, 102, 159, 55,
47, 64, 241, 32, 31, 107,
240, 204, 1, 0, 0, 0,
244, 3, 0, 0, 5, 0,
0, 0, 52, 0, 0, 0,
8, 1, 0, 0, 120, 1,
0, 0, 236, 1, 0, 0,
120, 3, 0, 0, 82, 68,
69, 70, 204, 0, 0, 0,
1, 0, 0, 0, 68, 0,
0, 0, 1, 0, 0, 0,
28, 0, 0, 0, 0, 4,
254, 255, 0, 17, 0, 0,
163, 0, 0, 0, 60, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0,
0, 0, 1, 0, 0, 0,
112, 97, 114, 97, 109, 115,
0, 171, 60, 0, 0, 0,
2, 0, 0, 0, 92, 0,
0, 0, 128, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 140, 0, 0, 0,
0, 0, 0, 0, 64, 0,
0, 0, 2, 0, 0, 0,
144, 0, 0, 0, 0, 0,
0, 0, 160, 0, 0, 0,
64, 0, 0, 0, 64, 0,
0, 0, 2, 0, 0, 0,
144, 0, 0, 0, 0, 0,
0, 0, 109, 118, 112, 0,
3, 0, 3, 0, 4, 0,
4, 0, 0, 0, 0, 0,
0, 0, 0, 0, 116, 109,
0, 77, 105, 99, 114, 111,
115, 111, 102, 116, 32, 40,
82, 41, 32, 72, 76, 83,
76, 32, 83, 104, 97, 100,
101, 114, 32, 67, 111, 109,
112, 105, 108, 101, 114, 32,
49, 48, 46, 49, 0, 171,
73, 83, 71, 78, 104, 0,
0, 0, 3, 0, 0, 0,
8, 0, 0, 0, 80, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 3, 0,
0, 0, 0, 0, 0, 0,
15, 15, 0, 0, 89, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 3, 0,
0, 0, 1, 0, 0, 0,
3, 3, 0, 0, 98, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 3, 0,
0, 0, 2, 0, 0, 0,
15, 15, 0, 0, 80, 79,
83, 73, 84, 73, 79, 78,
0, 84, 69, 88, 67, 79,
79, 82, 68, 0, 67, 79,
76, 79, 82, 0, 79, 83,
71, 78, 108, 0, 0, 0,
3, 0, 0, 0, 8, 0,
0, 0, 80, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 3, 0, 0, 0,
0, 0, 0, 0, 15, 0,
0, 0, 89, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 3, 0, 0, 0,
1, 0, 0, 0, 15, 0,
0, 0, 95, 0, 0, 0,
0, 0, 0, 0, 1, 0,
0, 0, 3, 0, 0, 0,
2, 0, 0, 0, 15, 0,
0, 0, 84, 69, 88, 67,
79, 79, 82, 68, 0, 67,
79, 76, 79, 82, 0, 83,
86, 95, 80, 111, 115, 105,
116, 105, 111, 110, 0, 171,
83, 72, 68, 82, 132, 1,
0, 0, 64, 0, 1, 0,
97, 0, 0, 0, 89, 0,
0, 4, 70, 142, 32, 0,
0, 0, 0, 0, 8, 0,
0, 0, 95, 0, 0, 3,
242, 16, 16, 0, 0, 0,
0, 0, 95, 0, 0, 3,
50, 16, 16, 0, 1, 0,
0, 0, 95, 0, 0, 3,
242, 16, 16, 0, 2, 0,
0, 0, 101, 0, 0, 3,
242, 32, 16, 0, 0, 0,
0, 0, 101, 0, 0, 3,
242, 32, 16, 0, 1, 0,
0, 0, 103, 0, 0, 4,
242, 32, 16, 0, 2, 0,
0, 0, 1, 0, 0, 0,
104, 0, 0, 2, 1, 0,
0, 0, 56, 0, 0, 8,
242, 0, 16, 0, 0, 0,
0, 0, 86, 21, 16, 0,
1, 0, 0, 0, 70, 142,
32, 0, 0, 0, 0, 0,
5, 0, 0, 0, 50, 0,
0, 10, 242, 0, 16, 0,
0, 0, 0, 0, 70, 142,
32, 0, 0, 0, 0, 0,
4, 0, 0, 0, 6, 16,
16, 0, 1, 0, 0, 0,
70, 14, 16, 0, 0, 0,
0, 0, 0, 0, 0, 8,
242, 32, 16, 0, 0, 0,
0, 0, 70, 14, 16, 0,
0, 0, 0, 0, 70, 142,
32, 0, 0, 0, 0, 0,
7, 0, 0, 0, 54, 0,
0, 5, 242, 32, 16, 0,
1, 0, 0, 0, 70, 30,
16, 0, 2, 0, 0, 0,
56, 0, 0, 8, 242, 0,
16, 0, 0, 0, 0, 0,
86, 21, 16, 0, 0, 0,
0, 0, 70, 142, 32, 0,
0, 0, 0, 0, 1, 0,
0, 0, 50, 0, 0, 10,
242, 0, 16, 0, 0, 0,
0, 0, 70, 142, 32, 0,
0, 0, 0, 0, 0, 0,
0, 0, 6, 16, 16, 0,
0, 0, 0, 0, 70, 14,
16, 0, 0, 0, 0, 0,
50, 0, 0, 10, 242, 0,
16, 0, 0, 0, 0, 0,
70, 142, 32, 0, 0, 0,
0, 0, 2, 0, 0, 0,
166, 26, 16, 0, 0, 0,
0, 0, 70, 14, 16, 0,
0, 0, 0, 0, 50, 0,
0, 10, 242, 32, 16, 0,
2, 0, 0, 0, 70, 142,
32, 0, 0, 0, 0, 0,
3, 0, 0, 0, 246, 31,
16, 0, 0, 0, 0, 0,
70, 14, 16, 0, 0, 0,
0, 0, 62, 0, 0, 1,
83, 84, 65, 84, 116, 0,
0, 0, 9, 0, 0, 0,
1, 0, 0, 0, 0, 0,
0, 0, 6, 0, 0, 0,
7, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0
};
static uint8_t _sfons_fs_bin[] = {
68, 88, 66, 67, 180, 53,
115, 174, 239, 17, 254, 112,
63, 104, 217, 123, 150, 145,
179, 27, 1, 0, 0, 0,
120, 2, 0, 0, 5, 0,
0, 0, 52, 0, 0, 0,
200, 0, 0, 0, 24, 1,
0, 0, 76, 1, 0, 0,
252, 1, 0, 0, 82, 68,
69, 70, 140, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 2, 0, 0, 0,
28, 0, 0, 0, 0, 4,
255, 255, 0, 17, 0, 0,
100, 0, 0, 0, 92, 0,
0, 0, 3, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0,
0, 0, 1, 0, 0, 0,
96, 0, 0, 0, 2, 0,
0, 0, 5, 0, 0, 0,
4, 0, 0, 0, 255, 255,
255, 255, 0, 0, 0, 0,
1, 0, 0, 0, 13, 0,
0, 0, 115, 109, 112, 0,
116, 101, 120, 0, 77, 105,
99, 114, 111, 115, 111, 102,
116, 32, 40, 82, 41, 32,
72, 76, 83, 76, 32, 83,
104, 97, 100, 101, 114, 32,
67, 111, 109, 112, 105, 108,
101, 114, 32, 49, 48, 46,
49, 0, 73, 83, 71, 78,
72, 0, 0, 0, 2, 0,
0, 0, 8, 0, 0, 0,
56, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
3, 0, 0, 0, 0, 0,
0, 0, 15, 3, 0, 0,
65, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
3, 0, 0, 0, 1, 0,
0, 0, 15, 15, 0, 0,
84, 69, 88, 67, 79, 79,
82, 68, 0, 67, 79, 76,
79, 82, 0, 171, 79, 83,
71, 78, 44, 0, 0, 0,
1, 0, 0, 0, 8, 0,
0, 0, 32, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 3, 0, 0, 0,
0, 0, 0, 0, 15, 0,
0, 0, 83, 86, 95, 84,
97, 114, 103, 101, 116, 0,
171, 171, 83, 72, 68, 82,
168, 0, 0, 0, 64, 0,
0, 0, 42, 0, 0, 0,
90, 0, 0, 3, 0, 96,
16, 0, 0, 0, 0, 0,
88, 24, 0, 4, 0, 112,
16, 0, 0, 0, 0, 0,
85, 85, 0, 0, 98, 16,
0, 3, 50, 16, 16, 0,
0, 0, 0, 0, 98, 16,
0, 3, 242, 16, 16, 0,
1, 0, 0, 0, 101, 0,
0, 3, 242, 32, 16, 0,
0, 0, 0, 0, 104, 0,
0, 2, 1, 0, 0, 0,
69, 0, 0, 9, 242, 0,
16, 0, 0, 0, 0, 0,
70, 16, 16, 0, 0, 0,
0, 0, 150, 115, 16, 0,
0, 0, 0, 0, 0, 96,
16, 0, 0, 0, 0, 0,
54, 0, 0, 5, 18, 0,
16, 0, 0, 0, 0, 0,
1, 64, 0, 0, 0, 0,
128, 63, 56, 0, 0, 7,
242, 32, 16, 0, 0, 0,
0, 0, 6, 12, 16, 0,
0, 0, 0, 0, 70, 30,
16, 0, 1, 0, 0, 0,
62, 0, 0, 1, 83, 84,
65, 84, 116, 0, 0, 0,
4, 0, 0, 0, 1, 0,
0, 0, 0, 0, 0, 0,
3, 0, 0, 0, 1, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 1, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0
};
#elif defined(SOKOL_DUMMY_BACKEND)
static const char* _sfons_vs_src = "";
static const char* _sfons_fs_src = "";
#endif
typedef struct _sfons_t {
sg_shader shd;
sgl_pipeline pip;
sg_image img;
int width, height;
bool img_dirty;
} _sfons_t;
static int _sfons_render_create(void* user_ptr, int width, int height) {
SOKOL_ASSERT(user_ptr && (width > 8) && (height > 8));
_sfons_t* sfons = (_sfons_t*) user_ptr;
/* sokol-gl compatible shader which treats RED channel as alpha */
if (sfons->shd.id == SG_INVALID_ID) {
sg_shader_desc shd_desc;
memset(&shd_desc, 0, sizeof(shd_desc));
shd_desc.attrs[0].name = "position";
shd_desc.attrs[1].name = "texcoord0";
shd_desc.attrs[2].name = "color0";
shd_desc.attrs[0].sem_name = "POSITION";
shd_desc.attrs[1].sem_name = "TEXCOORD";
shd_desc.attrs[2].sem_name = "COLOR";
sg_shader_uniform_block_desc* ub = &shd_desc.vs.uniform_blocks[0];
ub->size = 128;
ub->uniforms[0].name = "mvp";
ub->uniforms[0].type = SG_UNIFORMTYPE_MAT4;
ub->uniforms[1].name = "tm";
ub->uniforms[1].type = SG_UNIFORMTYPE_MAT4;
shd_desc.fs.images[0].name = "tex";
shd_desc.fs.images[0].type = SG_IMAGETYPE_2D;
#if defined(SOKOL_D3D11)
shd_desc.vs.byte_code = _sfons_vs_bin;
shd_desc.vs.byte_code_size = sizeof(_sfons_vs_bin);
shd_desc.fs.byte_code = _sfons_fs_bin;
shd_desc.fs.byte_code_size = sizeof(_sfons_fs_bin);
#else
shd_desc.vs.source = _sfons_vs_src;
shd_desc.fs.source = _sfons_fs_src;
#endif
shd_desc.label = "sfons-shader";
sfons->shd = sg_make_shader(&shd_desc);
}
/* sokol-gl pipeline object */
if (sfons->pip.id == SG_INVALID_ID) {
sg_pipeline_desc pip_desc;
memset(&pip_desc, 0, sizeof(pip_desc));
pip_desc.shader = sfons->shd;
pip_desc.blend.enabled = true;
pip_desc.blend.src_factor_rgb = SG_BLENDFACTOR_SRC_ALPHA;
pip_desc.blend.dst_factor_rgb = SG_BLENDFACTOR_ONE_MINUS_SRC_ALPHA;
sfons->pip = sgl_make_pipeline(&pip_desc);
}
/* create or re-create font atlas texture */
if (sfons->img.id != SG_INVALID_ID) {
sg_destroy_image(sfons->img);
sfons->img.id = SG_INVALID_ID;
}
sfons->width = width;
sfons->height = height;
SOKOL_ASSERT(sfons->img.id == SG_INVALID_ID);
sg_image_desc img_desc;
memset(&img_desc, 0, sizeof(img_desc));
img_desc.width = sfons->width;
img_desc.height = sfons->height;
img_desc.min_filter = SG_FILTER_LINEAR;
img_desc.mag_filter = SG_FILTER_LINEAR;
img_desc.usage = SG_USAGE_DYNAMIC;
img_desc.pixel_format = SG_PIXELFORMAT_R8;
sfons->img = sg_make_image(&img_desc);
return 1;
}
static int _sfons_render_resize(void* user_ptr, int width, int height) {
return _sfons_render_create(user_ptr, width, height);
}
static void _sfons_render_update(void* user_ptr, int* rect, const unsigned char* data) {
SOKOL_ASSERT(user_ptr && rect && data);
_sfons_t* sfons = (_sfons_t*) user_ptr;
sfons->img_dirty = true;
}
static void _sfons_render_draw(void* user_ptr, const float* verts, const float* tcoords, const unsigned int* colors, int nverts) {
SOKOL_ASSERT(user_ptr && verts && tcoords && colors && (nverts > 0));
_sfons_t* sfons = (_sfons_t*) user_ptr;
sgl_enable_texture();
sgl_texture(sfons->img);
sgl_push_pipeline();
sgl_load_pipeline(sfons->pip);
sgl_begin_triangles();
for (int i = 0; i < nverts; i++) {
sgl_v2f_t2f_c1i(verts[2*i+0], verts[2*i+1], tcoords[2*i+0], tcoords[2*i+1], colors[i]);
}
sgl_end();
sgl_pop_pipeline();
sgl_disable_texture();
}
static void _sfons_render_delete(void* user_ptr) {
SOKOL_ASSERT(user_ptr);
_sfons_t* sfons = (_sfons_t*) user_ptr;
if (sfons->img.id != SG_INVALID_ID) {
sg_destroy_image(sfons->img);
sfons->img.id = SG_INVALID_ID;
}
if (sfons->pip.id != SG_INVALID_ID) {
sgl_destroy_pipeline(sfons->pip);
sfons->pip.id = SG_INVALID_ID;
}
if (sfons->shd.id != SG_INVALID_ID) {
sg_destroy_shader(sfons->shd);
sfons->shd.id = SG_INVALID_ID;
}
SOKOL_FREE(sfons);
}
SOKOL_API_IMPL FONScontext* sfons_create(int width, int height, int flags) {
SOKOL_ASSERT((width > 0) && (height > 0));
FONSparams params;
_sfons_t* sfons = (_sfons_t*) SOKOL_MALLOC(sizeof(_sfons_t));
memset(sfons, 0, sizeof(_sfons_t));
memset(&params, 0, sizeof(params));
params.width = width;
params.height = height;
params.flags = (unsigned char) flags;
params.renderCreate = _sfons_render_create;
params.renderResize = _sfons_render_resize;
params.renderUpdate = _sfons_render_update;
params.renderDraw = _sfons_render_draw;
params.renderDelete = _sfons_render_delete;
params.userPtr = sfons;
return fonsCreateInternal(&params);
}
SOKOL_API_IMPL void sfons_destroy(FONScontext* ctx) {
SOKOL_ASSERT(ctx);
fonsDeleteInternal(ctx);
}
SOKOL_API_IMPL void sfons_flush(FONScontext* ctx) {
SOKOL_ASSERT(ctx && ctx->params.userPtr);
_sfons_t* sfons = (_sfons_t*) ctx->params.userPtr;
if (sfons->img_dirty) {
sfons->img_dirty = false;
sg_image_content content;
memset(&content, 0, sizeof(content));
content.subimage[0][0].ptr = ctx->texData;
content.subimage[0][0].size = sfons->width * sfons->height;
sg_update_image(sfons->img, &content);
}
}
SOKOL_API_IMPL uint32_t sfons_rgba(uint8_t r, uint8_t g, uint8_t b, uint8_t a) {
return (r) | (g<<8) | (b<<16) | (a<<24);
}
#endif /* SOKOL_FONTSTASH_IMPL */

2372
thirdparty/sokol/util/sokol_gl.h vendored Executable file

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152
vlib/fontstash/fontstash.v Normal file
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@ -0,0 +1,152 @@
module fontstash
#flag -I @VROOT/thirdparty/fontstash
// Contructor and destructor.
[inline]
pub fn create_internal(params &C.FONSparams) &C.FONScontext {
return C.fonsCreateInternal(params)
}
[inline]
pub fn delete_internal(s &C.FONScontext) {
C.fonsDeleteInternal(s)
}
[inline]
pub fn (s &C.FONScontext) set_error_callback(callback fn(uptr voidptr, error int, val int), uptr voidptr) {
C.fonsSetErrorCallback(s, callback, uptr)
}
// Returns current atlas size.
[inline]
pub fn (s &C.FONScontext) get_atlas_size(width &int, height &int) {
C.fonsGetAtlasSize(s, width, height)
}
// Expands the atlas size.
[inline]
pub fn (s &C.FONScontext) expand_atlas(width int, height int) int {
return C.fonsExpandAtlas(s, width, height)
}
// Resets the whole stash.
[inline]
pub fn (s &C.FONScontext) reset_atlas(width int, height int) int {
return C.fonsResetAtlas(s, width, height)
}
// Add fonts
[inline]
pub fn (s &C.FONScontext) get_font_by_name(name byteptr) int {
return C.fonsGetFontByName(s, name)
}
[inline]
pub fn (s &C.FONScontext) add_fallback_font(base int, fallback int) int {
return C.fonsAddFallbackFont(s, base, fallback)
}
[inline]
pub fn (s &C.FONScontext) add_font_mem(name byteptr, data byteptr, data_size int, free_data int) int {
return C.fonsAddFontMem(s, name, data, data_size, free_data)
}
// State handling
[inline]
pub fn (s &C.FONScontext) push_state() {
C.fonsPushState(s)
}
[inline]
pub fn (s &C.FONScontext) pop_state() {
C.fonsPopState(s)
}
[inline]
pub fn (s &C.FONScontext) clear_state() {
C.fonsClearState(s)
}
// State setting
[inline]
pub fn (s &C.FONScontext) set_size(size f32) {
C.fonsSetSize(s, size)
}
[inline]
pub fn (s &C.FONScontext) set_color(color u32) {
C.fonsSetColor(s, color)
}
[inline]
pub fn (s &C.FONScontext) set_spacing(spacing f32) {
C.fonsSetSpacing(s, spacing)
}
[inline]
pub fn (s &C.FONScontext) set_blur(blur f32) {
C.fonsSetBlur(s, blur)
}
[inline]
pub fn (s &C.FONScontext) set_align(align int) {
C.fonsSetAlign(s, align)
}
[inline]
pub fn (s &C.FONScontext) set_font(font int) {
C.fonsSetFont(s, font)
}
// Draw text
[inline]
pub fn (s &C.FONScontext) draw_text(x f32, y f32, str byteptr, end byteptr) f32 {
return C.fonsDrawText(s, x, y, str, end)
}
// Measure text
[inline]
pub fn (s &C.FONScontext) text_bounds(x f32, y f32, str byteptr, end byteptr, bounds &f32) f32 {
return C.fonsTextBounds(s, x, y, str, end, bounds)
}
[inline]
pub fn (s &C.FONScontext) line_bounds(y f32, miny &f32, maxy &f32) {
C.fonsLineBounds(s, y, miny, maxy)
}
[inline]
pub fn (s &C.FONScontext) vert_metrics(ascender &f32, descender &f32, lineh &f32) {
C.fonsVertMetrics(s, ascender, descender, lineh)
}
// Text iterator
[inline]
pub fn (s &C.FONScontext) text_iter_init(iter &C.FONStextIter, x f32, y f32, str byteptr, end byteptr) int {
return C.fonsTextIterInit(s, iter, x, y, str, end)
}
[inline]
pub fn (s &C.FONScontext) text_iter_next(iter &C.FONStextIter, quad &C.FONSquad) int {
return C.fonsTextIterNext(s, iter, quad)
}
// Pull texture changes
[inline]
pub fn (s &C.FONScontext) get_texture_data(width &int, height &int) byteptr {
return C.fonsGetTextureData(s, width, height)
}
[inline]
pub fn (s &C.FONScontext) validate_texture(dirty &int) int {
return C.fonsValidateTexture(s, dirty)
}
// Draws the stash texture for debugging
[inline]
pub fn (s &C.FONScontext) draw_debug(x f32, y f32) {
C.fonsDrawDebug(s, x, y)
}

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module fontstash
// Contructor and destructor.
fn C.fonsCreateInternal(params &C.FONSparams) &C.FONScontext
fn C.fonsDeleteInternal(s &C.FONScontext)
fn C.fonsSetErrorCallback(s &C.FONScontext, callback fn(uptr voidptr, error int, val int), uptr voidptr)
// Returns current atlas size.
fn C.fonsGetAtlasSize(s &C.FONScontext, width &int, height &int)
// Expands the atlas size.
fn C.fonsExpandAtlas(s &C.FONScontext, width int, height int) int
// Resets the whole stash.
fn C.fonsResetAtlas(s &C.FONScontext, width int, height int) int
// Add fonts
fn C.fonsGetFontByName(s &C.FONScontext, name byteptr) int
fn C.fonsAddFallbackFont(s &C.FONScontext, base int, fallback int) int
fn C.fonsAddFontMem(s &C.FONScontext, name byteptr, data byteptr, dataSize int, freeData int) int
// State handling
fn C.fonsPushState(s &C.FONScontext)
fn C.fonsPopState(s &C.FONScontext)
fn C.fonsClearState(s &C.FONScontext)
// State setting
fn C.fonsSetSize(s &C.FONScontext, size f32)
fn C.fonsSetColor(s &C.FONScontext, color u32)
fn C.fonsSetSpacing(s &C.FONScontext, spacing f32)
fn C.fonsSetBlur(s &C.FONScontext, blur f32)
fn C.fonsSetAlign(s &C.FONScontext, align int)
fn C.fonsSetFont(s &C.FONScontext, font int)
// Draw text
fn C.fonsDrawText(s &C.FONScontext, x f32, y f32, str byteptr, end byteptr) f32
// Measure text
fn C.fonsTextBounds(s &C.FONScontext, x f32, y f32, str byteptr, end byteptr, bounds &f32) f32
fn C.fonsLineBounds(s &C.FONScontext, y f32, miny &f32, maxy &f32)
fn C.fonsVertMetrics(s &C.FONScontext, ascender &f32, descender &f32, lineh &f32)
// Text iterator
fn C.fonsTextIterInit(s &C.FONScontext, iter &C.FONStextIter, x f32, y f32, str byteptr, end byteptr) int
fn C.fonsTextIterNext(s &C.FONScontext, iter &C.FONStextIter, quad &C.FONSquad) int
// Pull texture changes
fn C.fonsGetTextureData(s &C.FONScontext, width &int, height &int) byteptr
fn C.fonsValidateTexture(s &C.FONScontext, dirty &int) int
// Draws the stash texture for debugging
fn C.fonsDrawDebug(s &C.FONScontext, x f32, y f32)

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module fontstash
pub enum FonsFlags {
top_left = 1
bottom_left = 2
}
pub enum FonsAlign {
// Horizontal align
left = 1 // Default
center = 2
right = 4
// Vertical align
top = 8
middle = 16
bottom = 32
baseline = 64 // Default
}
pub enum FonsErrorCode {
// Font atlas is full.
atlas_full = 1
// Scratch memory used to render glyphs is full, requested size reported in 'val', you may need to bump up FONS_SCRATCH_BUF_SIZE.
scratch_full = 2
// Calls to fonsPushState has created too large stack, if you need deep state stack bump up FONS_MAX_STATES.
states_overflow = 3
// Trying to pop too many states fonsPopState().
states_underflow = 4
}
pub struct C.FONSparams {
width int
height int
flags char
userPtr voidptr
// int (*renderCreate)(void* uptr, int width, int height)
renderCreate fn(uptr voidptr, width int, height int) int
// int (*renderResize)(void* uptr, int width, int height)
renderResize fn(uptr voidptr, width int, height int) int
// void (*renderUpdate)(void* uptr, int* rect, const unsigned char* data)
renderUpdate fn(uptr voidptr, rect &int, data byteptr)
// void (*renderDraw)(void* uptr, const float* verts, const float* tcoords, const unsigned int* colors, int nverts)
renderDraw fn(uptr voidptr, verts &f32, tcoords &f32, colors &u32, nverts int)
// void (*renderDelete)(void* uptr)
renderDelete fn(uptr voidptr)
}
pub struct C.FONSquad
{
x0 f32
y0 f32
s0 f32
t0 f32
x1 f32
y1 f32
s1 f32
t1 f32
}
pub struct C.FONStextIter {
x f32
y f32
nextx f32
nexty f32
scale f32
spacing f32
codepoint u32
isize i16
iblur i16
font &FONSfont
prevGlyphIndex int
str byteptr
next byteptr
end byteptr
utf8state u32
}
pub struct C.FONSfont {}
pub struct C.FONScontext {}

304
vlib/sokol/gfx/enums.v Normal file
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module gfx
pub enum Backend {
glcore33
gles2
gles3
d3d11
metal_ios
metal_macos
metal_simulator
dummy
}
pub 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
}
pub enum ResourceState {
initial
alloc
valid
failed
invalid
}
pub enum Usage {
_default /* value 0 reserved for default-init */
immutable
dynamic
stream
_num
}
pub enum BufferType {
_default /* value 0 reserved for default-init */
vertexbuffer
indexbuffer
_num
}
pub enum IndexType {
_default /* value 0 reserved for default-init */
@none
uint16
uint32
_num
}
pub enum ImageType {
_default /* value 0 reserved for default-init */
_2d
cube
_3d
array
_num
}
pub enum CubeFace {
pos_x
neg_x
pos_y
neg_y
pos_z
neg_z
num
}
pub enum ShaderStage {
vs
fs
}
pub enum PrimitiveType {
_default /* value 0 reserved for default-init */
points
lines
line_strip
triangles
triangle_strip
_num
}
pub enum Filter {
_default /* value 0 reserved for default-init */
nearest
linear
nearest_mipmap_nearest
nearest_mipmap_linear
linear_mipmap_nearest
linear_mipmap_linear
_num
}
pub enum Wrap {
_default /* value 0 reserved for default-init */
repeat
clamp_to_edge
clamp_to_border
mirrored_repeat
_num
}
pub enum BorderColor {
_default /* value 0 reserved for default-init */
transparent_black
opaque_black
opaque_white
_num
}
pub enum VertexFormat {
invalid
float
float2
float3
float4
byte4
byte4n
ubyte4
ubyte4n
short2
short2n
ushort2n
short4
short4n
ushort4n
uint10_n2
_num
}
pub enum VertexStep {
_default /* value 0 reserved for default-init */
per_vertex
per_instance
_num
}
pub enum UniformType {
invalid
float
float2
float3
float4
mat4
_num
}
pub enum CullMode {
_default /* value 0 reserved for default-init */
@none
front
back
_num
}
pub enum FaceWinding {
_facewinding_default /* value 0 reserved for default-init */
facewinding_ccw
facewinding_cw
_facewinding_num
}
pub enum CompareFunc {
_default /* value 0 reserved for default-init */
never
less
equal
less_equal
greater
not_equal
greater_equal
always
_num
}
pub enum StencilOp {
_default /* value 0 reserved for default-init */
keep
zero
replace
incr_clamp
decr_clamp
invert
incr_wrap
decr_wrap
_num
}
pub 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
}
pub enum BlendOp {
_default /* value 0 reserved for default-init */
add
subtract
reverse_subtract
_num
}
pub 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
}
pub enum Action {
_default
clear
load
dontcare
_num
}

218
vlib/sokol/gfx/gfx.v Normal file
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module gfx
// setup and misc functions
[inline]
pub fn setup(desc &C.sg_desc) {
C.sg_setup(desc)
}
[inline]
pub fn shutdown() {
C.sg_shutdown()
}
[inline]
pub fn reset_state_cache() {
C.sg_reset_state_cache()
}
// resource creation, destruction and updating
[inline]
pub fn make_buffer(desc &C.sg_buffer_desc) C.sg_buffer {
return C.sg_make_buffer(desc)
}
[inline]
pub fn make_image(desc &C.sg_image_desc) C.sg_image {
return C.sg_make_image(desc)
}
[inline]
pub fn make_shader(desc &C.sg_shader_desc) C.sg_shader {
return C.sg_make_shader(desc)
}
[inline]
pub fn make_pipeline(desc &C.sg_pipeline_desc) C.sg_pipeline {
return C.sg_make_pipeline(desc)
}
[inline]
pub fn make_pass(desc &C.sg_pass_desc) C.sg_pass {
return C.sg_make_pass(desc)
}
[inline]
pub fn destroy_buffer(buf C.sg_buffer) {
C.sg_destroy_buffer(buf)
}
[inline]
pub fn destroy_image(img C.sg_image) {
C.sg_destroy_image(img)
}
[inline]
pub fn destroy_shader(shd C.sg_shader) {
C.sg_destroy_shader(shd)
}
[inline]
pub fn destroy_pipeline(pip C.sg_pipeline) {
C.sg_destroy_pipeline(pip)
}
[inline]
pub fn destroy_pass(pass C.sg_pass) {
C.sg_destroy_pass(pass)
}
[inline]
pub fn update_buffer(buf C.sg_buffer, ptr voidptr, num_bytes int) {
C.sg_update_buffer(buf, ptr, num_bytes)
}
[inline]
pub fn update_image(img C.sg_image, content &C.sg_image_content) {
C.sg_update_image(img, content)
}
[inline]
pub fn append_buffer(buf C.sg_buffer, ptr voidptr, num_bytes int) int {
return C.sg_append_buffer(buf, ptr, num_bytes)
}
// rendering functions
[inline]
pub fn begin_default_pass(actions &C.sg_pass_action, width int, height int) {
C.sg_begin_default_pass(actions, width, height)
}
[inline]
pub fn begin_pass(pass C.sg_pass, actions &C.sg_pass_action) {
C.sg_begin_pass(pass, actions)
}
[inline]
pub fn apply_viewport(x int, y int, width int, height int, origin_top_left bool) {
C.sg_apply_viewport(x, y, width, height, origin_top_left)
}
[inline]
pub fn apply_scissor_rect(x int, y int, width int, height int, origin_top_left bool) {
C.sg_apply_scissor_rect(x, y, width, height, origin_top_left)
}
[inline]
pub fn apply_pipeline(pip C.sg_pipeline) {
C.sg_apply_pipeline(pip)
}
[inline]
pub fn apply_bindings(bindings &C.sg_bindings) {
C.sg_apply_bindings(bindings)
}
[inline]
pub fn apply_uniforms(stage int, ub_index int, data voidptr, num_bytes int) {
C.sg_apply_uniforms(stage, ub_index, data, num_bytes)
}
[inline]
pub fn draw(base_element int, num_elements int, num_instances int) {
C.sg_draw(base_element, num_elements, num_instances)
}
[inline]
pub fn end_pass() {
C.sg_end_pass()
}
[inline]
pub fn commit() {
C.sg_commit()
}
[inline]
pub fn query_buffer_overflow(buf C.sg_buffer) bool {
return C.sg_query_buffer_overflow(buf)
}
// get runtime information about a resource
[inline]
pub fn query_buffer_info(buf C.sg_buffer) C.sg_buffer_info {
return C.sg_query_buffer_info(buf)
}
[inline]
pub fn query_image_info(img C.sg_image) C.sg_image_info {
return C.sg_query_image_info(img)
}
[inline]
pub fn query_shader_info(shd C.sg_shader) C.sg_shader_info {
return C.sg_query_shader_info(shd)
}
[inline]
pub fn query_pipeline_info(pip C.sg_pipeline) C.sg_pipeline_info {
return C.sg_query_pipeline_info(pip)
}
[inline]
pub fn query_pass_info(pass C.sg_pass) C.sg_pass_info {
return C.sg_query_pass_info(pass)
}
// getting information
[inline]
pub fn query_desc() C.sg_desc {
return C.sg_query_desc()
}
[inline]
pub fn query_backend() Backend {
return C.sg_query_backend()
}
[inline]
pub fn query_features() C.sg_features {
return C.sg_query_features()
}
[inline]
pub fn query_limits() C.sg_limits {
return C.sg_query_limits()
}
[inline]
pub fn query_pixelformat(fmt PixelFormat) C.sg_pixelformat_info {
return C.sg_query_pixelformat(fmt)
}
// get resource creation desc struct with their default values replaced
[inline]
pub fn query_buffer_defaults(desc &C.sg_buffer) C.sg_buffer_desc {
return C.sg_query_buffer_defaults(desc)
}
[inline]
pub fn query_image_defaults(desc &C.sg_image) C.sg_image_desc {
return C.sg_query_image_defaults(desc)
}
[inline]
pub fn query_shader_defaults(desc &C.sg_shader) C.sg_shader_desc {
return C.sg_query_shader_defaults(desc)
}
[inline]
pub fn query_pipeline_defaults(desc &C.sg_pipeline) C.sg_pipeline_desc {
return C.sg_query_pipeline_defaults(desc)
}
[inline]
pub fn query_pass_defaults(desc &C.sg_pass) C.sg_pass_desc {
return C.sg_query_pass_defaults(desc)
}

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module gfx
// setup and misc functions
fn C.sg_setup(desc &C.sg_desc)
fn C.sg_shutdown()
fn C.sg_reset_state_cache()
// resource creation, destruction and updating
fn C.sg_make_buffer(desc &C.sg_buffer_desc) C.sg_buffer
fn C.sg_make_image(desc &C.sg_image_desc) C.sg_image
fn C.sg_make_shader(desc &C.sg_shader_desc) C.sg_shader
fn C.sg_make_pipeline(desc &C.sg_pipeline_desc) C.sg_pipeline
fn C.sg_make_pass(desc &C.sg_pass_desc) C.sg_pass
fn C.sg_destroy_buffer(buf C.sg_buffer)
fn C.sg_destroy_image(img C.sg_image)
fn C.sg_destroy_shader(shd C.sg_shader)
fn C.sg_destroy_pipeline(pip C.sg_pipeline)
fn C.sg_destroy_pass(pass C.sg_pass)
fn C.sg_update_buffer(buf C.sg_buffer, ptr voidptr, num_bytes int)
fn C.sg_update_image(img C.sg_image, content &C.sg_image_content)
fn C.sg_append_buffer(buf C.sg_buffer, ptr voidptr, num_bytes int) int
// rendering functions
fn C.sg_begin_default_pass(actions &C.sg_pass_action, width int, height int)
fn C.sg_begin_pass(pass C.sg_pass, actions &C.sg_pass_action)
fn C.sg_apply_viewport(x int, y int, width int, height int, origin_top_left bool)
fn C.sg_apply_scissor_rect(x int, y int, width int, height int, origin_top_left bool)
fn C.sg_apply_pipeline(pip C.sg_pipeline)
fn C.sg_apply_bindings(bindings &C.sg_bindings)
fn C.sg_apply_uniforms(stage int /*sg_shader_stage*/, ub_index int, data voidptr, num_bytes int)
fn C.sg_draw(base_element int, num_elements int, num_instances int)
fn C.sg_end_pass()
fn C.sg_commit()
fn C.sg_query_buffer_overflow(buf C.sg_buffer) bool
// get runtime information about a resource
fn C.sg_query_buffer_info(buf C.sg_buffer) C.sg_buffer_info
fn C.sg_query_image_info(img C.sg_image) C.sg_image_info
fn C.sg_query_shader_info(shd C.sg_shader) C.sg_shader_info
fn C.sg_query_pipeline_info(pip C.sg_pipeline) C.sg_pipeline_info
fn C.sg_query_pass_info(pass C.sg_pass) C.sg_pass_info
// getting information
fn C.sg_query_desc() C.sg_desc
fn C.sg_query_backend() Backend
fn C.sg_query_features() C.sg_features
fn C.sg_query_limits() C.sg_limits
fn C.sg_query_pixelformat(fmt PixelFormat) C.sg_pixelformat_info
// get resource creation desc struct with their default values replaced
fn C.sg_query_buffer_defaults(desc &C.sg_buffer) C.sg_buffer_desc
fn C.sg_query_image_defaults(desc &C.sg_image) C.sg_image_desc
fn C.sg_query_shader_defaults(desc &C.sg_shader) C.sg_shader_desc
fn C.sg_query_pipeline_defaults(desc &C.sg_pipeline) C.sg_pipeline_desc
fn C.sg_query_pass_defaults(desc &C.sg_pass) C.sg_pass_desc

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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
/* 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_pipeline_desc {
pub mut:
_start_canary u32
layout C.sg_layout_desc
shader C.sg_shader
primitive_type PrimitiveType
index_type IndexType
depth_stencil C.sg_depth_stencil_state
blend C.sg_blend_state
rasterizer C.sg_rasterizer_state
label byteptr
_end_canary u32
}
pub struct C.sg_pipeline_info {
}
pub struct C.sg_pipeline {
pub:
id u32
}
pub fn (p C.sg_pipeline) free() { sg_destroy_pipeline(p) }
pub struct C.sg_bindings {
pub mut:
_start_canary u32
vertex_buffers [8]sg_buffer
vertex_buffer_offsets [8]int
index_buffer sg_buffer
index_buffer_offset int
vs_images [8]sg_image
fs_images [8]sg_image
_end_canary u32
}
pub fn (b mut sg_bindings) set_vert_image(index int, img C.sg_image) {
b.vs_images[index] = img
}
pub fn (b mut 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) {
sg_update_buffer(b.vertex_buffers[index], data, element_size * element_count)
}
pub fn (b &C.sg_bindings) append_vert_buffer(index int, data voidptr, element_size int, element_count int) int {
return sg_append_buffer(b.vertex_buffers[index], data, element_size * element_count)
}
pub fn (b &C.sg_bindings) update_index_buffer(data voidptr, element_size int, element_count int) {
sg_update_buffer(b.index_buffer, data, element_size * element_count)
}
pub fn (b &C.sg_bindings) append_index_buffer(data voidptr, element_size int, element_count int) int {
return sg_append_buffer(b.index_buffer, data, element_size * element_count)
}
pub struct C.sg_shader_desc {
pub mut:
_start_canary u32
attrs [16]sg_shader_attr_desc
vs C.sg_shader_stage_desc
fs C.sg_shader_stage_desc
label byteptr
_end_canary u32
}
pub fn (desc mut C.sg_shader_desc) set_vert_src(src string) &C.sg_shader_desc {
desc.vs.source = src.str
return desc
}
pub fn (desc mut C.sg_shader_desc) set_frag_src(src string) &C.sg_shader_desc {
desc.fs.source = src.str
return desc
}
pub fn (desc mut C.sg_shader_desc) set_vert_image(index int, name string) &C.sg_shader_desc {
desc.vs.images[index].name = name.str
desc.vs.images[index].@type = ._2d
return desc
}
pub fn (desc mut C.sg_shader_desc) set_frag_image(index int, name string) &C.sg_shader_desc {
desc.fs.images[index].name = name.str
desc.fs.images[index].@type = ._2d
return desc
}
pub fn (desc mut C.sg_shader_desc) set_vert_uniform_block_size(block_index, size int) &C.sg_shader_desc {
desc.vs.uniform_blocks[block_index].size = size
return desc
}
pub fn (desc mut C.sg_shader_desc) set_frag_uniform_block_size(block_index, size int) &C.sg_shader_desc {
desc.fs.uniform_blocks[block_index].size = size
return desc
}
pub fn (desc mut 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 = name.str
desc.vs.uniform_blocks[block_index].uniforms[uniform_index].@type = @type
return desc
}
pub fn (desc mut 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 = 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 sg_make_shader(desc)
}
pub struct C.sg_shader_attr_desc {
pub mut:
name byteptr /* GLSL vertex attribute name (only required for GLES2) */
sem_name byteptr /* HLSL semantic name */
sem_index int /* HLSL semantic index */
}
pub struct C.sg_shader_stage_desc {
pub mut:
source byteptr
byte_code &byte
byte_code_size int
entry byteptr
uniform_blocks [4]sg_shader_uniform_block_desc
images [12]sg_shader_image_desc
}
pub fn (desc mut C.sg_shader_stage_desc) set_image(index int, name string) C.sg_shader_stage_desc {
desc.images[index].name = name.str
desc.images[index].@type = ._2d
return desc
}
pub struct C.sg_shader_uniform_block_desc {
pub mut:
size int
uniforms [16]sg_shader_uniform_desc
}
pub struct C.sg_shader_uniform_desc {
pub mut:
name byteptr
@type UniformType
array_count int
}
pub struct C.sg_shader_image_desc {
pub mut:
name byteptr
@type ImageType
}
pub struct C.sg_shader_info {}
pub struct C.sg_context {
id u32
}
pub struct C.sg_shader {
pub:
id u32
}
pub fn (s C.sg_shader) free() { sg_destroy_shader(s) }
pub struct C.sg_pass_desc {
pub mut:
_start_canary u32
color_attachments [4]sg_attachment_desc
depth_stencil_attachment C.sg_attachment_desc
label byteptr
_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]sg_color_attachment_action
depth sg_depth_attachment_action
stencil sg_stencil_attachment_action
_end_canary u32
}
pub struct C.sg_pass {
id u32
}
pub fn (p C.sg_pass) free() { sg_destroy_pass(p) }
pub struct C.sg_buffer_desc {
pub mut:
_start_canary u32
size int
@type BufferType
usage Usage
content byteptr
label byteptr
/* 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() { sg_destroy_buffer(b) }
pub union 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
depth DepthLayers
// depth int
// union {
// int depth;
// int layers;
// };
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
content C.sg_image_content
label byteptr
/* GL specific */
gl_textures [2]u32
/* Metal specific */
mtl_textures [2]voidptr
/* D3D11 specific */
d3d11_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() { sg_destroy_image(i) }
pub struct C.sg_image_content {
pub mut:
subimage [6][16]sg_subimage_content
}
pub struct C.sg_subimage_content {
pub mut:
ptr voidptr /* pointer to subimage data */
size int /* size in bytes of pointed-to subimage data */
}
pub struct C.sg_features {
pub:
instancing bool
origin_top_left bool
multiple_render_targets bool
msaa_render_targets bool
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 */
}
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_image_array_layers u32
max_vertex_attrs u32 /* <= SG_MAX_VERTEX_ATTRIBUTES (only on some GLES2 impls) */
}
pub struct C.sg_layout_desc {
pub mut:
buffers [8]sg_buffer_layout_desc
attrs [16]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_depth_stencil_state {
stencil_front sg_stencil_state
stencil_back sg_stencil_state
depth_compare_func CompareFunc
depth_write_enabled bool
stencil_enabled bool
stencil_read_mask byte
stencil_write_mask byte
stencil_ref byte
}
pub struct C.sg_stencil_state {
fail_op StencilOp
depth_fail_op StencilOp
pass_op StencilOp
compare_func CompareFunc
}
pub struct C.sg_blend_state {
enabled bool
src_factor_rgb BlendFactor
dst_factor_rgb BlendFactor
op_rgb BlendOp
src_factor_alpha BlendFactor
dst_factor_alpha BlendFactor
op_alpha BlendOp
color_write_mask byte
color_attachment_count int
color_format PixelFormat
depth_format PixelFormat
blend_color [4]f32
}
pub struct C.sg_rasterizer_state {
pub mut:
alpha_to_coverage_enabled bool
cull_mode CullMode
face_winding FaceWinding
sample_count int
depth_bias f32
depth_bias_slope_scale f32
depth_bias_clamp f32
}
pub struct C.sg_color_attachment_action {
pub mut:
action Action
val [4]f32
}
pub fn (action mut 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
val f32
}
pub struct C.sg_stencil_attachment_action {
pub mut:
action Action
val 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_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
// }
}

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module gfx
pub fn create_clear_pass(r, g, b, a f32) C.sg_pass_action {
mut color_action := sg_color_attachment_action {
action: C.SG_ACTION_CLEAR
}
color_action.set_color_values(r, g, b, a)
mut pass_action := sg_pass_action{}
pass_action.colors[0] = color_action
return pass_action
}

158
vlib/sokol/sapp/enums.v Normal file
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module sapp
pub enum EventType {
invalid
key_down
key_up
char
mouse_down
mouse_up
mouse_scroll
mouse_move
mouse_enter
mouse_leave
touches_began
touches_moved
touches_ended
touches_cancelled
resized
iconified
restored
suspended
resumed
update_cursor
quit_requested
clipboard_pasted
num
}
pub enum MouseButton {
invalid = -1
left = 0
right = 1
middle = 2
}
pub enum KeyCode {
invalid = 0
space = 32
apostrophe = 39 /* ' */
comma = 44 /* , */
minus = 45 /* - */
period = 46 /* . */
slash = 47 /* / */
_0 = 48
_1 = 49
_2 = 50
_3 = 51
_4 = 52
_5 = 53
_6 = 54
_7 = 55
_8 = 56
_9 = 57
semicolon = 59 /* ; */
equal = 61 /* = */
a = 65
b = 66
c = 67
d = 68
e = 69
f = 70
g = 71
h = 72
i = 73
j = 74
k = 75
l = 76
m = 77
n = 78
o = 79
p = 80
q = 81
r = 82
s = 83
t = 84
u = 85
v = 86
w = 87
x = 88
y = 89
z = 90
left_bracket = 91 /* [ */
backslash = 92 /* \ */
right_bracket = 93 /* ] */
grave_accent = 96 /* ` */
world_1 = 161 /* non-us #1 */
world_2 = 162 /* non-us #2 */
escape = 256
enter = 257
tab = 258
backspace = 259
insert = 260
delete = 261
right = 262
left = 263
down = 264
up = 265
page_up = 266
page_down = 267
home = 268
end = 269
caps_lock = 280
scroll_lock = 281
num_lock = 282
print_screen = 283
pause = 284
f1 = 290
f2 = 291
f3 = 292
f4 = 293
f5 = 294
f6 = 295
f7 = 296
f8 = 297
f9 = 298
f10 = 299
f11 = 300
f12 = 301
f13 = 302
f14 = 303
f15 = 304
f16 = 305
f17 = 306
f18 = 307
f19 = 308
f20 = 309
f21 = 310
f22 = 311
f23 = 312
f24 = 313
f25 = 314
kp_0 = 320
kp_1 = 321
kp_2 = 322
kp_3 = 323
kp_4 = 324
kp_5 = 325
kp_6 = 326
kp_7 = 327
kp_8 = 328
kp_9 = 329
kp_decimal = 330
kp_divide = 331
kp_multiply = 332
kp_subtract = 333
kp_add = 334
kp_enter = 335
kp_equal = 336
left_shift = 340
left_control = 341
left_alt = 342
left_super = 343
right_shift = 344
right_control = 345
right_alt = 346
right_super = 347
menu = 348
}

188
vlib/sokol/sapp/sapp.v Normal file
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module sapp
/* returns true after sokol-app has been initialized */
[inline]
pub fn isvalid() bool {
return C.sapp_isvalid()
}
/* returns the current framebuffer width in pixels */
[inline]
pub fn width() int {
return C.sapp_width()
}
/* returns the current framebuffer height in pixels */
[inline]
pub fn height() int {
return C.sapp_height()
}
/* returns true when high_dpi was requested and actually running in a high-dpi scenario */
[inline]
pub fn high_dpi() bool {
return C.sapp_high_dpi()
}
/* returns the dpi scaling factor (window pixels to framebuffer pixels) */
[inline]
pub fn dpi_scale() f32 {
return C.sapp_dpi_scale()
}
/* show or hide the mobile device onscreen keyboard */
[inline]
pub fn show_keyboard(visible bool) {
C.sapp_show_keyboard(visible)
}
/* return true if the mobile device onscreen keyboard is currently shown */
[inline]
pub fn keyboard_shown() bool {
return C.sapp_keyboard_shown()
}
/* show or hide the mouse cursor */
[inline]
pub fn show_mouse(visible bool) {
C.sapp_show_mouse(visible)
}
/* show or hide the mouse cursor */
[inline]
pub fn mouse_shown() bool {
return C.sapp_mouse_shown()
}
/* return the userdata pointer optionally provided in sapp_desc */
[inline]
pub fn userdata() voidptr {
return C.sapp_userdata()
}
/* return a copy of the sapp_desc structure */
[inline]
pub fn query_desc() C.sapp_desc {
return C.sapp_query_desc()
}
/* initiate a "soft quit" (sends SAPP_EVENTTYPE_QUIT_REQUESTED) */
[inline]
pub fn request_quit() {
C.sapp_request_quit()
}
/* cancel a pending quit (when SAPP_EVENTTYPE_QUIT_REQUESTED has been received) */
[inline]
pub fn cancel_quit() {
C.sapp_cancel_quit()
}
/* intiate a "hard quit" (quit application without sending SAPP_EVENTTYPE_QUIT_REQUSTED) */
[inline]
pub fn quit() {
C.sapp_quit()
}
/* call from inside event callback to consume the current event (don't forward to platform) */
[inline]
pub fn consume_event() {
C.sapp_consume_event()
}
/* get the current frame counter (for comparison with sapp_event.frame_count) */
[inline]
pub fn frame_count() u64 {
return C.sapp_frame_count()
}
/* write string into clipboard */
[inline]
pub fn set_clipboard_string(str byteptr) {
C.sapp_set_clipboard_string(str)
}
/* read string from clipboard (usually during SAPP_EVENTTYPE_CLIPBOARD_PASTED) */
[inline]
pub fn get_clipboard_string() byteptr {
return C.sapp_get_clipboard_string()
}
/* special run-function for SOKOL_NO_ENTRY (in standard mode this is an empty stub) */
[inline]
pub fn run(desc &C.sapp_desc) int {
return C.sapp_run(desc)
}
/* GL: return true when GLES2 fallback is active (to detect fallback from GLES3) */
[inline]
pub fn gles2() bool {
return C.sapp_gles2()
}
/* HTML5: enable or disable the hardwired "Leave Site?" dialog box */
[inline]
pub fn html5_ask_leave_site(ask bool) {
C.sapp_html5_ask_leave_site(ask)
}
/* Metal: get ARC-bridged pointer to Metal device object */
[inline]
pub fn metal_get_device() voidptr {
return C.sapp_metal_get_device()
}
/* Metal: get ARC-bridged pointer to this frame's renderpass descriptor */
[inline]
pub fn metal_get_renderpass_descriptor() voidptr {
return C.sapp_metal_get_renderpass_descriptor()
}
/* Metal: get ARC-bridged pointer to current drawable */
[inline]
pub fn metal_get_drawable() voidptr {
return C.sapp_metal_get_drawable()
}
/* macOS: get ARC-bridged pointer to macOS NSWindow */
[inline]
pub fn macos_get_window() voidptr {
return C.sapp_macos_get_window()
}
/* iOS: get ARC-bridged pointer to iOS UIWindow */
[inline]
pub fn ios_get_window() voidptr {
return C.sapp_ios_get_window()
}
/* D3D11: get pointer to ID3D11Device object */
[inline]
pub fn d3d11_get_device() voidptr {
return C.sapp_d3d11_get_device()
}
/* D3D11: get pointer to ID3D11DeviceContext object */
[inline]
pub fn d3d11_get_device_context() voidptr {
return C.sapp_d3d11_get_device_context()
}
/* D3D11: get pointer to ID3D11RenderTargetView object */
[inline]
pub fn d3d11_get_render_target_view() voidptr {
return C.sapp_d3d11_get_render_target_view()
}
/* D3D11: get pointer to ID3D11DepthStencilView */
[inline]
pub fn d3d11_get_depth_stencil_view() voidptr {
return C.sapp_d3d11_get_depth_stencil_view()
}
/* Win32: get the HWND window handle */
[inline]
pub fn win32_get_hwnd() voidptr {
return C.sapp_win32_get_hwnd()
}

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module sapp
/* returns true after sokol-app has been initialized */
fn C.sapp_isvalid() bool
/* returns the current framebuffer width in pixels */
fn C.sapp_width() int
/* returns the current framebuffer height in pixels */
fn C.sapp_height() int
/* returns true when high_dpi was requested and actually running in a high-dpi scenario */
fn C.sapp_high_dpi() bool
/* returns the dpi scaling factor (window pixels to framebuffer pixels) */
fn C.sapp_dpi_scale() f32
/* show or hide the mobile device onscreen keyboard */
fn C.sapp_show_keyboard(visible bool)
/* return true if the mobile device onscreen keyboard is currently shown */
fn C.sapp_keyboard_shown() bool
/* show or hide the mouse cursor */
fn C.sapp_show_mouse(visible bool)
/* show or hide the mouse cursor */
fn C.sapp_mouse_shown() bool
/* return the userdata pointer optionally provided in sapp_desc */
fn C.sapp_userdata() voidptr
/* return a copy of the sapp_desc structure */
fn C.sapp_query_desc() C.sapp_desc
/* initiate a "soft quit" (sends SAPP_EVENTTYPE_QUIT_REQUESTED) */
fn C.sapp_request_quit()
/* cancel a pending quit (when SAPP_EVENTTYPE_QUIT_REQUESTED has been received) */
fn C.sapp_cancel_quit()
/* intiate a "hard quit" (quit application without sending SAPP_EVENTTYPE_QUIT_REQUSTED) */
fn C.sapp_quit()
/* call from inside event callback to consume the current event (don't forward to platform) */
fn C.sapp_consume_event()
/* get the current frame counter (for comparison with sapp_event.frame_count) */
fn C.sapp_frame_count() u64
/* write string into clipboard */
fn C.sapp_set_clipboard_string(str byteptr)
/* read string from clipboard (usually during SAPP_EVENTTYPE_CLIPBOARD_PASTED) */
fn C.sapp_get_clipboard_string() byteptr
/* special run-function for SOKOL_NO_ENTRY (in standard mode this is an empty stub) */
fn C.sapp_run(desc &C.sapp_desc) int
/* GL: return true when GLES2 fallback is active (to detect fallback from GLES3) */
fn C.sapp_gles2() bool
/* HTML5: enable or disable the hardwired "Leave Site?" dialog box */
fn C.sapp_html5_ask_leave_site(ask bool)
/* Metal: get ARC-bridged pointer to Metal device object */
fn C.sapp_metal_get_device() voidptr
/* Metal: get ARC-bridged pointer to this frame's renderpass descriptor */
fn C.sapp_metal_get_renderpass_descriptor() voidptr
/* Metal: get ARC-bridged pointer to current drawable */
fn C.sapp_metal_get_drawable() voidptr
/* macOS: get ARC-bridged pointer to macOS NSWindow */
fn C.sapp_macos_get_window() voidptr
/* iOS: get ARC-bridged pointer to iOS UIWindow */
fn C.sapp_ios_get_window() voidptr
/* D3D11: get pointer to ID3D11Device object */
fn C.sapp_d3d11_get_device() voidptr
/* D3D11: get pointer to ID3D11DeviceContext object */
fn C.sapp_d3d11_get_device_context() voidptr
/* D3D11: get pointer to ID3D11RenderTargetView object */
fn C.sapp_d3d11_get_render_target_view() voidptr
/* D3D11: get pointer to ID3D11DepthStencilView */
fn C.sapp_d3d11_get_depth_stencil_view() voidptr
/* Win32: get the HWND window handle */
fn C.sapp_win32_get_hwnd() voidptr

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module sapp
pub struct C.sapp_desc {
pub:
init_cb fn() /* these are the user-provided callbacks without user data */
frame_cb fn()
cleanup_cb fn()
event_cb fn( voidptr) //&sapp_event)
fail_cb fn(byteptr)
user_data voidptr /* these are the user-provided callbacks with user data */
init_userdata_cb fn(voidptr)
frame_userdata_cb fn(voidptr)
cleanup_userdata_cb fn(voidptr)
event_userdata_cb fn(&C.sapp_event, voidptr)
fail_userdata_cb fn(voidptr)
width int /* the preferred width of the window / canvas */
height int /* the preferred height of the window / canvas */
sample_count int /* MSAA sample count */
swap_interval int /* the preferred swap interval (ignored on some platforms) */
high_dpi bool /* whether the rendering canvas is full-resolution on HighDPI displays */
fullscreen bool /* whether the window should be created in fullscreen mode */
alpha bool /* whether the framebuffer should have an alpha channel (ignored on some platforms) */
window_title byteptr /* the window title as UTF-8 encoded string */
user_cursor bool /* if true, user is expected to manage cursor image in SAPP_EVENTTYPE_UPDATE_CURSOR */
enable_clipboard bool /* enable clipboard access, default is false */
clipboard_size int /* max size of clipboard content in bytes */
html5_canvas_name byteptr /* the name (id) of the HTML5 canvas element, default is "canvas" */
html5_canvas_resize bool /* if true, the HTML5 canvas size is set to sapp_desc.width/height, otherwise canvas size is tracked */
html5_preserve_drawing_buffer bool /* HTML5 only: whether to preserve default framebuffer content between frames */
html5_premultiplied_alpha bool /* HTML5 only: whether the rendered pixels use premultiplied alpha convention */
html5_ask_leave_site bool /* initial state of the internal html5_ask_leave_site flag (see sapp_html5_ask_leave_site()) */
ios_keyboard_resizes_canvas bool /* if true, showing the iOS keyboard shrinks the canvas */
gl_force_gles2 bool /* if true, setup GLES2/WebGL even if GLES3/WebGL2 is available */
}
pub struct C.sapp_event {
pub:
frame_count u64
@type EventType
key_code KeyCode
char_code u32
key_repeat bool
modifiers u32
mouse_button MouseButton
mouse_x f32
mouse_y f32
scroll_x f32
scroll_y f32
num_touches int
touches [8]sapp_touchpoint
window_width int
window_height int
framebuffer_width int
framebuffer_height int
}
pub fn (e &C.sapp_event) str() string {
return 'evt: frame_count=$e.frame_count, type=${e.@type}'
}
pub struct C.sapp_touchpoint {
pub:
identifier u64
pos_x f32
pos_y f32
changed bool
}

25
vlib/sokol/sfons/sfons.v Normal file
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module sfons
import fontstash
#flag -I fontstash/thirdparty
[inline]
pub fn sfons_create(width int, height int, flags int) &C.FONScontext {
return C.sfons_create(width, height, flags)
}
[inline]
pub fn sfons_destroy(ctx &C.FONScontext) {
C.sfons_destroy(ctx)
}
[inline]
pub fn sfons_rgba(r byte, g byte, b byte, a byte) u32 {
return C.sfons_rgba(r, g, b, a)
}
[inline]
pub fn sfons_flush(ctx &C.FONScontext) {
C.sfons_flush(ctx)
}

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module sfons
fn C.sfons_create(width int, height int, flags int) &C.FONScontext
fn C.sfons_destroy(ctx &FONScontext)
fn C.sfons_rgba(r byte, g byte, b byte, a byte) u32
fn C.sfons_flush(ctx &FONScontext)

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vlib/sokol/sgl/sgl.v Normal file
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module sgl
/* setup/shutdown/misc */
[inline]
pub fn setup(desc &C.sgl_desc_t) {
C.sgl_setup(desc)
}
[inline]
pub fn shutdown() {
C.sgl_shutdown()
}
[inline]
pub fn error() C.sgl_error_t {
return C.sgl_error()
}
[inline]
pub fn defaults() {
C.sgl_defaults()
}
[inline]
pub fn rad(deg f32) f32 {
return C.sgl_rad(deg)
}
[inline]
pub fn deg(rad f32) f32 {
return C.sgl_deg(rad)
}
/* create and destroy pipeline objects */
[inline]
pub fn make_pipeline(desc &C.sg_pipeline_desc) C.sgl_pipeline {
return C.sgl_make_pipeline(desc)
}
[inline]
pub fn destroy_pipeline(pip C.sgl_pipeline) {
C.sgl_destroy_pipeline(pip)
}
/* render state functions */
[inline]
pub fn viewport(x int, y int, w int, h int, origin_top_left bool) {
C.sgl_viewport(x, y, w, h, origin_top_left)
}
[inline]
pub fn scissor_rect(x int, y int, w int, h int, origin_top_left bool) {
C.sgl_scissor_rect(x, y, w, h, origin_top_left)
}
[inline]
pub fn enable_texture() {
C.sgl_enable_texture()
}
[inline]
pub fn disable_texture() {
C.sgl_disable_texture()
}
[inline]
pub fn texture(img C.sg_image) {
C.sgl_texture(img)
}
/* pipeline stack functions */
[inline]
pub fn default_pipeline() {
C.sgl_default_pipeline()
}
[inline]
pub fn load_pipeline(pip C.sgl_pipeline) {
C.sgl_load_pipeline(pip)
}
[inline]
pub fn push_pipeline() {
C.sgl_push_pipeline()
}
[inline]
pub fn pop_pipeline() {
C.sgl_pop_pipeline()
}
/* matrix stack functions */
[inline]
pub fn matrix_mode_modelview() {
C.sgl_matrix_mode_modelview()
}
[inline]
pub fn matrix_mode_projection() {
C.sgl_matrix_mode_projection()
}
[inline]
pub fn matrix_mode_texture() {
C.sgl_matrix_mode_texture()
}
[inline]
pub fn load_identity() {
C.sgl_load_identity()
}
[inline]
pub fn load_matrix(m []f32) {
C.sgl_load_matrix(m.data)
}
[inline]
pub fn load_transpose_matrix(m []f32) {
C.sgl_load_transpose_matrix(m.data)
}
[inline]
pub fn mult_matrix(m []f32) {
C.sgl_mult_matrix(m.data)
}
[inline]
pub fn mult_transpose_matrix(m []f32) {
C.sgl_mult_transpose_matrix(m.data)
}
[inline]
pub fn rotate(angle_rad f32, x f32, y f32, z f32) {
C.sgl_rotate(angle_rad, x, y, z)
}
[inline]
pub fn scale(x f32, y f32, z f32) {
C.sgl_scale(x, y, z)
}
[inline]
pub fn translate(x f32, y f32, z f32) {
C.sgl_translate(x, y, z)
}
[inline]
pub fn frustum(l f32, r f32, b f32, t f32, n f32, f f32) {
C.sgl_frustum(l, r, b, t, n, f)
}
[inline]
pub fn ortho(l f32, r f32, b f32, t f32, n f32, f f32) {
C.sgl_ortho(l, r, b, t, n, f)
}
[inline]
pub fn perspective(fov_y f32, aspect f32, z_near f32, z_far f32) {
C.sgl_perspective(fov_y, aspect, z_near, z_far)
}
[inline]
pub fn lookat(eye_x f32, eye_y f32, eye_z f32, center_x f32, center_y f32, center_z f32, up_x f32, up_y f32, up_z f32) {
C.sgl_lookat(eye_x, eye_y, eye_z, center_x, center_y, center_z, up_x, up_y, up_z)
}
[inline]
pub fn push_matrix() {
C.sgl_push_matrix()
}
[inline]
pub fn pop_matrix() {
C.sgl_pop_matrix()
}
/* these functions only set the internal 'current texcoord / color' (valid inside or outside begin/end) */
[inline]
pub fn t2f(u f32, v f32) {
C.sgl_t2f(u, v)
}
[inline]
pub fn c3f(r f32, g f32, b f32) {
C.sgl_c3f(r, g, b)
}
[inline]
pub fn c4f(r f32, g f32, b f32, a f32) {
C.sgl_c4f(r, g, b, a)
}
[inline]
pub fn c3b(r byte, g byte, b byte) {
C.sgl_c3b(r, g, b)
}
[inline]
pub fn c4b(r byte, g byte, b byte, a byte) {
C.sgl_c4b(r, g, b, a)
}
[inline]
pub fn c1i(rgba u32) {
C.sgl_c1i(rgba)
}
/* define primitives, each begin/end is one draw command */
[inline]
pub fn begin_points() {
C.sgl_begin_points()
}
[inline]
pub fn begin_lines() {
C.sgl_begin_lines()
}
[inline]
pub fn begin_line_strip() {
C.sgl_begin_line_strip()
}
[inline]
pub fn begin_triangles() {
C.sgl_begin_triangles()
}
[inline]
pub fn begin_triangle_strip() {
C.sgl_begin_triangle_strip()
}
[inline]
pub fn begin_quads() {
C.sgl_begin_quads()
}
[inline]
pub fn v2f(x f32, y f32) {
C.sgl_v2f(x, y)
}
[inline]
pub fn v3f(x f32, y f32, z f32) {
C.sgl_v3f(x, y, z)
}
[inline]
pub fn v2f_t2f(x f32, y f32, u f32, v f32) {
C.sgl_v2f_t2f(x, y, u, v)
}
[inline]
pub fn v3f_t2f(x f32, y f32, z f32, u f32, v f32) {
C.sgl_v3f_t2f(x, y, z, u, v)
}
[inline]
pub fn v2f_c3f(x f32, y f32, r f32, g f32, b f32) {
C.sgl_v2f_c3f(x, y, r, g, b)
}
[inline]
pub fn v2f_c3b(x f32, y f32, r byte, g byte, b byte) {
C.sgl_v2f_c3b(x, y, r, g, b)
}
[inline]
pub fn v2f_c4f(x f32, y f32, r f32, g f32, b f32, a f32) {
C.sgl_v2f_c4f(x, y, r, g, b, a)
}
[inline]
pub fn v2f_c4b(x f32, y f32, r byte, g byte, b byte, a byte) {
C.sgl_v2f_c4b(x, y, r, g, b, a)
}
[inline]
pub fn v2f_c1i(x f32, y f32, rgba u32) {
C.sgl_v2f_c1i(x, y, rgba)
}
[inline]
pub fn v3f_c3f(x f32, y f32, z f32, r f32, g f32, b f32) {
C.sgl_v3f_c3f(x, y, z, r, g, b)
}
[inline]
pub fn v3f_c3b(x f32, y f32, z f32, r byte, g byte, b byte) {
C.sgl_v3f_c3b(x, y, z, r, g, b)
}
[inline]
pub fn v3f_c4f(x f32, y f32, z f32, r f32, g f32, b f32, a f32) {
C.sgl_v3f_c4f(x, y, z, r, g, b, a)
}
[inline]
pub fn v3f_c4b(x f32, y f32, z f32, r byte, g byte, b byte, a byte) {
C.sgl_v3f_c4b(x, y, z, r, g, b, a)
}
[inline]
pub fn v3f_c1i(x f32, y f32, z f32, rgba u32) {
C.sgl_v3f_c1i(x, y, z, rgba)
}
[inline]
pub fn v2f_t2f_c3f(x f32, y f32, u f32, v f32, r f32, g f32, b f32) {
C.sgl_v2f_t2f_c3f(x, y, u, v, r, g, b)
}
[inline]
pub fn v2f_t2f_c3b(x f32, y f32, u f32, v f32, r byte, g byte, b byte) {
C.sgl_v2f_t2f_c3b(x, y, u, v, r, g, b)
}
[inline]
pub fn v2f_t2f_c4f(x f32, y f32, u f32, v f32, r f32, g f32, b f32, a f32) {
C.sgl_v2f_t2f_c4f(x, y, u, v, r, g, b, a)
}
[inline]
pub fn v2f_t2f_c4b(x f32, y f32, u f32, v f32, r byte, g byte, b byte, a byte) {
C.sgl_v2f_t2f_c4b(x, y, u, v, r, g, b, a)
}
[inline]
pub fn v2f_t2f_c1i(x f32, y f32, u f32, v f32, rgba u32) {
C.sgl_v2f_t2f_c1i(x, y, u, v, rgba)
}
[inline]
pub fn v3f_t2f_c3f(x f32, y f32, z f32, u f32, v f32, r f32, g f32, b f32) {
C.sgl_v3f_t2f_c3f(x, y, z, u, v, r, g, b)
}
[inline]
pub fn v3f_t2f_c3b(x f32, y f32, z f32, u f32, v f32, r byte, g byte, b byte) {
C.sgl_v3f_t2f_c3b(x, y, z, u, v, r, g, b)
}
[inline]
pub fn v3f_t2f_c4f(x f32, y f32, z f32, u f32, v f32, r f32, g f32, b f32, a f32) {
C.sgl_v3f_t2f_c4f(x, y, z, u, v, r, g, b, a)
}
[inline]
pub fn v3f_t2f_c4b(x f32, y f32, z f32, u f32, v f32, r byte, g byte, b byte, a byte) {
C.sgl_v3f_t2f_c4b(x, y, z, u, v, r, g, b, a)
}
[inline]
pub fn v3f_t2f_c1i(x f32, y f32, z f32, u f32, v f32, rgba u32) {
C.sgl_v3f_t2f_c1i(x, y, z, u, v, rgba)
}
[inline]
pub fn end() {
C.sgl_end()
}
/* render everything */
[inline]
pub fn draw() {
C.sgl_draw()
}

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module sgl
/* setup/shutdown/misc */
fn C.sgl_setup(desc &C.sgl_desc_t)
fn C.sgl_shutdown()
fn C.sgl_error() C.sgl_error_t
fn C.sgl_defaults()
fn C.sgl_rad(deg f32) f32
fn C.sgl_deg(rad f32) f32
/* create and destroy pipeline objects */
fn C.sgl_make_pipeline(desc &C.sg_pipeline_desc) C.sgl_pipeline
fn C.sgl_destroy_pipeline(pip C.sgl_pipeline)
/* render state functions */
fn C.sgl_viewport(x int, y int, w int, h int, origin_top_left bool)
fn C.sgl_scissor_rect(x int, y int, w int, h int, origin_top_left bool)
fn C.sgl_enable_texture()
fn C.sgl_disable_texture()
fn C.sgl_texture(img C.sg_image)
/* pipeline stack functions */
fn C.sgl_default_pipeline()
fn C.sgl_load_pipeline(pip C.sgl_pipeline)
fn C.sgl_push_pipeline()
fn C.sgl_pop_pipeline()
/* matrix stack functions */
fn C.sgl_matrix_mode_modelview()
fn C.sgl_matrix_mode_projection()
fn C.sgl_matrix_mode_texture()
fn C.sgl_load_identity()
fn C.sgl_load_matrix(m []f32) // should be [16]f32
fn C.sgl_load_transpose_matrix(m []f32) // should be [16]f32
fn C.sgl_mult_matrix(m []f32)
fn C.sgl_mult_transpose_matrix(m []f32) // should be [16]f32
fn C.sgl_rotate(angle_rad f32, x f32, y f32, z f32)
fn C.sgl_scale(x f32, y f32, z f32)
fn C.sgl_translate(x f32, y f32, z f32)
fn C.sgl_frustum(l f32, r f32, b f32, t f32, n f32, f f32)
fn C.sgl_ortho(l f32, r f32, b f32, t f32, n f32, f f32)
fn C.sgl_perspective(fov_y f32, aspect f32, z_near f32, z_far f32)
fn C.sgl_lookat(eye_x f32, eye_y f32, eye_z f32, center_x f32, center_y f32, center_z f32, up_x f32, up_y f32, up_z f32)
fn C.sgl_push_matrix()
fn C.sgl_pop_matrix()
/* these functions only set the internal 'current texcoord / color' (valid inside or outside begin/end) */
fn C.sgl_t2f(u f32, v f32)
fn C.sgl_c3f(r f32, g f32, b f32)
fn C.sgl_c4f(r f32, g f32, b f32, a f32)
fn C.sgl_c3b(r byte, g byte, b byte)
fn C.sgl_c4b(r byte, g byte, b byte, a byte)
fn C.sgl_c1i(rgba u32)
/* define primitives, each begin/end is one draw command */
fn C.sgl_begin_points()
fn C.sgl_begin_lines()
fn C.sgl_begin_line_strip()
fn C.sgl_begin_triangles()
fn C.sgl_begin_triangle_strip()
fn C.sgl_begin_quads()
fn C.sgl_v2f(x f32, y f32)
fn C.sgl_v3f(x f32, y f32, z f32)
fn C.sgl_v2f_t2f(x f32, y f32, u f32, v f32)
fn C.sgl_v3f_t2f(x f32, y f32, z f32, u f32, v f32)
fn C.sgl_v2f_c3f(x f32, y f32, r f32, g f32, b f32)
fn C.sgl_v2f_c3b(x f32, y f32, r byte, g byte, b byte)
fn C.sgl_v2f_c4f(x f32, y f32, r f32, g f32, b f32, a f32)
fn C.sgl_v2f_c4b(x f32, y f32, r byte, g byte, b byte, a byte)
fn C.sgl_v2f_c1i(x f32, y f32, rgba u32)
fn C.sgl_v3f_c3f(x f32, y f32, z f32, r f32, g f32, b f32)
fn C.sgl_v3f_c3b(x f32, y f32, z f32, r byte, g byte, b byte)
fn C.sgl_v3f_c4f(x f32, y f32, z f32, r f32, g f32, b f32, a f32)
fn C.sgl_v3f_c4b(x f32, y f32, z f32, r byte, g byte, b byte, a byte)
fn C.sgl_v3f_c1i(x f32, y f32, z f32, rgba u32)
fn C.sgl_v2f_t2f_c3f(x f32, y f32, u f32, v f32, r f32, g f32, b f32)
fn C.sgl_v2f_t2f_c3b(x f32, y f32, u f32, v f32, r byte, g byte, b byte)
fn C.sgl_v2f_t2f_c4f(x f32, y f32, u f32, v f32, r f32, g f32, b f32, a f32)
fn C.sgl_v2f_t2f_c4b(x f32, y f32, u f32, v f32, r byte, g byte, b byte, a byte)
fn C.sgl_v2f_t2f_c1i(x f32, y f32, u f32, v f32, rgba u32)
fn C.sgl_v3f_t2f_c3f(x f32, y f32, z f32, u f32, v f32, r f32, g f32, b f32)
fn C.sgl_v3f_t2f_c3b(x f32, y f32, z f32, u f32, v f32, r byte, g byte, b byte)
fn C.sgl_v3f_t2f_c4f(x f32, y f32, z f32, u f32, v f32, r f32, g f32, b f32, a f32)
fn C.sgl_v3f_t2f_c4b(x f32, y f32, z f32, u f32, v f32, r byte, g byte, b byte, a byte)
fn C.sgl_v3f_t2f_c1i(x f32, y f32, z f32, u f32, v f32, rgba u32)
fn C.sgl_end()
/* render everything */
fn C.sgl_draw()

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module sgl
// should be in a proper module
pub enum SglError {
no_error
vertices_full
commands_full
stack_overflow
stack_underfloat
}
pub struct C.sgl_pipeline {
id u32
}
pub struct C.sgl_desc_t {
max_vertices int /* size for vertex buffer */
max_commands int /* size of uniform- and command-buffers */
pipeline_pool_size int /* size of the internal pipeline pool, default is 64 */
color_format C.sg_pixel_format
depth_format C.sg_pixel_format
sample_count int
face_winding C.sg_face_winding /* default front face winding is CCW */
}

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vlib/sokol/sokol.v Normal file
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module sokol
#flag -I @VROOT/thirdparty/sokol
#flag -I @VROOT/thirdparty/sokol/util
#flag darwin -fobjc-arc
#flag linux -lX11 -lGL
#flag darwin -I/usr/local/Cellar/freetype/2.10.0/include/freetype2/
#flag -lfreetype
// METAL
// #flag -DSOKOL_METAL
// #flag darwin -framework Metal -framework Cocoa -framework MetalKit -framework QuartzCore
// OPENGL
#flag -DSOKOL_GLCORE33
#flag darwin -framework OpenGL -framework Cocoa -framework QuartzCore
// for simplicity, all header includes are here because import order matters and we dont have any way
// to ensure import order with V yet
#define SOKOL_IMPL
#define SOKOL_NO_ENTRY
#include "sokol_app.h"
#define SOKOL_IMPL
#define SOKOL_NO_DEPRECATED
#include "sokol_gfx.h"
#define SOKOL_GL_IMPL
#include "util/sokol_gl.h"
#define FONS_USE_FREETYPE
#define FONTSTASH_IMPLEMENTATION
#include "fontstash.h"
#define SOKOL_FONTSTASH_IMPL
#include "util/sokol_fontstash.h"