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GL 1.x style API

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Signed-off-by: Slendi <slendi@socopon.com>
This commit is contained in:
Slendi
2025-12-16 00:38:00 +02:00
parent 608dc583be
commit 59999f211d
4 changed files with 774 additions and 136 deletions
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57
src/Application.cpp
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@@ -23,6 +23,8 @@
#include <libudev.h>
#include <linux/input-event-codes.h>
#include <smath.hpp>
#include "Util.h"
#include "VulkanRenderer.h"
@@ -308,7 +310,60 @@ auto Application::run() -> void
ImGui::Render();
m_renderer->render();
m_renderer->render([&](VulkanRenderer::GL &gl) {
auto view { smath::matrix_look_at(smath::Vec3 { 0.0f, 0.0f, 3.0f },
smath::Vec3 { 0.0f, 0.0f, 0.0f },
smath::Vec3 { 0.0f, 1.0f, 0.0f }, false) };
auto const draw_extent = m_renderer->draw_extent();
auto const aspect = draw_extent.height == 0
? 1.0f
: static_cast<float>(draw_extent.width)
/ static_cast<float>(draw_extent.height);
auto projection { smath::matrix_perspective(
smath::deg(70.0f), aspect, 0.1f, 10000.0f) };
projection[1][1] *= -1;
auto view_projection { projection * view };
auto rect_model { smath::scale(
smath::translate(smath::Vec3 { 0.0f, 0.0f, -5.0f }),
smath::Vec3 { 5.0f, 5.0f, 1.0f }) };
gl.set_transform(view_projection * rect_model);
gl.set_texture();
auto const &meshes { m_renderer->test_meshes() };
if (meshes.size() > 2 && !meshes[2]->surfaces.empty()) {
auto const &surface = meshes[2]->surfaces[0];
gl.draw_mesh(meshes[2]->mesh_buffers, view_projection,
surface.count, surface.start_index);
}
gl.set_texture(&m_renderer->white_texture());
gl.begin(VulkanRenderer::GL::GeometryKind::Quads);
gl.color(smath::Vec3 { 0.0f, 0.0f, 0.0f });
gl.uv(smath::Vec2 { 1.0f, 1.0f });
gl.vert(smath::Vec3 { 0.5f, -0.5f, 0.0f });
gl.color(smath::Vec3 { 0.5f, 0.5f, 0.5f });
gl.uv(smath::Vec2 { 1.0f, 0.0f });
gl.vert(smath::Vec3 { 0.5f, 0.5f, 0.0f });
gl.color(smath::Vec3 { 1.0f, 0.0f, 0.0f });
gl.uv(smath::Vec2 { 0.0f, 1.0f });
gl.vert(smath::Vec3 { -0.5f, -0.5f, 0.0f });
gl.color(smath::Vec3 { 0.0f, 1.0f, 0.0f });
gl.uv(smath::Vec2 { 0.0f, 0.0f });
gl.vert(smath::Vec3 { -0.5f, 0.5f, 0.0f });
gl.end();
gl.draw_rectangle({ -0.5f, 0.5f }, { 0.5f, 0.5f });
gl.draw_rectangle(
{ 0, 0.5f }, { 0.5f, 0.5f }, { Colors::TEAL, 1.0f });
});
}
}