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eliminate fallback key/hash pair cache in texture cache layer; we can rely on rewinding purely via the hash store layer

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This commit is contained in:
Ryan Fleury
2024-03-26 11:50:44 -07:00
parent 4027338a2f
commit 7cf8da0b43
4 changed files with 46 additions and 115 deletions
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src/df/gfx/df_view_rule_hooks.c
+13 -3
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@@ -877,6 +877,17 @@ DF_GFX_VIEW_RULE_BLOCK_UI_FUNCTION_DEF(bitmap)
U64 expected_size = topology_info.width*topology_info.height*r_tex2d_format_bytes_per_pixel_table[topology_info.fmt];
Rng1U64 vaddr_range = r1u64(base_vaddr, base_vaddr+expected_size);
//- rjf: obtain key for this data range
U128 texture_key = ctrl_hash_store_key_from_process_vaddr_range(process->ctrl_machine_id, process->ctrl_handle, vaddr_range, 0);
// HACK(rjf): we should not need to explicitly inform the process memory cache layer here -
// want a joined "get me the key & load it" operation here
ctrl_stored_hash_from_process_vaddr_range(process->ctrl_machine_id, process->ctrl_handle, vaddr_range, 0, 0, 0);
//- rjf: hash & topology -> texture
TEX_Topology topology = tex_topology_make(v2s32((S32)topology_info.width, (S32)topology_info.height), topology_info.fmt);
R_Handle texture = tex_texture_from_key_topology(tex_scope, texture_key, topology);
#if 0
//- rjf: unique identifying info about this address -> unique key
U128 texture_key = {0};
{
@@ -892,10 +903,8 @@ DF_GFX_VIEW_RULE_BLOCK_UI_FUNCTION_DEF(bitmap)
//- rjf: address range -> hash
U128 hash = ctrl_stored_hash_from_process_vaddr_range(process->ctrl_machine_id, process->ctrl_handle, vaddr_range, 0, 0, 0);
//- rjf: hash & topology -> texture
TEX_Topology topology = tex_topology_make(v2s32((S32)topology_info.width, (S32)topology_info.height), topology_info.fmt);
R_Handle texture = tex_texture_from_key_hash_topology(tex_scope, texture_key, hash, topology);
#endif
//- rjf: build preview
F32 rate = 1 - pow_f32(2, (-15.f * df_dt()));
@@ -941,6 +950,7 @@ DF_GFX_VIEW_RULE_BLOCK_UI_FUNCTION_DEF(bitmap)
{
if(dim.y > (F32)topology_info.height)
{
U128 hash = hs_hash_from_key(texture_key, 0);
String8 data = hs_data_from_hash(hs_scope, hash);
U64 bytes_per_pixel = r_tex2d_format_bytes_per_pixel_table[topology.fmt];
U64 mouse_pixel_off = mouse_bitmap_px_off.y*topology_info.width + mouse_bitmap_px_off.x;