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Route VR and startup GL state through backend

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This commit is contained in:
omigamedev
2026-06-04 20:37:38 +02:00
parent 967a15f15f
commit f55b1882c0
7 changed files with 116 additions and 26 deletions
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27
src/app_vr.cpp
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@@ -29,6 +29,11 @@ void disable_opengl_state(std::uint32_t state) noexcept
glDisable(static_cast<GLenum>(state));
}
std::uint8_t is_opengl_state_enabled(std::uint32_t state) noexcept
{
return static_cast<std::uint8_t>(glIsEnabled(static_cast<GLenum>(state)));
}
void set_opengl_viewport(std::int32_t x, std::int32_t y, std::int32_t width, std::int32_t height) noexcept
{
glViewport(static_cast<GLint>(x), static_cast<GLint>(y), static_cast<GLsizei>(width), static_cast<GLsizei>(height));
@@ -75,6 +80,20 @@ void apply_vr_render_capability(std::uint32_t state, bool enabled)
LOG("OpenGL VR render state failed: %s", status.message);
}
bool query_vr_render_capability(std::uint32_t state)
{
const auto result = pp::renderer::gl::query_opengl_capability_state(
state,
pp::renderer::gl::OpenGlCapabilityStateQueryDispatch {
.is_enabled = is_opengl_state_enabled,
});
if (!result.ok()) {
LOG("OpenGL VR render state query failed: %s", result.status().message);
return false;
}
return result.value();
}
void clear_vr_depth_buffer()
{
const auto status = pp::renderer::gl::clear_opengl_buffers(
@@ -262,8 +281,8 @@ void App::vr_draw(const glm::mat4& proj, const glm::mat4& camera, const glm::mat
glm::vec3 origin = glm::vec3(0, 0, -1) * glm::transpose(glm::mat3(pose));
vr_rot = glm::lookAt({ 0, 0, 0 }, origin, { 0, 1, 0 });
auto blend = glIsEnabled(pp::renderer::gl::blend_state());
auto depth = glIsEnabled(pp::renderer::gl::depth_test_state());
const bool blend = query_vr_render_capability(pp::renderer::gl::blend_state());
const bool depth = query_vr_render_capability(pp::renderer::gl::depth_test_state());
apply_vr_render_capability(pp::renderer::gl::blend_state(), false);
apply_vr_render_capability(pp::renderer::gl::depth_test_state(), false);
@@ -556,8 +575,8 @@ void App::vr_draw(const glm::mat4& proj, const glm::mat4& camera, const glm::mat
mode->on_Draw(ortho_proj, proj, camera);
*/
apply_vr_render_capability(pp::renderer::gl::blend_state(), blend != 0U);
apply_vr_render_capability(pp::renderer::gl::depth_test_state(), depth != 0U);
apply_vr_render_capability(pp::renderer::gl::blend_state(), blend);
apply_vr_render_capability(pp::renderer::gl::depth_test_state(), depth);
sampler.unbind();
}