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Route app viewport scissor through renderer GL

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This commit is contained in:
omigamedev
2026-06-03 05:56:57 +02:00
parent 2a030318b1
commit 155e67fcec
6 changed files with 305 additions and 14 deletions
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45
src/renderer_gl/opengl_capabilities.cpp
View File

@@ -281,6 +281,51 @@ pp::foundation::Status clear_panopainter_default_target(OpenGlClearDispatch disp
return pp::foundation::Status::success();
}
pp::foundation::Status apply_opengl_viewport(
OpenGlViewportRect viewport,
OpenGlViewportDispatch dispatch) noexcept
{
if (dispatch.viewport == nullptr) {
return pp::foundation::Status::invalid_argument("OpenGL viewport dispatch callback must not be null");
}
dispatch.viewport(viewport.x, viewport.y, viewport.width, viewport.height);
return pp::foundation::Status::success();
}
pp::foundation::Status apply_opengl_scissor_rect(
OpenGlScissorRect scissor,
OpenGlScissorDispatch dispatch) noexcept
{
if (dispatch.enable == nullptr || dispatch.disable == nullptr || dispatch.scissor == nullptr) {
return pp::foundation::Status::invalid_argument("OpenGL scissor dispatch callbacks must not be null");
}
if (scissor.enabled != 0U) {
dispatch.enable(scissor_test_state());
dispatch.scissor(scissor.x, scissor.y, scissor.width, scissor.height);
} else {
dispatch.disable(scissor_test_state());
}
return pp::foundation::Status::success();
}
pp::foundation::Status apply_opengl_scissor_test(
bool enabled,
OpenGlScissorTestDispatch dispatch) noexcept
{
if (dispatch.enable == nullptr || dispatch.disable == nullptr) {
return pp::foundation::Status::invalid_argument("OpenGL scissor test dispatch callbacks must not be null");
}
if (enabled) {
dispatch.enable(scissor_test_state());
} else {
dispatch.disable(scissor_test_state());
}
return pp::foundation::Status::success();
}
std::uint32_t extension_count_query() noexcept
{
return gl_num_extensions;

26
src/renderer_gl/opengl_capabilities.h
View File

@@ -155,12 +155,29 @@ struct OpenGlDefaultClear {
using OpenGlClearColorFn = void (*)(float r, float g, float b, float a) noexcept;
using OpenGlClearFn = void (*)(std::uint32_t mask) noexcept;
using OpenGlViewportFn = void (*)(std::int32_t x, std::int32_t y, std::int32_t width, std::int32_t height) noexcept;
using OpenGlScissorFn = void (*)(std::int32_t x, std::int32_t y, std::int32_t width, std::int32_t height) noexcept;
struct OpenGlClearDispatch {
OpenGlClearColorFn clear_color = nullptr;
OpenGlClearFn clear = nullptr;
};
struct OpenGlViewportDispatch {
OpenGlViewportFn viewport = nullptr;
};
struct OpenGlScissorDispatch {
OpenGlCapabilityFn enable = nullptr;
OpenGlCapabilityFn disable = nullptr;
OpenGlScissorFn scissor = nullptr;
};
struct OpenGlScissorTestDispatch {
OpenGlCapabilityFn enable = nullptr;
OpenGlCapabilityFn disable = nullptr;
};
[[nodiscard]] OpenGlCapabilities detect_opengl_capabilities(
std::span<const std::string_view> extensions,
OpenGlRuntime runtime) noexcept;
@@ -172,6 +189,15 @@ struct OpenGlClearDispatch {
OpenGlRuntimeInfoDispatch dispatch) noexcept;
[[nodiscard]] OpenGlDefaultClear panopainter_default_clear() noexcept;
[[nodiscard]] pp::foundation::Status clear_panopainter_default_target(OpenGlClearDispatch dispatch) noexcept;
[[nodiscard]] pp::foundation::Status apply_opengl_viewport(
OpenGlViewportRect viewport,
OpenGlViewportDispatch dispatch) noexcept;
[[nodiscard]] pp::foundation::Status apply_opengl_scissor_rect(
OpenGlScissorRect scissor,
OpenGlScissorDispatch dispatch) noexcept;
[[nodiscard]] pp::foundation::Status apply_opengl_scissor_test(
bool enabled,
OpenGlScissorTestDispatch dispatch) noexcept;
[[nodiscard]] std::uint32_t extension_count_query() noexcept;
[[nodiscard]] std::uint32_t extension_string_name() noexcept;