mirror of
https://github.com/vlang/v.git
synced 2023-08-10 21:13:21 +03:00
vfmt: implement support for // vfmt off and // vfmt on, with it, v fmt -w . now works. (#16335)
This commit is contained in:
Delyan Angelov
@ -103,9 +103,11 @@ fn draw_triangle() {
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sgl.defaults()
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sgl.begin_triangles()
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{
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// vfmt off
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sgl.v2f_c3b( 0.0, 0.5, 255, 0 , 0 )
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sgl.v2f_c3b(-0.5, -0.5, 0, 0 , 255)
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sgl.v2f_c3b( 0.5, -0.5, 0, 255, 0 )
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// vfmt on
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}
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sgl.end()
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}
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@ -114,9 +116,9 @@ fn draw_triangle() {
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fn cube() {
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sgl.begin_quads()
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{
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// edge color
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sgl.c3f(1.0, 0.0, 0.0)
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// edge coord
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// vfmt off
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sgl.c3f(1.0, 0.0, 0.0) // edge color
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// edge coordinates
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// x,y,z, texture cord: u,v
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sgl.v3f_t2f(-1.0, 1.0, -1.0, -1.0, 1.0)
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sgl.v3f_t2f( 1.0, 1.0, -1.0, 1.0, 1.0)
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@ -147,6 +149,7 @@ fn cube() {
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sgl.v3f_t2f(-1.0, 1.0, 1.0, 1.0, 1.0)
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sgl.v3f_t2f( 1.0, 1.0, 1.0, 1.0, -1.0)
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sgl.v3f_t2f( 1.0, 1.0, -1.0, -1.0, -1.0)
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// vfmt on
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}
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sgl.end()
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}
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@ -177,8 +180,10 @@ fn draw_cubes(app App) {
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{
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sgl.translate(0.0, 0.0, 3.0)
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sgl.scale(0.5, 0.5, 0.5)
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// vfmt off
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sgl.rotate(-3.0 * sgl.rad(2 * rot[0]), 1.0, 0.0, 0.0)
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sgl.rotate(3.0 * sgl.rad(2 * rot[1]), 0.0, 0.0, 1.0)
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sgl.rotate( 3.0 * sgl.rad(2 * rot[1]), 0.0, 0.0, 1.0)
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// vfmt on
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cube()
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}
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sgl.pop_matrix()
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@ -189,10 +194,10 @@ fn draw_cubes(app App) {
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fn cube_texture(r f32, g f32, b f32) {
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sgl.begin_quads()
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{
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// edge color
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sgl.c3f(r, g, b)
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sgl.c3f(r, g, b) // edge color
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// edge coord
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// x,y,z, texture cord: u,v
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// vfmt off
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sgl.v3f_t2f(-1.0, 1.0, -1.0, 0.0 , 0.25)
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sgl.v3f_t2f( 1.0, 1.0, -1.0, 0.25, 0.25)
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sgl.v3f_t2f( 1.0, -1.0, -1.0, 0.25, 0.0 )
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@ -222,6 +227,7 @@ fn cube_texture(r f32, g f32, b f32) {
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sgl.v3f_t2f(-1.0, 1.0, 1.0, 0.25, 0.25)
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sgl.v3f_t2f( 1.0, 1.0, 1.0, 0.25, 0.0 )
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sgl.v3f_t2f( 1.0, 1.0, -1.0, 0.0 , 0.0 )
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// vfmt on
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}
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sgl.end()
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}
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@ -253,6 +259,7 @@ fn init_cube_glsl(mut app App) {
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// d := u16(32767/8) // for compatibility with D3D11, 32767 stand for 1
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d := f32(1.0) // 0.05)
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c := u32(0xFFFFFF_FF) // color RGBA8
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// vfmt off
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vertices := [
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// Face 0
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Vertex_t{-1.0, -1.0, -1.0, c, 0, 0},
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@ -285,8 +292,11 @@ fn init_cube_glsl(mut app App) {
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Vertex_t{ 1.0, 1.0, 1.0, c, d, d},
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Vertex_t{ 1.0, 1.0, -1.0, c, 0, d},
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]
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// vfmt on
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mut vert_buffer_desc := gfx.BufferDesc{label: c'cube-vertices'}
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mut vert_buffer_desc := gfx.BufferDesc{
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label: c'cube-vertices'
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}
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unsafe { vmemset(&vert_buffer_desc, 0, int(sizeof(vert_buffer_desc))) }
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vert_buffer_desc.size = usize(vertices.len * int(sizeof(Vertex_t)))
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@ -300,14 +310,16 @@ fn init_cube_glsl(mut app App) {
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vbuf := gfx.make_buffer(&vert_buffer_desc)
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// create an index buffer for the cube
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// vfmt off
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indices := [
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u16(0), 1, 2, 0, 2, 3,
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6, 5, 4, 7, 6, 4,
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8, 9, 10, 8, 10, 11,
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14, 13, 12, 15, 14, 12,
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16, 17, 18, 16, 18, 19,
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22, 21, 20, 23, 22, 20
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u16(0), 1, 2, 0, 2, 3,
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6, 5, 4, 7, 6, 4,
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8, 9, 10, 8, 10, 11,
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14, 13, 12, 15, 14, 12,
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16, 17, 18, 16, 18, 19,
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22, 21, 20, 23, 22, 20,
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]
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// vfmt on
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mut index_buffer_desc := gfx.BufferDesc{
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label: c'cube-indices'
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@ -331,9 +343,9 @@ fn init_cube_glsl(mut app App) {
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pipdesc.layout.buffers[0].stride = int(sizeof(Vertex_t))
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// the constants [C.ATTR_vs_pos, C.ATTR_vs_color0, C.ATTR_vs_texcoord0] are generated bysokol-shdc
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pipdesc.layout.attrs[C.ATTR_vs_pos ].format = .float3 // x,y,z as f32
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pipdesc.layout.attrs[C.ATTR_vs_color0 ].format = .ubyte4n // color as u32
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pipdesc.layout.attrs[C.ATTR_vs_texcoord0].format = .float2 // u,v as f32
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pipdesc.layout.attrs[C.ATTR_vs_pos].format = .float3 // x,y,z as f32
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pipdesc.layout.attrs[C.ATTR_vs_color0].format = .ubyte4n // color as u32
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pipdesc.layout.attrs[C.ATTR_vs_texcoord0].format = .float2 // u,v as f32
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// pipdesc.layout.attrs[C.ATTR_vs_texcoord0].format = .short2n // u,v as u16
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pipdesc.shader = shader
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@ -443,8 +455,10 @@ fn draw_texture_cubes(app App) {
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{
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sgl.translate(0.0, 0.0, 3.0)
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sgl.scale(0.5, 0.5, 0.5)
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// vfmt off
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sgl.rotate(-3.0 * sgl.rad(2 * rot[0]), 1.0, 0.0, 0.0)
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sgl.rotate(3.0 * sgl.rad(2 * rot[1]), 0.0, 0.0, 1.0)
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sgl.rotate( 3.0 * sgl.rad(2 * rot[1]), 0.0, 0.0, 1.0)
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// vfmt on
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cube_texture(1, 1, 1)
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}
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sgl.pop_matrix()
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@ -122,6 +122,7 @@ fn init_cube_glsl(mut app App) {
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// d := u16(32767) // for compatibility with D3D11, 32767 stand for 1
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d := f32(1.0)
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c := u32(0xFFFFFF_FF) // color RGBA8
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// vfmt off
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vertices := [
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// Face 0
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Vertex_t{-1.0, -1.0, -1.0, c, 0, 0},
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@ -154,8 +155,11 @@ fn init_cube_glsl(mut app App) {
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Vertex_t{ 1.0, 1.0, 1.0, c, d, d},
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Vertex_t{ 1.0, 1.0, -1.0, c, 0, d},
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]
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// vfmt on
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mut vert_buffer_desc := gfx.BufferDesc{label: c'cube-vertices'}
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mut vert_buffer_desc := gfx.BufferDesc{
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label: c'cube-vertices'
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}
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unsafe { vmemset(&vert_buffer_desc, 0, int(sizeof(vert_buffer_desc))) }
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vert_buffer_desc.size = usize(vertices.len * int(sizeof(Vertex_t)))
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@ -168,17 +172,21 @@ fn init_cube_glsl(mut app App) {
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vbuf := gfx.make_buffer(&vert_buffer_desc)
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// create an index buffer for the cube
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// vfmt off
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indices := [
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u16(0), 1, 2, 0, 2, 3,
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6, 5, 4, 7, 6, 4,
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8, 9, 10, 8, 10, 11,
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14, 13, 12, 15, 14, 12,
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16, 17, 18, 16, 18, 19,
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22, 21, 20, 23, 22, 20,
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u16(0), 1, 2, 0, 2, 3,
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6, 5, 4, 7, 6, 4,
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8, 9, 10, 8, 10, 11,
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14, 13, 12, 15, 14, 12,
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16, 17, 18, 16, 18, 19,
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22, 21, 20, 23, 22, 20,
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]
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// vfmt on
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mut index_buffer_desc := gfx.BufferDesc{label: c'cube-indices'}
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unsafe {vmemset(&index_buffer_desc, 0, int(sizeof(index_buffer_desc)))}
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mut index_buffer_desc := gfx.BufferDesc{
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label: c'cube-indices'
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}
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unsafe { vmemset(&index_buffer_desc, 0, int(sizeof(index_buffer_desc))) }
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index_buffer_desc.size = usize(indices.len * int(sizeof(u16)))
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index_buffer_desc.data = gfx.Range{
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@ -186,7 +194,7 @@ fn init_cube_glsl(mut app App) {
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size: usize(indices.len * int(sizeof(u16)))
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}
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index_buffer_desc.@type = .indexbuffer
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index_buffer_desc.@type = .indexbuffer
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ibuf := gfx.make_buffer(&index_buffer_desc)
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// create shader
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@ -197,9 +205,9 @@ fn init_cube_glsl(mut app App) {
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pipdesc.layout.buffers[0].stride = int(sizeof(Vertex_t))
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// the constants [C.ATTR_vs_pos, C.ATTR_vs_color0, C.ATTR_vs_texcoord0] are generated by sokol-shdc
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pipdesc.layout.attrs[C.ATTR_vs_pos ].format = .float3 // x,y,z as f32
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pipdesc.layout.attrs[C.ATTR_vs_color0 ].format = .ubyte4n // color as u32
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pipdesc.layout.attrs[C.ATTR_vs_texcoord0].format = .float2 // u,v as f32
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pipdesc.layout.attrs[C.ATTR_vs_pos].format = .float3 // x,y,z as f32
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pipdesc.layout.attrs[C.ATTR_vs_color0].format = .ubyte4n // color as u32
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pipdesc.layout.attrs[C.ATTR_vs_texcoord0].format = .float2 // u,v as f32
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// pipdesc.layout.attrs[C.ATTR_vs_texcoord0].format = .short2n // u,v as u16
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pipdesc.shader = shader
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@ -222,21 +230,24 @@ fn init_cube_glsl(mut app App) {
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[inline]
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fn vec4(x f32, y f32, z f32, w f32) m4.Vec4 {
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return m4.Vec4{e:[x, y, z, w]!}
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return m4.Vec4{
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e: [x, y, z, w]!
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}
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}
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fn calc_tr_matrices(w f32, h f32, rx f32, ry f32, in_scale f32) m4.Mat4 {
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proj := m4.perspective(60, w/h, 0.01, 10.0)
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view := m4.look_at(vec4(f32(0.0) ,0 , 6, 0), vec4(f32(0), 0, 0, 0), vec4(f32(0), 1, 0, 0))
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proj := m4.perspective(60, w / h, 0.01, 10.0)
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view := m4.look_at(vec4(f32(0.0), 0, 6, 0), vec4(f32(0), 0, 0, 0), vec4(f32(0), 1,
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0, 0))
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view_proj := view * proj
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rxm := m4.rotate(m4.rad(rx), vec4(f32(1), 0, 0, 0))
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rym := m4.rotate(m4.rad(ry), vec4(f32(0), 1, 0, 0))
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model := rym * rxm
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model := rym * rxm
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scale_m := m4.scale(vec4(in_scale, in_scale, in_scale, 1))
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res := (scale_m * model) * view_proj
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res := (scale_m * model) * view_proj
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return res
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}
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@ -270,6 +281,7 @@ fn draw_cube_glsl(app App) {
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}
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gfx.apply_uniforms(.vs, C.SLOT_vs_params, &vs_uniforms_range)
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// vfmt off
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// *** fragment shader uniforms ***
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time_ticks := f32(time.ticks() - app.ticks) / 1000
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mut tmp_fs_params := [
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@ -282,6 +294,7 @@ fn draw_cube_glsl(app App) {
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0,
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0 // padding bytes , see "fs_params" struct paddings in rt_glsl.h
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]!
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// vfmt on
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fs_uniforms_range := gfx.Range{
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ptr: unsafe { &tmp_fs_params }
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size: usize(sizeof(tmp_fs_params))
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@ -355,9 +368,9 @@ fn my_init(mut app App) {
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tmp_txt[i + 3] = u8(0xFF)
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} else {
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col := if ((x + y) & 1) == 1 { 0xFF } else { 128 }
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tmp_txt[i + 0] = u8(col) // red
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tmp_txt[i + 1] = u8(col) // green
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tmp_txt[i + 2] = u8(col) // blue
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tmp_txt[i + 0] = u8(col) // red
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tmp_txt[i + 1] = u8(col) // green
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tmp_txt[i + 2] = u8(col) // blue
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tmp_txt[i + 3] = u8(0xFF) // alpha
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}
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i += 4
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@ -26,6 +26,7 @@ import time
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#flag -I @VMODROOT/.
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#include "rt_glsl_march.h" # Should be generated with `v shader .` (see the instructions at the top of this file)
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#include "rt_glsl_puppy.h" # Should be generated with `v shader .` (see the instructions at the top of this file)
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fn C.rt_march_shader_desc(gfx.Backend) &gfx.ShaderDesc
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fn C.rt_puppy_shader_desc(gfx.Backend) &gfx.ShaderDesc
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@ -45,10 +46,10 @@ mut:
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mouse_y int = -1
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mouse_down bool
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// glsl
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cube_pip_glsl gfx.Pipeline
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cube_bind gfx.Bindings
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pipe map[string]gfx.Pipeline
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bind map[string]gfx.Bindings
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cube_pip_glsl gfx.Pipeline
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cube_bind gfx.Bindings
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pipe map[string]gfx.Pipeline
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bind map[string]gfx.Bindings
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// time
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ticks i64
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}
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@ -124,6 +125,7 @@ fn init_cube_glsl_m(mut app App) {
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// d := u16(32767) // for compatibility with D3D11, 32767 stand for 1
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d := f32(1.0)
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c := u32(0xFFFFFF_FF) // color RGBA8
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// vfmt off
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vertices := [
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// Face 0
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Vertex_t{-1.0, -1.0, -1.0, c, 0, 0},
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@ -156,8 +158,11 @@ fn init_cube_glsl_m(mut app App) {
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Vertex_t{ 1.0, 1.0, 1.0, c, d, d},
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Vertex_t{ 1.0, 1.0, -1.0, c, 0, d},
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]
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// vfmt on
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mut vert_buffer_desc := gfx.BufferDesc{label: c'cube-vertices'}
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mut vert_buffer_desc := gfx.BufferDesc{
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label: c'cube-vertices'
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}
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unsafe { vmemset(&vert_buffer_desc, 0, int(sizeof(vert_buffer_desc))) }
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vert_buffer_desc.size = usize(vertices.len * int(sizeof(Vertex_t)))
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vert_buffer_desc.data = gfx.Range{
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@ -167,19 +172,23 @@ fn init_cube_glsl_m(mut app App) {
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vert_buffer_desc.@type = .vertexbuffer
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vbuf := gfx.make_buffer(&vert_buffer_desc)
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/* create an index buffer for the cube */
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// create an index buffer for the cube
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// vfmt off
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indices := [
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u16(0), 1, 2, 0, 2, 3,
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6, 5, 4, 7, 6, 4,
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8, 9, 10, 8, 10, 11,
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u16(0), 1, 2, 0, 2, 3,
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6 , 5, 4, 7, 6, 4,
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8 , 9, 10, 8, 10, 11,
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/*
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u16(14), 13, 12, 15, 14, 12,
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16, 17, 18, 16, 18, 19,
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22, 21, 20, 23, 22, 20
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u16(14), 13, 12, 15, 14, 12,
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16, 17, 18, 16, 18, 19,
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22, 21, 20, 23, 22, 20,
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*/
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]
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// vfmt on
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mut index_buffer_desc := gfx.BufferDesc{label: c'cube-indices'}
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mut index_buffer_desc := gfx.BufferDesc{
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label: c'cube-indices'
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}
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unsafe { vmemset(&index_buffer_desc, 0, int(sizeof(index_buffer_desc))) }
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index_buffer_desc.size = usize(indices.len * int(sizeof(u16)))
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index_buffer_desc.data = gfx.Range{
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@ -196,11 +205,13 @@ fn init_cube_glsl_m(mut app App) {
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unsafe { vmemset(&pipdesc, 0, int(sizeof(pipdesc))) }
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pipdesc.layout.buffers[0].stride = int(sizeof(Vertex_t))
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// vfmt off
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// the constants [C.ATTR_vs_m_pos, C.ATTR_vs_m_color0, C.ATTR_vs_m_texcoord0] are generated by sokol-shdc
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pipdesc.layout.attrs[C.ATTR_vs_m_pos ].format = .float3 // x,y,z as f32
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pipdesc.layout.attrs[C.ATTR_vs_m_color0 ].format = .ubyte4n // color as u32
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pipdesc.layout.attrs[C.ATTR_vs_m_texcoord0].format = .float2 // u,v as f32
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// pipdesc.layout.attrs[C.ATTR_vs_m_texcoord0].format = .short2n // u,v as u16
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// vfmt on
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pipdesc.shader = shader
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pipdesc.index_type = .uint16
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@ -230,6 +241,7 @@ fn init_cube_glsl_p(mut app App) {
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// d := u16(32767) // for compatibility with D3D11, 32767 stand for 1
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d := f32(1.0)
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c := u32(0xFFFFFF_FF) // color RGBA8
|
||||
// vfmt off
|
||||
vertices := [
|
||||
// Face 0
|
||||
Vertex_t{-1.0, -1.0, -1.0, c, 0, 0},
|
||||
@ -262,6 +274,7 @@ fn init_cube_glsl_p(mut app App) {
|
||||
Vertex_t{ 1.0, 1.0, 1.0, c, d, d},
|
||||
Vertex_t{ 1.0, 1.0, -1.0, c, 0, d},
|
||||
]
|
||||
// vfmt off
|
||||
|
||||
mut vert_buffer_desc := gfx.BufferDesc{label: c'cube-vertices'}
|
||||
unsafe { vmemset(&vert_buffer_desc, 0, int(sizeof(vert_buffer_desc))) }
|
||||
@ -274,19 +287,22 @@ fn init_cube_glsl_p(mut app App) {
|
||||
vbuf := gfx.make_buffer(&vert_buffer_desc)
|
||||
|
||||
/* create an index buffer for the cube */
|
||||
// vfmt off
|
||||
indices := [
|
||||
/*
|
||||
u16(0), 1, 2, 0, 2, 3,
|
||||
6, 5, 4, 7, 6, 4,
|
||||
8, 9, 10, 8, 10, 11,
|
||||
u16(0), 1, 2, 0, 2, 3,
|
||||
6, 5, 4, 7, 6, 4,
|
||||
8, 9, 10, 8, 10, 11,
|
||||
*/
|
||||
u16(14), 13, 12, 15, 14, 12,
|
||||
16, 17, 18, 16, 18, 19,
|
||||
22, 21, 20, 23, 22, 20
|
||||
|
||||
u16(14), 13, 12, 15, 14, 12,
|
||||
16 , 17, 18, 16, 18, 19,
|
||||
22 , 21, 20, 23, 22, 20,
|
||||
]
|
||||
// vfmt on
|
||||
|
||||
mut index_buffer_desc := gfx.BufferDesc{label: c'cube-indices'}
|
||||
mut index_buffer_desc := gfx.BufferDesc{
|
||||
label: c'cube-indices'
|
||||
}
|
||||
unsafe { vmemset(&index_buffer_desc, 0, int(sizeof(index_buffer_desc))) }
|
||||
index_buffer_desc.size = usize(indices.len * int(sizeof(u16)))
|
||||
index_buffer_desc.data = gfx.Range{
|
||||
@ -303,11 +319,13 @@ fn init_cube_glsl_p(mut app App) {
|
||||
unsafe { vmemset(&pipdesc, 0, int(sizeof(pipdesc))) }
|
||||
pipdesc.layout.buffers[0].stride = int(sizeof(Vertex_t))
|
||||
|
||||
// vfmt off
|
||||
// the constants [C.ATTR_vs_p_pos, C.ATTR_vs_p_color0, C.ATTR_vs_p_texcoord0] are generated by sokol-shdc
|
||||
pipdesc.layout.attrs[C.ATTR_vs_p_pos ].format = .float3 // x,y,z as f32
|
||||
pipdesc.layout.attrs[C.ATTR_vs_p_color0 ].format = .ubyte4n // color as u32
|
||||
pipdesc.layout.attrs[C.ATTR_vs_p_texcoord0].format = .float2 // u,v as f32
|
||||
// pipdesc.layout.attrs[C.ATTR_vs_p_texcoord0].format = .short2n // u,v as u16
|
||||
// vfmt on
|
||||
|
||||
pipdesc.shader = shader
|
||||
pipdesc.index_type = .uint16
|
||||
@ -334,21 +352,24 @@ fn init_cube_glsl_p(mut app App) {
|
||||
|
||||
[inline]
|
||||
fn vec4(x f32, y f32, z f32, w f32) m4.Vec4 {
|
||||
return m4.Vec4{e:[x, y, z, w]!}
|
||||
return m4.Vec4{
|
||||
e: [x, y, z, w]!
|
||||
}
|
||||
}
|
||||
|
||||
fn calc_tr_matrices(w f32, h f32, rx f32, ry f32, in_scale f32) m4.Mat4 {
|
||||
proj := m4.perspective(60, w/h, 0.01, 10.0)
|
||||
view := m4.look_at(vec4(f32(0.0) ,0 , 6, 0), vec4(f32(0), 0, 0, 0), vec4(f32(0), 1, 0, 0))
|
||||
proj := m4.perspective(60, w / h, 0.01, 10.0)
|
||||
view := m4.look_at(vec4(f32(0.0), 0, 6, 0), vec4(f32(0), 0, 0, 0), vec4(f32(0), 1,
|
||||
0, 0))
|
||||
view_proj := view * proj
|
||||
|
||||
rxm := m4.rotate(m4.rad(rx), vec4(f32(1), 0, 0, 0))
|
||||
rym := m4.rotate(m4.rad(ry), vec4(f32(0), 1, 0, 0))
|
||||
|
||||
model := rym * rxm
|
||||
model := rym * rxm
|
||||
scale_m := m4.scale(vec4(in_scale, in_scale, in_scale, 1))
|
||||
|
||||
res := (scale_m * model) * view_proj
|
||||
res := (scale_m * model) * view_proj
|
||||
return res
|
||||
}
|
||||
|
||||
@ -381,6 +402,7 @@ fn draw_cube_glsl_m(app App) {
|
||||
|
||||
// *** fragment shader uniforms ***
|
||||
time_ticks := f32(time.ticks() - app.ticks) / 1000
|
||||
// vfmt off
|
||||
mut tmp_fs_params := [
|
||||
f32(ws.width),
|
||||
ws.height * ratio, // x,y resolution to pass to FS
|
||||
@ -393,6 +415,7 @@ fn draw_cube_glsl_m(app App) {
|
||||
0,
|
||||
0 // padding bytes , see "fs_params" struct paddings in rt_glsl.h
|
||||
]!
|
||||
// vfmt on
|
||||
fs_uniforms_range := gfx.Range{
|
||||
ptr: unsafe { &tmp_fs_params }
|
||||
size: usize(sizeof(tmp_fs_params))
|
||||
@ -438,12 +461,12 @@ fn draw_cube_glsl_p(app App) {
|
||||
ws.height * ratio, // x,y resolution to pass to FS
|
||||
0,
|
||||
0, // dont send mouse position
|
||||
/* app.mouse_x, // mouse x */
|
||||
/* ws.height - app.mouse_y*2, // mouse y scaled */
|
||||
time_ticks, // time as f32
|
||||
// app.mouse_x, // mouse x
|
||||
// ws.height - app.mouse_y*2, // mouse y scaled
|
||||
time_ticks, // time as f32
|
||||
app.frame_count, // frame count
|
||||
0,
|
||||
0 // padding bytes , see "fs_params" struct paddings in rt_glsl.h
|
||||
0, // padding bytes , see "fs_params" struct paddings in rt_glsl.h
|
||||
]!
|
||||
fs_uniforms_range := gfx.Range{
|
||||
ptr: unsafe { &tmp_fs_params }
|
||||
@ -543,9 +566,9 @@ fn my_init(mut app App) {
|
||||
tmp_txt[i + 3] = u8(0xFF)
|
||||
} else {
|
||||
col := if ((x + y) & 1) == 1 { 0xFF } else { 128 }
|
||||
tmp_txt[i + 0] = u8(col) // red
|
||||
tmp_txt[i + 1] = u8(col) // green
|
||||
tmp_txt[i + 2] = u8(col) // blue
|
||||
tmp_txt[i + 0] = u8(col) // red
|
||||
tmp_txt[i + 1] = u8(col) // green
|
||||
tmp_txt[i + 2] = u8(col) // blue
|
||||
tmp_txt[i + 3] = u8(0xFF) // alpha
|
||||
}
|
||||
i += 4
|
||||
|
||||
@ -17,10 +17,8 @@ import gg
|
||||
import gg.m4
|
||||
import gx
|
||||
import math
|
||||
|
||||
import sokol.gfx
|
||||
//import sokol.sgl
|
||||
|
||||
// import sokol.sgl
|
||||
import time
|
||||
|
||||
const (
|
||||
@ -32,31 +30,27 @@ const (
|
||||
|
||||
struct App {
|
||||
mut:
|
||||
gg &gg.Context = unsafe { nil }
|
||||
texture gfx.Image
|
||||
init_flag bool
|
||||
frame_count int
|
||||
|
||||
mouse_x int = -1
|
||||
mouse_y int = -1
|
||||
mouse_down bool
|
||||
gg &gg.Context = unsafe { nil }
|
||||
texture gfx.Image
|
||||
init_flag bool
|
||||
frame_count int
|
||||
|
||||
mouse_x int = -1
|
||||
mouse_y int = -1
|
||||
mouse_down bool
|
||||
// glsl
|
||||
cube_pip_glsl gfx.Pipeline
|
||||
cube_bind gfx.Bindings
|
||||
|
||||
pipe map[string]gfx.Pipeline
|
||||
bind map[string]gfx.Bindings
|
||||
|
||||
pipe map[string]gfx.Pipeline
|
||||
bind map[string]gfx.Bindings
|
||||
// time
|
||||
ticks i64
|
||||
|
||||
ticks i64
|
||||
// instances
|
||||
inst_pos [num_inst]m4.Vec4
|
||||
|
||||
inst_pos [num_inst]m4.Vec4
|
||||
// camera
|
||||
camera_x f32
|
||||
camera_z f32
|
||||
camera_x f32
|
||||
camera_z f32
|
||||
}
|
||||
|
||||
/******************************************************************************
|
||||
@ -64,13 +58,15 @@ mut:
|
||||
******************************************************************************/
|
||||
#flag -I @VMODROOT/.
|
||||
#include "rt_glsl_instancing.h" # Should be generated with `v shader .` (see the instructions at the top of this file)
|
||||
|
||||
fn C.instancing_shader_desc(gfx.Backend) &gfx.ShaderDesc
|
||||
|
||||
/******************************************************************************
|
||||
* Texture functions
|
||||
******************************************************************************/
|
||||
fn create_texture(w int, h int, buf byteptr) gfx.Image{
|
||||
fn create_texture(w int, h int, buf byteptr) gfx.Image {
|
||||
sz := w * h * 4
|
||||
// vfmt off
|
||||
mut img_desc := gfx.ImageDesc{
|
||||
width: w
|
||||
height: h
|
||||
@ -83,9 +79,10 @@ fn create_texture(w int, h int, buf byteptr) gfx.Image{
|
||||
label: &u8(0)
|
||||
d3d11_texture: 0
|
||||
}
|
||||
// vfmt on
|
||||
// comment if .dynamic is enabled
|
||||
img_desc.data.subimage[0][0] = gfx.Range{
|
||||
ptr: buf
|
||||
ptr: buf
|
||||
size: usize(sz)
|
||||
}
|
||||
|
||||
@ -93,12 +90,12 @@ fn create_texture(w int, h int, buf byteptr) gfx.Image{
|
||||
return sg_img
|
||||
}
|
||||
|
||||
fn destroy_texture(sg_img gfx.Image){
|
||||
fn destroy_texture(sg_img gfx.Image) {
|
||||
gfx.destroy_image(sg_img)
|
||||
}
|
||||
|
||||
// Use only if usage: .dynamic is enabled
|
||||
fn update_text_texture(sg_img gfx.Image, w int, h int, buf byteptr){
|
||||
fn update_text_texture(sg_img gfx.Image, w int, h int, buf byteptr) {
|
||||
sz := w * h * 4
|
||||
mut tmp_sbc := gfx.ImageData{}
|
||||
tmp_sbc.subimage[0][0] = gfx.Range{
|
||||
@ -122,23 +119,23 @@ fn update_text_texture(sg_img gfx.Image, w int, h int, buf byteptr){
|
||||
*/
|
||||
|
||||
struct Vertex_t {
|
||||
x f32
|
||||
y f32
|
||||
z f32
|
||||
color u32
|
||||
|
||||
//u u16 // for compatibility with D3D11
|
||||
//v u16 // for compatibility with D3D11
|
||||
u f32
|
||||
v f32
|
||||
x f32
|
||||
y f32
|
||||
z f32
|
||||
color u32
|
||||
// u u16 // for compatibility with D3D11
|
||||
// v u16 // for compatibility with D3D11
|
||||
u f32
|
||||
v f32
|
||||
}
|
||||
|
||||
// march shader init
|
||||
fn init_cube_glsl_i(mut app App) {
|
||||
/* cube vertex buffer */
|
||||
//d := u16(32767) // for compatibility with D3D11, 32767 stand for 1
|
||||
// cube vertex buffer
|
||||
// d := u16(32767) // for compatibility with D3D11, 32767 stand for 1
|
||||
d := f32(1.0)
|
||||
c := u32(0xFFFFFF_FF) // color RGBA8
|
||||
// vfmt off
|
||||
vertices := [
|
||||
// Face 0
|
||||
Vertex_t{-1.0, -1.0, -1.0, c, 0, 0},
|
||||
@ -171,54 +168,63 @@ fn init_cube_glsl_i(mut app App) {
|
||||
Vertex_t{ 1.0, 1.0, 1.0, c, d, d},
|
||||
Vertex_t{ 1.0, 1.0, -1.0, c, 0, d},
|
||||
]
|
||||
// vfmt on
|
||||
|
||||
mut vert_buffer_desc := gfx.BufferDesc{label: c'cube-vertices'}
|
||||
unsafe {vmemset(&vert_buffer_desc, 0, int(sizeof(vert_buffer_desc)))}
|
||||
mut vert_buffer_desc := gfx.BufferDesc{
|
||||
label: c'cube-vertices'
|
||||
}
|
||||
unsafe { vmemset(&vert_buffer_desc, 0, int(sizeof(vert_buffer_desc))) }
|
||||
vert_buffer_desc.size = usize(vertices.len * int(sizeof(Vertex_t)))
|
||||
vert_buffer_desc.data = gfx.Range{
|
||||
ptr: vertices.data
|
||||
size: usize(vertices.len * int(sizeof(Vertex_t)))
|
||||
}
|
||||
vert_buffer_desc.@type = .vertexbuffer
|
||||
vert_buffer_desc.@type = .vertexbuffer
|
||||
vbuf := gfx.make_buffer(&vert_buffer_desc)
|
||||
|
||||
/* create an instance buffer for the cube */
|
||||
mut inst_buffer_desc := gfx.BufferDesc{label: c'instance-data'}
|
||||
unsafe {vmemset(&inst_buffer_desc, 0, int(sizeof(inst_buffer_desc)))}
|
||||
// create an instance buffer for the cube
|
||||
mut inst_buffer_desc := gfx.BufferDesc{
|
||||
label: c'instance-data'
|
||||
}
|
||||
unsafe { vmemset(&inst_buffer_desc, 0, int(sizeof(inst_buffer_desc))) }
|
||||
|
||||
inst_buffer_desc.size = usize(num_inst * int(sizeof(m4.Vec4)))
|
||||
inst_buffer_desc.@type = .vertexbuffer
|
||||
inst_buffer_desc.usage = .stream
|
||||
inst_buffer_desc.@type = .vertexbuffer
|
||||
inst_buffer_desc.usage = .stream
|
||||
inst_buf := gfx.make_buffer(&inst_buffer_desc)
|
||||
|
||||
|
||||
/* create an index buffer for the cube */
|
||||
// create an index buffer for the cube
|
||||
// vfmt off
|
||||
indices := [
|
||||
u16(0), 1, 2, 0, 2, 3,
|
||||
6, 5, 4, 7, 6, 4,
|
||||
8, 9, 10, 8, 10, 11,
|
||||
14, 13, 12, 15, 14, 12,
|
||||
16, 17, 18, 16, 18, 19,
|
||||
22, 21, 20, 23, 22, 20
|
||||
u16(0), 1, 2, 0, 2, 3,
|
||||
6, 5, 4, 7, 6, 4,
|
||||
8, 9, 10, 8, 10, 11,
|
||||
14, 13, 12, 15, 14, 12,
|
||||
16, 17, 18, 16, 18, 19,
|
||||
22, 21, 20, 23, 22, 20,
|
||||
]
|
||||
// vfmt on
|
||||
|
||||
mut index_buffer_desc := gfx.BufferDesc{label: c'cube-indices'}
|
||||
unsafe {vmemset(&index_buffer_desc, 0, int(sizeof(index_buffer_desc)))}
|
||||
index_buffer_desc.size = usize(indices.len * int(sizeof(u16)))
|
||||
mut index_buffer_desc := gfx.BufferDesc{
|
||||
label: c'cube-indices'
|
||||
}
|
||||
unsafe { vmemset(&index_buffer_desc, 0, int(sizeof(index_buffer_desc))) }
|
||||
index_buffer_desc.size = usize(indices.len * int(sizeof(u16)))
|
||||
index_buffer_desc.data = gfx.Range{
|
||||
ptr: indices.data
|
||||
size: usize(indices.len * int(sizeof(u16)))
|
||||
}
|
||||
index_buffer_desc.@type = .indexbuffer
|
||||
index_buffer_desc.@type = .indexbuffer
|
||||
ibuf := gfx.make_buffer(&index_buffer_desc)
|
||||
|
||||
/* create shader */
|
||||
// create shader
|
||||
shader := gfx.make_shader(C.instancing_shader_desc(C.sg_query_backend()))
|
||||
|
||||
mut pipdesc := gfx.PipelineDesc{}
|
||||
unsafe {vmemset(&pipdesc, 0, int(sizeof(pipdesc)))}
|
||||
unsafe { vmemset(&pipdesc, 0, int(sizeof(pipdesc))) }
|
||||
pipdesc.layout.buffers[0].stride = int(sizeof(Vertex_t))
|
||||
|
||||
// vfmt off
|
||||
// the constants [C.ATTR_vs_m_pos, C.ATTR_vs_m_color0, C.ATTR_vs_m_texcoord0] are generated by sokol-shdc
|
||||
pipdesc.layout.attrs[C.ATTR_vs_i_pos ].format = .float3 // x,y,z as f32
|
||||
pipdesc.layout.attrs[C.ATTR_vs_i_pos ].buffer_index = 0
|
||||
@ -233,6 +239,7 @@ fn init_cube_glsl_i(mut app App) {
|
||||
pipdesc.layout.buffers[1].step_func = .per_instance // we will pass a single parameter for each instance!!
|
||||
pipdesc.layout.attrs[C.ATTR_vs_i_inst_pos ].format = .float4
|
||||
pipdesc.layout.attrs[C.ATTR_vs_i_inst_pos ].buffer_index = 1
|
||||
// vfmt on
|
||||
|
||||
pipdesc.shader = shader
|
||||
pipdesc.index_type = .uint16
|
||||
@ -243,44 +250,46 @@ fn init_cube_glsl_i(mut app App) {
|
||||
}
|
||||
pipdesc.cull_mode = .back
|
||||
|
||||
pipdesc.label = "glsl_shader pipeline".str
|
||||
pipdesc.label = 'glsl_shader pipeline'.str
|
||||
|
||||
mut bind := gfx.Bindings{}
|
||||
unsafe {vmemset(&bind, 0, int(sizeof(bind)))}
|
||||
bind.vertex_buffers[0] = vbuf // vertex buffer
|
||||
bind.vertex_buffers[1] = inst_buf // instance buffer
|
||||
bind.index_buffer = ibuf
|
||||
unsafe { vmemset(&bind, 0, int(sizeof(bind))) }
|
||||
bind.vertex_buffers[0] = vbuf // vertex buffer
|
||||
bind.vertex_buffers[1] = inst_buf // instance buffer
|
||||
bind.index_buffer = ibuf
|
||||
bind.fs_images[C.SLOT_tex] = app.texture
|
||||
app.bind['inst'] = bind
|
||||
app.pipe['inst'] = gfx.make_pipeline(&pipdesc)
|
||||
|
||||
println("GLSL March init DONE!")
|
||||
println('GLSL March init DONE!')
|
||||
}
|
||||
|
||||
fn calc_tr_matrices(w f32, h f32, rx f32, ry f32, in_scale f32) m4.Mat4{
|
||||
fn calc_tr_matrices(w f32, h f32, rx f32, ry f32, in_scale f32) m4.Mat4 {
|
||||
// vfmt off
|
||||
proj := m4.perspective(60, w/h, 0.01, 4000.0)
|
||||
view := m4.look_at(m4.Vec4{e:[f32(0.0),100,6,0]!}, m4.Vec4{e:[f32(0),0,0,0]!}, m4.Vec4{e:[f32(0),1.0,0,0]!})
|
||||
view_proj := view * proj
|
||||
|
||||
rxm := m4.rotate(m4.rad(rx), m4.Vec4{e:[f32(1),0,0,0]!})
|
||||
rym := m4.rotate(m4.rad(ry), m4.Vec4{e:[f32(0),1,0,0]!})
|
||||
// vfmt on
|
||||
|
||||
model := rym * rxm
|
||||
scale_m := m4.scale(m4.Vec4{e:[in_scale, in_scale, in_scale, 1]!})
|
||||
model := rym * rxm
|
||||
scale_m := m4.scale(m4.Vec4{ e: [in_scale, in_scale, in_scale, 1]! })
|
||||
|
||||
res := (scale_m * model)* view_proj
|
||||
res := (scale_m * model) * view_proj
|
||||
return res
|
||||
}
|
||||
|
||||
// triangles draw
|
||||
fn draw_cube_glsl_i(mut app App){
|
||||
fn draw_cube_glsl_i(mut app App) {
|
||||
if app.init_flag == false {
|
||||
return
|
||||
}
|
||||
|
||||
ws := gg.window_size_real_pixels()
|
||||
//ratio := f32(ws.width) / ws.height
|
||||
dw := f32(ws.width / 2)
|
||||
// ratio := f32(ws.width) / ws.height
|
||||
dw := f32(ws.width / 2)
|
||||
dh := f32(ws.height / 2)
|
||||
|
||||
rot := [f32(app.mouse_y), f32(app.mouse_x)]
|
||||
@ -296,25 +305,27 @@ fn draw_cube_glsl_i(mut app App){
|
||||
time_ticks := f32(time.ticks() - app.ticks) / 1000
|
||||
cube_size := 2
|
||||
sz := 128 // field size dimension
|
||||
cx := 64 // x center for the cubes
|
||||
cz := 64 // z center for the cubes
|
||||
//frame := (app.frame_count/4) % 100
|
||||
for index in 0..num_inst {
|
||||
cx := 64 // x center for the cubes
|
||||
cz := 64 // z center for the cubes
|
||||
// frame := (app.frame_count/4) % 100
|
||||
for index in 0 .. num_inst {
|
||||
x := f32(index % sz)
|
||||
z := f32(index / sz)
|
||||
// simply waves
|
||||
y := f32(math.cos((x+time_ticks)/2.0)*math.sin(z/2.0))*2
|
||||
y := f32(math.cos((x + time_ticks) / 2.0) * math.sin(z / 2.0)) * 2
|
||||
// sombrero function
|
||||
//r := ((x-cx)*(x-cx)+(z-cz)*(z-cz))/(sz/2)
|
||||
//y := f32(math.sin(r+time_ticks)*4.0)
|
||||
// r := ((x-cx)*(x-cx)+(z-cz)*(z-cz))/(sz/2)
|
||||
// y := f32(math.sin(r+time_ticks)*4.0)
|
||||
spare_param := f32(index % 10)
|
||||
// vfmt off
|
||||
app.inst_pos[index] = m4.Vec4{e:[f32((x - cx - app.camera_x) * cube_size),y ,f32( (z - cz - app.camera_z) * cube_size),spare_param]!}
|
||||
// vfmt on
|
||||
}
|
||||
range := gfx.Range{
|
||||
ptr: unsafe { &app.inst_pos }
|
||||
size: usize(num_inst * int(sizeof(m4.Vec4)))
|
||||
}
|
||||
gfx.update_buffer(app.bind['inst'].vertex_buffers[1], &range )
|
||||
gfx.update_buffer(app.bind['inst'].vertex_buffers[1], &range)
|
||||
|
||||
// Uniforms
|
||||
// *** vertex shadeer uniforms ***
|
||||
@ -326,43 +337,44 @@ fn draw_cube_glsl_i(mut app App){
|
||||
}
|
||||
gfx.apply_uniforms(.vs, C.SLOT_vs_params_i, &vs_uniforms_range)
|
||||
|
||||
/*
|
||||
/*
|
||||
// *** fragment shader uniforms ***
|
||||
time_ticks := f32(time.ticks() - app.ticks) / 1000
|
||||
// vfmt off
|
||||
mut tmp_fs_params := [
|
||||
f32(ws.width), ws.height * ratio, // x,y resolution to pass to FS
|
||||
0,0, // dont send mouse position
|
||||
0,0, // dont send mouse position
|
||||
//app.mouse_x, // mouse x
|
||||
//ws.height - app.mouse_y*2, // mouse y scaled
|
||||
time_ticks, // time as f32
|
||||
app.frame_count, // frame count
|
||||
0,0 // padding bytes , see "fs_params" struct paddings in rt_glsl.h
|
||||
time_ticks, // time as f32
|
||||
app.frame_count, // frame count
|
||||
0,0 // padding bytes , see "fs_params" struct paddings in rt_glsl.h
|
||||
]!
|
||||
// vfmt on
|
||||
fs_uniforms_range := gfx.Range{
|
||||
ptr: unsafe { &tmp_fs_params }
|
||||
size: usize(sizeof(tmp_fs_params))
|
||||
}
|
||||
gfx.apply_uniforms(.fs, C.SLOT_fs_params, &fs_uniforms_range)
|
||||
*/
|
||||
*/
|
||||
// 3 vertices for triangle * 2 triangles per face * 6 faces = 36 vertices to draw for num_inst times
|
||||
gfx.draw(0, (3 * 2) * 6, num_inst)
|
||||
}
|
||||
|
||||
|
||||
fn draw_start_glsl(app App){
|
||||
fn draw_start_glsl(app App) {
|
||||
if app.init_flag == false {
|
||||
return
|
||||
}
|
||||
|
||||
ws := gg.window_size_real_pixels()
|
||||
//ratio := f32(ws.width) / ws.height
|
||||
//dw := f32(ws.width / 2)
|
||||
//dh := f32(ws.height / 2)
|
||||
// ratio := f32(ws.width) / ws.height
|
||||
// dw := f32(ws.width / 2)
|
||||
// dh := f32(ws.height / 2)
|
||||
|
||||
gfx.apply_viewport(0, 0, ws.width, ws.height, true)
|
||||
}
|
||||
|
||||
fn draw_end_glsl(app App){
|
||||
fn draw_end_glsl(app App) {
|
||||
gfx.end_pass()
|
||||
gfx.commit()
|
||||
}
|
||||
@ -385,7 +397,7 @@ fn frame(mut app App) {
|
||||
gfx.begin_default_pass(&pass_action, ws.width, ws.height)
|
||||
|
||||
draw_start_glsl(app)
|
||||
draw_cube_glsl_i(mut app)
|
||||
draw_cube_glsl_i(mut app)
|
||||
draw_end_glsl(app)
|
||||
app.frame_count++
|
||||
}
|
||||
@ -419,9 +431,9 @@ fn my_init(mut app App) {
|
||||
tmp_txt[i + 3] = u8(0xFF)
|
||||
} else {
|
||||
col := if ((x + y) & 1) == 1 { 0xFF } else { 128 }
|
||||
tmp_txt[i + 0] = u8(col) // red
|
||||
tmp_txt[i + 1] = u8(col) // green
|
||||
tmp_txt[i + 2] = u8(col) // blue
|
||||
tmp_txt[i + 0] = u8(col) // red
|
||||
tmp_txt[i + 1] = u8(col) // green
|
||||
tmp_txt[i + 2] = u8(col) // blue
|
||||
tmp_txt[i + 3] = u8(0xFF) // alpha
|
||||
}
|
||||
i += 4
|
||||
@ -431,7 +443,6 @@ fn my_init(mut app App) {
|
||||
app.texture = create_texture(w, h, tmp_txt)
|
||||
free(tmp_txt)
|
||||
}
|
||||
|
||||
// glsl
|
||||
init_cube_glsl_i(mut app)
|
||||
app.init_flag = true
|
||||
@ -441,10 +452,10 @@ fn my_init(mut app App) {
|
||||
* events handling
|
||||
******************************************************************************/
|
||||
fn my_event_manager(mut ev gg.Event, mut app App) {
|
||||
if ev.typ == .mouse_down{
|
||||
if ev.typ == .mouse_down {
|
||||
app.mouse_down = true
|
||||
}
|
||||
if ev.typ == .mouse_up{
|
||||
if ev.typ == .mouse_up {
|
||||
app.mouse_down = false
|
||||
}
|
||||
if app.mouse_down == true && ev.typ == .mouse_move {
|
||||
@ -467,7 +478,7 @@ fn my_event_manager(mut ev gg.Event, mut app App) {
|
||||
.s { app.camera_z -= step }
|
||||
.a { app.camera_x -= step }
|
||||
.d { app.camera_x += step }
|
||||
else{}
|
||||
else {}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -475,12 +486,13 @@ fn my_event_manager(mut ev gg.Event, mut app App) {
|
||||
/******************************************************************************
|
||||
* Main
|
||||
******************************************************************************/
|
||||
fn main(){
|
||||
fn main() {
|
||||
// App init
|
||||
mut app := &App{
|
||||
gg: 0
|
||||
}
|
||||
|
||||
// vfmt off
|
||||
app.gg = gg.new_context(
|
||||
width: win_width
|
||||
height: win_height
|
||||
@ -492,6 +504,7 @@ fn main(){
|
||||
init_fn: my_init
|
||||
event_fn: my_event_manager
|
||||
)
|
||||
// vfmt on
|
||||
|
||||
app.ticks = time.ticks()
|
||||
app.gg.run()
|
||||
|
||||
Reference in New Issue
Block a user