192 lines
12 KiB
C++
192 lines
12 KiB
C++
#include <cstdint>
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#include "region_array.hpp"
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#include "texture_memory_alloc.hpp"
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#include "memorymap.hpp"
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// opaque list pointer offset: OPB size * tile index * 4
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void region_array(const uint32_t width, // in tile units (1 tile unit = 32 pixels)
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const uint32_t height) // in tile units (1 tile unit = 32 pixels)
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{
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auto region_array = reinterpret_cast<volatile region_array_entry *>
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(&texture_memory32[texture_memory_alloc::region_array.start / 4]);
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const uint32_t ol_base = texture_memory_alloc::object_list.start;
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uint32_t ix = 0;
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// create a "dummy region array [item]" for CORE & TA-related bug #21:
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// "Misshapen tiles or missing tiles occur"
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/*
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region_array[ix].tile = REGION_ARRAY__FLUSH_ACCUMULATE;
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region_array[ix].opaque_list_pointer = REGION_ARRAY__LIST_POINTER__EMPTY;
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region_array[ix].opaque_modifier_volume_list_pointer = REGION_ARRAY__LIST_POINTER__EMPTY;
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region_array[ix].translucent_list_pointer = REGION_ARRAY__LIST_POINTER__EMPTY;
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region_array[ix].translucent_modifier_volume_list_pointer = REGION_ARRAY__LIST_POINTER__EMPTY;
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region_array[ix].punch_through_list_pointer = REGION_ARRAY__LIST_POINTER__EMPTY;
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ix += 1;
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*/
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for (uint32_t y = 0; y < height; y++) {
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for (uint32_t x = 0; x < width; x++) {
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region_array[ix].tile = REGION_ARRAY__TILE_Y_POSITION(y)
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| REGION_ARRAY__TILE_X_POSITION(x);
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if (y == (height - 1) && x == (width - 1))
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region_array[ix].tile |= REGION_ARRAY__LAST_REGION;
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uint32_t tile_index = y * width + x;
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constexpr uint32_t opaque_list_opb_size = 16 * 4; // in bytes; this must match O_OPB in TA_ALLOC_CTRL
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region_array[ix].opaque_list_pointer = ol_base + (opaque_list_opb_size * tile_index);
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region_array[ix].opaque_modifier_volume_list_pointer = REGION_ARRAY__LIST_POINTER__EMPTY;
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region_array[ix].translucent_list_pointer = REGION_ARRAY__LIST_POINTER__EMPTY;
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region_array[ix].translucent_modifier_volume_list_pointer = REGION_ARRAY__LIST_POINTER__EMPTY;
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region_array[ix].punch_through_list_pointer = REGION_ARRAY__LIST_POINTER__EMPTY;
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ix += 1;
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}
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}
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}
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void region_array2(const uint32_t width, // in tile units (1 tile unit = 32 pixels)
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const uint32_t height, // in tile units (1 tile unit = 32 pixels)
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const struct opb_size& opb_size)
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{
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auto region_array = reinterpret_cast<volatile region_array_entry *>
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(&texture_memory32[texture_memory_alloc::region_array.start / 4]);
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const uint32_t ol_base = texture_memory_alloc::object_list.start;
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const uint32_t num_tiles = width * height;
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uint32_t ix = 0;
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/*
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region_array[ix].tile = REGION_ARRAY__FLUSH_ACCUMULATE;
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region_array[ix].opaque_list_pointer = REGION_ARRAY__LIST_POINTER__EMPTY;
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region_array[ix].opaque_modifier_volume_list_pointer = REGION_ARRAY__LIST_POINTER__EMPTY;
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region_array[ix].translucent_list_pointer = REGION_ARRAY__LIST_POINTER__EMPTY;
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region_array[ix].translucent_modifier_volume_list_pointer = REGION_ARRAY__LIST_POINTER__EMPTY;
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region_array[ix].punch_through_list_pointer = REGION_ARRAY__LIST_POINTER__EMPTY;
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ix += 1;
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*/
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for (uint32_t y = 0; y < height; y++) {
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for (uint32_t x = 0; x < width; x++) {
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region_array[ix].tile = REGION_ARRAY__TILE_Y_POSITION(y)
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| REGION_ARRAY__TILE_X_POSITION(x);
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if (y == (height - 1) && x == (width - 1))
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region_array[ix].tile |= REGION_ARRAY__LAST_REGION;
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uint32_t tile_index = y * width + x;
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region_array[ix].opaque_list_pointer = (opb_size.opaque == 0) ? REGION_ARRAY__LIST_POINTER__EMPTY :
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(ol_base + (opb_size.opaque * tile_index)
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);
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region_array[ix].opaque_modifier_volume_list_pointer = (opb_size.opaque_modifier == 0) ? REGION_ARRAY__LIST_POINTER__EMPTY :
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(ol_base + num_tiles * ( opb_size.opaque
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)
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+ (opb_size.opaque_modifier * tile_index)
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);
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region_array[ix].translucent_list_pointer = (opb_size.translucent == 0) ? REGION_ARRAY__LIST_POINTER__EMPTY :
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(ol_base + num_tiles * ( opb_size.opaque
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+ opb_size.opaque_modifier
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)
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+ (opb_size.translucent * tile_index)
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);
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region_array[ix].translucent_modifier_volume_list_pointer = (opb_size.translucent_modifier == 0) ? REGION_ARRAY__LIST_POINTER__EMPTY :
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(ol_base + num_tiles * ( opb_size.opaque
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+ opb_size.opaque_modifier
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+ opb_size.translucent
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)
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+ (opb_size.translucent_modifier * tile_index)
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);
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region_array[ix].punch_through_list_pointer = (opb_size.punch_through == 0) ? REGION_ARRAY__LIST_POINTER__EMPTY :
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(ol_base + num_tiles * ( opb_size.opaque
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+ opb_size.opaque_modifier
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+ opb_size.translucent
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+ opb_size.translucent_modifier
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)
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+ (opb_size.punch_through * tile_index)
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);
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ix += 1;
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}
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}
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}
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void region_array_multipass(const uint32_t width, // in tile units (1 tile unit = 32 pixels)
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const uint32_t height, // in tile units (1 tile unit = 32 pixels)
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const struct opb_size * opb_size,
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const uint32_t num_render_passes,
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const uint32_t region_array_start,
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const uint32_t object_list_start)
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{
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auto region_array = reinterpret_cast<volatile region_array_entry *>
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(&texture_memory32[region_array_start / 4]);
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const uint32_t num_tiles = width * height;
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uint32_t ol_base[num_render_passes];
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ol_base[0] = object_list_start;
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for (uint32_t pass = 1; pass < num_render_passes; pass++) {
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ol_base[pass] = ol_base[pass - 1] + num_tiles * opb_size[pass - 1].total();
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}
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uint32_t ix = 0;
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for (uint32_t y = 0; y < height; y++) {
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for (uint32_t x = 0; x < width; x++) {
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for (uint32_t pass = 0; pass < num_render_passes; pass++) {
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region_array[ix].tile = REGION_ARRAY__TILE_Y_POSITION(y)
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| REGION_ARRAY__TILE_X_POSITION(x);
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if (pass == (num_render_passes - 1) && y == (height - 1) && x == (width - 1))
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region_array[ix].tile |= REGION_ARRAY__LAST_REGION;
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if (pass != (num_render_passes - 1))
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region_array[ix].tile |= REGION_ARRAY__FLUSH_ACCUMULATE;
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if (pass > 0)
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region_array[ix].tile |= REGION_ARRAY__Z_CLEAR;
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uint32_t tile_index = y * width + x;
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region_array[ix].opaque_list_pointer = (opb_size[pass].opaque == 0) ? REGION_ARRAY__LIST_POINTER__EMPTY :
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(ol_base[pass] + (opb_size[pass].opaque * tile_index)
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);
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region_array[ix].opaque_modifier_volume_list_pointer = (opb_size[pass].opaque_modifier == 0) ? REGION_ARRAY__LIST_POINTER__EMPTY :
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(ol_base[pass] + num_tiles * ( opb_size[pass].opaque
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)
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+ (opb_size[pass].opaque_modifier * tile_index)
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);
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region_array[ix].translucent_list_pointer = (opb_size[pass].translucent == 0) ? REGION_ARRAY__LIST_POINTER__EMPTY :
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(ol_base[pass] + num_tiles * ( opb_size[pass].opaque
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+ opb_size[pass].opaque_modifier
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)
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+ (opb_size[pass].translucent * tile_index)
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);
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region_array[ix].translucent_modifier_volume_list_pointer = (opb_size[pass].translucent_modifier == 0) ? REGION_ARRAY__LIST_POINTER__EMPTY :
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(ol_base[pass] + num_tiles * ( opb_size[pass].opaque
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+ opb_size[pass].opaque_modifier
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+ opb_size[pass].translucent
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)
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+ (opb_size[pass].translucent_modifier * tile_index)
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);
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region_array[ix].punch_through_list_pointer = (opb_size[pass].punch_through == 0) ? REGION_ARRAY__LIST_POINTER__EMPTY :
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(ol_base[pass] + num_tiles * ( opb_size[pass].opaque
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+ opb_size[pass].opaque_modifier
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+ opb_size[pass].translucent
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+ opb_size[pass].translucent_modifier
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)
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+ (opb_size[pass].punch_through * tile_index)
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);
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ix += 1;
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}
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}
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}
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}
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