Move app command state mapping to renderer gl

src/app_commands.cpp

@@ -1,16 +1,46 @@
 #include "pch.h"
 #include "app.h"
 #include "canvas.h"
+#include "renderer_gl/opengl_capabilities.h"
+
+namespace {
+
+[[nodiscard]] GLenum depth_test_state() noexcept
+{
+    return static_cast<GLenum>(pp::renderer::gl::depth_test_state());
+}
+
+[[nodiscard]] GLenum program_point_size_state() noexcept
+{
+    return static_cast<GLenum>(pp::renderer::gl::program_point_size_state());
+}
+
+[[nodiscard]] GLenum source_alpha_blend_factor() noexcept
+{
+    return static_cast<GLenum>(pp::renderer::gl::source_alpha_blend_factor());
+}
+
+[[nodiscard]] GLenum one_minus_source_alpha_blend_factor() noexcept
+{
+    return static_cast<GLenum>(pp::renderer::gl::one_minus_source_alpha_blend_factor());
+}
+
+[[nodiscard]] GLenum add_blend_equation() noexcept
+{
+    return static_cast<GLenum>(pp::renderer::gl::add_blend_equation());
+}
+
+}
 
 void App::cmd_convert(std::string pano_path, std::string out_path)
 {
-    glDisable(GL_DEPTH_TEST);
-    glEnable(GL_PROGRAM_POINT_SIZE);
-    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-    glBlendEquation(GL_FUNC_ADD);
+    glDisable(depth_test_state());
+    glEnable(program_point_size_state());
+    glBlendFunc(source_alpha_blend_factor(), one_minus_source_alpha_blend_factor());
+    glBlendEquation(add_blend_equation());
 
-    Canvas* canvas = new Canvas;
-    canvas->create(CANVAS_RES, CANVAS_RES);
-    canvas->project_open_thread(pano_path);
-    canvas->export_equirectangular_thread(out_path);
+    Canvas* command_canvas = new Canvas;
+    command_canvas->create(CANVAS_RES, CANVAS_RES);
+    command_canvas->project_open_thread(pano_path);
+    command_canvas->export_equirectangular_thread(out_path);
 }