285 lines
9.1 KiB
C++
285 lines
9.1 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/store_queue.hpp"
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#include "texture/poppies/poppies.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 ]
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{ -0.5f, 0.5f, 0.f, 0.f, 1.f},
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{ -0.5f, -0.5f, 0.f, 0.f, 0.f},
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{ 0.5f, 0.5f, 0.f, 1.f, 1.f},
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{ 0.5f, -0.5f, 0.f, 1.f, 0.f},
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};
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constexpr uint32_t strip_length = (sizeof (strip_vertices)) / (sizeof (struct vertex));
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void transform_start(uint32_t texture_address, const uint32_t texture_width, uint32_t texture_height)
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{
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const uint32_t parameter_control_word = para_control::para_type::polygon_or_modifier_volume
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| para_control::list_type::opaque
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| obj_control::col_type::packed_color
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| obj_control::texture;
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const uint32_t isp_tsp_instruction_word = isp_tsp_instruction_word::depth_compare_mode::greater
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| isp_tsp_instruction_word::culling_mode::no_culling;
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const uint32_t tsp_instruction_word = tsp_instruction_word::src_alpha_instr::one
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| tsp_instruction_word::dst_alpha_instr::zero
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| tsp_instruction_word::fog_control::no_fog
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| tsp_instruction_word::texture_u_size::from_int(texture_width)
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| tsp_instruction_word::texture_v_size::from_int(texture_height)
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//| tsp_instruction_word::filter_mode::bilinear_filter
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//| tsp_instruction_word::clamp_uv::uv;
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;
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const uint32_t texture_control_word = texture_control_word::pixel_format::_565
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| texture_control_word::scan_order::non_twiddled
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| texture_control_word::texture_address(texture_address / 8);
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*reinterpret_cast<ta_global_parameter::polygon_type_0 *>(store_queue) =
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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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sq_transfer_32byte(ta_fifo_polygon_converter);
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}
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void transform_quad_xy(float width, float height)
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{
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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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x += 0.5;
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y += 0.5;
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x *= width;
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y *= height;
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z = 1.f / (z + 10.f);
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float u = strip_vertices[i].u;
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float v = strip_vertices[i].v;
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bool end_of_strip = i == strip_length - 1;
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*reinterpret_cast<ta_vertex_parameter::polygon_type_3 *>(store_queue) =
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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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u, v,
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0, // base_color
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0 // offset_color
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);
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sq_transfer_32byte(ta_fifo_polygon_converter);
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}
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}
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void transform_quad_uv(float texture_width, float texture_height,
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float width, float height)
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{
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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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x += 0.5;
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y += 0.5;
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x *= texture_width;
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y *= texture_height;
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x += (640 - texture_width) / 2;
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y += (480 - texture_height) / 2;
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z = 1.f / (z + 10.f);
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float u = strip_vertices[i].u;
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float v = strip_vertices[i].v;
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u *= width / texture_width;
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v *= height / texture_height;
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bool end_of_strip = i == strip_length - 1;
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*reinterpret_cast<ta_vertex_parameter::polygon_type_3 *>(store_queue) =
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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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u, v,
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0, // base_color
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0 // offset_color
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);
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sq_transfer_32byte(ta_fifo_polygon_converter);
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}
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}
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void transfer_scene_xy(float width, float height)
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{
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constexpr uint32_t texture_width = 512;
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constexpr uint32_t texture_height = 256;
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const uint32_t texture_address = texture_memory_alloc::texture.start;
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transform_start(texture_address, texture_width, texture_height);
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transform_quad_xy(width, height);
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*reinterpret_cast<ta_global_parameter::end_of_list *>(store_queue) =
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ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
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sq_transfer_32byte(ta_fifo_polygon_converter);
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}
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void transfer_scene_uv(uint32_t texture_address, float width, float height)
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{
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constexpr uint32_t texture_width = 512;
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constexpr uint32_t texture_height = 256;
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transform_start(texture_address, texture_width, texture_height);
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transform_quad_uv(texture_width, texture_height,
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width, height);
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*reinterpret_cast<ta_global_parameter::end_of_list *>(store_queue) =
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ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
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sq_transfer_32byte(ta_fifo_polygon_converter);
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}
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void copy_poppies_texture()
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{
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auto src = reinterpret_cast<const uint8_t *>(&_binary_texture_poppies_poppies_data_start);
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auto size = reinterpret_cast<const uint32_t>(&_binary_texture_poppies_poppies_data_size);
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auto texture = reinterpret_cast<volatile uint16_t *>(&texture_memory64[texture_memory_alloc::texture.start / 4]);
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for (uint32_t px = 0; px < size / 3; 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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texture[px] = rgb565;
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}
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}
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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::_16x4byte;
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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 = 0
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, .translucent_modifier = 0
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, .punch_through = 0
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};
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void render_xy(const uint32_t width, const uint32_t height)
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{
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ta_polygon_converter_init(opb_size.total(),
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ta_alloc,
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512 / 32,
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256 / 32);
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transfer_scene_xy(width, height);
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ta_wait_opaque_list();
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}
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void render_uv(const uint32_t texture_address, const uint32_t width, const uint32_t height)
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{
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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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transfer_scene_uv(texture_address, width, height);
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ta_wait_opaque_list();
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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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copy_poppies_texture();
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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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uint32_t frame_ix = 0;
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constexpr uint32_t texture_buffer_width = 512;
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constexpr uint32_t texture_buffer_height = 256;
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float theta = 0;
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//int step = 600;
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constexpr float half_degree = 0.01745329f / 2.f;
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while (1) {
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float sin = (__builtin_sinf(theta) + 1.0) / 2.f * (31.f/32.f) + 1.f/32.f;
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//const int steps = 600;
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//float triangle = 4.f / steps * __builtin_fabsf(((step - steps/4) % steps) - (steps / 2.f)) - 1.f;
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//float sin = __builtin_fabsf(triangle) * 15.f/16.f + 1.f/16.f;
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float width = 512.f * sin;
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float height = 256.f * sin;
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//step += 1;
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background_parameter(0xff2288aa);
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region_array2(texture_buffer_width / 32, // width
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texture_buffer_height / 32, // height
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opb_size
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);
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constexpr uint32_t texture_buffer = texture_memory_alloc::texture.start + 512 * 256 * 2;
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render_xy(width, height);
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core_start_render(0x100'0000 | texture_buffer, // 64-bit area
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texture_buffer_width // frame_width
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);
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core_wait_end_of_render_video();
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background_parameter(0xff220000);
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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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render_uv(texture_buffer, width, height);
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core_start_render(texture_memory_alloc::framebuffer[frame_ix].start, // 32-bit area
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640 // frame_width
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);
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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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