477 lines
17 KiB
C++
477 lines
17 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_alloc3.hpp"
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#include "holly/video_output.hpp"
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#include "sh7091/serial.hpp"
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#include "sh7091/store_queue.hpp"
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#include "systembus.hpp"
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#include "systembus_bits.hpp"
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#include "memory.hpp"
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#include "model/model.h"
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#include "model/material.h"
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#include "model/speck/speck.data.h"
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#include "model/speck/white.data.h"
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#include "model/speck/material.h"
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#include "model/speck/model.h"
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using vec3 = vec<3, float>;
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using vec2 = vec<2, float>;
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const float degree = 0.017453292519943295;
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static float theta = 0;
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static int frame = 0;
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static inline vec3 transform_vertex(const vec3 vec, const vec3 translate, const float scale)
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{
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float xm = -vec.x * scale;
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float ym = -vec.y * scale;
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float zm = vec.z * scale;
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float x0 = xm * cos(theta) - zm * sin(theta);
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float y0 = ym;
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float z0 = xm * sin(theta) + zm * cos(theta);
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/*
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float x1 = x0 + translate.x;
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float y1 = y0 + translate.y;
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float z1 = z0 + translate.z;
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*/
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float x1 = x0;
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float y1 = y0 * cos(theta) - z0 * sin(theta);
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float z1 = y0 * sin(theta) + z0 * cos(theta);
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float x2 = x1;
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float y2 = y1;
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float z2 = z1 + 1.5;
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float x3 = x2 / z2;
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float y3 = y2 / z2;
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float z3 = 1.0 / z2;
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float x = x3 * 240 + 320;
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float y = y3 * 240 + 320 - 75;
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float z = z3;
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return {x, y, z};
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}
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static inline vec2 transform_uv(vec2 uv, float scale)
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{
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float x = uv.x * 1.3;// + ((float)frame * 0.003) * scale;
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float y = uv.y * 1.3;// + ((float)frame * 0.003) * scale;
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return {x, y};
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}
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static inline void transfer_triangle(ta_parameter_writer& writer,
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const vertex_position * position,
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const vertex_texture * texture,
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const union triangle * triangle,
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const uint32_t base_color,
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const vec3 translate,
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const float scale)
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{
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vec3 v1 = transform_vertex(position[triangle->a.position], translate, scale);
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vec2 uv1 = transform_uv(texture[triangle->a.texture], scale);
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writer.append<ta_vertex_parameter::polygon_type_3>() =
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ta_vertex_parameter::polygon_type_3(polygon_vertex_parameter_control_word(false),
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v1.x, v1.y, v1.z,
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uv1.x, uv1.y,
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base_color,
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0); // offset_color
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vec3 v2 = transform_vertex(position[triangle->b.position], translate, scale);
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vec2 uv2 = transform_uv(texture[triangle->b.texture], scale);
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writer.append<ta_vertex_parameter::polygon_type_3>() =
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ta_vertex_parameter::polygon_type_3(polygon_vertex_parameter_control_word(false),
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v2.x, v2.y, v2.z,
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uv2.x, uv2.y,
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base_color,
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0); // offset_color
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vec3 v3 = transform_vertex(position[triangle->c.position], translate, scale);
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vec2 uv3 = transform_uv(texture[triangle->c.texture], scale);
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writer.append<ta_vertex_parameter::polygon_type_3>() =
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ta_vertex_parameter::polygon_type_3(polygon_vertex_parameter_control_word(true),
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v3.x, v3.y, v3.z,
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uv3.x, uv3.y,
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base_color,
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0); // offset_color
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}
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static inline void transfer_quadrilateral(ta_parameter_writer& writer,
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const vertex_position * position,
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const vertex_texture * texture,
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const union quadrilateral * quadrilateral,
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const uint32_t base_color,
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const vec3 translate,
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const float scale)
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{
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vec3 v1 = transform_vertex(position[quadrilateral->a.position], translate, scale);
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vec2 uv1 = transform_uv(texture[quadrilateral->a.texture], scale);
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writer.append<ta_vertex_parameter::polygon_type_3>() =
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ta_vertex_parameter::polygon_type_3(polygon_vertex_parameter_control_word(false),
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v1.x, v1.y, v1.z,
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uv1.x, uv1.y,
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base_color,
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0); // offset_color
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vec3 v2 = transform_vertex(position[quadrilateral->b.position], translate, scale);
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vec2 uv2 = transform_uv(texture[quadrilateral->b.texture], scale);
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writer.append<ta_vertex_parameter::polygon_type_3>() =
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ta_vertex_parameter::polygon_type_3(polygon_vertex_parameter_control_word(false),
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v2.x, v2.y, v2.z,
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uv2.x, uv2.y,
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base_color,
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0); // offset_color
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vec3 v4 = transform_vertex(position[quadrilateral->d.position], translate, scale);
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vec2 uv4 = transform_uv(texture[quadrilateral->d.texture], scale);
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writer.append<ta_vertex_parameter::polygon_type_3>() =
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ta_vertex_parameter::polygon_type_3(polygon_vertex_parameter_control_word(false),
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v4.x, v4.y, v4.z,
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uv4.x, uv4.y,
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base_color,
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0); // offset_color
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vec3 v3 = transform_vertex(position[quadrilateral->c.position], translate, scale);
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vec2 uv3 = transform_uv(texture[quadrilateral->c.texture], scale);
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writer.append<ta_vertex_parameter::polygon_type_3>() =
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ta_vertex_parameter::polygon_type_3(polygon_vertex_parameter_control_word(true),
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v3.x, v3.y, v3.z,
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uv3.x, uv3.y,
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base_color,
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0); // offset_color
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}
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static inline void transfer_triangles(ta_parameter_writer& writer,
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const struct model * model,
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const struct material_descriptor * material,
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const struct object * object,
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const uint32_t list_type,
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const uint32_t blending,
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const uint32_t pixel_format,
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const uint32_t base_color,
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const vec3 translate,
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const float scale)
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{
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if (object->triangle_count == 0 && object->quadrilateral_count == 0)
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return;
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const uint32_t parameter_control_word = para_control::para_type::polygon_or_modifier_volume
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| list_type
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| obj_control::col_type::packed_color
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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 = blending
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| tsp_instruction_word::fog_control::no_fog;
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const uint32_t texture_address = texture_memory_alloc.texture.start + material[object->material].pixel.vram_offset;
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const uint32_t texture_control_word = pixel_format
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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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writer.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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for (int i = 0; i < object->triangle_count; i++) {
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transfer_triangle(writer,
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model->position, model->texture, &object->triangle[i],
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base_color,
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translate,
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scale);
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}
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for (int i = 0; i < object->quadrilateral_count; i++) {
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transfer_quadrilateral(writer,
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model->position, model->texture, &object->quadrilateral[i],
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base_color,
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translate,
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scale);
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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 struct model * model = &speck_model;
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const struct material_descriptor * material = speck_material;
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// opaque
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if (1) {
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const uint32_t list_type = para_control::list_type::opaque;
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const uint32_t blending = 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::texture_u_size::from_int(8)
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| tsp_instruction_word::texture_v_size::from_int(8)
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| tsp_instruction_word::texture_shading_instruction::modulate;
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const uint32_t pixel_format = texture_control_word::pixel_format::_4444;
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const uint32_t base_color = 0xffffffff;
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const vec3 translate = {0, 0, 0};
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const float scale = 0.83;
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transfer_triangles(writer,
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model, material,
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&speck_Cube_white,
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list_type,
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blending,
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pixel_format,
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base_color,
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translate,
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scale);
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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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const float scale[] {
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1.000,
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1.014,
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1.031,
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1.043,
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1.066,
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1.093,
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};
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static const uint32_t red[] {
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4278190080,
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3791650816,
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3338665984,
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2936012800,
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2550136832,
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2214592512,
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1912602624,
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1627389952,
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1375731712,
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1157627904,
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956301312,
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771751936,
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620756992,
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503316480,
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385875968,
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285212672,
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218103808,
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150994944,
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100663296,
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67108864,
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33554432,
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16777216,
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16777216,
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16777216,
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};
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// translucent
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if (1) {
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const uint32_t list_type = para_control::list_type::translucent;
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const uint32_t blending = tsp_instruction_word::src_alpha_instr::src_alpha
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| tsp_instruction_word::dst_alpha_instr::inverse_src_alpha
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| tsp_instruction_word::texture_u_size::from_int(256)
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| tsp_instruction_word::texture_v_size::from_int(256)
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| tsp_instruction_word::texture_shading_instruction::modulate_alpha
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| tsp_instruction_word::use_alpha
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;
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const uint32_t pixel_format = texture_control_word::pixel_format::_4444;
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int shells = 23;
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for (int i = 0; i < shells; i++) {
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const uint32_t base_color = red[i] | 0xffffff;
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const vec3 translate = {0, 0, 0};
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const float _scale = 1.0 + (float)(i) * 0.107;
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transfer_triangles(writer,
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model, material,
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&speck_Cube,
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list_type,
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blending,
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pixel_format,
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base_color,
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translate,
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_scale);
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}
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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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}
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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 & 0x03ffffe0) / 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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for (uint32_t i = 0; i < (sizeof (speck_material)) / (sizeof (speck_material[0])); i++) {
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const struct pixel_descriptor * pixel = &speck_material[i].pixel;
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uint32_t offset = texture_memory_alloc.texture.start + pixel->vram_offset;
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void * dst = reinterpret_cast<void *>(&ta_fifo_texture_memory[offset / 4]);
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void * src = reinterpret_cast<void *>(pixel->start);
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transfer_ta_fifo_texture_memory_32byte(dst, src, pixel->width * pixel->height * 2);
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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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transfer_textures();
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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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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 = 16 * 4,
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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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video_output::set_mode_vga();
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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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ta_parameter_writer writer = ta_parameter_writer(ta_parameter_buf);
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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,
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0xff9090c0);
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ta_polygon_converter_init2(texture_memory_alloc.isp_tsp_parameters[i].start,
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texture_memory_alloc.isp_tsp_parameters[i].end,
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texture_memory_alloc.object_list[i].start,
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texture_memory_alloc.object_list[i].end,
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opb_size[0].total(),
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ta_alloc,
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tile_width,
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tile_height);
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writer.offset = 0;
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transfer_scene(writer);
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ta_polygon_converter_writeback(writer.buf, writer.offset);
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ta_polygon_converter_transfer(writer.buf, writer.offset);
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if (i == 0)
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ta_wait_translucent_list();
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}
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core_start_render2(texture_memory_alloc.region_array[0].start,
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texture_memory_alloc.isp_tsp_parameters[0].start,
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texture_memory_alloc.background[0].start,
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texture_memory_alloc.framebuffer[0].start,
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framebuffer_width);
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frame = 1;
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while (1) {
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int ta = frame & 1;
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int core = !ta;
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// 1 -> {0, 0}
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ta_wait_translucent_list();
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ta_polygon_converter_init2(texture_memory_alloc.isp_tsp_parameters[ta].start,
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texture_memory_alloc.isp_tsp_parameters[ta].end,
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texture_memory_alloc.object_list[ta].start,
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texture_memory_alloc.object_list[ta].end,
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opb_size[0].total(),
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ta_alloc,
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tile_width,
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tile_height);
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writer.offset = 0;
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transfer_scene(writer);
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ta_polygon_converter_writeback(writer.buf, writer.offset);
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core_wait_end_of_render_video();
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ta_polygon_converter_transfer(writer.buf, writer.offset);
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holly.FB_R_SOF1 = texture_memory_alloc.framebuffer[ta].start;
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// 0 ->
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core_start_render2(texture_memory_alloc.region_array[core].start,
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texture_memory_alloc.isp_tsp_parameters[core].start,
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texture_memory_alloc.background[core].start,
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texture_memory_alloc.framebuffer[core].start,
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framebuffer_width);
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frame += 1;
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theta += degree / 2;
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}
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serial::string("return\nreturn\nreturn\n");
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}
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