241 lines
7.0 KiB
C++
241 lines
7.0 KiB
C++
#include <cstdint>
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#include "align.hpp"
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#include "holly/video_output.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 "memorymap.hpp"
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#include "sh7091/serial.hpp"
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#include "texture/macaw/macaw.data.h"
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#include "software_ta.hpp"
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uint32_t transform(uint32_t * ta_parameter_buf,
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const software_ta::quad& quad)
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{
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auto parameter = ta_parameter_writer(ta_parameter_buf);
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const uint32_t parameter_control_word = para_control::para_type::sprite
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//const uint32_t parameter_control_word = para_control::para_type::polygon_or_modifier_volume
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| para_control::list_type::opaque
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| obj_control::col_type::packed_color;
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const uint32_t isp_tsp_instruction_word = isp_tsp_instruction_word::depth_compare_mode::greater
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| isp_tsp_instruction_word::culling_mode::no_culling;
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const uint32_t tsp_instruction_word = tsp_instruction_word::src_alpha_instr::one
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| tsp_instruction_word::dst_alpha_instr::zero
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| tsp_instruction_word::fog_control::no_fog;
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const uint32_t texture_control_word = 0;
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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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parameter.append<ta_vertex_parameter::sprite_type_0>() =
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ta_vertex_parameter::sprite_type_0(para_control::para_type::vertex_parameter,
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quad.a.x,
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quad.a.y,
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0.1f,
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quad.b.x,
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quad.b.y,
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0.1f,
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quad.c.x,
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quad.c.y,
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0.1f,
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quad.d.x,
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quad.d.y);
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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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return parameter.offset;
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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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auto object_list = &texture_memory32[texture_memory_alloc::object_list.start / 4];
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auto isp_tsp_parameters = &texture_memory32[texture_memory_alloc::isp_tsp_parameters.start / 4];
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// zeroize
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for (uint32_t i = 0; i < 0x00100000 / 4; i++) {
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object_list[i] = 0xeeeeeeee;
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isp_tsp_parameters[i] = 0xeeeeeeee;
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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(0xff222200);
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}
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uint32_t _ta_parameter_buf[((32 * (32 + 2)) + 32) / 4];
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union u32_u8 {
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uint32_t u32;
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uint8_t u8[4];
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};
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static_assert((sizeof (union u32_u8)) == 4);
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void dump()
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{
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auto object_list = &texture_memory32[texture_memory_alloc::object_list.start / 4];
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auto isp_tsp_parameters = &texture_memory32[texture_memory_alloc::isp_tsp_parameters.start / 4];
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constexpr uint32_t screen_ol_size = 8 * 4 * (640 / 32) * (480 / 32);
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for (uint32_t i = 0; i < (screen_ol_size + 0x100) / 4; i++) {
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union u32_u8 n;
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n.u32 = object_list[i];
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if (((i * 4) & 0x1f) == 0)
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serial::character('\n');
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//if (((i * 4) & 0x3f) == 0)
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// serial::character('\n');
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serial::integer<uint32_t>(n.u32, ' ');
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}
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serial::character('\n');
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serial::character('\n');
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serial::character('\n');
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for (uint32_t i = 0; i < (0x100) / 4; i++) {
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union u32_u8 n;
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n.u32 = isp_tsp_parameters[i];
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if (((i * 4) & 0x1f) == 0)
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serial::character('\n');
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serial::integer<uint32_t>(n.u32, ' ');
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}
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}
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constexpr float half_degree = 0.01745329f / 2.f;
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constexpr software_ta::point rotate(const software_ta::point& p, const float theta)
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{
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float x = p.x;
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float y = p.y;
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float x1;
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x1 = x * __builtin_cosf(theta) - y * __builtin_sinf(theta);
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y = x * __builtin_sinf(theta) + y * __builtin_cosf(theta);
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x = x1;
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x *= 240.f;
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y *= 240.f;
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x += 320.f;
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y += 240.f;
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return {x, y};
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}
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void main()
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{
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video_output::set_mode_vga();
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// 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::no_list
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| ta_alloc_ctrl::om_opb::no_list
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| ta_alloc_ctrl::o_opb::_8x4byte;
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constexpr struct opb_size opb_size = { .opaque = 8 * 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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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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float theta = 0;
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uint32_t frame_ix = 0;
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uint32_t anim_ix = 0;
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bool hardware_ta = false;
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constexpr software_ta::quad q = {
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{-0.5f, 0.5f},
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{-0.5f, -0.5f},
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{ 0.5f, -0.5f},
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{ 0.5f, 0.5f},
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};
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auto object_list = &texture_memory32[texture_memory_alloc::object_list.start / 4];
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auto isp_tsp_parameters = &texture_memory32[texture_memory_alloc::isp_tsp_parameters.start / 4];
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while (true) {
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if ((anim_ix & 255) == 0) {
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holly.SOFTRESET = softreset::pipeline_soft_reset;
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holly.SOFTRESET = 0;
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hardware_ta = !hardware_ta;
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if (hardware_ta)
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serial::string("now using hardware TA\n");
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else
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serial::string("now using software TA\n");
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}
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software_ta::quad qq;
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qq.a = rotate(q.a, theta);
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qq.b = rotate(q.b, theta);
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qq.c = rotate(q.c, theta);
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qq.d = rotate(q.d, theta);
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if (hardware_ta) {
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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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uint32_t ta_parameter_size = transform(ta_parameter_buf, qq);
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ta_polygon_converter_transfer(ta_parameter_buf, ta_parameter_size);
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ta_wait_opaque_list();
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} else {
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software_ta::object_pointer_blocks<8>(object_list, qq);
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software_ta::isp_tsp_parameters(isp_tsp_parameters, qq);
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}
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software_ta::opb_checkerboard_pattern<8>(object_list);
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core_start_render(frame_ix);
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core_wait_end_of_render_video();
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while (!spg_status::vsync(holly.SPG_STATUS));
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core_flip(frame_ix);
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while (spg_status::vsync(holly.SPG_STATUS));
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frame_ix = (frame_ix + 1) & 1;
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theta += half_degree;
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anim_ix += 1;
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}
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}
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