137 lines
4.5 KiB
C++
137 lines
4.5 KiB
C++
#include "float_uint32.hpp"
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#include "memorymap.hpp"
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#include "systembus.hpp"
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#include "systembus_bits.hpp"
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#include "sh7091/serial.hpp"
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#include "texture_memory_alloc.hpp"
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#include "holly.hpp"
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#include "core.hpp"
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#include "core_bits.hpp"
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#include "background.hpp"
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#include "region_array.hpp"
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void core_init()
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{
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holly.ISP_FEED_CFG = isp_feed_cfg::cache_size_for_translucency(0x200)
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| isp_feed_cfg::punch_through_chunk_size(0x040)
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;
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holly.FPU_SHAD_SCALE = fpu_shad_scale::simple_shadow_enable::intensity_volume_mode
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| fpu_shad_scale::scale_factor_for_shadows(127);
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holly.FPU_CULL_VAL = _i(1.f);
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holly.FPU_PERP_VAL = _i(0.f);
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holly.SPAN_SORT_CFG = span_sort_cfg::span_sort_enable
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| span_sort_cfg::offset_sort_enable;
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holly.FOG_COL_RAM = fog_col_ram::red(127)
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| fog_col_ram::green(127)
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| fog_col_ram::blue(127);
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holly.FOG_COL_VERT = fog_col_vert::red(127)
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| fog_col_vert::green(127)
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| fog_col_vert::blue(127);
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holly.FOG_CLAMP_MIN = fog_clamp_min::alpha(0)
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| fog_clamp_min::red(0)
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| fog_clamp_min::green(0)
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| fog_clamp_min::blue(0);
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holly.FOG_CLAMP_MAX = fog_clamp_max::alpha(255)
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| fog_clamp_max::red(255)
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| fog_clamp_max::green(255)
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| fog_clamp_max::blue(255);
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holly.HALF_OFFSET = half_offset::tsp_texel_sampling_position::center
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| half_offset::tsp_pixel_sampling_position::center
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| half_offset::fpu_pixel_sampling_position::center;
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holly.FPU_PARAM_CFG = fpu_param_cfg::region_header_type::type_2
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| fpu_param_cfg::tsp_parameter_burst_threshold(31)
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| fpu_param_cfg::isp_parameter_burst_threshold(31)
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| fpu_param_cfg::pointer_burst_size(15) // must be less than opb size
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| fpu_param_cfg::pointer_first_burst_size(7); // half of pointer burst size(?)
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}
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void core_start_render(uint32_t frame_address,
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uint32_t frame_width // in pixels
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)
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{
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holly.REGION_BASE = texture_memory_alloc::region_array.start;
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holly.PARAM_BASE = texture_memory_alloc::isp_tsp_parameters.start;
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constexpr int32_t background_offset = (texture_memory_alloc::background.start - texture_memory_alloc::isp_tsp_parameters.start);
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static_assert(background_offset >= 0);
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holly.ISP_BACKGND_T = isp_backgnd_t::tag_address(background_offset / 4)
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| isp_backgnd_t::tag_offset(0)
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| isp_backgnd_t::skip(1);
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holly.ISP_BACKGND_D = _i(1.f/100000.f);
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holly.FB_W_CTRL = 0
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//| fb_w_ctrl::fb_dither
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| fb_w_ctrl::fb_packmode::_565_rgb_16bit;
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constexpr uint32_t bytes_per_pixel = 2;
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holly.FB_W_LINESTRIDE = (frame_width * bytes_per_pixel) / 8;
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holly.FB_W_SOF1 = frame_address;
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holly.STARTRENDER = 1;
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}
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void core_start_render(uint32_t frame_ix)
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{
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core_start_render(texture_memory_alloc::framebuffer[frame_ix].start,
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640
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);
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}
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void core_start_render2(uint32_t region_array_start,
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uint32_t isp_tsp_parameters_start,
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uint32_t background_start,
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uint32_t frame_address,
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uint32_t frame_width // in pixels
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)
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{
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holly.REGION_BASE = region_array_start;
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holly.PARAM_BASE = isp_tsp_parameters_start;
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uint32_t background_offset = background_start - isp_tsp_parameters_start;
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holly.ISP_BACKGND_T = isp_backgnd_t::tag_address(background_offset / 4)
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| isp_backgnd_t::tag_offset(0)
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| isp_backgnd_t::skip(1);
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holly.ISP_BACKGND_D = _i(1.f/100000.f);
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holly.FB_W_CTRL = fb_w_ctrl::fb_dither | fb_w_ctrl::fb_packmode::_565_rgb_16bit;
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constexpr uint32_t bytes_per_pixel = 2;
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holly.FB_W_LINESTRIDE = (frame_width * bytes_per_pixel) / 8;
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holly.FB_W_SOF1 = frame_address;
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holly.STARTRENDER = 1;
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}
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void core_wait_end_of_render_video()
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{
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/*
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"Furthermore, it is strongly recommended that the End of ISP and End of Video interrupts
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be cleared at the same time in order to make debugging easier when an error occurs."
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*/
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while ((system.ISTNRM & istnrm::end_of_render_tsp) == 0) {
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if (system.ISTERR) {
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//serial::string("core ");
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//serial::integer<uint32_t>(system.ISTERR);
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holly.SOFTRESET = softreset::pipeline_soft_reset;
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holly.SOFTRESET = 0;
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break;
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}
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};
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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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}
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void core_flip(uint32_t frame_ix)
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{
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holly.FB_R_SOF1 = texture_memory_alloc::framebuffer[frame_ix].start;
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}
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