378 lines
14 KiB
C++
378 lines
14 KiB
C++
#include <cstdint>
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#include "align.hpp"
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#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/serial.hpp"
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#include "texture/bbb/bbb1024.data.h"
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#include "texture/bbb/bbb128.data.h"
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#include "texture/bbb/bbb16.data.h"
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#include "texture/bbb/bbb1.data.h"
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#include "texture/bbb/bbb256.data.h"
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#include "texture/bbb/bbb2.data.h"
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#include "texture/bbb/bbb32.data.h"
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#include "texture/bbb/bbb4.data.h"
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#include "texture/bbb/bbb512.data.h"
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#include "texture/bbb/bbb64.data.h"
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#include "texture/bbb/bbb8.data.h"
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#include "texture/bbb/bbb.data.h"
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struct vertex {
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float x;
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float y;
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float z;
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float u;
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float v;
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uint32_t color;
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};
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const struct vertex strip_vertices[4] = {
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// [ position ] [ uv coordinates ] [color ]
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{ -0.5f, -0.5f, 0.f, 0.f, 0.f, 0xffffffff},
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{ 0.5f, -0.5f, 0.f, 1.f, 0.f, 0xffffffff},
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{ -0.5f, 0.5f, 0.f, 0.f, 1.f, 0xffffffff},
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{ 0.5f, 0.5f, 0.f, 1.f, 1.f, 0xffffffff},
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};
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constexpr uint32_t strip_length = (sizeof (strip_vertices)) / (sizeof (struct vertex));
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static float theta = 0;
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constexpr float half_degree = 0.01745329f / 2.f;
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namespace defaults {
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//constexpr uint32_t parameter_control_word = para_control::para_type::sprite
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constexpr uint32_t parameter_control_word = para_control::para_type::polygon_or_modifier_volume
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| obj_control::col_type::packed_color
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| obj_control::texture
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;
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//| obj_control::_16bit_uv;
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constexpr 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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constexpr uint32_t tsp_instruction_word = tsp_instruction_word::src_select::primary_accumulation_buffer
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| tsp_instruction_word::dst_select::primary_accumulation_buffer
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| tsp_instruction_word::fog_control::no_fog
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| tsp_instruction_word::texture_u_size::_1024
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| tsp_instruction_word::texture_v_size::_1024;
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constexpr uint32_t texture_address = texture_memory_alloc::texture.start;
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constexpr uint32_t texture_control_word = texture_control_word::mip_mapped
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| texture_control_word::pixel_format::_565
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| texture_control_word::scan_order::twiddled
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| texture_control_word::texture_address(texture_address / 8);
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}
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void append_parameter(ta_parameter_writer& parameter,
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const uint32_t parameter_control_word,
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const uint32_t isp_tsp_instruction_word,
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const uint32_t tsp_instruction_word,
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const uint32_t texture_control_word)
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{
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parameter.append<ta_global_parameter::polygon_type_0>() =
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ta_global_parameter::polygon_type_0(parameter_control_word,
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isp_tsp_instruction_word,
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tsp_instruction_word,
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texture_control_word,
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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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/*
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constexpr uint32_t base_color = 0xffff0000;
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parameter.append<ta_global_parameter::sprite>() =
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ta_global_parameter::sprite(parameter_control_word,
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isp_tsp_instruction_word,
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tsp_instruction_word,
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texture_control_word,
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base_color,
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0, // offset_color
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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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}
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void append_point_sampled(ta_parameter_writer& parameter)
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{
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const uint32_t parameter_control_word = defaults::parameter_control_word
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| para_control::list_type::opaque;
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const uint32_t isp_tsp_instruction_word = defaults::isp_tsp_instruction_word;
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const uint32_t tsp_instruction_word = defaults::tsp_instruction_word
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| 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::filter_mode::point_sampled;
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const uint32_t texture_control_word = defaults::texture_control_word;
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append_parameter(parameter, parameter_control_word, isp_tsp_instruction_word, tsp_instruction_word, texture_control_word);
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}
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void append_bilinear(ta_parameter_writer& parameter)
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{
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const uint32_t parameter_control_word = defaults::parameter_control_word
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| para_control::list_type::opaque;
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const uint32_t isp_tsp_instruction_word = defaults::isp_tsp_instruction_word;
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const uint32_t tsp_instruction_word = defaults::tsp_instruction_word
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| 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::filter_mode::bilinear_filter;
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const uint32_t texture_control_word = defaults::texture_control_word;
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append_parameter(parameter, parameter_control_word, isp_tsp_instruction_word, tsp_instruction_word, texture_control_word);
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}
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void append_trilinear_pass_a(ta_parameter_writer& parameter)
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{
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const uint32_t parameter_control_word = defaults::parameter_control_word
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| para_control::list_type::opaque;
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const uint32_t isp_tsp_instruction_word = defaults::isp_tsp_instruction_word;
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const uint32_t tsp_instruction_word = defaults::tsp_instruction_word
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| 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::filter_mode::trilinear_pass_a;
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const uint32_t texture_control_word = defaults::texture_control_word;
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append_parameter(parameter, parameter_control_word, isp_tsp_instruction_word, tsp_instruction_word, texture_control_word);
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}
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void append_trilinear_pass_b(ta_parameter_writer& parameter)
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{
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const uint32_t parameter_control_word = defaults::parameter_control_word
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| para_control::list_type::translucent;
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const uint32_t isp_tsp_instruction_word = defaults::isp_tsp_instruction_word;
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const uint32_t tsp_instruction_word = defaults::tsp_instruction_word
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| tsp_instruction_word::src_alpha_instr::one
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| tsp_instruction_word::dst_alpha_instr::one
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| tsp_instruction_word::filter_mode::trilinear_pass_b;
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const uint32_t texture_control_word = defaults::texture_control_word;
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append_parameter(parameter, parameter_control_word, isp_tsp_instruction_word, tsp_instruction_word, texture_control_word);
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}
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enum class filter_type {
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point_sampled,
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bilinear,
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trilinear_pass_a,
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trilinear_pass_b,
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};
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void transform(ta_parameter_writer& parameter,
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const vertex * strip_vertices,
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const uint32_t strip_length,
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enum filter_type filter
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)
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{
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switch (filter) {
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case filter_type::point_sampled: append_point_sampled(parameter); break;
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case filter_type::bilinear: append_bilinear(parameter); break;
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case filter_type::trilinear_pass_a: append_trilinear_pass_a(parameter); break;
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case filter_type::trilinear_pass_b: append_trilinear_pass_b(parameter); break;
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}
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//struct vertex v[strip_length];
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for (uint32_t i = 0; i < strip_length; i++) {
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float x = strip_vertices[i].x;
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float y = strip_vertices[i].y;
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float z = strip_vertices[i].z;
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float x1;
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x1 = x * __builtin_cosf(theta / 5.f) - z * __builtin_sinf(theta / 5.f);
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z = x * __builtin_sinf(theta / 5.f) + z * __builtin_cosf(theta / 5.f);
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x = x1;
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x *= 1024.f * (__builtin_cosf(theta / 10.f) + 1.0f);
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y *= 1024.f * (__builtin_cosf(theta / 10.f) + 1.0f);
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x += 320.f;
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y += 240.f;
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z = 1.f / (z + 10.f);
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bool end_of_strip = i == strip_length - 1;
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parameter.append<ta_vertex_parameter::polygon_type_3>() =
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ta_vertex_parameter::polygon_type_3(polygon_vertex_parameter_control_word(end_of_strip),
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x, y, z,
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strip_vertices[i].u,
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strip_vertices[i].v,
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strip_vertices[i].color,
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0 // offset_color
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);
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/*
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v[i].x = x;
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v[i].y = y;
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v[i].z = z;
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v[i].u = strip_vertices[i].u;
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v[i].v = strip_vertices[i].v;
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*/
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}
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/*
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parameter.append<ta_vertex_parameter::sprite_type_1>() =
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ta_vertex_parameter::sprite_type_1(para_control::para_type::vertex_parameter,
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v[0].x,
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v[0].y,
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v[0].z,
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v[1].x,
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v[1].y,
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v[1].z,
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v[2].x,
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v[2].y,
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v[2].z,
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v[3].x,
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v[3].y,
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uv_16bit(v[0].u, v[0].v),
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uv_16bit(v[1].u, v[1].v),
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uv_16bit(v[2].u, v[2].v));
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*/
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parameter.append<ta_global_parameter::end_of_list>() = ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
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}
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void init_texture_memory(const struct opb_size& opb_size)
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{
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region_array2(640 / 32, // width
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480 / 32, // height
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opb_size
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);
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background_parameter(0xff00ff00);
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}
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uint8_t const * const mips[] = {
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reinterpret_cast<uint8_t *>(&_binary_texture_bbb_bbb1_data_start),
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reinterpret_cast<uint8_t *>(&_binary_texture_bbb_bbb2_data_start),
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reinterpret_cast<uint8_t *>(&_binary_texture_bbb_bbb4_data_start),
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reinterpret_cast<uint8_t *>(&_binary_texture_bbb_bbb8_data_start),
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reinterpret_cast<uint8_t *>(&_binary_texture_bbb_bbb16_data_start),
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reinterpret_cast<uint8_t *>(&_binary_texture_bbb_bbb32_data_start),
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reinterpret_cast<uint8_t *>(&_binary_texture_bbb_bbb64_data_start),
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reinterpret_cast<uint8_t *>(&_binary_texture_bbb_bbb128_data_start),
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reinterpret_cast<uint8_t *>(&_binary_texture_bbb_bbb256_data_start),
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reinterpret_cast<uint8_t *>(&_binary_texture_bbb_bbb512_data_start),
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reinterpret_cast<uint8_t *>(&_binary_texture_bbb_bbb1024_data_start)
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};
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void _copy_bbb_texture(uint32_t dst_offset, uint8_t const * const src, uint32_t mip)
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{
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auto area = mip * mip;
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uint16_t temp[area];
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for (uint32_t px = 0; px < area; px++) {
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uint8_t r = src[px * 3 + 0];
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uint8_t g = src[px * 3 + 1];
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uint8_t b = src[px * 3 + 2];
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uint16_t rgb565 = ((r / 8) << 11) | ((g / 4) << 5) | ((b / 8) << 0);
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temp[px] = rgb565;
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}
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auto texture = reinterpret_cast<volatile uint16_t *>(&texture_memory64[texture_memory_alloc::texture.start / 4]);
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auto dst = &texture[dst_offset / 2];
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twiddle::texture(dst, temp, mip, mip);
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}
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void copy_bbb_texture()
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{
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uint32_t dst_offset = 6;
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uint32_t ix = 0;
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for (uint32_t mip = 1; mip <= 1024; mip *= 2) {
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_copy_bbb_texture(dst_offset, mips[ix], mip);
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ix += 1;
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dst_offset += mip * mip * 2;
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}
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}
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uint32_t _ta_parameter_buf[((32 * (strip_length + 2)) + 32) / 4];
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void main()
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{
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video_output::set_mode_vga();
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holly.TEXT_CONTROL = text_control::bank_bit(0);
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// The address of `ta_parameter_buf` must be a multiple of 32 bytes.
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// This is mandatory for ch2-dma to the ta fifo polygon converter.
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uint32_t * ta_parameter_buf = align_32byte(_ta_parameter_buf);
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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::_16x4byte
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| ta_alloc_ctrl::om_opb::no_list
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| ta_alloc_ctrl::o_opb::_16x4byte
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;
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constexpr struct opb_size opb_size = { .opaque = 16 * 4
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, .opaque_modifier = 0
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//, .translucent = 16 * 4
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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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init_texture_memory(opb_size);
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copy_bbb_texture();
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uint32_t frame_ix = 0;
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while (true) {
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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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{
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auto parameter = ta_parameter_writer(ta_parameter_buf);
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transform(parameter, strip_vertices, strip_length, filter_type::trilinear_pass_a);
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ta_polygon_converter_transfer(ta_parameter_buf, parameter.offset);
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ta_wait_opaque_list();
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}
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/*
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{
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auto parameter = ta_parameter_writer(ta_parameter_buf);
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parameter.append<ta_global_parameter::end_of_list>() = ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
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//transform(parameter, strip_vertices, strip_length, filter_type::trilinear_pass_b);
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ta_polygon_converter_transfer(ta_parameter_buf, parameter.offset);
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ta_wait_translucent_list();
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}
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*/
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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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theta += half_degree;
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frame_ix = (frame_ix + 1) & 1;
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}
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}
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