364 lines
13 KiB
C++
364 lines
13 KiB
C++
#include "holly/texture_memory_alloc.hpp"
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#include "holly/holly.hpp"
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#include "holly/core.hpp"
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#include "holly/core_bits.hpp"
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#include "holly/ta_fifo_polygon_converter.hpp"
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#include "holly/ta_parameter.hpp"
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#include "holly/ta_global_parameter.hpp"
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#include "holly/ta_vertex_parameter.hpp"
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#include "holly/ta_bits.hpp"
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#include "holly/isp_tsp.hpp"
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#include "holly/region_array.hpp"
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#include "holly/background.hpp"
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#include "holly/video_output.hpp"
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#include "memorymap.hpp"
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#include "twiddle.hpp"
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#include "sh7091/store_queue.hpp"
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#include "math/vec2.hpp"
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#include "wolf2.hpp"
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#include "strawberry.hpp"
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/*
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a
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s q
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c r b
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saq
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qbr
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rcs
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*/
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using vec2 = vec<2, float>;
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uint32_t tris;
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uint32_t max_tris;
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void triangle(vec2 a, vec2 b, vec2 c, const uint32_t base_color)
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{
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const uint32_t parameter_control_word = para_control::para_type::polygon_or_modifier_volume
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| para_control::list_type::opaque
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| obj_control::col_type::packed_color
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| obj_control::shadow
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| obj_control::volume::polygon::with_two_volumes
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| obj_control::texture;
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const uint32_t isp_tsp_instruction_word = isp_tsp_instruction_word::depth_compare_mode::greater
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| isp_tsp_instruction_word::culling_mode::no_culling;
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const uint32_t tsp_instruction_word = tsp_instruction_word::src_alpha_instr::one
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| tsp_instruction_word::dst_alpha_instr::zero
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| tsp_instruction_word::fog_control::no_fog
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| tsp_instruction_word::texture_u_size::from_int(1024)
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| tsp_instruction_word::texture_v_size::from_int(1024);
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const uint32_t texture_address_0 = texture_memory_alloc::texture.start + 1024 * 1024 * 0;
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const uint32_t texture_control_word_0 = texture_control_word::pixel_format::_8bpp_palette
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| texture_control_word::scan_order::twiddled
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| texture_control_word::texture_address(texture_address_0 / 8)
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| texture_control_word::palette_selector8(0);
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const uint32_t texture_address_1 = texture_memory_alloc::texture.start + 1024 * 1024 * 1;
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const uint32_t texture_control_word_1 = texture_control_word::pixel_format::_8bpp_palette
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| texture_control_word::scan_order::twiddled
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| texture_control_word::texture_address(texture_address_1 / 8)
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| texture_control_word::palette_selector8(1);
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*reinterpret_cast<ta_global_parameter::polygon_type_3 *>(store_queue) =
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ta_global_parameter::polygon_type_3(parameter_control_word,
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isp_tsp_instruction_word,
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tsp_instruction_word, // tsp_instruction_word_0
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texture_control_word_0, // texture_control_word_0
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tsp_instruction_word, // tsp_instruction_word_1
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texture_control_word_1, // texture_control_word_1
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0, // data_size_for_sort_dma
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0 // next_address_for_sort_dma
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);
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sq_transfer_32byte(ta_fifo_polygon_converter);
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*reinterpret_cast<ta_vertex_parameter::polygon_type_11 *>(store_queue) =
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ta_vertex_parameter::polygon_type_11(polygon_vertex_parameter_control_word(false),
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a.x, a.y, 2.0f, // x, y, z
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0.5f, 1.0f, // u, v
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base_color, 0,
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0.5f, 1.0f, // u, v
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base_color, 0);
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sq_transfer_64byte(ta_fifo_polygon_converter);
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*reinterpret_cast<ta_vertex_parameter::polygon_type_11 *>(store_queue) =
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ta_vertex_parameter::polygon_type_11(polygon_vertex_parameter_control_word(false),
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b.x, b.y, 2.0f, // x, y, z
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0.0f, 0.11111975f, // u, v
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base_color, 0,
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0.0f, 0.11111975f, // u, v
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base_color, 0);
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sq_transfer_64byte(ta_fifo_polygon_converter);
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*reinterpret_cast<ta_vertex_parameter::polygon_type_11 *>(store_queue) =
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ta_vertex_parameter::polygon_type_11(polygon_vertex_parameter_control_word(true), // end_of_strip
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c.x, c.y, 2.0f, // x, y, z
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1.0f, 0.11111975f, // u, v
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base_color, 0,
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1.0f, 0.11111975f, // u, v
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base_color, 0);
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sq_transfer_64byte(ta_fifo_polygon_converter);
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}
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vec2 midpoint(vec2 a, vec2 b)
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{
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return {(a.x + b.x) / 2.f, (a.y + b.y) / 2.f};
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}
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constexpr uint32_t yellow = 0xfff0f000;
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constexpr uint32_t blue = 0xff0000ff;
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constexpr uint32_t green = 0xff00ff00;
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void shadow_volume(vec2 a, vec2 b, vec2 c)
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{
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const uint32_t parameter_control_word = para_control::para_type::polygon_or_modifier_volume
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| para_control::list_type::opaque_modifier_volume;
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const uint32_t isp_tsp_instruction_word = isp_tsp_instruction_word::volume_instruction::normal_polygon
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| isp_tsp_instruction_word::culling_mode::no_culling;
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*reinterpret_cast<ta_global_parameter::modifier_volume *>(store_queue) =
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ta_global_parameter::modifier_volume(parameter_control_word,
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isp_tsp_instruction_word
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);
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sq_transfer_32byte(ta_fifo_polygon_converter);
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// top
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*reinterpret_cast<ta_vertex_parameter::modifier_volume *>(store_queue) =
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ta_vertex_parameter::modifier_volume(modifier_volume_vertex_parameter_control_word(),
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a.x, a.y, 1.0f,
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b.x, b.y, 1.0f,
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c.x, c.y, 1.0f);
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sq_transfer_64byte(ta_fifo_polygon_converter);
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// at--ab
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// \/_\ .
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// ct bt bb
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*reinterpret_cast<ta_vertex_parameter::modifier_volume *>(store_queue) =
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ta_vertex_parameter::modifier_volume(modifier_volume_vertex_parameter_control_word(),
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a.x, a.y, 1.0f,
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a.x, a.y, 3.0f,
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b.x, b.y, 1.0f);
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sq_transfer_64byte(ta_fifo_polygon_converter);
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*reinterpret_cast<ta_vertex_parameter::modifier_volume *>(store_queue) =
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ta_vertex_parameter::modifier_volume(modifier_volume_vertex_parameter_control_word(),
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a.x, a.y, 3.0f,
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b.x, b.y, 3.0f,
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b.x, b.y, 1.0f);
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sq_transfer_64byte(ta_fifo_polygon_converter);
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// ab--at
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// | / |
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// cb--ct bt
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*reinterpret_cast<ta_vertex_parameter::modifier_volume *>(store_queue) =
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ta_vertex_parameter::modifier_volume(modifier_volume_vertex_parameter_control_word(),
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a.x, a.y, 1.0f,
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c.x, c.y, 3.0f,
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a.x, a.y, 3.0f);
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sq_transfer_64byte(ta_fifo_polygon_converter);
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*reinterpret_cast<ta_vertex_parameter::modifier_volume *>(store_queue) =
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ta_vertex_parameter::modifier_volume(modifier_volume_vertex_parameter_control_word(),
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a.x, a.y, 1.0f,
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c.x, c.y, 1.0f,
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c.x, c.y, 3.0f);
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sq_transfer_64byte(ta_fifo_polygon_converter);
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// at
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//
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// ct--bt
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// | \ |
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// cb--bb
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*reinterpret_cast<ta_vertex_parameter::modifier_volume *>(store_queue) =
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ta_vertex_parameter::modifier_volume(modifier_volume_vertex_parameter_control_word(),
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c.x, c.y, 1.0f,
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b.x, b.y, 1.0f,
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b.x, b.y, 3.0f);
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sq_transfer_64byte(ta_fifo_polygon_converter);
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*reinterpret_cast<ta_vertex_parameter::modifier_volume *>(store_queue) =
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ta_vertex_parameter::modifier_volume(modifier_volume_vertex_parameter_control_word(),
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c.x, c.y, 1.0f,
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b.x, b.y, 3.0f,
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c.x, c.y, 3.0f);
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sq_transfer_64byte(ta_fifo_polygon_converter);
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const uint32_t last_parameter_control_word = para_control::para_type::polygon_or_modifier_volume
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| para_control::list_type::opaque_modifier_volume
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| obj_control::volume::modifier_volume::last_in_volume;
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const uint32_t last_isp_tsp_instruction_word = isp_tsp_instruction_word::volume_instruction::inside_last_polygon
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| isp_tsp_instruction_word::culling_mode::no_culling;
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*reinterpret_cast<ta_global_parameter::modifier_volume *>(store_queue) =
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ta_global_parameter::modifier_volume(last_parameter_control_word,
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last_isp_tsp_instruction_word
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);
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sq_transfer_32byte(ta_fifo_polygon_converter);
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// bottom
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*reinterpret_cast<ta_vertex_parameter::modifier_volume *>(store_queue) =
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ta_vertex_parameter::modifier_volume(modifier_volume_vertex_parameter_control_word(),
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a.x, a.y, 3.0f,
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b.x, b.y, 3.0f,
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c.x, c.y, 3.0f);
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sq_transfer_64byte(ta_fifo_polygon_converter);
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}
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void subdivide(vec2 a, vec2 b, vec2 c, int depth)
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{
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vec2 q = midpoint(a, b);
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vec2 r = midpoint(b, c);
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vec2 s = midpoint(c, a);
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//triangle(s, a, q, green);
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//triangle(q, b, r, green);
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//triangle(r, c, s, green);
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if (depth <= 0)
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return;
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subdivide(s, a, q, depth - 1);
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subdivide(q, b, r, depth - 1);
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subdivide(r, c, s, depth - 1);
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if (tris++ > max_tris)
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return;
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shadow_volume(q, r, s);
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}
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vec2 transform(vec2 v, float theta)
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{
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v.x -= 320.f;
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v.y -= 240.f;
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float x = v.x * __builtin_cosf(theta) - v.y * __builtin_sinf(theta);
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float y = v.x * __builtin_sinf(theta) + v.y * __builtin_cosf(theta);
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return {x + 320.f, y + 240.f};
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}
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void copy_texture(const uint8_t * src, volatile uint32_t * texture)
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{
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constexpr uint32_t size = 1024 * 1024 / 4;
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uint32_t temp[size];
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twiddle::texture(reinterpret_cast<uint8_t *>(temp), src, 1024, 1024);
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for (uint32_t i = 0; i < size; i++) {
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texture[i] = temp[i];
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}
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}
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void copy_palette(const uint8_t * src, const uint32_t palette)
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{
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for (uint32_t i = 0; i < 256; i++) {
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uint8_t a = 255;
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uint8_t r = src[i * 3 + 0];
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uint8_t g = src[i * 3 + 1];
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uint8_t b = src[i * 3 + 2];
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holly.PALETTE_RAM[palette * 256 + i] = (a << 24) | (r << 16) | (g << 8) | (b << 0);
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}
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}
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void copy_textures_palettes()
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{
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auto texture = reinterpret_cast<volatile uint32_t *>(&texture_memory64[texture_memory_alloc::texture.start / 4]);
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auto wolf_src = reinterpret_cast<const uint8_t *>(&_binary_wolf2_data_start);
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auto wolf_pal_src = reinterpret_cast<const uint8_t *>(&_binary_wolf2_data_pal_start);
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auto wolf_texture = &texture[1024 * 1024 / 4 * 1];
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copy_texture(wolf_src, wolf_texture);
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copy_palette(wolf_pal_src, 1);
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auto strawberry_src = reinterpret_cast<const uint8_t *>(&_binary_strawberry_data_start);
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auto strawberry_pal_src = reinterpret_cast<const uint8_t *>(&_binary_strawberry_data_pal_start);
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auto strawberry_texture = &texture[1024 * 1024 / 4 * 0];
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copy_texture(strawberry_src, strawberry_texture);
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copy_palette(strawberry_pal_src, 0);
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}
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void main()
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{
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video_output::set_mode_vga();
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constexpr uint32_t ta_alloc = ta_alloc_ctrl::pt_opb::no_list
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| ta_alloc_ctrl::tm_opb::no_list
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| ta_alloc_ctrl::t_opb::no_list
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| ta_alloc_ctrl::om_opb::_16x4byte
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| ta_alloc_ctrl::o_opb::_16x4byte;
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constexpr struct opb_size opb_size = { .opaque = 16 * 4
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, .opaque_modifier = 16 * 4
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, .translucent = 0
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, .translucent_modifier = 0
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, .punch_through = 0
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};
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holly.SOFTRESET = softreset::pipeline_soft_reset
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| softreset::ta_soft_reset;
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holly.SOFTRESET = 0;
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core_init();
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region_array2(640 / 32, 480 / 32, opb_size);
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background_parameter(0xff0000ff);
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holly.PAL_RAM_CTRL = pal_ram_ctrl::pixel_format::argb8888;
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holly.FPU_SHAD_SCALE = fpu_shad_scale::simple_shadow_enable::parameter_selection_volume_mode;
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copy_textures_palettes();
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uint32_t frame_ix = 0;
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float theta = 0;
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constexpr float half_degree = 0.01745329f / 2.f;
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constexpr uint32_t reset_tris = 364 + 1;
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max_tris = 0;
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uint32_t frame = 0;
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while (true) {
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tris = 0;
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vec2 a = transform({320.000f, 5.f}, theta);
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vec2 b = transform({519.186f, 355.f}, theta);
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vec2 c = transform({120.814f, 355.f}, theta);
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if ((frame++ % 10) == 0) {
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if (max_tris > reset_tris) {
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max_tris = 0;
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}
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max_tris += 1;
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}
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theta += half_degree / 4;
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ta_polygon_converter_init(opb_size.total(),
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ta_alloc,
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640 / 32,
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480 / 32);
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triangle(a, b, c, yellow);
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// end of opaque list
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*reinterpret_cast<ta_global_parameter::end_of_list *>(store_queue) =
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ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
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sq_transfer_32byte(ta_fifo_polygon_converter);
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subdivide(a, b, c, 6);
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// end of opaque modifier list
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*reinterpret_cast<ta_global_parameter::end_of_list *>(store_queue) =
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ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
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sq_transfer_32byte(ta_fifo_polygon_converter);
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ta_wait_opaque_modifier_volume_list();
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core_start_render(frame_ix);
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core_wait_end_of_render_video();
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while (!spg_status::vsync(holly.SPG_STATUS));
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core_flip(frame_ix);
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while (spg_status::vsync(holly.SPG_STATUS));
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frame_ix = (frame_ix + 1) & 1;
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}
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}
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