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Apply startup GL state through renderer GL

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This commit is contained in:
omigamedev
2026-06-03 05:41:27 +02:00
parent 692fe08d9f
commit b2335b1656
7 changed files with 159 additions and 19 deletions
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21
src/renderer_gl/opengl_capabilities.cpp
View File

@@ -224,6 +224,27 @@ OpenGlInitialState panopainter_initial_state() noexcept
};
}
pp::foundation::Status apply_panopainter_initial_state(OpenGlStateDispatch dispatch) noexcept
{
if (dispatch.enable == nullptr
|| dispatch.disable == nullptr
|| dispatch.blend_func == nullptr
|| dispatch.blend_equation_separate == nullptr)
{
return pp::foundation::Status::invalid_argument("OpenGL state dispatch callbacks must not be null");
}
const auto state = panopainter_initial_state();
if (state.depth_test_enabled)
dispatch.enable(state.depth_test_state);
else
dispatch.disable(state.depth_test_state);
dispatch.blend_func(state.source_color_factor, state.destination_color_factor);
dispatch.blend_equation_separate(state.color_equation, state.alpha_equation);
return pp::foundation::Status::success();
}
std::uint32_t extension_count_query() noexcept
{
return gl_num_extensions;

12
src/renderer_gl/opengl_capabilities.h
View File

@@ -124,12 +124,24 @@ struct OpenGlInitialState {
std::uint32_t alpha_equation = 0;
};
using OpenGlCapabilityFn = void (*)(std::uint32_t state) noexcept;
using OpenGlBlendFuncFn = void (*)(std::uint32_t source_factor, std::uint32_t destination_factor) noexcept;
using OpenGlBlendEquationSeparateFn = void (*)(std::uint32_t color_equation, std::uint32_t alpha_equation) noexcept;
struct OpenGlStateDispatch {
OpenGlCapabilityFn enable = nullptr;
OpenGlCapabilityFn disable = nullptr;
OpenGlBlendFuncFn blend_func = nullptr;
OpenGlBlendEquationSeparateFn blend_equation_separate = nullptr;
};
[[nodiscard]] OpenGlCapabilities detect_opengl_capabilities(
std::span<const std::string_view> extensions,
OpenGlRuntime runtime) noexcept;
[[nodiscard]] pp::renderer::RenderDeviceFeatures render_device_features(
OpenGlCapabilities capabilities) noexcept;
[[nodiscard]] OpenGlInitialState panopainter_initial_state() noexcept;
[[nodiscard]] pp::foundation::Status apply_panopainter_initial_state(OpenGlStateDispatch dispatch) noexcept;
[[nodiscard]] std::uint32_t extension_count_query() noexcept;
[[nodiscard]] std::uint32_t extension_string_name() noexcept;