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video_core/texture_cache: Amend Doxygen references
Amends the doxygen comments so that they properly resolve. While we're at it, we can correct some typos and fix up some of the comments' formatting in order to make them slightly nicer to read.
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@ -62,10 +62,10 @@ public:
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}
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}
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}
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}
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/***
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/**
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* `Guard` guarantees that rendertargets don't unregister themselves if the
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* Guarantees that rendertargets don't unregister themselves if the
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* collide. Protection is currently only done on 3D slices.
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* collide. Protection is currently only done on 3D slices.
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***/
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*/
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void GuardRenderTargets(bool new_guard) {
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void GuardRenderTargets(bool new_guard) {
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guard_render_targets = new_guard;
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guard_render_targets = new_guard;
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}
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}
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@ -287,7 +287,7 @@ protected:
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const Tegra::Engines::Fermi2D::Config& copy_config) = 0;
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const Tegra::Engines::Fermi2D::Config& copy_config) = 0;
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// Depending on the backend, a buffer copy can be slow as it means deoptimizing the texture
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// Depending on the backend, a buffer copy can be slow as it means deoptimizing the texture
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// and reading it from a sepparate buffer.
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// and reading it from a separate buffer.
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virtual void BufferCopy(TSurface& src_surface, TSurface& dst_surface) = 0;
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virtual void BufferCopy(TSurface& src_surface, TSurface& dst_surface) = 0;
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void ManageRenderTargetUnregister(TSurface& surface) {
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void ManageRenderTargetUnregister(TSurface& surface) {
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@ -386,12 +386,13 @@ private:
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};
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};
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/**
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/**
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* `PickStrategy` takes care of selecting a proper strategy to deal with a texture recycle.
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* Takes care of selecting a proper strategy to deal with a texture recycle.
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* @param overlaps, the overlapping surfaces registered in the cache.
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*
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* @param params, the paremeters on the new surface.
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* @param overlaps The overlapping surfaces registered in the cache.
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* @param gpu_addr, the starting address of the new surface.
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* @param params The parameters on the new surface.
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* @param untopological, tells the recycler that the texture has no way to match the overlaps
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* @param gpu_addr The starting address of the new surface.
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* due to topological reasons.
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* @param untopological Indicates to the recycler that the texture has no way
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* to match the overlaps due to topological reasons.
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**/
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**/
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RecycleStrategy PickStrategy(std::vector<TSurface>& overlaps, const SurfaceParams& params,
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RecycleStrategy PickStrategy(std::vector<TSurface>& overlaps, const SurfaceParams& params,
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const GPUVAddr gpu_addr, const MatchTopologyResult untopological) {
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const GPUVAddr gpu_addr, const MatchTopologyResult untopological) {
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@ -419,16 +420,19 @@ private:
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}
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}
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/**
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/**
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* `RecycleSurface` es a method we use to decide what to do with textures we can't resolve in
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* Used to decide what to do with textures we can't resolve in the cache It has 2 implemented
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*the cache It has 2 implemented strategies: Ignore and Flush. Ignore just unregisters all the
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* strategies: Ignore and Flush.
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*overlaps and loads the new texture. Flush, flushes all the overlaps into memory and loads the
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*
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*new surface from that data.
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* - Ignore: Just unregisters all the overlaps and loads the new texture.
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* @param overlaps, the overlapping surfaces registered in the cache.
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* - Flush: Flushes all the overlaps into memory and loads the new surface from that data.
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* @param params, the paremeters on the new surface.
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*
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* @param gpu_addr, the starting address of the new surface.
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* @param overlaps The overlapping surfaces registered in the cache.
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* @param preserve_contents, tells if the new surface should be loaded from meory or left blank
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* @param params The parameters for the new surface.
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* @param untopological, tells the recycler that the texture has no way to match the overlaps
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* @param gpu_addr The starting address of the new surface.
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* due to topological reasons.
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* @param preserve_contents Indicates that the new surface should be loaded from memory or left
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* blank.
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* @param untopological Indicates to the recycler that the texture has no way to match the
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* overlaps due to topological reasons.
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**/
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**/
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std::pair<TSurface, TView> RecycleSurface(std::vector<TSurface>& overlaps,
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std::pair<TSurface, TView> RecycleSurface(std::vector<TSurface>& overlaps,
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const SurfaceParams& params, const GPUVAddr gpu_addr,
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const SurfaceParams& params, const GPUVAddr gpu_addr,
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@ -465,10 +469,12 @@ private:
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}
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}
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/**
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/**
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* `RebuildSurface` this method takes a single surface and recreates into another that
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* Takes a single surface and recreates into another that may differ in
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* may differ in format, target or width alingment.
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* format, target or width alignment.
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* @param current_surface, the registered surface in the cache which we want to convert.
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*
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* @param params, the new surface params which we'll use to recreate the surface.
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* @param current_surface The registered surface in the cache which we want to convert.
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* @param params The new surface params which we'll use to recreate the surface.
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* @param is_render Whether or not the surface is a render target.
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**/
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**/
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std::pair<TSurface, TView> RebuildSurface(TSurface current_surface, const SurfaceParams& params,
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std::pair<TSurface, TView> RebuildSurface(TSurface current_surface, const SurfaceParams& params,
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bool is_render) {
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bool is_render) {
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@ -502,12 +508,14 @@ private:
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}
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}
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/**
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/**
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* `ManageStructuralMatch` this method takes a single surface and checks with the new surface's
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* Takes a single surface and checks with the new surface's params if it's an exact
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* params if it's an exact match, we return the main view of the registered surface. If it's
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* match, we return the main view of the registered surface. If its formats don't
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* formats don't match, we rebuild the surface. We call this last method a `Mirage`. If formats
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* match, we rebuild the surface. We call this last method a `Mirage`. If formats
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* match but the targets don't, we create an overview View of the registered surface.
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* match but the targets don't, we create an overview View of the registered surface.
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* @param current_surface, the registered surface in the cache which we want to convert.
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*
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* @param params, the new surface params which we want to check.
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* @param current_surface The registered surface in the cache which we want to convert.
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* @param params The new surface params which we want to check.
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* @param is_render Whether or not the surface is a render target.
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**/
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**/
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std::pair<TSurface, TView> ManageStructuralMatch(TSurface current_surface,
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std::pair<TSurface, TView> ManageStructuralMatch(TSurface current_surface,
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const SurfaceParams& params, bool is_render) {
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const SurfaceParams& params, bool is_render) {
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@ -529,13 +537,14 @@ private:
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}
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}
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/**
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/**
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* `TryReconstructSurface` unlike `RebuildSurface` where we know the registered surface
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* Unlike RebuildSurface where we know whether or not registered surfaces match the candidate
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* matches the candidate in some way, we got no guarantess here. We try to see if the overlaps
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* in some way, we have no guarantees here. We try to see if the overlaps are sublayers/mipmaps
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* are sublayers/mipmaps of the new surface, if they all match we end up recreating a surface
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* of the new surface, if they all match we end up recreating a surface for them,
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* for them, else we return nothing.
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* else we return nothing.
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* @param overlaps, the overlapping surfaces registered in the cache.
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*
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* @param params, the paremeters on the new surface.
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* @param overlaps The overlapping surfaces registered in the cache.
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* @param gpu_addr, the starting address of the new surface.
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* @param params The parameters on the new surface.
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* @param gpu_addr The starting address of the new surface.
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**/
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**/
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std::optional<std::pair<TSurface, TView>> TryReconstructSurface(std::vector<TSurface>& overlaps,
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std::optional<std::pair<TSurface, TView>> TryReconstructSurface(std::vector<TSurface>& overlaps,
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const SurfaceParams& params,
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const SurfaceParams& params,
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@ -584,19 +593,27 @@ private:
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}
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}
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/**
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/**
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* `GetSurface` gets the starting address and parameters of a candidate surface and tries
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* Gets the starting address and parameters of a candidate surface and tries
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* to find a matching surface within the cache. This is done in 3 big steps. The first is to
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* to find a matching surface within the cache. This is done in 3 big steps:
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* check the 1st Level Cache in order to find an exact match, if we fail, we move to step 2.
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*
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* Step 2 is checking if there are any overlaps at all, if none, we just load the texture from
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* 1. Check the 1st Level Cache in order to find an exact match, if we fail, we move to step 2.
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* memory else we move to step 3. Step 3 consists on figuring the relationship between the
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*
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* candidate texture and the overlaps. We divide the scenarios depending if there's 1 or many
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* 2. Check if there are any overlaps at all, if there are none, we just load the texture from
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* overlaps. If there's many, we just try to reconstruct a new surface out of them based on the
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* memory else we move to step 3.
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* candidate's parameters, if we fail, we recycle. When there's only 1 overlap then we have to
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*
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* check if the candidate is a view (layer/mipmap) of the overlap or if the registered surface
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* 3. Consists of figuring out the relationship between the candidate texture and the
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* is a mipmap/layer of the candidate. In this last case we reconstruct a new surface.
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* overlaps. We divide the scenarios depending if there's 1 or many overlaps. If
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* @param gpu_addr, the starting address of the candidate surface.
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* there's many, we just try to reconstruct a new surface out of them based on the
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* @param params, the paremeters on the candidate surface.
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* candidate's parameters, if we fail, we recycle. When there's only 1 overlap then we
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* @param preserve_contents, tells if the new surface should be loaded from meory or left blank.
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* have to check if the candidate is a view (layer/mipmap) of the overlap or if the
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* registered surface is a mipmap/layer of the candidate. In this last case we reconstruct
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* a new surface.
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*
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* @param gpu_addr The starting address of the candidate surface.
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* @param params The parameters on the candidate surface.
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* @param preserve_contents Indicates that the new surface should be loaded from memory or
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* left blank.
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* @param is_render Whether or not the surface is a render target.
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**/
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**/
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std::pair<TSurface, TView> GetSurface(const GPUVAddr gpu_addr, const SurfaceParams& params,
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std::pair<TSurface, TView> GetSurface(const GPUVAddr gpu_addr, const SurfaceParams& params,
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bool preserve_contents, bool is_render) {
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bool preserve_contents, bool is_render) {
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@ -651,7 +668,7 @@ private:
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// Step 3
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// Step 3
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// Now we need to figure the relationship between the texture and its overlaps
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// Now we need to figure the relationship between the texture and its overlaps
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// we do a topological test to ensure we can find some relationship. If it fails
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// we do a topological test to ensure we can find some relationship. If it fails
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// inmediatly recycle the texture
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// immediately recycle the texture
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for (const auto& surface : overlaps) {
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for (const auto& surface : overlaps) {
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const auto topological_result = surface->MatchesTopology(params);
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const auto topological_result = surface->MatchesTopology(params);
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if (topological_result != MatchTopologyResult::FullMatch) {
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if (topological_result != MatchTopologyResult::FullMatch) {
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@ -720,12 +737,13 @@ private:
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}
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}
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/**
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/**
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* `DeduceSurface` gets the starting address and parameters of a candidate surface and tries
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* Gets the starting address and parameters of a candidate surface and tries to find a
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* to find a matching surface within the cache that's similar to it. If there are many textures
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* matching surface within the cache that's similar to it. If there are many textures
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* or the texture found if entirely incompatible, it will fail. If no texture is found, the
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* or the texture found if entirely incompatible, it will fail. If no texture is found, the
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* blit will be unsuccessful.
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* blit will be unsuccessful.
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* @param gpu_addr, the starting address of the candidate surface.
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*
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* @param params, the paremeters on the candidate surface.
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* @param gpu_addr The starting address of the candidate surface.
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* @param params The parameters on the candidate surface.
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**/
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**/
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Deduction DeduceSurface(const GPUVAddr gpu_addr, const SurfaceParams& params) {
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Deduction DeduceSurface(const GPUVAddr gpu_addr, const SurfaceParams& params) {
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const auto host_ptr{system.GPU().MemoryManager().GetPointer(gpu_addr)};
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const auto host_ptr{system.GPU().MemoryManager().GetPointer(gpu_addr)};
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@ -777,11 +795,14 @@ private:
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}
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}
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/**
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/**
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* `DeduceBestBlit` gets the a source and destination starting address and parameters,
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* Gets the a source and destination starting address and parameters,
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* and tries to deduce if they are supposed to be depth textures. If so, their
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* and tries to deduce if they are supposed to be depth textures. If so, their
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* parameters are modified and fixed into so.
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* parameters are modified and fixed into so.
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* @param gpu_addr, the starting address of the candidate surface.
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*
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* @param params, the parameters on the candidate surface.
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* @param src_params The parameters of the candidate surface.
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* @param dst_params The parameters of the destination surface.
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* @param src_gpu_addr The starting address of the candidate surface.
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* @param dst_gpu_addr The starting address of the destination surface.
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**/
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**/
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void DeduceBestBlit(SurfaceParams& src_params, SurfaceParams& dst_params,
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void DeduceBestBlit(SurfaceParams& src_params, SurfaceParams& dst_params,
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const GPUVAddr src_gpu_addr, const GPUVAddr dst_gpu_addr) {
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const GPUVAddr src_gpu_addr, const GPUVAddr dst_gpu_addr) {
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