example: add custom_resolution
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example/custom_resolution.cpp
Normal file
288
example/custom_resolution.cpp
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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_alloc8.hpp"
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#include "memorymap.hpp"
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#include "color_format.hpp"
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#include "math/float_types.hpp"
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#include "sh7091/serial.hpp"
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#include "printf/printf.h"
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constexpr int div(int n, int d)
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{
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return (n + 32 - 1) / 32;
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}
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const int framebuffer_width = 720;
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const int framebuffer_height = 480;
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const int tile_width = div(framebuffer_width, 32);
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const int tile_height = div(framebuffer_height, 32);
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const int bytes_per_pixel = 2;
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const uint32_t ta_alloc
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= 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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const int ta_cont_count = 1;
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const struct opb_size opb_size[ta_cont_count] = {
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{
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.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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};
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void framebuffer_init()
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{
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int x_size = framebuffer_width;
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int y_size = framebuffer_height;
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// write
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holly.FB_X_CLIP = fb_x_clip::fb_x_clip_max(x_size - 1)
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| fb_x_clip::fb_x_clip_min(0);
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holly.FB_Y_CLIP = fb_y_clip::fb_y_clip_max(y_size - 1)
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| fb_y_clip::fb_y_clip_min(0);
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// read
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holly.FB_R_SIZE = fb_r_size::fb_modulus(1)
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| fb_r_size::fb_y_size(y_size - 1)
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| fb_r_size::fb_x_size((x_size * bytes_per_pixel) / 4 - 1);
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}
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void scaler_init()
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{
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holly.Y_COEFF = y_coeff::coefficient_1(0x80)
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| y_coeff::coefficient_0_2(0x40);
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// in 6.10 fixed point; 0x0400 is 1x vertical scale
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holly.SCALER_CTL = scaler_ctl::vertical_scale_factor(0x0400);
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holly.FB_BURSTCTRL = fb_burstctrl::wr_burst(0x09)
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| fb_burstctrl::vid_lat(0x3f)
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| fb_burstctrl::vid_burst(0x39);
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}
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void spg_set_mode()
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{
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holly.SPG_CONTROL
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= spg_control::sync_direction::output;
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holly.SPG_LOAD
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= spg_load::vcount(525 - 1) // number of lines per field
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| spg_load::hcount(858 - 1); // number of video clock cycles per line
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holly.SPG_HBLANK
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= spg_hblank::hbend(117) // H Blank ending position
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| spg_hblank::hbstart(837); // H Blank starting position
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holly.SPG_VBLANK
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= spg_vblank::vbend(40) // V Blank ending position
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| spg_vblank::vbstart(520); // V Blank starting position
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holly.SPG_WIDTH
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= spg_width::eqwidth(16 - 1) // Specify the equivalent pulse width (number of video clock cycles - 1)
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| spg_width::bpwidth(794 - 1) // Specify the broad pulse width (number of video clock cycles - 1)
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| spg_width::vswidth(3) // V Sync width (number of lines)
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| spg_width::hswidth(64 - 1); // H Sync width (number of video clock cycles - 1)
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holly.VO_STARTX
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= vo_startx::horizontal_start_position(117);
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holly.VO_STARTY
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= vo_starty::vertical_start_position_on_field_2(40)
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| vo_starty::vertical_start_position_on_field_1(40);
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holly.VO_CONTROL
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= vo_control::pclk_delay(22);
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holly.SPG_HBLANK_INT
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= spg_hblank_int::line_comp_val(837);
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holly.SPG_VBLANK_INT
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= spg_vblank_int::vblank_out_interrupt_line_number(21)
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| spg_vblank_int::vblank_in_interrupt_line_number(520);
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}
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void core_param_init()
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{
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uint32_t region_array_start = texture_memory_alloc.region_array.start;
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uint32_t isp_tsp_parameters_start = texture_memory_alloc.isp_tsp_parameters.start;
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uint32_t background_start = texture_memory_alloc.framebuffer[0].start;
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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
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= 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
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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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holly.FB_W_LINESTRIDE = (framebuffer_width * bytes_per_pixel) / 8;
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}
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static inline uint16_t rgb565(uint8_t r, uint8_t g, uint8_t b)
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{
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int r5 = r & 31;
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int g6 = g & 63;
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int b5 = b & 31;
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return (r5 << 11) | (g6 << 5) | (b5 << 0);
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}
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void test_pattern()
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{
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uint16_t * framebuffer = (uint16_t *)&texture_memory32[texture_memory_alloc.framebuffer[0].start / 4];
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for (int y = 0; y < 480; y++) {
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for (int x = 0; x < 720; x++) {
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if (x == 0 || y == 0 || y == 479)
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framebuffer[y * 720 + x] = rgb565(31, 0, 0);
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else if (x == 719)
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framebuffer[y * 720 + x] = rgb565(0, 0, 31);
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else
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framebuffer[y * 720 + x] = rgb565(0, 31 * (x & 1), 0);
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}
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}
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holly.FB_R_SOF1 = texture_memory_alloc.framebuffer[0].start;
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}
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struct vertex {
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vec3 position;
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unsigned int base_color;
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};
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// screen space coordinates
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const struct vertex triangle_vertices[] = {
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{ {320.000f + 40, 50.f, 0.1f}, 0xffff0000 },
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{ {539.393f + 40, 430.f, 0.1f}, 0xff00ff00 },
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{ {100.607f + 40, 430.f, 0.1f}, 0xff0000ff },
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};
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static inline void global_polygon_type_0(ta_parameter_writer& writer)
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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::gouraud;
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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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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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0,
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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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}
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static inline void vertex_polygon_type_0(ta_parameter_writer& writer, const vertex& v, bool end_of_strip)
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{
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writer.append<ta_vertex_parameter::polygon_type_0>() =
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ta_vertex_parameter::polygon_type_0(polygon_vertex_parameter_control_word(end_of_strip),
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v.position.x, v.position.y, v.position.z,
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v.base_color);
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}
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void transfer_triangle(ta_parameter_writer& writer)
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{
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global_polygon_type_0(writer);
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vertex_polygon_type_0(writer, triangle_vertices[0], false);
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vertex_polygon_type_0(writer, triangle_vertices[1], false);
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vertex_polygon_type_0(writer, triangle_vertices[2], true);
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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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void main()
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{
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serial::init(0);
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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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holly.FB_R_CTRL = fb_r_ctrl::vclk_div::pclk_vclk_1
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| fb_r_ctrl::fb_depth::_565_rgb_16bit
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| fb_r_ctrl::fb_enable;
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scaler_init();
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spg_set_mode();
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framebuffer_init();
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core_init();
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holly.VO_BORDER_COL = 0x00ff00ff;
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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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ta_cont_count,
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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_parameter2(texture_memory_alloc.framebuffer[0].start,
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0xff800080);
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core_param_init();
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static uint8_t __attribute__((aligned(32))) ta_parameter_buf[1024 * 1024 * 1];
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ta_parameter_writer writer = ta_parameter_writer(ta_parameter_buf, (sizeof (ta_parameter_buf)));
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transfer_triangle(writer);
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ta_polygon_converter_init2(texture_memory_alloc.isp_tsp_parameters.start,
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texture_memory_alloc.isp_tsp_parameters.end,
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texture_memory_alloc.object_list.start,
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texture_memory_alloc.object_list.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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ta_polygon_converter_writeback(writer.buf, writer.offset);
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ta_polygon_converter_transfer(writer.buf, writer.offset);
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ta_wait_opaque_list();
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int framebuffer_size = framebuffer_width * framebuffer_height * bytes_per_pixel;
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int framebuffer_address = (0x10000000 - (framebuffer_size / 2));
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//int framebuffer_address = texture_memory_alloc.framebuffer[1].start;
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holly.FB_W_SOF1 = framebuffer_address & 0x1ffffff;
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holly.STARTRENDER = 1;
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holly.FB_R_SOF1 = framebuffer_address & 0x0ffffff;
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printf("fb_w_sof1 0x%08x\n", holly.FB_W_SOF1);
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printf("fb_r_sof1 0x%08x\n", holly.FB_R_SOF1);
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}
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@ -1257,3 +1257,21 @@ CARS_OBJ = \
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example/cars.elf: LDSCRIPT = $(LIB)/main.lds
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example/cars.elf: LDSCRIPT = $(LIB)/main.lds
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example/cars.elf: $(START_OBJ) $(CARS_OBJ)
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example/cars.elf: $(START_OBJ) $(CARS_OBJ)
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CUSTOM_RESOLUTION_OBJ = \
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example/custom_resolution.o \
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holly/core.o \
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holly/region_array.o \
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holly/background.o \
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holly/ta_fifo_polygon_converter.o \
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holly/video_output.o \
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sh7091/serial.o \
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maple/maple.o \
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sh7091/c_serial.o \
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printf/printf.o \
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printf/unparse.o \
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printf/parse.o \
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$(LIBGCC)
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example/custom_resolution.elf: LDSCRIPT = $(LIB)/main.lds
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example/custom_resolution.elf: $(START_OBJ) $(CUSTOM_RESOLUTION_OBJ)
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31
holly/texture_memory_alloc8.hpp
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31
holly/texture_memory_alloc8.hpp
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#pragma once
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#include <cstdint>
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#include <cstddef>
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struct texture_memory_alloc__start_end {
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uint32_t start;
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uint32_t end;
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};
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struct texture_memory_alloc {
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struct texture_memory_alloc__start_end isp_tsp_parameters;
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struct texture_memory_alloc__start_end object_list;
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struct texture_memory_alloc__start_end region_array;
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struct texture_memory_alloc__start_end framebuffer[2];
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struct texture_memory_alloc__start_end background;
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struct texture_memory_alloc__start_end texture;
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};
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constexpr texture_memory_alloc texture_memory_alloc = {
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// 32-bit addresses start end start end
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.isp_tsp_parameters = {0x400000, 0x61bfe0},
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.object_list = {0x0a8c00, 0x13ebe0},
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.region_array = {0x61c000, 0x62c000},
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.framebuffer = {{0x62c000, 0x6d4be0},
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{0x000000, 0x0a8be0}},
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.background = {0x13ec00, 0x13ec20},
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// 64-bit addresses
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.texture = {0x458000, 0x800000},
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};
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