Map render pass clear values to OpenGL

src/renderer_gl/opengl_capabilities.cpp

@@ -492,6 +492,20 @@ std::uint32_t clear_mask_for_render_pass(pp::renderer::RenderPassDesc desc) noex
     return mask;
 }
 
+OpenGlClearValues clear_values_for_render_pass(pp::renderer::RenderPassDesc desc) noexcept
+{
+    return OpenGlClearValues {
+        .color = {
+            desc.clear_color.r,
+            desc.clear_color.g,
+            desc.clear_color.b,
+            desc.clear_color.a,
+        },
+        .depth = desc.clear_depth,
+        .stencil = desc.clear_stencil,
+    };
+}
+
 std::uint32_t color_write_mask_query() noexcept
 {
     return gl_color_writemask;

src/renderer_gl/opengl_capabilities.h

@@ -72,6 +72,12 @@ struct OpenGlColorWriteMask {
     std::uint8_t a = 0;
 };
 
+struct OpenGlClearValues {
+    std::array<float, 4> color {};
+    float depth = 1.0F;
+    std::uint8_t stencil = 0;
+};
+
 struct OpenGlBlendState {
     std::uint8_t enabled = 0;
     std::uint32_t source_color_factor = 0;
@@ -153,6 +159,8 @@ struct OpenGlWindowsWglContextConfig {
 [[nodiscard]] std::uint32_t framebuffer_stencil_buffer_mask() noexcept;
 [[nodiscard]] std::uint32_t clear_mask_for_render_pass(
     pp::renderer::RenderPassDesc desc) noexcept;
+[[nodiscard]] OpenGlClearValues clear_values_for_render_pass(
+    pp::renderer::RenderPassDesc desc) noexcept;
 [[nodiscard]] std::uint32_t color_write_mask_query() noexcept;
 [[nodiscard]] std::uint32_t framebuffer_blit_filter(bool linear) noexcept;
 [[nodiscard]] OpenGlEnumMapping blit_filter_for_renderer_filter(