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Add some font test comments

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This commit is contained in:
rexy712 2022-01-18 15:28:26 -08:00
parent da9b871626
commit a8082b6885
1 changed files with 24 additions and 7 deletions
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31
src/ttt/screen_renderer.cpp
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@ -20,24 +20,41 @@
#include "graphics/shader.hpp"
#include "ttt/screen_shader.hpp"
#include "util/deferred.hpp"
#include <tuple>
#include <utility> //piecewise_construct
#include "engine/font.hpp"
screen_renderer::screen_renderer(gfx::resource_manager& res, int width, int height, gfx::texture& base_tex):
m_vbo(s_vertices, sizeof(s_vertices), gfx::vbo::usage::STATIC_DRAW),
m_texture(&base_tex),
m_screen_width(width), m_screen_height(height)
{
if(res.has_shader("screen_shader")){
m_screen_shader = res.get_shader("screen_shader");
}else{
m_screen_shader = res.emplace_shader("screen_shader", gfx::shader(screen_shader::vertex_shader_text, gfx::shader::type::VERTEX),
gfx::shader(screen_shader::fragment_shader_text, gfx::shader::type::FRAGMENT)).first;
}
m_screen_shader = res.emplace_shader("screen_shader", util::make_deferred<gfx::shader>(screen_shader::vertex_shader_text, gfx::shader::type::VERTEX),
util::make_deferred<gfx::shader>(screen_shader::fragment_shader_text, gfx::shader::type::FRAGMENT)).first;
/* TODO TEMP
egn::font_generator f("assets/Butler_Regular.otf");
auto font = f.generate_atlas('A', 26, 0, 1024);
m_texture = res.emplace_texture("font_atlas_test", font.release_atlas()).first;//util::deferred_function(fn, 256)).first;
m_texture->set_filter(gfx::texture::minfilter::NEAREST, gfx::texture::magfilter::NEAREST);
for(size_t i = 0;i < 4;++i){
auto& coords = font['A'].texture_coords[i];
debug_print_warn("(%f, %f)\n", coords.x(), coords.y());
}
m_vbo.buffer(font['Z'].texture_coords[1], sizeof(GLfloat) * 2, offsetof(vertex, tex_coord) + (sizeof(vertex) * 0));
m_vbo.buffer(font['Z'].texture_coords[0], sizeof(GLfloat) * 2, offsetof(vertex, tex_coord) + (sizeof(vertex) * 1));
m_vbo.buffer(font['Z'].texture_coords[2], sizeof(GLfloat) * 2, offsetof(vertex, tex_coord) + (sizeof(vertex) * 2));
m_vbo.buffer(font['Z'].texture_coords[2], sizeof(GLfloat) * 2, offsetof(vertex, tex_coord) + (sizeof(vertex) * 3));
m_vbo.buffer(font['Z'].texture_coords[3], sizeof(GLfloat) * 2, offsetof(vertex, tex_coord) + (sizeof(vertex) * 4));
m_vbo.buffer(font['Z'].texture_coords[1], sizeof(GLfloat) * 2, offsetof(vertex, tex_coord) + (sizeof(vertex) * 5));
*/
//attach a vbo to the vao and assign attribute specs
m_vao.bind_buffer(m_vbo, 0, 0, sizeof(vertex));
auto attrib = m_vao.get_attribute(0);
m_vao.bind_buffer(m_vbo, 0, 0, sizeof(vertex));
attrib.set_float_array(2, 0);
attrib.associate_with(0);
attrib.enable();