Testing without sokol_gp.h
This commit is contained in:
Clément Pons
parent
7798c762ae
commit
ceaa78ea1a
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@ -19,6 +19,7 @@
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"limits": "cpp",
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"ratio": "cpp",
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"sokol_log.h": "c",
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"syslog.h": "c"
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"syslog.h": "c",
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"base.h": "c"
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}
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}
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@ -1 +1,2 @@
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emcc src/main.c -o app.html -sUSE_WEBGL2 -sASSERTIONS -sWASM_BIGINT -sALLOW_MEMORY_GROWTH -pthread -I../sokol -I../sokol_gp -I../flecs/distr --shell-file=shell.html -sFILESYSTEM=0 -g
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sokol-shdc --slang=wgsl -i src/shaders/base.glsl -o src/generated/base.h --ifdef
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emcc src/main.c -o app.html -sUSE_WEBGPU -sASSERTIONS -sWASM_BIGINT -sALLOW_MEMORY_GROWTH -pthread -I../sokol -I../sokol_gp -I../flecs/distr --shell-file=shell.html -sFILESYSTEM=0 -g
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@ -0,0 +1,427 @@
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#pragma once
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/*
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#version:1# (machine generated, don't edit!)
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Generated by sokol-shdc (https://github.com/floooh/sokol-tools)
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Cmdline:
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sokol-shdc --slang=wgsl -i src/shaders/base.glsl -o src/generated/base.h --ifdef
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Overview:
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=========
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Shader program: 'base':
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Get shader desc: base_shader_desc(sg_query_backend());
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Vertex Shader: vs
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Fragment Shader: fs
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Attributes:
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ATTR_base_in_quad => 0
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Bindings:
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Uniform block 'vs_uniform':
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C struct: vs_uniform_t
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Bind slot: UB_vs_uniform => 0
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Uniform block 'fs_uniform':
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C struct: fs_uniform_t
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Bind slot: UB_fs_uniform => 1
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Storage buffer 'vs_ssbo':
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C struct: cell_t
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Bind slot: SBUF_vs_ssbo => 0
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Readonly: true
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*/
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#if !defined(SOKOL_GFX_INCLUDED)
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#error "Please include sokol_gfx.h before base.h"
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#endif
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#if !defined(SOKOL_SHDC_ALIGN)
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#if defined(_MSC_VER)
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#define SOKOL_SHDC_ALIGN(a) __declspec(align(a))
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#else
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#define SOKOL_SHDC_ALIGN(a) __attribute__((aligned(a)))
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#endif
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#endif
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#define ATTR_base_in_quad (0)
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#define UB_vs_uniform (0)
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#define UB_fs_uniform (1)
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#define SBUF_vs_ssbo (0)
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#pragma pack(push,1)
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SOKOL_SHDC_ALIGN(16) typedef struct vs_uniform_t {
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float radius;
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uint8_t _pad_4[12];
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} vs_uniform_t;
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#pragma pack(pop)
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#pragma pack(push,1)
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SOKOL_SHDC_ALIGN(16) typedef struct fs_uniform_t {
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float radius;
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uint8_t _pad_4[12];
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} fs_uniform_t;
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#pragma pack(pop)
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#pragma pack(push,1)
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SOKOL_SHDC_ALIGN(8) typedef struct cell_t {
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float pos[2];
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} cell_t;
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#pragma pack(pop)
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/*
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diagnostic(off, derivative_uniformity);
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struct cell {
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/_ @offset(0) _/
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pos : vec2f,
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}
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alias RTArr = array<cell>;
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struct vs_ssbo {
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/_ @offset(0) _/
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cells : RTArr,
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}
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struct vs_uniform {
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/_ @offset(0) _/
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radius : f32,
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}
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var<private> x_centroid : vec2f;
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@group(1) @binding(32) var<storage, read> x_51 : vs_ssbo;
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var<private> gl_InstanceIndex : i32;
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var<private> x_color : vec3f;
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var<private> x_quad : vec2f;
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@group(0) @binding(0) var<uniform> x_66 : vs_uniform;
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var<private> in_quad : vec2f;
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var<private> gl_Position : vec4f;
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fn color_i1_(i : ptr<function, i32>) -> vec3f {
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var r : f32;
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var g : f32;
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var b : f32;
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let x_16 : i32 = *(i);
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r = (f32(((x_16 >> bitcast<u32>(0i)) & 255i)) / 255.0f);
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let x_25 : i32 = *(i);
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g = (f32(((x_25 >> bitcast<u32>(8i)) & 255i)) / 255.0f);
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let x_32 : i32 = *(i);
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b = (f32(((x_32 >> bitcast<u32>(16i)) & 255i)) / 255.0f);
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let x_38 : f32 = r;
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let x_39 : f32 = g;
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let x_40 : f32 = b;
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return vec3f(x_38, x_39, x_40);
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}
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fn main_1() {
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var param : i32;
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let x_54 : i32 = gl_InstanceIndex;
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let x_57 : vec2f = x_51.cells[x_54].pos;
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x_centroid = x_57;
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let x_61 : i32 = gl_InstanceIndex;
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param = x_61;
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let x_62 : vec3f = color_i1_(&(param));
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x_color = x_62;
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let x_69 : f32 = x_66.radius;
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let x_72 : vec2f = in_quad;
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let x_74 : vec2f = x_centroid;
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x_quad = ((x_72 * x_69) + x_74);
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let x_83 : vec2f = x_quad;
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gl_Position = vec4f(x_83.x, x_83.y, 0.0f, 1.0f);
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return;
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}
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struct main_out {
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@location(2)
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x_centroid_1 : vec2f,
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@location(3) @interpolate(flat)
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x_color_1 : vec3f,
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@location(1)
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x_quad_1 : vec2f,
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@builtin(position)
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gl_Position : vec4f,
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}
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@vertex
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fn main(@builtin(instance_index) gl_InstanceIndex_param : u32, @location(0) in_quad_param : vec2f) -> main_out {
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gl_InstanceIndex = bitcast<i32>(gl_InstanceIndex_param);
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in_quad = in_quad_param;
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main_1();
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return main_out(x_centroid, x_color, x_quad, gl_Position);
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}
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*/
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#if defined(SOKOL_WGPU)
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static const uint8_t vs_source_wgsl[1944] = {
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};
|
||||
#endif
|
||||
/*
|
||||
diagnostic(off, derivative_uniformity);
|
||||
|
||||
struct fs_uniform {
|
||||
/_ @offset(0) _/
|
||||
radius : f32,
|
||||
}
|
||||
|
||||
var<private> gl_FragDepth : f32;
|
||||
|
||||
var<private> x_quad : vec2f;
|
||||
|
||||
var<private> x_centroid : vec2f;
|
||||
|
||||
@group(0) @binding(8) var<uniform> x_20 : fs_uniform;
|
||||
|
||||
var<private> frag_color : vec4f;
|
||||
|
||||
var<private> x_color : vec3f;
|
||||
|
||||
fn main_1() {
|
||||
let x_12 : vec2f = x_quad;
|
||||
let x_14 : vec2f = x_centroid;
|
||||
gl_FragDepth = length((x_12 - x_14));
|
||||
let x_17 : f32 = gl_FragDepth;
|
||||
let x_25 : f32 = x_20.radius;
|
||||
if ((x_17 > x_25)) {
|
||||
discard;
|
||||
}
|
||||
let x_37 : vec3f = x_color;
|
||||
frag_color = vec4f(x_37.x, x_37.y, x_37.z, 1.0f);
|
||||
return;
|
||||
}
|
||||
|
||||
struct main_out {
|
||||
@builtin(frag_depth)
|
||||
gl_FragDepth_1 : f32,
|
||||
@location(4)
|
||||
frag_color_1 : vec4f,
|
||||
}
|
||||
|
||||
@fragment
|
||||
fn main(@location(1) x_quad_param : vec2f, @location(2) x_centroid_param : vec2f, @location(3) @interpolate(flat) x_color_param : vec3f) -> main_out {
|
||||
x_quad = x_quad_param;
|
||||
x_centroid = x_centroid_param;
|
||||
x_color = x_color_param;
|
||||
main_1();
|
||||
return main_out(gl_FragDepth, frag_color);
|
||||
}
|
||||
|
||||
*/
|
||||
#if defined(SOKOL_WGPU)
|
||||
static const uint8_t fs_source_wgsl[1047] = {
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|
||||
0x6f,0x6c,0x6f,0x72,0x20,0x3d,0x20,0x76,0x65,0x63,0x34,0x66,0x28,0x78,0x5f,0x33,
|
||||
0x37,0x2e,0x78,0x2c,0x20,0x78,0x5f,0x33,0x37,0x2e,0x79,0x2c,0x20,0x78,0x5f,0x33,
|
||||
0x37,0x2e,0x7a,0x2c,0x20,0x31,0x2e,0x30,0x66,0x29,0x3b,0x0a,0x20,0x20,0x72,0x65,
|
||||
0x74,0x75,0x72,0x6e,0x3b,0x0a,0x7d,0x0a,0x0a,0x73,0x74,0x72,0x75,0x63,0x74,0x20,
|
||||
0x6d,0x61,0x69,0x6e,0x5f,0x6f,0x75,0x74,0x20,0x7b,0x0a,0x20,0x20,0x40,0x62,0x75,
|
||||
0x69,0x6c,0x74,0x69,0x6e,0x28,0x66,0x72,0x61,0x67,0x5f,0x64,0x65,0x70,0x74,0x68,
|
||||
0x29,0x0a,0x20,0x20,0x67,0x6c,0x5f,0x46,0x72,0x61,0x67,0x44,0x65,0x70,0x74,0x68,
|
||||
0x5f,0x31,0x20,0x3a,0x20,0x66,0x33,0x32,0x2c,0x0a,0x20,0x20,0x40,0x6c,0x6f,0x63,
|
||||
0x61,0x74,0x69,0x6f,0x6e,0x28,0x34,0x29,0x0a,0x20,0x20,0x66,0x72,0x61,0x67,0x5f,
|
||||
0x63,0x6f,0x6c,0x6f,0x72,0x5f,0x31,0x20,0x3a,0x20,0x76,0x65,0x63,0x34,0x66,0x2c,
|
||||
0x0a,0x7d,0x0a,0x0a,0x40,0x66,0x72,0x61,0x67,0x6d,0x65,0x6e,0x74,0x0a,0x66,0x6e,
|
||||
0x20,0x6d,0x61,0x69,0x6e,0x28,0x40,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x28,
|
||||
0x31,0x29,0x20,0x78,0x5f,0x71,0x75,0x61,0x64,0x5f,0x70,0x61,0x72,0x61,0x6d,0x20,
|
||||
0x3a,0x20,0x76,0x65,0x63,0x32,0x66,0x2c,0x20,0x40,0x6c,0x6f,0x63,0x61,0x74,0x69,
|
||||
0x6f,0x6e,0x28,0x32,0x29,0x20,0x78,0x5f,0x63,0x65,0x6e,0x74,0x72,0x6f,0x69,0x64,
|
||||
0x5f,0x70,0x61,0x72,0x61,0x6d,0x20,0x3a,0x20,0x76,0x65,0x63,0x32,0x66,0x2c,0x20,
|
||||
0x40,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x28,0x33,0x29,0x20,0x40,0x69,0x6e,
|
||||
0x74,0x65,0x72,0x70,0x6f,0x6c,0x61,0x74,0x65,0x28,0x66,0x6c,0x61,0x74,0x29,0x20,
|
||||
0x78,0x5f,0x63,0x6f,0x6c,0x6f,0x72,0x5f,0x70,0x61,0x72,0x61,0x6d,0x20,0x3a,0x20,
|
||||
0x76,0x65,0x63,0x33,0x66,0x29,0x20,0x2d,0x3e,0x20,0x6d,0x61,0x69,0x6e,0x5f,0x6f,
|
||||
0x75,0x74,0x20,0x7b,0x0a,0x20,0x20,0x78,0x5f,0x71,0x75,0x61,0x64,0x20,0x3d,0x20,
|
||||
0x78,0x5f,0x71,0x75,0x61,0x64,0x5f,0x70,0x61,0x72,0x61,0x6d,0x3b,0x0a,0x20,0x20,
|
||||
0x78,0x5f,0x63,0x65,0x6e,0x74,0x72,0x6f,0x69,0x64,0x20,0x3d,0x20,0x78,0x5f,0x63,
|
||||
0x65,0x6e,0x74,0x72,0x6f,0x69,0x64,0x5f,0x70,0x61,0x72,0x61,0x6d,0x3b,0x0a,0x20,
|
||||
0x20,0x78,0x5f,0x63,0x6f,0x6c,0x6f,0x72,0x20,0x3d,0x20,0x78,0x5f,0x63,0x6f,0x6c,
|
||||
0x6f,0x72,0x5f,0x70,0x61,0x72,0x61,0x6d,0x3b,0x0a,0x20,0x20,0x6d,0x61,0x69,0x6e,
|
||||
0x5f,0x31,0x28,0x29,0x3b,0x0a,0x20,0x20,0x72,0x65,0x74,0x75,0x72,0x6e,0x20,0x6d,
|
||||
0x61,0x69,0x6e,0x5f,0x6f,0x75,0x74,0x28,0x67,0x6c,0x5f,0x46,0x72,0x61,0x67,0x44,
|
||||
0x65,0x70,0x74,0x68,0x2c,0x20,0x66,0x72,0x61,0x67,0x5f,0x63,0x6f,0x6c,0x6f,0x72,
|
||||
0x29,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
|
||||
};
|
||||
#endif
|
||||
static inline const sg_shader_desc* base_shader_desc(sg_backend backend) {
|
||||
#if defined(SOKOL_WGPU)
|
||||
if (backend == SG_BACKEND_WGPU) {
|
||||
static sg_shader_desc desc;
|
||||
static bool valid;
|
||||
if (!valid) {
|
||||
valid = true;
|
||||
desc.vertex_func.source = (const char*)vs_source_wgsl;
|
||||
desc.vertex_func.entry = "main";
|
||||
desc.fragment_func.source = (const char*)fs_source_wgsl;
|
||||
desc.fragment_func.entry = "main";
|
||||
desc.attrs[0].base_type = SG_SHADERATTRBASETYPE_FLOAT;
|
||||
desc.uniform_blocks[0].stage = SG_SHADERSTAGE_VERTEX;
|
||||
desc.uniform_blocks[0].layout = SG_UNIFORMLAYOUT_STD140;
|
||||
desc.uniform_blocks[0].size = 16;
|
||||
desc.uniform_blocks[0].wgsl_group0_binding_n = 0;
|
||||
desc.uniform_blocks[1].stage = SG_SHADERSTAGE_FRAGMENT;
|
||||
desc.uniform_blocks[1].layout = SG_UNIFORMLAYOUT_STD140;
|
||||
desc.uniform_blocks[1].size = 16;
|
||||
desc.uniform_blocks[1].wgsl_group0_binding_n = 8;
|
||||
desc.storage_buffers[0].stage = SG_SHADERSTAGE_VERTEX;
|
||||
desc.storage_buffers[0].readonly = true;
|
||||
desc.storage_buffers[0].wgsl_group1_binding_n = 32;
|
||||
desc.label = "base_shader";
|
||||
}
|
||||
return &desc;
|
||||
}
|
||||
#endif /* SOKOL_WGPU */
|
||||
return 0;
|
||||
}
|
||||
136
src/main.c
136
src/main.c
|
|
@ -2,7 +2,7 @@
|
|||
|
||||
// Includes Sokol GFX, Sokol GP and Sokol APP, doing all implementations.
|
||||
#define SOKOL_IMPL
|
||||
#define SOKOL_GLES3
|
||||
#define SOKOL_WGPU
|
||||
|
||||
#include "sokol_gfx.h"
|
||||
#include "sokol_gp.h"
|
||||
|
|
@ -11,6 +11,8 @@
|
|||
#include "sokol_log.h"
|
||||
#include "util/sokol_memtrack.h"
|
||||
|
||||
#include "generated/base.h"
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <math.h>
|
||||
|
|
@ -19,6 +21,8 @@
|
|||
#define ALLOC(arg) smemtrack_alloc(arg, NULL)
|
||||
#define FREE(arg) smemtrack_free(arg, NULL)
|
||||
|
||||
#define SAMPLE_COUNT 100000
|
||||
|
||||
void js_log(int severity, const char* format, ...)
|
||||
{
|
||||
char buffer[_SLOG_LINE_LENGTH];
|
||||
|
|
@ -37,52 +41,42 @@ typedef struct position_t
|
|||
float x, y;
|
||||
} position_t;
|
||||
|
||||
typedef struct renderer_t {
|
||||
sg_pipeline pipeline;
|
||||
sg_pipeline compute;
|
||||
sg_bindings* binding;
|
||||
sg_range uniform;
|
||||
} renderer_t;
|
||||
|
||||
typedef struct userdata_t
|
||||
{
|
||||
position_t* cells;
|
||||
position_t pan;
|
||||
float zoom;
|
||||
sg_pipeline* pipeline;
|
||||
renderer_t renderer;
|
||||
} userdata_t;
|
||||
|
||||
// Called on every frame of the application.
|
||||
static void frame(void* _userdata)
|
||||
{
|
||||
userdata_t* userdata = (userdata_t*) _userdata;
|
||||
// Get current window size.
|
||||
int width = sapp_width(), height = sapp_height();
|
||||
float ratio = width/(float)height;
|
||||
|
||||
// Begin recording draw commands for a frame buffer of size (width, height).
|
||||
sgp_begin(width, height);
|
||||
// Set frame buffer drawing region to (0,0,width,height).
|
||||
sgp_viewport(0, 0, width, height);
|
||||
// Set drawing coordinate space to (left=-ratio, right=ratio, top=1, bottom=-1).
|
||||
sgp_project(-ratio, ratio, 1.0f, -1.0f);
|
||||
sg_begin_pass(&(sg_pass) {
|
||||
.action = {
|
||||
.colors[0] = {
|
||||
.load_action = SG_LOADACTION_CLEAR,
|
||||
.clear_value = { 0.0f, 0.0f, 0.0f, 1.0f},
|
||||
},
|
||||
},
|
||||
.swapchain = sglue_swapchain(),
|
||||
});
|
||||
sg_apply_pipeline(userdata->renderer.pipeline);
|
||||
sg_apply_bindings(userdata->renderer.binding);
|
||||
sg_apply_uniforms(UB_vs_uniform, &userdata->renderer.uniform);
|
||||
sg_apply_uniforms(UB_fs_uniform, &userdata->renderer.uniform);
|
||||
|
||||
sgp_translate(userdata->pan.x, userdata->pan.y);
|
||||
sgp_scale(userdata->zoom, userdata->zoom);
|
||||
sg_draw(0, 4, SAMPLE_COUNT);
|
||||
|
||||
// Clear the frame buffer.
|
||||
sgp_set_color(0.0f, 0.0f, 0.0f, 1.0f);
|
||||
sgp_clear();
|
||||
|
||||
// Draw an animated rectangle that rotates and changes its colors.
|
||||
/*float time = sapp_frame_count() * sapp_frame_duration();*/
|
||||
sgp_state* state = sgp_query_state();
|
||||
state->thickness = 0.01f;
|
||||
sgp_set_color(0.5f, 0.6f, 0.3f, 1.0f);
|
||||
|
||||
// Begin a render pass.
|
||||
sg_pass pass = {.swapchain = sglue_swapchain()};
|
||||
sg_begin_pass(&pass);
|
||||
// Dispatch all draw commands to Sokol GFX.
|
||||
sgp_flush();
|
||||
// Finish a draw command queue, clearing it.
|
||||
sgp_end();
|
||||
// End render pass.
|
||||
sg_end_pass();
|
||||
// Commit Sokol render.
|
||||
sg_commit();
|
||||
}
|
||||
|
||||
|
|
@ -100,14 +94,63 @@ static void init(void* _userdata)
|
|||
fprintf(stderr, "Failed to create Sokol GFX context!\n");
|
||||
exit(-1);
|
||||
}
|
||||
|
||||
const position_t quad[4] = {
|
||||
{0.0f, 1.0f}, // bottom left
|
||||
{1.0f, 1.0f}, // bottom right
|
||||
{1.0f, 0.0f}, // top right
|
||||
{0.0f, 0.0f}, // top left
|
||||
};
|
||||
const uint16_t indices[] = {
|
||||
0, 1, 2, 0, 2, 3,
|
||||
};
|
||||
|
||||
const vs_uniform_t uniform = {
|
||||
.radius = 1,
|
||||
};
|
||||
|
||||
void* tmp_buffer = malloc(sizeof(position_t) * SAMPLE_COUNT);
|
||||
|
||||
userdata->renderer = (renderer_t) {
|
||||
.pipeline = sg_make_pipeline(&(sg_pipeline_desc) {
|
||||
.shader = sg_make_shader(base_shader_desc(sg_query_backend())),
|
||||
.depth.write_enabled = true,
|
||||
.layout.attrs = {
|
||||
[ATTR_base_in_quad].format = SG_VERTEXFORMAT_FLOAT2,
|
||||
},
|
||||
}),
|
||||
/*.compute = sg_make_pipeline(&(sg_pipeline_desc) {
|
||||
.compute = true,
|
||||
.shader = sg_make_shader(compute_shader_desc(sg_query_backend())),
|
||||
}),*/
|
||||
.binding = &(sg_bindings) {
|
||||
.vertex_buffers = {
|
||||
[0] = sg_make_buffer(&(sg_buffer_desc) {
|
||||
.type = SG_BUFFERTYPE_VERTEXBUFFER,
|
||||
.data = SG_RANGE(quad),
|
||||
}),
|
||||
},
|
||||
.index_buffer = sg_make_buffer(&(sg_buffer_desc) {
|
||||
.type = SG_BUFFERTYPE_INDEXBUFFER,
|
||||
.data = SG_RANGE(indices),
|
||||
}),
|
||||
.storage_buffers = {
|
||||
[SBUF_vs_ssbo] = sg_make_buffer(&(sg_buffer_desc) {
|
||||
.type = SG_BUFFERTYPE_STORAGEBUFFER,
|
||||
.data = {
|
||||
.ptr = tmp_buffer,
|
||||
.size = sizeof(position_t) * SAMPLE_COUNT,
|
||||
},
|
||||
}),
|
||||
},
|
||||
},
|
||||
.uniform = &SG_RANGE(uniform),
|
||||
};
|
||||
|
||||
// Initialize Sokol GP, adjust the size of command buffers for your own use.
|
||||
sgp_desc sgpdesc = { 0 };
|
||||
sgp_setup(&sgpdesc);
|
||||
if (!sgp_is_valid()) {
|
||||
fprintf(stderr, "Failed to create Sokol GP context: %s\n", sgp_get_error_message(sgp_get_last_error()));
|
||||
exit(-1);
|
||||
}
|
||||
userdata->pan = (position_t) { .x = 0, .y = 0 };
|
||||
userdata->zoom = 1;
|
||||
|
||||
FREE(tmp_buffer);
|
||||
}
|
||||
|
||||
// Called when the application is shutting down.
|
||||
|
|
@ -115,15 +158,12 @@ static void cleanup(void* _userdata)
|
|||
{
|
||||
userdata_t* userdata = (userdata_t*) _userdata;
|
||||
|
||||
FREE(userdata->cells);
|
||||
FREE(userdata);
|
||||
|
||||
// Cleanup Sokol GP and Sokol GFX resources.
|
||||
sgp_shutdown();
|
||||
sg_shutdown();
|
||||
|
||||
smemtrack_info_t info = smemtrack_info();
|
||||
//info.num_allocs
|
||||
js_log(3, "Leaks: %d. Amount: %db", info.num_allocs, info.num_bytes);
|
||||
|
||||
sg_shutdown();
|
||||
}
|
||||
|
||||
static void event(const sapp_event* event, void* _userdata)
|
||||
|
|
@ -163,8 +203,6 @@ static void event(const sapp_event* event, void* _userdata)
|
|||
sapp_desc sokol_main(int argc, char* argv[])
|
||||
{
|
||||
userdata_t* userdata = (userdata_t*) ALLOC(sizeof(userdata_t));
|
||||
userdata->pan = (position_t) { .x = 0, .y = 0 };
|
||||
userdata->zoom = 1;
|
||||
|
||||
(void)argc;
|
||||
(void)argv;
|
||||
|
|
@ -174,7 +212,7 @@ sapp_desc sokol_main(int argc, char* argv[])
|
|||
.frame_userdata_cb = frame,
|
||||
.cleanup_userdata_cb = cleanup,
|
||||
.event_userdata_cb = event,
|
||||
.window_title = "Rectangle (Sokol GP)",
|
||||
.window_title = "Sokol",
|
||||
.allocator = {
|
||||
.alloc_fn = smemtrack_alloc,
|
||||
.free_fn = smemtrack_free,
|
||||
|
|
|
|||
|
|
@ -0,0 +1,60 @@
|
|||
@block common
|
||||
struct cell
|
||||
{
|
||||
vec2 pos;
|
||||
};
|
||||
vec3 color(int i)
|
||||
{
|
||||
float r = ((i >> 0) & 0xff)/255.0f;
|
||||
float g = ((i >> 8) & 0xff)/255.0f;
|
||||
float b = ((i >> 16) & 0xff)/255.0f;
|
||||
return vec3(r, g, b);
|
||||
}
|
||||
@end
|
||||
|
||||
@vs vs
|
||||
@include_block common
|
||||
layout(binding = 0) uniform vs_uniform {
|
||||
float radius;
|
||||
};
|
||||
|
||||
layout(location = 0) in vec2 in_quad;
|
||||
layout(location = 1) out vec2 _quad;
|
||||
layout(location = 2) out vec2 _centroid;
|
||||
layout(location = 3) flat out vec3 _color;
|
||||
|
||||
layout(binding = 0) readonly buffer vs_ssbo
|
||||
{
|
||||
cell cells[];
|
||||
};
|
||||
|
||||
void main()
|
||||
{
|
||||
_centroid = cells[gl_InstanceIndex].pos;
|
||||
_color = color(gl_InstanceIndex);
|
||||
_quad = radius * in_quad + _centroid;
|
||||
gl_Position = vec4(_quad, 0.0, 1.0);
|
||||
}
|
||||
@end
|
||||
|
||||
@fs fs
|
||||
@include_block common
|
||||
|
||||
layout(binding = 1) uniform fs_uniform {
|
||||
float radius;
|
||||
};
|
||||
|
||||
layout(location = 1) in vec2 _quad;
|
||||
layout(location = 2) in vec2 _centroid;
|
||||
layout(location = 3) flat in vec3 _color;
|
||||
layout(location = 4) out vec4 frag_color;
|
||||
|
||||
void main()
|
||||
{
|
||||
gl_FragDepth = length(_quad - _centroid);
|
||||
if(gl_FragDepth > radius) discard;
|
||||
frag_color = vec4(_color, 1.0);
|
||||
}
|
||||
@end
|
||||
|
||||
@program base vs fs
|
||||
Loading…
Reference in New Issue