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feat(render): dynamic OpenGL/Vulkan backend split and backend-neutral viewer

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- Extract libolive-rendercore static library to minimize backend link boundary.
- Add DynamicRenderer adapter with C ABI (oakgl/oakvulkan shared libs).
- Make OAK_ENABLE_DYNAMIC_RENDER_BACKEND default ON with OpenGL fallback.
- Implement VulkanRenderer prototype (textures, shaders, UBO blit, readback).
- Add backend-neutral viewer readback path (offscreen -> QImage -> QPainter).
- Refactor PluginRenderer to be renderer-agnostic; OFX plugins fall back to CPU
  path on non-OpenGL backends while preserving OpenGL render path.
- Add Renderer::AttachOutputTexture/DetachOutputTexture and C ABI forwards.
- Update docs/zh/render-backend-dynamic-plan.md for Phase 3/4/5.
This commit is contained in:
Mike-Solar
2026-07-13 10:19:29 +08:00
parent 5fc8232671
commit 225f8505c2
42 changed files with 3042 additions and 495 deletions
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tests/gtest/dynamic_render_backend_test.cpp
+27 -2
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@@ -22,6 +22,28 @@ TEST(DynamicRenderBackend, LoadsExperimentalOpenGLBackend)
#endif
}
TEST(DynamicRenderBackend, LoadsExperimentalVulkanBackendWhenAvailable)
{
#ifndef OAK_ENABLE_DYNAMIC_RENDER_BACKEND
GTEST_SKIP() << "Dynamic render backend is not enabled in this build";
#else
olive::DynamicRenderer renderer(QStringLiteral("vulkan"));
ASSERT_TRUE(renderer.Load());
OakRenderBackendInfo info = {};
ASSERT_TRUE(renderer.GetBackendInfo(&info));
if (info.kind != OAK_RENDER_BACKEND_VULKAN) {
GTEST_SKIP() << "Vulkan backend is not available on this system";
}
EXPECT_EQ(renderer.backend_name(), QStringLiteral("vulkan"));
EXPECT_EQ(renderer.OpenGLContext(), nullptr);
EXPECT_STREQ(info.name, "vulkan");
EXPECT_TRUE(info.capabilities & OAK_RENDER_BACKEND_CAP_TEXTURES);
EXPECT_TRUE(info.capabilities & OAK_RENDER_BACKEND_CAP_SHADERS);
EXPECT_TRUE(info.capabilities & OAK_RENDER_BACKEND_CAP_BLIT);
EXPECT_TRUE(info.capabilities & OAK_RENDER_BACKEND_CAP_READBACK);
#endif
}
TEST(DynamicRenderBackend, FallsBackWhenExperimentalVulkanUnavailable)
{
#ifndef OAK_ENABLE_DYNAMIC_RENDER_BACKEND
@@ -29,10 +51,13 @@ TEST(DynamicRenderBackend, FallsBackWhenExperimentalVulkanUnavailable)
#else
olive::DynamicRenderer renderer(QStringLiteral("vulkan"));
ASSERT_TRUE(renderer.Load());
EXPECT_EQ(renderer.backend_name(), QStringLiteral("opengl"));
EXPECT_EQ(renderer.OpenGLContext(), nullptr);
OakRenderBackendInfo info = {};
ASSERT_TRUE(renderer.GetBackendInfo(&info));
if (info.kind == OAK_RENDER_BACKEND_VULKAN) {
GTEST_SKIP() << "Vulkan backend is available on this system; skip fallback test";
}
EXPECT_EQ(renderer.backend_name(), QStringLiteral("opengl"));
EXPECT_EQ(renderer.OpenGLContext(), nullptr);
EXPECT_EQ(info.kind, OAK_RENDER_BACKEND_OPENGL);
EXPECT_STREQ(info.name, "opengl");
#endif