X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=src%2Fvg%2Fvg_lines.h;h=82f1814add1126f90df1dc98abfc3967f6be4515;hb=367883958336d1c04c8a304af6119b21f0f2f15a;hp=e14d3381d3e4bf65942601afcb79a53ee052bb45;hpb=deb49cc59884e298467c497d46518243ddb5a209;p=vg.git diff --git a/src/vg/vg_lines.h b/src/vg/vg_lines.h index e14d338..82f1814 100644 --- a/src/vg/vg_lines.h +++ b/src/vg/vg_lines.h @@ -1,5 +1,10 @@ /* Copyright (C) 2021-2022 Harry Godden (hgn) - All Rights Reserved */ +#ifndef VG_LINES_H +#define VG_LINES_H + +#include "vg/vg.h" + static int debug_lines_enable = 1; #ifdef VG_3D @@ -76,6 +81,8 @@ vg_lines; static void vg_lines_init(void) { + vg_info( "vg_lines_init\n" ); + vg_convar_push( (struct vg_convar){ .name = "debug_lines", .data = &debug_lines_enable, @@ -85,47 +92,58 @@ static void vg_lines_init(void) }); vg_shader_register( &_shader_lines ); - - glGenVertexArrays( 1, &vg_lines.vao ); - glGenBuffers( 1, &vg_lines.vbo ); - glBindVertexArray( vg_lines.vao ); - - glBindBuffer( GL_ARRAY_BUFFER, vg_lines.vbo ); - - vg_lines.cap = 50000; - vg_lines.buffer_size = vg_lines.cap * sizeof( struct vg_lines_vert ); - - glBufferData( GL_ARRAY_BUFFER, vg_lines.buffer_size, NULL, GL_DYNAMIC_DRAW ); - glBindVertexArray( vg_lines.vao ); - - glVertexAttribPointer( - 0, - sizeof( vg_lines.buffer[0].co ) / sizeof(float), - GL_FLOAT, - GL_FALSE, - sizeof( struct vg_lines_vert ), - (void *)0 - ); - glEnableVertexAttribArray( 0 ); - - glVertexAttribPointer( - 1, - 4, - GL_UNSIGNED_BYTE, - GL_TRUE, - sizeof( struct vg_lines_vert ), - (void*)(offsetof( struct vg_lines_vert, colour )) - ); - glEnableVertexAttribArray( 1 ); - vg_lines.buffer = malloc( vg_lines.buffer_size ); + + vg_acquire_thread_sync(); + { + glGenVertexArrays( 1, &vg_lines.vao ); + glGenBuffers( 1, &vg_lines.vbo ); + glBindVertexArray( vg_lines.vao ); + glBindBuffer( GL_ARRAY_BUFFER, vg_lines.vbo ); + + vg_lines.cap = 50000; + vg_lines.buffer_size = vg_lines.cap * sizeof( struct vg_lines_vert ); + + glBufferData( GL_ARRAY_BUFFER, vg_lines.buffer_size, + NULL, GL_DYNAMIC_DRAW ); + glBindVertexArray( vg_lines.vao ); + VG_CHECK_GL_ERR(); + + /* Pointers */ + glVertexAttribPointer( + 0, + sizeof( vg_lines.buffer[0].co ) / sizeof(float), + GL_FLOAT, + GL_FALSE, + sizeof( struct vg_lines_vert ), + (void *)0 + ); + glEnableVertexAttribArray( 0 ); + + glVertexAttribPointer( + 1, + 4, + GL_UNSIGNED_BYTE, + GL_TRUE, + sizeof( struct vg_lines_vert ), + (void*)(offsetof( struct vg_lines_vert, colour )) + ); + glEnableVertexAttribArray( 1 ); + + VG_CHECK_GL_ERR(); + + /* Alloc RAM */ + vg_lines.buffer = vg_alloc( vg_lines.buffer_size ); + vg_success( "done\n" ); + } + + vg_release_thread_sync(); } -static void vg_lines_free(void) +static void vg_lines_free(void *nothing) { glDeleteVertexArrays( 1, &vg_lines.vao ); glDeleteBuffers( 1, &vg_lines.vbo ); - - free( vg_lines.buffer ); + vg_free( vg_lines.buffer ); } static void vg_lines_drawall( float* projection ) @@ -263,6 +281,20 @@ static void vg_line_boxf_transformed( m4x3f m, boxf box, u32 colour ) vg_line( p100, p010, colour ); } +static void vg_line_cross(v3f pos,u32 colour, float scale) +{ + v3f p0, p1; + v3_add( (v3f){ scale,0.0f,0.0f}, pos, p0 ); + v3_add( (v3f){-scale,0.0f,0.0f}, pos, p1 ); + vg_line( p0, p1, colour ); + v3_add( (v3f){0.0f, scale,0.0f}, pos, p0 ); + v3_add( (v3f){0.0f,-scale,0.0f}, pos, p1 ); + vg_line( p0, p1, colour ); + v3_add( (v3f){0.0f,0.0f, scale}, pos, p0 ); + v3_add( (v3f){0.0f,0.0f,-scale}, pos, p1 ); + vg_line( p0, p1, colour ); +} + static void vg_line_pt3( v3f pt, float size, u32 colour ) { boxf box = @@ -273,3 +305,5 @@ static void vg_line_pt3( v3f pt, float size, u32 colour ) vg_line_boxf( box, colour ); } + +#endif /* VG_LINES_H */