build: split the engine into liboakengine.so; worker drops the UI entirely
Physical split: app/{audio,cli,codec,common,config,node,pluginSupport,
render,task,timeline,undo,tool,shaders} plus coreengine, version and
ui/icons+colorcoding move to a new top-level engine/ tree, built as
liboakengine.so (shared). The render backends (oakgl/oakvulkan) move
with it and link the engine library instead of embedding a static
render-core subset (libolive-rendercore is gone).
- oak-render-worker now links liboakengine instead of the whole
libolive-editor object set: 336MB -> 2.9MB, no Qt Widgets UI
- the editor links liboakengine for the engine and keeps only UI
objects in libolive-editor
- install/packaging: GNUInstallDirs libdir on Linux, bundle copy on
macOS, oakengine.dll staged for NSIS, AppImage validation entry
- fix backend lookup for the new layout: DynamicRenderer searched
../app but backends now live in engine/; a stale pre-split liboakgl
in the build tree got dlopened instead, re-initialized and later
destroyed the interposed engine statics (full-suite segfault at
DialogSequenceParameterTab, found via gdb watchpoint)
This commit is contained in:
@@ -0,0 +1,249 @@
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#include "render/backend/renderbackend_c.h"
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#include <QDebug>
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#include <QOpenGLContext>
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#include <QPointF>
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#include <QVariant>
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#include "render/job/acceleratedjob.h"
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#include "render/shadercode.h"
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#include "render/texture.h"
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#include "render/videoparams.h"
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#include "render/vulkan/vulkanrenderer.h"
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namespace
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{
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class BackendVulkanRenderer : public olive::VulkanRenderer {
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public:
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using olive::VulkanRenderer::VulkanRenderer;
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using olive::VulkanRenderer::blit;
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using olive::VulkanRenderer::create_native_texture;
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using olive::VulkanRenderer::destroy_internal;
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using olive::VulkanRenderer::destroy_native_texture;
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};
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// Converts the opaque C ABI handle back to the C++ Vulkan renderer.
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BackendVulkanRenderer *renderer(OakRenderBackendHandle handle)
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{
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return static_cast<BackendVulkanRenderer *>(handle);
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}
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// Interprets ABI QVariant payloads without copying; this ABI version assumes
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// the host and backend are built with the same Qt/C++ ABI.
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const QVariant &variant_ref(const void *variant)
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{
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return *static_cast<const QVariant *>(variant);
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}
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} // namespace
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// Creates the Vulkan backend object and returns it as an opaque C handle.
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OAK_RENDER_BACKEND_EXPORT OakRenderBackendHandle
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oak_renderer_create(void *parent)
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{
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return new BackendVulkanRenderer(static_cast<QObject *>(parent));
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}
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// Destroys the opaque backend object created by oak_renderer_create().
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OAK_RENDER_BACKEND_EXPORT void
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oak_renderer_destroy(OakRenderBackendHandle handle)
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{
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delete renderer(handle);
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}
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// Reports Vulkan backend capabilities and runtime availability status.
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OAK_RENDER_BACKEND_EXPORT bool
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oak_renderer_get_info(OakRenderBackendHandle handle,
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OakRenderBackendInfo *out_info)
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{
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if (!handle || !out_info) {
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return false;
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}
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out_info->abi_version = 1;
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out_info->kind = oak_render_backend_vulkan;
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out_info->capabilities =
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oak_render_backend_cap_textures | oak_render_backend_cap_shaders |
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oak_render_backend_cap_blit | oak_render_backend_cap_readback;
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out_info->name = "vulkan";
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out_info->status = renderer(handle)->is_available() ? "available" :
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"unavailable";
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return true;
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}
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// Probes runtime availability by trying Init() once; this lets missing ICDs or
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// unusable drivers fall back before normal rendering starts.
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OAK_RENDER_BACKEND_EXPORT bool
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oak_renderer_is_available(OakRenderBackendHandle handle)
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{
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auto *r = renderer(handle);
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if (!r || r->is_available()) {
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return r && r->is_available();
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}
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// Try to initialize if not already available
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if (r->init()) {
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r->post_init();
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}
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return r->is_available();
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}
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// Initializes the Vulkan device path.
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OAK_RENDER_BACKEND_EXPORT bool oak_renderer_init(OakRenderBackendHandle handle)
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{
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return renderer(handle)->init();
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}
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// Vulkan does not use a QOpenGLContext; the argument is accepted for ABI parity.
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OAK_RENDER_BACKEND_EXPORT void
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oak_renderer_init_with_context(OakRenderBackendHandle handle, void *context)
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{
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Q_UNUSED(context)
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renderer(handle)->init();
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}
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// Creates reusable Vulkan resources after device initialization.
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OAK_RENDER_BACKEND_EXPORT void
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oak_renderer_post_init(OakRenderBackendHandle handle)
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{
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renderer(handle)->post_init();
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}
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// Reserved for API symmetry; Vulkan cleanup is handled by destroy_internal.
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OAK_RENDER_BACKEND_EXPORT void
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oak_renderer_post_destroy(OakRenderBackendHandle handle)
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{
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renderer(handle)->post_destroy();
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}
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// Releases all Vulkan resources owned by the renderer.
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OAK_RENDER_BACKEND_EXPORT void
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oak_renderer_destroy_internal(OakRenderBackendHandle handle)
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{
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renderer(handle)->destroy_internal();
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}
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// Clears a Vulkan texture destination.
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OAK_RENDER_BACKEND_EXPORT void
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oak_renderer_clear_destination(OakRenderBackendHandle handle, void *texture,
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double r, double g, double b, double a)
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{
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renderer(handle)->clear_destination(static_cast<olive::Texture *>(texture),
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r, g, b, a);
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}
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// Creates a Vulkan texture and writes its QVariant handle to out_variant.
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OAK_RENDER_BACKEND_EXPORT void oak_renderer_create_native_texture(
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OakRenderBackendHandle handle, int width, int height, int depth, int format,
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int channel_count, const void *data, int linesize, void *out_variant)
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{
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*static_cast<QVariant *>(out_variant) =
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renderer(handle)->create_native_texture(
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width, height, depth,
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static_cast<olive::PixelFormat::Format>(format), channel_count,
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data, linesize);
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}
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// Destroys a Vulkan texture represented by a QVariant handle.
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OAK_RENDER_BACKEND_EXPORT void
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oak_renderer_destroy_native_texture(OakRenderBackendHandle handle,
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const void *variant)
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{
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renderer(handle)->destroy_native_texture(variant_ref(variant));
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}
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// Compiles a Vulkan shader and returns its QVariant handle.
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OAK_RENDER_BACKEND_EXPORT void
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oak_renderer_create_native_shader(OakRenderBackendHandle handle,
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const void *shader_code, void *out_variant)
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{
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*static_cast<QVariant *>(out_variant) =
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renderer(handle)->create_native_shader(
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*static_cast<const olive::ShaderCode *>(shader_code));
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}
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// Destroys a Vulkan shader represented by a QVariant handle.
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OAK_RENDER_BACKEND_EXPORT void
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oak_renderer_destroy_native_shader(OakRenderBackendHandle handle,
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const void *variant)
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{
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renderer(handle)->destroy_native_shader(variant_ref(variant));
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}
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// Uploads CPU pixel data into a Vulkan texture.
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OAK_RENDER_BACKEND_EXPORT void
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oak_renderer_upload_to_texture(OakRenderBackendHandle handle,
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const void *variant, const void *video_params,
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const void *data, int linesize)
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{
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renderer(handle)->upload_to_texture(
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variant_ref(variant),
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*static_cast<const olive::VideoParams *>(video_params), data, linesize);
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}
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// Downloads a Vulkan texture to CPU memory.
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OAK_RENDER_BACKEND_EXPORT void oak_renderer_download_from_texture(
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OakRenderBackendHandle handle, const void *variant,
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const void *video_params, void *data, int linesize)
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{
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renderer(handle)->download_from_texture(
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variant_ref(variant),
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*static_cast<const olive::VideoParams *>(video_params), data, linesize);
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}
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// Waits for all queued Vulkan work to finish.
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OAK_RENDER_BACKEND_EXPORT void oak_renderer_flush(OakRenderBackendHandle handle)
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{
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renderer(handle)->flush();
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}
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// Reads one pixel from a Vulkan texture.
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OAK_RENDER_BACKEND_EXPORT void
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oak_renderer_get_pixel_from_texture(OakRenderBackendHandle handle,
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void *texture, const void *point,
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void *out_color)
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{
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*static_cast<olive::Color *>(out_color) =
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renderer(handle)->get_pixel_from_texture(
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static_cast<olive::Texture *>(texture),
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*static_cast<const QPointF *>(point));
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}
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// Executes a shader blit through the wrapped Vulkan renderer.
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OAK_RENDER_BACKEND_EXPORT void oak_renderer_blit(OakRenderBackendHandle handle,
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const void *shader, void *job,
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void *destination,
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const void *destination_params,
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bool clear_destination)
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{
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renderer(handle)->blit(
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variant_ref(shader), *static_cast<olive::AcceleratedJob *>(job),
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static_cast<olive::Texture *>(destination),
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*static_cast<const olive::VideoParams *>(destination_params),
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clear_destination);
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}
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// Vulkan has no OpenGL context; return null so callers avoid GL-only paths.
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OAK_RENDER_BACKEND_EXPORT void *
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oak_renderer_opengl_context(OakRenderBackendHandle handle)
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{
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Q_UNUSED(handle)
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return nullptr;
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}
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// OFX OpenGL output attachment is unsupported in Vulkan and intentionally no-op.
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OAK_RENDER_BACKEND_EXPORT void
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oak_renderer_attach_output_texture(OakRenderBackendHandle handle,
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const void *texture_id)
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{
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Q_UNUSED(handle)
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Q_UNUSED(texture_id)
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// Vulkan does not support OFX OpenGL render output attachment.
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}
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// OFX OpenGL output detachment is unsupported in Vulkan and intentionally no-op.
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OAK_RENDER_BACKEND_EXPORT void
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oak_renderer_detach_output_texture(OakRenderBackendHandle handle)
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{
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Q_UNUSED(handle)
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// Vulkan does not support OFX OpenGL render output attachment.
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}
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File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,277 @@
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/***************************************************************************
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Oak Video Editor
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Copyright (C) 2025 mikesolar
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
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|
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This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
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***************************************************************************/
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#ifndef OAK_VULKANRENDERER_H
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#define OAK_VULKANRENDERER_H
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#include <vulkan/vulkan.h>
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#include <QMutex>
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#include <QObject>
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#include <QVariant>
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#include "render/renderer.h"
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namespace olive
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{
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class VulkanRenderer : public Renderer {
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Q_OBJECT
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public:
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// Creates a renderer object; Vulkan objects are created lazily in Init().
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explicit VulkanRenderer(QObject *parent = nullptr);
|
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// Releases Vulkan objects through the normal Renderer destruction path.
|
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virtual ~VulkanRenderer() override;
|
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|
||||
// Creates the Vulkan instance, logical device, command pool, and descriptor
|
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// pool required for offscreen rendering.
|
||||
virtual bool init() override;
|
||||
// Creates reusable GPU resources that require a fully initialized device.
|
||||
virtual void post_init() override;
|
||||
// Reserved for symmetry with OpenGLRenderer; Vulkan cleanup is handled by
|
||||
// DestroyInternal().
|
||||
virtual void post_destroy() override;
|
||||
|
||||
// Clears either a texture render target or the currently bound output target.
|
||||
virtual void clear_destination(olive::Texture *texture = nullptr,
|
||||
double r = 0.0, double g = 0.0,
|
||||
double b = 0.0, double a = 0.0) override;
|
||||
|
||||
// Compiles GLSL to SPIR-V, creates shader modules, and prepares descriptor
|
||||
// metadata for later blits.
|
||||
virtual QVariant create_native_shader(olive::ShaderCode code) override;
|
||||
// Destroys shader modules, descriptor layout, pipeline layout, and cached
|
||||
// pipelines associated with a shader handle.
|
||||
virtual void destroy_native_shader(QVariant shader) override;
|
||||
|
||||
// Uploads CPU pixel data to a Vulkan image via a staging buffer.
|
||||
virtual void upload_to_texture(const QVariant &handle,
|
||||
const VideoParams ¶ms, const void *data,
|
||||
int linesize) override;
|
||||
// Downloads a Vulkan image to CPU memory via a staging buffer.
|
||||
virtual void download_from_texture(const QVariant &handle,
|
||||
const VideoParams ¶ms, void *data,
|
||||
int linesize) override;
|
||||
|
||||
// Waits for outstanding device work to complete.
|
||||
virtual void flush() override;
|
||||
|
||||
virtual bool is_vulkan() const override
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
// Reads a single texture pixel using a one-pixel transfer readback.
|
||||
virtual Color get_pixel_from_texture(olive::Texture *texture,
|
||||
const QPointF &pt) override;
|
||||
|
||||
bool is_available() const
|
||||
{
|
||||
return device_ != VK_NULL_HANDLE;
|
||||
}
|
||||
|
||||
protected:
|
||||
// Runs one or more fullscreen shader passes into the destination texture.
|
||||
virtual void blit(QVariant shader, olive::AcceleratedJob &job,
|
||||
olive::Texture *destination,
|
||||
VideoParams destination_params,
|
||||
bool clear_destination) override;
|
||||
// Creates a Vulkan image/view/memory bundle and optionally uploads initial
|
||||
// pixel data.
|
||||
virtual QVariant create_native_texture(int width, int height, int depth,
|
||||
PixelFormat format, int channel_count,
|
||||
const void *data = nullptr,
|
||||
int linesize = 0) override;
|
||||
// Releases a Vulkan texture bundle.
|
||||
virtual void destroy_native_texture(QVariant texture) override;
|
||||
// Releases all Vulkan device resources owned by this renderer.
|
||||
virtual void destroy_internal() override;
|
||||
|
||||
private:
|
||||
struct VulkanTexture;
|
||||
struct VulkanShader;
|
||||
struct UniformInfo;
|
||||
struct StagingBuffer;
|
||||
|
||||
// Creates the Vulkan instance used for all offscreen work.
|
||||
bool create_instance();
|
||||
// Creates the debug messenger when validation layers are available.
|
||||
bool create_debug_messenger();
|
||||
// Destroys the debug messenger before the instance is destroyed.
|
||||
void destroy_debug_messenger();
|
||||
// Validation layer callback; logs errors/warnings so synchronization issues
|
||||
// are visible before they become GPU hangs.
|
||||
static VKAPI_ATTR VkBool32 VKAPI_CALL
|
||||
debug_callback(VkDebugUtilsMessageSeverityFlagBitsEXT message_severity,
|
||||
VkDebugUtilsMessageTypeFlagsEXT message_type,
|
||||
const VkDebugUtilsMessengerCallbackDataEXT *p_callback_data,
|
||||
void *p_user_data);
|
||||
// Chooses a graphics-capable physical device and creates the logical device.
|
||||
bool create_device();
|
||||
// Creates a command pool for short-lived command buffers.
|
||||
bool create_command_pool();
|
||||
// Creates the descriptor pool used for per-blit UBO/sampler sets.
|
||||
bool create_descriptor_pool();
|
||||
// Uploads the fullscreen quad vertex buffer used by BlitPass().
|
||||
bool create_vertex_buffer();
|
||||
// Creates the persistent linear sampler.
|
||||
bool create_linear_sampler();
|
||||
// Creates the persistent nearest-neighbor sampler.
|
||||
bool create_nearest_sampler();
|
||||
// Returns the persistent sampler matching the requested interpolation mode.
|
||||
VkSampler get_sampler(Texture::Interpolation interpolation) const;
|
||||
// Allocates a host-visible staging buffer for upload/download transfers.
|
||||
bool create_staging_buffer(VkDeviceSize size, VkBuffer *out_buffer,
|
||||
VkDeviceMemory *out_memory);
|
||||
// Destroys a staging buffer pair allocated by CreateStagingBuffer().
|
||||
void destroy_staging_buffer(VkBuffer buffer, VkDeviceMemory memory);
|
||||
|
||||
// Begins a one-shot command buffer and records it immediately.
|
||||
VkCommandBuffer begin_one_time_commands();
|
||||
// Submits and waits for a one-shot command buffer.
|
||||
void end_one_time_commands(VkCommandBuffer cmd);
|
||||
|
||||
// Emits an image memory barrier for the subset of layouts this renderer uses.
|
||||
void transition_image_layout(VkCommandBuffer cmd, VkImage image,
|
||||
VkImageLayout old_layout,
|
||||
VkImageLayout new_layout);
|
||||
// Records a tightly packed buffer-to-image copy.
|
||||
void copy_buffer_to_image(VkCommandBuffer cmd, VkBuffer buffer, VkImage image,
|
||||
uint32_t width, uint32_t height, uint32_t depth);
|
||||
// Records an image-to-buffer copy, optionally reading one pixel offset.
|
||||
void copy_image_to_buffer(VkCommandBuffer cmd, VkImage image, VkBuffer buffer,
|
||||
uint32_t width, uint32_t height,
|
||||
uint32_t offset_x = 0, uint32_t offset_y = 0);
|
||||
|
||||
// Converts Oak pixel format/channel metadata to a preferred Vulkan format.
|
||||
VkFormat pixel_format_to_vk_format(PixelFormat format, int channel_count) const;
|
||||
// Picks a color-attachment-capable format, falling back from RGB to RGBA
|
||||
// where drivers do not support 3-channel render targets.
|
||||
VkFormat pick_renderable_format(PixelFormat format, int channel_count) const;
|
||||
// Checks whether a format can be used as a render target.
|
||||
bool is_color_attachment_supported(VkFormat format) const;
|
||||
// Returns the packed byte size for supported VkFormat values.
|
||||
int get_vk_format_bytes_per_pixel(VkFormat format) const;
|
||||
// Returns the alpha fill value used when expanding RGB data to RGBA.
|
||||
float get_format_max_alpha(PixelFormat format) const;
|
||||
// Repackages tightly packed pixels when the requested CPU channel count
|
||||
// differs from the selected GPU format channel count.
|
||||
void copy_pixels_with_channel_conversion(const void *src, void *dst, int width,
|
||||
int height, int depth,
|
||||
int src_channels, int dst_channels,
|
||||
PixelFormat format) const;
|
||||
// Rounds a size up to the requested alignment.
|
||||
VkDeviceSize align_size(VkDeviceSize size, VkDeviceSize alignment) const;
|
||||
|
||||
// Finds a Vulkan memory type matching the requested properties.
|
||||
uint32_t find_memory_type(uint32_t type_filter,
|
||||
VkMemoryPropertyFlags properties) const;
|
||||
|
||||
// Compiles GLSL source into SPIR-V using shaderc when available.
|
||||
bool compile_glsl_to_spv(const QString &glsl, VkShaderStageFlagBits stage,
|
||||
QByteArray *out_spv);
|
||||
// Rewrites an Oak GLSL shader into Vulkan-compatible GLSL.
|
||||
QString convert_glsl_to_vulkan(const QString &glsl,
|
||||
VkShaderStageFlagBits stage);
|
||||
// Ensures a shader declares a Vulkan-compatible GLSL version.
|
||||
QString ensure_glsl_version450(const QString &glsl) const;
|
||||
// Extracts uniforms and sampler names from GLSL declarations.
|
||||
void extract_uniforms(const QString &glsl,
|
||||
QVector<UniformInfo> *out_uniforms,
|
||||
QVector<QString> *out_samplers) const;
|
||||
// Computes std140 offsets and total UBO size for extracted uniforms.
|
||||
void compute_uniform_layout(QVector<UniformInfo> *uniforms) const;
|
||||
// Builds the generated uniform block used by rewritten shaders.
|
||||
QString build_ubo_block(const QVector<UniformInfo> &uniforms) const;
|
||||
// Rewrites standalone uniforms and samplers into explicit UBO/sampler
|
||||
// bindings accepted by Vulkan GLSL.
|
||||
QString
|
||||
rewrite_shader_with_ubo(const QString &glsl,
|
||||
const QVector<UniformInfo> &all_uniforms,
|
||||
const QHash<QString, int> &sampler_bindings) const;
|
||||
// Returns std140 storage size for a supported GLSL type.
|
||||
VkDeviceSize get_std140_size(const QString &type) const;
|
||||
// Returns std140 alignment for a supported GLSL type.
|
||||
VkDeviceSize get_std140_alignment(const QString &type) const;
|
||||
|
||||
// Creates or retrieves the graphics pipeline for a shader/render format pair.
|
||||
bool create_pipeline_for_shader(VulkanShader *shader,
|
||||
const VideoParams &dest_params,
|
||||
VkFormat render_pass_format);
|
||||
|
||||
// Caches simple single-color-attachment render passes by format/clear mode.
|
||||
VkRenderPass get_or_create_render_pass(VkFormat format, bool clear);
|
||||
|
||||
struct TextureBinding {
|
||||
QString name;
|
||||
VulkanTexture *tex;
|
||||
Texture::Interpolation interp;
|
||||
};
|
||||
|
||||
// Executes one fullscreen pass with the provided texture bindings and UBO.
|
||||
void blit_pass(VulkanShader *shader, VulkanTexture *dest_tex,
|
||||
const QVector<TextureBinding> &bindings,
|
||||
const QByteArray &ubo_data,
|
||||
const VideoParams &destination_params, bool clear_destination,
|
||||
int iteration);
|
||||
|
||||
VkInstance instance_ = VK_NULL_HANDLE;
|
||||
VkDebugUtilsMessengerEXT debug_messenger_ = VK_NULL_HANDLE;
|
||||
VkPhysicalDevice physical_device_ = VK_NULL_HANDLE;
|
||||
// Set to true after the first VK_ERROR_DEVICE_LOST so we stop submitting
|
||||
// work and don't flood the log with identical errors.
|
||||
bool device_lost_ = false;
|
||||
uint32_t physical_device_count_ = 0;
|
||||
VkDevice device_ = VK_NULL_HANDLE;
|
||||
VkQueue graphics_queue_ = VK_NULL_HANDLE;
|
||||
uint32_t graphics_queue_family_ = UINT32_MAX;
|
||||
VkCommandPool command_pool_ = VK_NULL_HANDLE;
|
||||
VkDescriptorPool descriptor_pool_ = VK_NULL_HANDLE;
|
||||
VkSampler linear_sampler_ = VK_NULL_HANDLE;
|
||||
VkSampler nearest_sampler_ = VK_NULL_HANDLE;
|
||||
|
||||
QHash<quint64, VkRenderPass> render_pass_cache_;
|
||||
int descriptor_sets_since_reset_ = 0;
|
||||
|
||||
VkBuffer vertex_buffer_ = VK_NULL_HANDLE;
|
||||
VkDeviceMemory vertex_buffer_memory_ = VK_NULL_HANDLE;
|
||||
StagingBuffer *staging_buffer_ = nullptr;
|
||||
VkCommandBuffer reusable_command_buffer_ = VK_NULL_HANDLE;
|
||||
VkFence reusable_fence_ = VK_NULL_HANDLE;
|
||||
|
||||
VkPhysicalDeviceMemoryProperties mem_properties_;
|
||||
VkPhysicalDeviceProperties device_properties_;
|
||||
|
||||
QMutex mutex_;
|
||||
|
||||
// Texture handle counter
|
||||
quint64 next_texture_id_ = 1;
|
||||
QHash<quint64, VulkanTexture *> textures_;
|
||||
|
||||
// Shader handle counter
|
||||
quint64 next_shader_id_ = 1;
|
||||
QHash<quint64, VulkanShader *> shaders_;
|
||||
|
||||
static const int k_max_descriptor_sets = 1024;
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
#endif // OAK_VULKANRENDERER_H
|
||||
Reference in New Issue
Block a user