Circle that doesnt stretch
This commit is contained in:
nothke
parent
7c97adabbe
commit
27528c754c
13
src/main.zig
13
src/main.zig
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@ -10,7 +10,8 @@ var pass_action: sg.PassAction = .{};
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const state = struct {
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var bind: sg.Bindings = .{};
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var pip: sg.Pipeline = .{};
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var vsParams: shader.FsParams = .{ .offset = .{ 0, 0, 0 } };
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var vsParams: shader.VsParams = .{ .aspectRatio = 0.5 };
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var fsParams: shader.FsParams = .{ .offset = .{ 0, 0, 0 } };
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var indexCount: u16 = 0;
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};
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@ -24,7 +25,7 @@ export fn init() void {
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std.log.info("Vertex buffers len: {}", .{state.bind.vertex_buffers.len});
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const vertexCount = 8;
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const vertexCount = 100;
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const radius: f32 = 0.7;
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const cX: f32 = 0;
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@ -118,10 +119,13 @@ export fn frame() void {
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col.g = @abs(@sin(timef()));
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col.r = @abs(@cos(timef()));
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state.vsParams.aspectRatio = sokol.app.heightf() / sokol.app.widthf();
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sg.beginPass(.{ .action = pass_action, .swapchain = sokol.glue.swapchain() });
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sg.applyPipeline(state.pip);
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state.vsParams.offset[0] = col.r;
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sg.applyUniforms(.FS, shader.SLOT_fs_params, sg.asRange(&state.vsParams));
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state.fsParams.offset[0] = col.r;
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sg.applyUniforms(.FS, shader.SLOT_fs_params, sg.asRange(&state.fsParams));
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sg.applyUniforms(.VS, shader.SLOT_vs_params, sg.asRange(&state.vsParams));
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sg.applyBindings(state.bind);
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sg.draw(0, state.indexCount, 1);
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sg.endPass();
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@ -138,6 +142,7 @@ pub fn main() !void {
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.cleanup_cb = cleanup,
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.width = 800,
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.height = 600,
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.fullscreen = true,
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.icon = .{ .sokol_default = true },
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.window_title = "sokol hello",
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.logger = .{ .func = sokol.log.func },
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@ -1,4 +1,8 @@
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@vs vs
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uniform vs_params {
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float aspectRatio;
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};
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in vec4 position;
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in vec4 color0;
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@ -6,6 +10,7 @@ out vec4 color;
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void main() {
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gl_Position = position;
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gl_Position.x *= aspectRatio;
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color = color0;
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}
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@end
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@ -15,6 +15,9 @@ const sg = @import("sokol").gfx;
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// Attributes:
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// ATTR_vs_position => 0
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// ATTR_vs_color0 => 1
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// Uniform block 'vs_params':
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// Zig struct: VsParams
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// Bind slot: SLOT_vs_params => 0
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// Fragment shader: fs
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// Uniform block 'fs_params':
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// Zig struct: FsParams
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@ -22,7 +25,12 @@ const sg = @import("sokol").gfx;
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//
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pub const ATTR_vs_position = 0;
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pub const ATTR_vs_color0 = 1;
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pub const SLOT_vs_params = 0;
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pub const SLOT_fs_params = 0;
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pub const VsParams = extern struct {
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aspectRatio: f32 align(16),
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_pad_4: [12]u8 align(1) = undefined,
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};
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pub const FsParams = extern struct {
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offset: [3]f32 align(16),
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_pad_12: [4]u8 align(1) = undefined,
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@ -30,6 +38,7 @@ pub const FsParams = extern struct {
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//
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// #version 410
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//
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// uniform vec4 vs_params[1];
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// layout(location = 0) in vec4 position;
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// layout(location = 0) out vec4 color;
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// layout(location = 1) in vec4 color0;
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@ -37,22 +46,27 @@ pub const FsParams = extern struct {
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// void main()
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// {
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// gl_Position = position;
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// gl_Position.x *= vs_params[0].x;
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// color = color0;
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// }
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//
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//
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const vs_source_glsl410 = [194]u8 {
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const vs_source_glsl410 = [258]u8 {
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0x0a,0x00,
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};
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@ -86,6 +100,7 @@ const fs_source_glsl410 = [179]u8 {
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//
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// #version 300 es
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//
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// uniform vec4 vs_params[1];
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// layout(location = 0) in vec4 position;
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// out vec4 color;
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// layout(location = 1) in vec4 color0;
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@ -93,21 +108,26 @@ const fs_source_glsl410 = [179]u8 {
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// void main()
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// {
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// gl_Position = position;
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// gl_Position.x *= vs_params[0].x;
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// color = color0;
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// }
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//
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//
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const vs_source_glsl300es = [176]u8 {
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const vs_source_glsl300es = [240]u8 {
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};
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@ -144,6 +164,12 @@ const fs_source_glsl300es = [225]u8 {
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0x00,
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};
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//
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// cbuffer vs_params : register(b0)
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// {
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// float _23_aspectRatio : packoffset(c0);
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// };
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//
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//
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// static float4 gl_Position;
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// static float4 position;
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// static float4 color;
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@ -164,6 +190,7 @@ const fs_source_glsl300es = [225]u8 {
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// void vert_main()
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// {
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// gl_Position = position;
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// gl_Position.x *= _23_aspectRatio;
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// color = color0;
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// }
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//
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@ -178,48 +205,55 @@ const fs_source_glsl300es = [225]u8 {
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// return stage_output;
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// }
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//
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|
||||
0x3b,0x0a,0x7d,0x0a,0x00,
|
||||
const vs_source_hlsl5 = [767]u8 {
|
||||
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|
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|
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|
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|
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|
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|
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|
||||
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|
||||
};
|
||||
//
|
||||
// cbuffer fs_params : register(b0)
|
||||
|
|
@ -297,6 +331,11 @@ const fs_source_hlsl5 = [530]u8 {
|
|||
//
|
||||
// using namespace metal;
|
||||
//
|
||||
// struct vs_params
|
||||
// {
|
||||
// float aspectRatio;
|
||||
// };
|
||||
//
|
||||
// struct main0_out
|
||||
// {
|
||||
// float4 color [[user(locn0)]];
|
||||
|
|
@ -309,43 +348,52 @@ const fs_source_hlsl5 = [530]u8 {
|
|||
// float4 color0 [[attribute(1)]];
|
||||
// };
|
||||
//
|
||||
// vertex main0_out main0(main0_in in [[stage_in]])
|
||||
// vertex main0_out main0(main0_in in [[stage_in]], constant vs_params& _23 [[buffer(0)]])
|
||||
// {
|
||||
// main0_out out = {};
|
||||
// out.gl_Position = in.position;
|
||||
// out.gl_Position.x *= _23.aspectRatio;
|
||||
// out.color = in.color0;
|
||||
// return out;
|
||||
// }
|
||||
//
|
||||
//
|
||||
const vs_source_metal_macos = [419]u8 {
|
||||
const vs_source_metal_macos = [546]u8 {
|
||||
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|
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|
||||
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|
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|
||||
0x0a,0x00,
|
||||
};
|
||||
//
|
||||
// #include <metal_stdlib>
|
||||
|
|
@ -407,8 +455,15 @@ const fs_source_metal_macos = [411]u8 {
|
|||
//
|
||||
// diagnostic(off, derivative_uniformity);
|
||||
//
|
||||
// struct vs_params {
|
||||
// /_ @offset(0) _/
|
||||
// aspectRatio : f32,
|
||||
// }
|
||||
//
|
||||
// var<private> position_1 : vec4f;
|
||||
//
|
||||
// @group(0) @binding(0) var<uniform> x_23 : vs_params;
|
||||
//
|
||||
// var<private> color : vec4f;
|
||||
//
|
||||
// var<private> color0 : vec4f;
|
||||
|
|
@ -418,8 +473,11 @@ const fs_source_metal_macos = [411]u8 {
|
|||
// fn main_1() {
|
||||
// let x_18 : vec4f = position_1;
|
||||
// gl_Position = x_18;
|
||||
// let x_23 : vec4f = color0;
|
||||
// color = x_23;
|
||||
// let x_26 : f32 = x_23.aspectRatio;
|
||||
// let x_30 : f32 = gl_Position.x;
|
||||
// gl_Position.x = (x_30 * x_26);
|
||||
// let x_35 : vec4f = color0;
|
||||
// color = x_35;
|
||||
// return;
|
||||
// }
|
||||
//
|
||||
|
|
@ -439,46 +497,60 @@ const fs_source_metal_macos = [411]u8 {
|
|||
// }
|
||||
//
|
||||
//
|
||||
const vs_source_wgsl = [612]u8 {
|
||||
const vs_source_wgsl = [832]u8 {
|
||||
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|
||||
0x73,0x69,0x74,0x69,0x6f,0x6e,0x2e,0x78,0x20,0x3d,0x20,0x28,0x78,0x5f,0x33,0x30,
|
||||
0x20,0x2a,0x20,0x78,0x5f,0x32,0x36,0x29,0x3b,0x0a,0x20,0x20,0x6c,0x65,0x74,0x20,
|
||||
0x78,0x5f,0x33,0x35,0x20,0x3a,0x20,0x76,0x65,0x63,0x34,0x66,0x20,0x3d,0x20,0x63,
|
||||
0x6f,0x6c,0x6f,0x72,0x30,0x3b,0x0a,0x20,0x20,0x63,0x6f,0x6c,0x6f,0x72,0x20,0x3d,
|
||||
0x20,0x78,0x5f,0x33,0x35,0x3b,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,
|
||||
0x28,0x70,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x29,0x0a,0x20,0x20,0x67,0x6c,0x5f,
|
||||
0x50,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x20,0x3a,0x20,0x76,0x65,0x63,0x34,0x66,
|
||||
0x2c,0x0a,0x20,0x20,0x40,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x28,0x30,0x29,
|
||||
0x0a,0x20,0x20,0x63,0x6f,0x6c,0x6f,0x72,0x5f,0x31,0x20,0x3a,0x20,0x76,0x65,0x63,
|
||||
0x34,0x66,0x2c,0x0a,0x7d,0x0a,0x0a,0x40,0x76,0x65,0x72,0x74,0x65,0x78,0x0a,0x66,
|
||||
0x6e,0x20,0x6d,0x61,0x69,0x6e,0x28,0x40,0x6c,0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,
|
||||
0x28,0x30,0x29,0x20,0x70,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x5f,0x31,0x5f,0x70,
|
||||
0x61,0x72,0x61,0x6d,0x20,0x3a,0x20,0x76,0x65,0x63,0x34,0x66,0x2c,0x20,0x40,0x6c,
|
||||
0x6f,0x63,0x61,0x74,0x69,0x6f,0x6e,0x28,0x31,0x29,0x20,0x63,0x6f,0x6c,0x6f,0x72,
|
||||
0x30,0x5f,0x70,0x61,0x72,0x61,0x6d,0x20,0x3a,0x20,0x76,0x65,0x63,0x34,0x66,0x29,
|
||||
0x20,0x2d,0x3e,0x20,0x6d,0x61,0x69,0x6e,0x5f,0x6f,0x75,0x74,0x20,0x7b,0x0a,0x20,
|
||||
0x20,0x70,0x6f,0x73,0x69,0x74,0x69,0x6f,0x6e,0x5f,0x31,0x20,0x3d,0x20,0x70,0x6f,
|
||||
0x73,0x69,0x74,0x69,0x6f,0x6e,0x5f,0x31,0x5f,0x70,0x61,0x72,0x61,0x6d,0x3b,0x0a,
|
||||
0x20,0x20,0x63,0x6f,0x6c,0x6f,0x72,0x30,0x20,0x3d,0x20,0x63,0x6f,0x6c,0x6f,0x72,
|
||||
0x30,0x5f,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,0x50,0x6f,0x73,0x69,0x74,0x69,
|
||||
0x6f,0x6e,0x2c,0x20,0x63,0x6f,0x6c,0x6f,0x72,0x29,0x3b,0x0a,0x7d,0x0a,0x0a,0x00,
|
||||
|
||||
};
|
||||
//
|
||||
// diagnostic(off, derivative_uniformity);
|
||||
|
|
@ -559,6 +631,11 @@ pub fn triangleShaderDesc(backend: sg.Backend) sg.ShaderDesc {
|
|||
desc.attrs[1].name = "color0";
|
||||
desc.vs.source = &vs_source_glsl410;
|
||||
desc.vs.entry = "main";
|
||||
desc.vs.uniform_blocks[0].size = 16;
|
||||
desc.vs.uniform_blocks[0].layout = .STD140;
|
||||
desc.vs.uniform_blocks[0].uniforms[0].name = "vs_params";
|
||||
desc.vs.uniform_blocks[0].uniforms[0].type = .FLOAT4;
|
||||
desc.vs.uniform_blocks[0].uniforms[0].array_count = 1;
|
||||
desc.fs.source = &fs_source_glsl410;
|
||||
desc.fs.entry = "main";
|
||||
desc.fs.uniform_blocks[0].size = 16;
|
||||
|
|
@ -572,6 +649,11 @@ pub fn triangleShaderDesc(backend: sg.Backend) sg.ShaderDesc {
|
|||
desc.attrs[1].name = "color0";
|
||||
desc.vs.source = &vs_source_glsl300es;
|
||||
desc.vs.entry = "main";
|
||||
desc.vs.uniform_blocks[0].size = 16;
|
||||
desc.vs.uniform_blocks[0].layout = .STD140;
|
||||
desc.vs.uniform_blocks[0].uniforms[0].name = "vs_params";
|
||||
desc.vs.uniform_blocks[0].uniforms[0].type = .FLOAT4;
|
||||
desc.vs.uniform_blocks[0].uniforms[0].array_count = 1;
|
||||
desc.fs.source = &fs_source_glsl300es;
|
||||
desc.fs.entry = "main";
|
||||
desc.fs.uniform_blocks[0].size = 16;
|
||||
|
|
@ -588,6 +670,8 @@ pub fn triangleShaderDesc(backend: sg.Backend) sg.ShaderDesc {
|
|||
desc.vs.source = &vs_source_hlsl5;
|
||||
desc.vs.d3d11_target = "vs_5_0";
|
||||
desc.vs.entry = "main";
|
||||
desc.vs.uniform_blocks[0].size = 16;
|
||||
desc.vs.uniform_blocks[0].layout = .STD140;
|
||||
desc.fs.source = &fs_source_hlsl5;
|
||||
desc.fs.d3d11_target = "ps_5_0";
|
||||
desc.fs.entry = "main";
|
||||
|
|
@ -597,6 +681,8 @@ pub fn triangleShaderDesc(backend: sg.Backend) sg.ShaderDesc {
|
|||
.METAL_MACOS => {
|
||||
desc.vs.source = &vs_source_metal_macos;
|
||||
desc.vs.entry = "main0";
|
||||
desc.vs.uniform_blocks[0].size = 16;
|
||||
desc.vs.uniform_blocks[0].layout = .STD140;
|
||||
desc.fs.source = &fs_source_metal_macos;
|
||||
desc.fs.entry = "main0";
|
||||
desc.fs.uniform_blocks[0].size = 16;
|
||||
|
|
@ -605,6 +691,8 @@ pub fn triangleShaderDesc(backend: sg.Backend) sg.ShaderDesc {
|
|||
.WGPU => {
|
||||
desc.vs.source = &vs_source_wgsl;
|
||||
desc.vs.entry = "main";
|
||||
desc.vs.uniform_blocks[0].size = 16;
|
||||
desc.vs.uniform_blocks[0].layout = .STD140;
|
||||
desc.fs.source = &fs_source_wgsl;
|
||||
desc.fs.entry = "main";
|
||||
desc.fs.uniform_blocks[0].size = 16;
|
||||
|
|
|
|||
|
|
@ -10,7 +10,8 @@ Today:
|
|||
|
||||
Draw a circle!:
|
||||
✔ Draw indices instead of triangle elements @done(24-06-12 00:29)
|
||||
☐ Quad
|
||||
☐ Create a circle vertices
|
||||
☐ Draw the circle
|
||||
✔ Quad @done(24-06-12 00:40)
|
||||
✔ Create a circle vertices @done(24-06-12 01:28)
|
||||
✔ Draw the circle @done(24-06-12 01:28)
|
||||
☐ Make the cirlce not stretch
|
||||
☐ Make the circle move with uniforms
|
||||
Loading…
Reference in New Issue