example: add software_ta_two_volumes
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example/software_ta_two_volumes.cpp
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276
example/software_ta_two_volumes.cpp
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#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_alloc9.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 "math/float_types.hpp"
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#include "sh7091/serial.hpp"
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#include "holly/object_list_data.hpp"
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constexpr uint32_t ta_alloc = ta_alloc_ctrl::pt_opb::_8x4byte
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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::_8x4byte
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| ta_alloc_ctrl::o_opb::no_list;
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const struct opb_size opb_size = { .opaque = 0
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, .opaque_modifier = 8 * 4
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, .translucent = 0
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, .translucent_modifier = 0
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, .punch_through = 8 * 4
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};
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constexpr int tile_width = 32 / 32;
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constexpr int tile_height = 32 / 32;
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void init_texture_memory()
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{
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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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1,
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texture_memory_alloc.region_array.start,
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texture_memory_alloc.object_list.start);
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background_parameter(0xff222200);
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}
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constexpr float half_degree = 0.01745329f / 2.f;
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struct triangle_parameter_vertex {
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float x;
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float y;
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float z;
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uint32_t color1;
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uint32_t color2;
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};
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struct triangle_parameter {
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uint32_t isp_tsp_instruction_word;
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uint32_t tsp_instruction_word_0;
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uint32_t texture_control_word_0;
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uint32_t tsp_instruction_word_1;
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uint32_t texture_control_word_1;
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triangle_parameter_vertex a;
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triangle_parameter_vertex b;
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triangle_parameter_vertex c;
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};
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struct modifier_volume_parameter_vertex {
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float x;
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float y;
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float z;
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};
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struct modifier_volume_parameter {
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uint32_t isp_tsp_instruction_word;
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uint32_t pad1;
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uint32_t pad2;
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modifier_volume_parameter_vertex a;
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modifier_volume_parameter_vertex b;
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modifier_volume_parameter_vertex c;
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};
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template <int N>
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struct object_pointer_block {
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uint32_t pointer[N];
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};
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static_assert((sizeof (object_pointer_block<8>)) == 32);
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template <int N>
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void transfer_object_list(volatile uint8_t * mem)
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{
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auto blocks = reinterpret_cast<volatile object_pointer_block<N> *>(mem);
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{ // opaque modifier
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int start = (sizeof (triangle_parameter));
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auto& block = blocks[0];
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block.pointer[0] = object_list_data::pointer_type::triangle_array
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| object_list_data::triangle_array::number_of_triangles(0)
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| object_list_data::triangle_array::skip(0)
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| object_list_data::triangle_array::start(start / 4);
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block.pointer[1] = object_list_data::pointer_type::object_pointer_block_link
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| object_list_data::object_pointer_block_link::end_of_list;
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}
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{ // punch through
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int start = 0;
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auto& block = blocks[1];
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block.pointer[0] = object_list_data::pointer_type::triangle_array
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| object_list_data::triangle_array::number_of_triangles(0)
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| object_list_data::triangle_array::shadow
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| object_list_data::triangle_array::skip(1)
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| object_list_data::triangle_array::start(start / 4);
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block.pointer[1] = object_list_data::pointer_type::object_pointer_block_link
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| object_list_data::object_pointer_block_link::end_of_list;
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}
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}
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using vec2i = vec<2, int>;
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struct triangle {
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vec3 a;
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vec3 b;
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vec3 c;
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};
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static inline int transfer_isp_tsp_parameters(volatile uint8_t * mem,
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const vec3& ap, const vec2i& ac,
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const vec3& bp, const vec2i& bc,
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const vec3& cp, const vec2i& cc)
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{
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auto params = reinterpret_cast<volatile triangle_parameter *>(mem);
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params->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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| isp_tsp_instruction_word::gouraud_shading;
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params->tsp_instruction_word_0 = 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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params->texture_control_word_0 = 0;
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params->tsp_instruction_word_1 = tsp_instruction_word::src_alpha_instr::one
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| tsp_instruction_word::dst_alpha_instr::one
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| tsp_instruction_word::fog_control::no_fog;
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params->texture_control_word_1 = 0;
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params->a.x = ap.x;
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params->a.y = ap.y;
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params->a.z = ap.z;
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params->a.color1 = ac.x;
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params->a.color2 = ac.y;
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params->b.x = bp.x;
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params->b.y = bp.y;
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params->b.z = bp.z;
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params->b.color1 = bc.x;
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params->b.color2 = bc.y;
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params->c.x = cp.x;
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params->c.y = cp.y;
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params->c.z = cp.z;
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params->c.color1 = cc.x;
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params->c.color2 = cc.y;
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return (sizeof (triangle_parameter));
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}
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static inline int transfer_modifier_volume_isp_tsp_parameters(volatile uint8_t * mem,
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const vec3& ap,
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const vec3& bp,
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const vec3& cp)
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{
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auto params = reinterpret_cast<volatile modifier_volume_parameter *>(mem);
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params->isp_tsp_instruction_word = isp_tsp_instruction_word::volume_instruction::inside_last_polygon
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| isp_tsp_instruction_word::culling_mode::no_culling;
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params->pad1 = 0;
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params->pad2 = 0;
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params->a.x = ap.x;
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params->a.y = ap.y;
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params->a.z = ap.z;
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params->b.x = bp.x;
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params->b.y = bp.y;
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params->b.z = bp.z;
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params->c.x = cp.x;
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params->c.y = cp.y;
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params->c.z = cp.z;
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return (sizeof (modifier_volume_parameter));
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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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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();
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holly.FPU_SHAD_SCALE = fpu_shad_scale::simple_shadow_enable::parameter_selection_volume_mode;
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uint32_t frame_ix = 0;
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constexpr triangle q = {
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{18.2192f, 1.0f, 0.01f},
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{27.8808f, 25.4219f, 0.01f},
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{ 1.9f, 21.5781f, 0.01f},
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};
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constexpr triangle mv = {
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{ 0.0f, -50.0f, 0.1f},
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{100.0f, 0.0f, 0.1f},
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{ 0.0f, 50.0f, 0.1f},
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};
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auto object_list = (volatile uint8_t *)(&texture_memory32[texture_memory_alloc.object_list.start / 4]);
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auto isp_tsp_parameters = (volatile uint8_t *)(&texture_memory32[texture_memory_alloc.isp_tsp_parameters.start / 4]);
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while (true) {
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vec3 ap = q.a;
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vec3 bp = q.b;
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vec3 cp = q.c;
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vec2i ac = {0x0000ff, 0xff0000};
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vec2i bc = {0x00ff00, 0x0000ff};
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vec2i cc = {0xff0000, 0x00ff00};
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transfer_object_list<8>(object_list);
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int offset = 0;
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offset += transfer_isp_tsp_parameters(&isp_tsp_parameters[offset],
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ap, ac,
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bp, bc,
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cp, cc);
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offset += transfer_modifier_volume_isp_tsp_parameters(&isp_tsp_parameters[offset],
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mv.a,
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mv.b,
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mv.c);
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int framebuffer_width = 640;
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bool dither = true;
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core_start_render2(texture_memory_alloc.region_array.start,
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texture_memory_alloc.isp_tsp_parameters.start,
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texture_memory_alloc.background[0].start,
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texture_memory_alloc.framebuffer[frame_ix].start,
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framebuffer_width,
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dither);
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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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holly.FB_R_SOF1 = texture_memory_alloc.framebuffer[frame_ix].start;
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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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return;
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}
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}
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