539 lines
15 KiB
C++
539 lines
15 KiB
C++
#include <stdint.h>
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#include "holly/background.hpp"
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#include "holly/core.hpp"
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#include "holly/core_bits.hpp"
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#include "holly/holly.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/ta_bits.hpp"
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#include "holly/ta_fifo_polygon_converter.hpp"
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#include "holly/ta_global_parameter.hpp"
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#include "holly/ta_parameter.hpp"
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#include "holly/ta_vertex_parameter.hpp"
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#include "holly/texture_memory_alloc4.hpp"
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#include "holly/video_output.hpp"
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#include "sh7091/sh7091.hpp"
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#include "sh7091/sh7091_bits.hpp"
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#include "sh7091/serial.hpp"
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#include "sh7091/vbr.hpp"
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#include "systembus.hpp"
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#include "systembus_bits.hpp"
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#include "memorymap.hpp"
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#include "math/vec2.hpp"
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#include "math/vec3.hpp"
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#include "math/vec4.hpp"
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#include "math/mat4x4.hpp"
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using vec2 = vec<2, float>;
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using vec3 = vec<3, float>;
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using vec4 = vec<4, float>;
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using mat4x4 = mat<4, 4, float>;
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#include "model/model.h"
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#include "model/moai/material.h"
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#include "model/moai/model.h"
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void vbr100()
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{
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serial::string("vbr100\n");
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serial::string("expevt ");
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serial::integer<uint16_t>(sh7091.CCN.EXPEVT);
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serial::string("intevt ");
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serial::integer<uint16_t>(sh7091.CCN.INTEVT);
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serial::string("tra ");
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serial::integer<uint16_t>(sh7091.CCN.TRA);
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uint32_t spc;
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uint32_t ssr;
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asm volatile ("stc spc,%0" : "=r" (spc));
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asm volatile ("stc ssr,%0" : "=r" (ssr));
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serial::string("spc ");
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serial::integer(spc);
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serial::string("ssr ");
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serial::integer(ssr);
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while (1);
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}
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void vbr400()
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{
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serial::string("vbr400\n");
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serial::string("expevt ");
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serial::integer<uint16_t>(sh7091.CCN.EXPEVT);
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serial::string("intevt ");
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serial::integer<uint16_t>(sh7091.CCN.INTEVT);
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serial::string("tra ");
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serial::integer<uint16_t>(sh7091.CCN.TRA);
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uint32_t spc;
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uint32_t ssr;
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asm volatile ("stc spc,%0" : "=r" (spc));
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asm volatile ("stc ssr,%0" : "=r" (ssr));
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serial::string("spc ");
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serial::integer(spc);
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serial::string("ssr ");
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serial::integer(ssr);
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while (1);
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}
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static int render_done = 0;
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void vbr600()
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{
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if (sh7091.CCN.EXPEVT == 0 && sh7091.CCN.INTEVT == 0x320) {
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uint32_t istnrm = system.ISTNRM;
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uint32_t isterr = system.ISTERR;
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if (isterr) {
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serial::string("isterr: ");
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serial::integer<uint32_t>(system.ISTERR);
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}
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if (istnrm & istnrm::end_of_render_tsp) {
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system.ISTNRM = istnrm::end_of_render_tsp
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| istnrm::end_of_render_isp
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| istnrm::end_of_render_video;
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render_done = 1;
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return;
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}
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}
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serial::string("vbr600\n");
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serial::string("expevt ");
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serial::integer<uint16_t>(sh7091.CCN.EXPEVT);
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serial::string("intevt ");
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serial::integer<uint16_t>(sh7091.CCN.INTEVT);
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serial::string("tra ");
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serial::integer<uint16_t>(sh7091.CCN.TRA);
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serial::string("istnrm: ");
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serial::integer<uint32_t>(system.ISTNRM);
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serial::string("isterr: ");
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serial::integer<uint32_t>(system.ISTERR);
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uint32_t spc;
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uint32_t ssr;
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asm volatile ("stc spc,%0" : "=r" (spc));
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asm volatile ("stc ssr,%0" : "=r" (ssr));
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serial::string("spc ");
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serial::integer(spc);
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serial::string("ssr ");
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serial::integer(ssr);
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while (1);
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}
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void interrupt_init()
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{
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system.IML2NRM = 0;
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system.IML2ERR = 0;
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system.IML2EXT = 0;
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system.IML4NRM = 0;
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system.IML4ERR = 0;
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system.IML4EXT = 0;
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system.IML6NRM = 0;
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system.IML6ERR = 0;
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system.IML6EXT = 0;
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system.ISTERR = 0xffffffff;
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system.ISTNRM = 0xffffffff;
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sh7091.CCN.INTEVT = 0;
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sh7091.CCN.EXPEVT = 0;
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uint32_t vbr = reinterpret_cast<uint32_t>(&__vbr_link_start) - 0x100;
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serial::string("vbr ");
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serial::integer<uint32_t>(vbr);
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serial::string("vbr100 ");
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serial::integer<uint32_t>(reinterpret_cast<uint32_t>(&vbr100));
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asm volatile ("ldc %0,vbr"
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:
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: "r" (vbr));
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uint32_t sr;
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asm volatile ("stc sr,%0"
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: "=r" (sr));
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serial::string("sr ");
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serial::integer<uint32_t>(sr);
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sr &= ~sh::sr::bl; // BL
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sr &= ~sh::sr::imask(15); // imask
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serial::string("sr ");
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serial::integer<uint32_t>(sr);
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asm volatile ("ldc %0,sr"
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:
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: "r" (sr));
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}
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void global_polygon_type_1(ta_parameter_writer& writer,
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uint32_t texture_address,
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uint32_t list,
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uint32_t cull)
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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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| list
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| obj_control::col_type::intensity_mode_1
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| obj_control::gouraud
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;
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const uint32_t isp_tsp_instruction_word = isp_tsp_instruction_word::depth_compare_mode::greater
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| cull;
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const uint32_t tsp_instruction_word = tsp_instruction_word::fog_control::no_fog
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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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;
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const uint32_t texture_control_word = 0;
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const float alpha = 1.0f;
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const float r = 0.6f;
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const float g = 0.6f;
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const float b = 0.6f;
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writer.append<ta_global_parameter::polygon_type_1>() =
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ta_global_parameter::polygon_type_1(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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alpha,
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r,
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g,
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b
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);
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}
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static inline vec3 screen_transform(vec3 v)
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{
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float dim = 480 / 2.0;
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return {
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v.x / v.z * dim + 640 / 2.0f,
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v.y / v.z * dim + 480 / 2.0f,
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1 / v.z,
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};
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}
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static inline void render_quad(ta_parameter_writer& writer,
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vec3 ap,
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vec3 bp,
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vec3 cp,
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vec3 dp,
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float ai,
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float bi,
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float ci,
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float di)
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{
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writer.append<ta_vertex_parameter::polygon_type_2>() =
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ta_vertex_parameter::polygon_type_2(polygon_vertex_parameter_control_word(false),
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ap.x, ap.y, ap.z,
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ai);
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writer.append<ta_vertex_parameter::polygon_type_2>() =
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ta_vertex_parameter::polygon_type_2(polygon_vertex_parameter_control_word(false),
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bp.x, bp.y, bp.z,
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bi);
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writer.append<ta_vertex_parameter::polygon_type_2>() =
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ta_vertex_parameter::polygon_type_2(polygon_vertex_parameter_control_word(false),
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dp.x, dp.y, dp.z,
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di);
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writer.append<ta_vertex_parameter::polygon_type_2>() =
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ta_vertex_parameter::polygon_type_2(polygon_vertex_parameter_control_word(true),
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cp.x, cp.y, cp.z,
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ci);
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}
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constexpr inline mat4x4 screen_rotation(float theta)
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{
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//float zt = -0.7853981633974483 + (0.2);
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float zt = -0.7853981633974483 * 0;
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float yt = -0.7853981633974483 * theta;
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float xt = 0.7853981633974483 * 4;
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//float xt = 0.7853981633974483 * 3.7;
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mat4x4 rx = {
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1, 0, 0, 0,
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0, cos(xt), -sin(xt), 0,
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0, sin(xt), cos(xt), 0,
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0, 0, 0, 1,
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};
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mat4x4 ry = {
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cos(yt), 0, sin(yt), 0,
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0, 1, 0, 0,
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-sin(yt), 0, cos(yt), 0,
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0, 0, 0, 1,
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};
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mat4x4 rz = {
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cos(zt), -sin(zt), 0, 0,
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sin(zt), cos(zt), 0, 0,
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0, 0, 1, 0,
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0, 0, 0, 1,
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};
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mat4x4 t = {
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1, 0, 0, 0,
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0, 1, 0, 5.5,
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0, 0, 1, 8.5,
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0, 0, 0, 1,
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};
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return t * ry * rx * rz;
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}
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#define _fsrra(n) (1.0f / (__builtin_sqrtf(n)))
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static inline float inverse_length(vec3 v)
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{
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float f = dot(v, v);
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return _fsrra(f);
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}
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float light_intensity(vec3 light_vec, mat4x4& trans, vec3 n0)
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{
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vec4 n1 = trans * (vec4){n0.x, n0.y, n0.z, 0.f}; // no translation component
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vec3 n = {n1.x, n1.y, n1.z};
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float n_dot_l = dot(n, light_vec);
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float intensity = 0.5f;
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if (n_dot_l > 0) {
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intensity += 0.5f * n_dot_l * (inverse_length(n) * inverse_length(light_vec));
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if (intensity > 1.0f)
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intensity = 1.0f;
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}
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return intensity;
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}
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void render_moai(ta_parameter_writer& writer, const mat4x4& model_trans, const mat4x4& screen)
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{
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vec3 light_vec = {20, 1, -20};
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mat4x4 trans = screen * model_trans;
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for (int i = 0; i < moai_ranu_raku_grey.quadrilateral_count; i++) {
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//const union quadrilateral * quad = &moai_ranu_raku_grey_quadrilateral[i];
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const union quadrilateral * quad = &moai_ranu_raku_grey_1_quadrilateral[i];
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vec3 a = trans * moai_position[quad->v[0].position];
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vec3 b = trans * moai_position[quad->v[1].position];
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vec3 c = trans * moai_position[quad->v[2].position];
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vec3 d = trans * moai_position[quad->v[3].position];
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float ai = light_intensity(light_vec, trans, moai_normal[quad->v[0].normal]);
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float bi = light_intensity(light_vec, trans, moai_normal[quad->v[1].normal]);
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float ci = light_intensity(light_vec, trans, moai_normal[quad->v[2].normal]);
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float di = light_intensity(light_vec, trans, moai_normal[quad->v[3].normal]);
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render_quad(writer,
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screen_transform(a),
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screen_transform(b),
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screen_transform(c),
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screen_transform(d),
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ai,
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bi,
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ci,
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di);
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}
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}
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void transfer_scene(ta_parameter_writer& writer)
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{
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const float deg = 0.017453292519943295 / 4;
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static float theta = deg;
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const mat4x4 screen = screen_rotation(theta);
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theta += deg;
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// opaque
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{
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global_polygon_type_1(writer, texture_memory_alloc.texture.start,
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para_control::list_type::opaque,
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isp_tsp_instruction_word::culling_mode::cull_if_negative);
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float scale = 0.1f;
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float translate = 0.f;
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const mat4x4 model = {
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scale, 0, 0, 0,
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0, scale, 0, 0,
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0, 0, -scale, translate,
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0, 0, 0, 1,
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};
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render_moai(writer, model, screen);
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}
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// end of opaque list
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writer.append<ta_global_parameter::end_of_list>() =
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ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
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}
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void transfer_ta_fifo_texture_memory_32byte(void * dst, void * src, int length)
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{
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uint32_t out_addr = (uint32_t)dst;
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sh7091.CCN.QACR0 = ((reinterpret_cast<uint32_t>(out_addr) >> 24) & 0b11100);
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sh7091.CCN.QACR1 = ((reinterpret_cast<uint32_t>(out_addr) >> 24) & 0b11100);
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volatile uint32_t * base = &store_queue[(out_addr & 0x03ffffc0) / 4];
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uint32_t * src32 = reinterpret_cast<uint32_t *>(src);
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length = (length + 31) & ~31; // round up to nearest multiple of 32
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while (length > 0) {
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base[0] = src32[0];
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base[1] = src32[1];
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base[2] = src32[2];
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base[3] = src32[3];
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base[4] = src32[4];
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base[5] = src32[5];
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base[6] = src32[6];
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base[7] = src32[7];
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asm volatile ("pref @%0"
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: // output
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: "r" (&base[0]) // input
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: "memory");
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length -= 32;
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base += 8;
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src32 += 8;
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}
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}
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void transfer_textures()
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{
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system.LMMODE0 = 0; // 64-bit address space
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system.LMMODE1 = 0; // 64-bit address space
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/*
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{
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uint32_t offset = texture_memory_alloc.texture.start;
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void * dst = reinterpret_cast<void *>(&ta_fifo_texture_memory[offset / 4]);
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void * src = reinterpret_cast<void *>(&_binary_model_dragon_dragon_data_start);
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uint32_t size = reinterpret_cast<uint32_t>(&_binary_model_dragon_dragon_data_size);
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transfer_ta_fifo_texture_memory_32byte(dst, src, size);
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}
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{
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uint32_t offset = texture_memory_alloc.texture.start + 131072;
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void * dst = reinterpret_cast<void *>(&ta_fifo_texture_memory[offset / 4]);
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void * src = reinterpret_cast<void *>(&_binary_model_dragon_chrome_data_start);
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uint32_t size = reinterpret_cast<uint32_t>(&_binary_model_dragon_chrome_data_size);
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transfer_ta_fifo_texture_memory_32byte(dst, src, size);
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}
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*/
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}
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void transfer_palette()
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{
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holly.PAL_RAM_CTRL = pal_ram_ctrl::pixel_format::rgb565;
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/*
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uint16_t * src = reinterpret_cast<uint16_t *>(&_binary_model_dragon_dragon_data_pal_start);
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uint32_t size = reinterpret_cast<uint32_t>(&_binary_model_dragon_dragon_data_pal_size);
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for (uint32_t i = 0; i < size / 2; i++) {
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holly.PALETTE_RAM[i] = src[i];
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}
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*/
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}
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uint8_t __attribute__((aligned(32))) ta_parameter_buf[1024 * 1024];
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void main()
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{
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serial::init(0);
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serial::integer<uint32_t>((sizeof (moai_position)) / (sizeof (moai_position[0])));
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interrupt_init();
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constexpr uint32_t ta_alloc = 0
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| 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::no_list
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| ta_alloc_ctrl::o_opb::_16x4byte;
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constexpr int render_passes = 1;
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constexpr struct opb_size opb_size[render_passes] = {
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{
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.opaque = 16 * 4,
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.opaque_modifier = 0,
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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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};
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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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system.IML6NRM = istnrm::end_of_render_tsp;
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const int framebuffer_width = 640;
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const int framebuffer_height = 480;
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const int tile_width = framebuffer_width / 32;
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const int tile_height = framebuffer_height / 32;
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for (int i = 0; i < 2; i++) {
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region_array_multipass(tile_width,
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tile_height,
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opb_size,
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render_passes,
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texture_memory_alloc.region_array[i].start,
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texture_memory_alloc.object_list[i].start);
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background_parameter2(texture_memory_alloc.background[i].start,
|
|
0xff202040);
|
|
}
|
|
|
|
int ta = 0;
|
|
int core = 0;
|
|
|
|
ta_parameter_writer writer = ta_parameter_writer(ta_parameter_buf);
|
|
|
|
transfer_textures();
|
|
transfer_palette();
|
|
video_output::set_mode_vga();
|
|
|
|
while (1) {
|
|
ta_polygon_converter_init2(texture_memory_alloc.isp_tsp_parameters[ta].start,
|
|
texture_memory_alloc.isp_tsp_parameters[ta].end,
|
|
texture_memory_alloc.object_list[ta].start,
|
|
texture_memory_alloc.object_list[ta].end,
|
|
opb_size[0].total(),
|
|
ta_alloc,
|
|
tile_width,
|
|
tile_height);
|
|
writer.offset = 0;
|
|
transfer_scene(writer);
|
|
ta_polygon_converter_writeback(writer.buf, writer.offset);
|
|
ta_polygon_converter_transfer(writer.buf, writer.offset);
|
|
ta_wait_opaque_list();
|
|
|
|
render_done = 0;
|
|
core_start_render2(texture_memory_alloc.region_array[core].start,
|
|
texture_memory_alloc.isp_tsp_parameters[core].start,
|
|
texture_memory_alloc.background[core].start,
|
|
texture_memory_alloc.framebuffer[core].start,
|
|
framebuffer_width);
|
|
while (render_done == 0) {
|
|
asm volatile ("nop");
|
|
};
|
|
|
|
while (!spg_status::vsync(holly.SPG_STATUS));
|
|
holly.FB_R_SOF1 = texture_memory_alloc.framebuffer[ta].start;
|
|
while (spg_status::vsync(holly.SPG_STATUS));
|
|
}
|
|
}
|