Map renderer depth state to OpenGL

src/renderer_gl/opengl_capabilities.cpp

@@ -733,6 +733,17 @@ OpenGlEnumMapping compare_function_for_renderer_compare_op(pp::renderer::Compare
     }
 }
 
+OpenGlDepthState depth_state_for_renderer_depth_state(pp::renderer::DepthState state) noexcept
+{
+    const auto compare_function = compare_function_for_renderer_compare_op(state.compare);
+    return OpenGlDepthState {
+        .test_enabled = state.test_enabled ? gl_boolean_true : gl_boolean_false,
+        .write_enabled = state.write_enabled ? gl_boolean_true : gl_boolean_false,
+        .compare_function = compare_function.value,
+        .supported = compare_function.supported,
+    };
+}
+
 std::uint32_t scissor_test_state() noexcept
 {
     return gl_scissor_test;

src/renderer_gl/opengl_capabilities.h

@@ -46,6 +46,13 @@ struct OpenGlColorWriteMask {
     std::uint8_t a = 0;
 };
 
+struct OpenGlDepthState {
+    std::uint8_t test_enabled = 0;
+    std::uint8_t write_enabled = 0;
+    std::uint32_t compare_function = 0;
+    bool supported = false;
+};
+
 struct OpenGlReadbackFormat {
     std::uint32_t pixel_format = 0;
     std::uint32_t component_type = 0;
@@ -149,6 +156,8 @@ struct OpenGlWindowsWglContextConfig {
 [[nodiscard]] std::uint32_t depth_test_state() noexcept;
 [[nodiscard]] OpenGlEnumMapping compare_function_for_renderer_compare_op(
     pp::renderer::CompareOp op) noexcept;
+[[nodiscard]] OpenGlDepthState depth_state_for_renderer_depth_state(
+    pp::renderer::DepthState state) noexcept;
 [[nodiscard]] std::uint32_t scissor_test_state() noexcept;
 [[nodiscard]] std::uint32_t program_point_size_state() noexcept;
 [[nodiscard]] std::uint32_t line_smooth_state() noexcept;