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text_editor: refactor render/transform

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This commit is contained in:
Zack Buhman 2024-05-20 11:24:48 -05:00
parent 11b858533e
commit b5ac43c109
21 changed files with 566 additions and 544 deletions
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7
font/font.hpp
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@ -31,7 +31,10 @@ static_assert((sizeof (glyph)) == ((sizeof (glyph_bitmap)) + (sizeof (glyph_metr
struct font {
uint32_t first_char_code;
uint32_t last_char_code;
int32_t glyph_height; // 26.6 fixed point
struct face_metrics {
int32_t height; // 26.6 fixed point
int32_t max_advance; // 26.6 fixed point
} face_metrics;
uint16_t glyph_count;
uint16_t texture_stride;
uint16_t texture_width;
@ -40,4 +43,4 @@ struct font {
uint32_t max_z_curve_ix;
} __attribute__ ((packed));
static_assert((sizeof (font)) == ((sizeof (uint32_t)) * 7));
static_assert((sizeof (font)) == ((sizeof (uint32_t)) * 8));

1
maple/maple_bus_ft0.hpp
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@ -1,3 +1,4 @@
#pragma once
namespace ft0 {
namespace data_transfer {
namespace digital_button {

1
maple/maple_bus_ft6.hpp
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@ -1,3 +1,4 @@
#pragma once
namespace ft6 {
namespace data_transfer {
namespace modifier_key {

1
maple/maple_bus_ft8.hpp
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@ -1,3 +1,4 @@
#pragma once
namespace ft8 {
namespace data_transfer {
namespace vset {

2
regs/gen/maple_data_format.py
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@ -120,6 +120,8 @@ def render_format(format):
yield "}"
def render_formats(name, formats):
yield "#pragma once"
yield f"namespace {name} {{"
for format in formats:
yield from render_format(format)

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ter_u20n.data
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13
text_editor/gap_buffer.cpp
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@ -1,6 +1,6 @@
#include "gap_buffer.hpp"
#include "sh7091/serial.hpp"
#include "minmax.hpp"
/*
2 3 4 5 6 7
s e
@ -17,7 +17,6 @@ void line_init_from_buf(struct gap_buffer& gb,
gb.line.length = 0;
for (int32_t i = 0; i < gb.gap_start; i++) {
serial::integer<uint32_t>(i);
if (gb.buf[i] == '\n') {
gb.line.offsets[gb.line.length++] = i;
}
@ -136,16 +135,6 @@ int32_t gap_column_number(struct gap_buffer& gb)
return gb.gap_start - line_start;
}
constexpr inline int32_t min(int32_t a, int32_t b)
{
return (a < b) ? a : b;
}
constexpr inline int32_t max(int32_t a, int32_t b)
{
return (a > b) ? a : b;
}
void gap_cursor_pos_line(struct gap_buffer& gb, int32_t delta)
{
if (delta > 0) {

148
text_editor/keyboard.cpp Normal file
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@ -0,0 +1,148 @@
#include <bit>
#include "maple/maple_bus_ft6_key_scan_codes.hpp"
#include "maple/maple_bus_commands.hpp"
#include "maple/maple_bus_bits.hpp"
#include "maple/maple_impl.hpp"
#include "sh7091/serial.hpp"
#include "keyboard.hpp"
void keyboard_do_get_condition(uint32_t * command_buf,
uint32_t * receive_buf,
ft6::data_transfer::data_format& data)
{
using command_type = get_condition;
using response_type = data_transfer<ft6::data_transfer::data_format>;
get_condition::data_fields data_fields = {
.function_type = std::byteswap(function_type::keyboard)
};
const uint32_t command_size = maple::init_host_command_all_ports<command_type, response_type>(command_buf, receive_buf, data_fields);
using host_response_type = struct maple::command_response<response_type::data_fields>;
auto host_response = reinterpret_cast<host_response_type *>(receive_buf);
maple::dma_start(command_buf, command_size,
receive_buf, maple::sizeof_command(host_response));
for (uint8_t port = 0; port < 4; port++) {
auto& bus_data = host_response[port].bus_data;
if (bus_data.command_code != response_type::command_code) {
continue;
}
auto& data_fields = bus_data.data_fields;
if ((data_fields.function_type & std::byteswap(function_type::keyboard)) == 0) {
continue;
}
data.modifier_key = data_fields.data.modifier_key;
data.led_state = data_fields.data.led_state;
data.scan_code_array[0] = data_fields.data.scan_code_array[0];
data.scan_code_array[1] = data_fields.data.scan_code_array[1];
data.scan_code_array[2] = data_fields.data.scan_code_array[2];
data.scan_code_array[3] = data_fields.data.scan_code_array[3];
data.scan_code_array[4] = data_fields.data.scan_code_array[4];
data.scan_code_array[5] = data_fields.data.scan_code_array[5];
return;
}
}
void keyboard_debug(ft6::data_transfer::data_format * keyboards, uint32_t frame_ix)
{
uint32_t this_frame = (frame_ix + 0) & 1;
bool difference = false;
for (int i = 0; i < 6; i++) {
if (keyboards[0].scan_code_array[i] != keyboards[1].scan_code_array[i]) {
difference = true;
break;
}
}
if (difference) {
for (int i = 0; i < 6; i++) {
serial::integer<uint8_t>(keyboards[this_frame].scan_code_array[i], ' ');
}
serial::string("\n");
}
}
void keyboard_update(ft6::data_transfer::data_format * keyboards, uint32_t frame_ix, gap_buffer& gb)
{
uint32_t this_frame = (frame_ix + 0) & 1;
uint32_t next_frame = (frame_ix + 1) & 1;
for (int i = 0; i < 6; i++) {
if (i < 5 && keyboards[this_frame].scan_code_array[i + 1] != ft6::scan_codes::no_operation)
continue;
bool make = true;
for (int j = 0; j < 6; j++) {
if (keyboards[next_frame].scan_code_array[j] == keyboards[this_frame].scan_code_array[i]) {
make = false;
break;
}
}
if (make) {
// make
uint8_t scan_code = keyboards[this_frame].scan_code_array[i];
switch (scan_code) {
case ft6::scan_codes::a_A: [[fallthrough]];
case ft6::scan_codes::b_B: [[fallthrough]];
case ft6::scan_codes::c_C: [[fallthrough]];
case ft6::scan_codes::d_D: [[fallthrough]];
case ft6::scan_codes::e_E: [[fallthrough]];
case ft6::scan_codes::f_F: [[fallthrough]];
case ft6::scan_codes::g_G: [[fallthrough]];
case ft6::scan_codes::h_H: [[fallthrough]];
case ft6::scan_codes::i_I: [[fallthrough]];
case ft6::scan_codes::j_J: [[fallthrough]];
case ft6::scan_codes::k_K: [[fallthrough]];
case ft6::scan_codes::l_L: [[fallthrough]];
case ft6::scan_codes::m_M: [[fallthrough]];
case ft6::scan_codes::n_N: [[fallthrough]];
case ft6::scan_codes::o_O: [[fallthrough]];
case ft6::scan_codes::p_P: [[fallthrough]];
case ft6::scan_codes::q_Q: [[fallthrough]];
case ft6::scan_codes::r_R: [[fallthrough]];
case ft6::scan_codes::s_S: [[fallthrough]];
case ft6::scan_codes::t_T: [[fallthrough]];
case ft6::scan_codes::u_U: [[fallthrough]];
case ft6::scan_codes::v_V: [[fallthrough]];
case ft6::scan_codes::w_W: [[fallthrough]];
case ft6::scan_codes::x_X: [[fallthrough]];
case ft6::scan_codes::y_Y: [[fallthrough]];
case ft6::scan_codes::z_Z:
{
char_type code_point = (scan_code - ft6::scan_codes::a_A) + 'a';
gap_append(gb, code_point);
}
break;
case ft6::scan_codes::_1_exclam: [[fallthrough]];
case ft6::scan_codes::_2_at: [[fallthrough]];
case ft6::scan_codes::_3_numbersign: [[fallthrough]];
case ft6::scan_codes::_4_dollar: [[fallthrough]];
case ft6::scan_codes::_5_percent: [[fallthrough]];
case ft6::scan_codes::_6_asciicircum: [[fallthrough]];
case ft6::scan_codes::_7_ampersand: [[fallthrough]];
case ft6::scan_codes::_8_asterisk: [[fallthrough]];
case ft6::scan_codes::_9_parenleft:
{
char_type code_point = (scan_code - ft6::scan_codes::_1_exclam) + '1';
gap_append(gb, code_point);
}
break;
case ft6::scan_codes::_0_parenright: gap_append(gb, '0'); break;
case ft6::scan_codes::_return: gap_append(gb, '\n'); break;
case ft6::scan_codes::backspace: gap_pop(gb); break;
case ft6::scan_codes::spacebar: gap_append(gb, ' '); break;
case ft6::scan_codes::left_arrow: gap_cursor_pos(gb, -1); break;
case ft6::scan_codes::right_arrow: gap_cursor_pos(gb, 1); break;
case ft6::scan_codes::up_arrow: gap_cursor_pos_line(gb, -1); break;
case ft6::scan_codes::down_arrow: gap_cursor_pos_line(gb, 1); break;
default:
break;
}
}
}
}

14
text_editor/keyboard.hpp Normal file
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@ -0,0 +1,14 @@
#pragma once
#include <cstdint>
#include "maple/maple_bus_ft6.hpp"
#include "gap_buffer.hpp"
void keyboard_do_get_condition(uint32_t * command_buf,
uint32_t * receive_buf,
ft6::data_transfer::data_format& data);
void keyboard_debug(ft6::data_transfer::data_format * keyboards, uint32_t frame_ix);
void keyboard_update(ft6::data_transfer::data_format * keyboards, uint32_t frame_ix, gap_buffer& gb);

13
text_editor/minmax.hpp Normal file
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@ -0,0 +1,13 @@
#pragma once
#include <cstdint>
constexpr inline int32_t min(int32_t a, int32_t b)
{
return (a < b) ? a : b;
}
constexpr inline int32_t max(int32_t a, int32_t b)
{
return (a > b) ? a : b;
}

121
text_editor/render.cpp Normal file
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@ -0,0 +1,121 @@
#include "render.hpp"
#include "minmax.hpp"
#include "transform.hpp"
#include "holly/ta_global_parameter.hpp"
static inline uint32_t get_font_ix(const struct font * font,
char_type c)
{
uint32_t ix;
if (c >= font->first_char_code && c <= font->last_char_code) {
ix = c - font->first_char_code;
} else if (c == '\n') {
ix = '#' - font->first_char_code;
} else if ('%' <= font->last_char_code) {
ix = '%' - font->first_char_code;
} else {
ix = 0;
}
return ix;
}
constexpr inline int32_t int_26_6(int32_t n)
{
int32_t v = n >> 6;
//float d = n & 63;
//return v + (d / 64.f);
return v;
}
cursor_advance render_primary_buffer(ta_parameter_writer& parameter,
const font * font,
const glyph * glyphs,
const gap_buffer& gb,
const viewport_window& window)
{
int32_t first_line = min(-1, max(window.first_line, gb.line.length - 1));
cursor_advance cursor = { 0 };
int32_t h_advance = 0;
int32_t v_advance = 0;
int32_t init_i = first_line >= 0 ? gb.line.offsets[first_line] + 1 : 0;
for (int32_t i = init_i; i <= gb.size; i++) {
if (i == gb.gap_start) {
uint32_t ix = get_font_ix(font, ' ');
auto& glyph = glyphs[ix];
cursor.x = h_advance + glyph.metrics.horiBearingX;
cursor.y = v_advance - glyph.metrics.horiBearingY;
cursor.width = glyph.metrics.horiAdvance;
cursor.height = font->face_metrics.height;
i = gb.gap_end;
}
if (i == gb.size)
break;
int32_t x = window.box.x0 + int_26_6(h_advance);
int32_t y = window.box.y0 + int_26_6(v_advance);
char_type c = gb.buf[i];
uint32_t ix = get_font_ix(font, c);
auto& glyph = glyphs[ix];
if (x + int_26_6(glyph.metrics.horiAdvance) <= window.box.x1) {
transform_glyph(parameter,
font->texture_width,
font->texture_height,
glyph,
x,
y
);
}
if (c == '\n') {
h_advance = 0;
v_advance += font->face_metrics.height;
if (int_26_6(v_advance + font->face_metrics.height) > window.box.y1) {
break;
}
} else {
h_advance += glyph.metrics.horiAdvance;
}
}
return cursor;
}
void render_cursor(ta_parameter_writer& parameter,
const cursor_advance& cursor,
const viewport_window& window)
{
float x = window.box.x0 + int_26_6(cursor.x);
float y = window.box.y0 + int_26_6(cursor.y);
float width = int_26_6(cursor.width);
float height = int_26_6(cursor.height);
transform_sprite(parameter,
x, // x
y, // y
width,
height
);
}
void render(ta_parameter_writer& parameter,
const font * font,
const glyph * glyphs,
const gap_buffer& gb,
const viewport_window& window)
{
cursor_advance cursor = render_primary_buffer(parameter, font, glyphs, gb, window);
parameter.append<ta_global_parameter::end_of_list>() = ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
render_cursor(parameter, cursor, window);
parameter.append<ta_global_parameter::end_of_list>() = ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
}

28
text_editor/render.hpp Normal file
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@ -0,0 +1,28 @@
#pragma once
#include <cstdint>
#include "holly/ta_parameter.hpp"
#include "font/font.hpp"
#include "gap_buffer.hpp"
#include "viewport_window.hpp"
struct cursor_advance {
int32_t x;
int32_t y;
int32_t width;
int32_t height;
};
cursor_advance render_primary_buffer(ta_parameter_writer& parameter,
const font * font,
const glyph * glyphs,
const gap_buffer& gb,
const viewport_window& window);
void render(ta_parameter_writer& parameter,
const font * font,
const glyph * glyphs,
const gap_buffer& gb,
const viewport_window& window);

551
text_editor/text_editor.cpp
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@ -1,154 +1,28 @@
#include <cstdint>
#include <bit>
#include "align.hpp"
#include "holly/video_output.hpp"
#include "twiddle.hpp"
#include "memorymap.hpp"
#include "holly/video_output.hpp"
#include "holly/region_array.hpp"
#include "holly/background.hpp"
#include "holly/texture_memory_alloc.hpp"
#include "holly/holly.hpp"
#include "holly/core.hpp"
#include "holly/core_bits.hpp"
#include "holly/ta_fifo_polygon_converter.hpp"
#include "holly/ta_parameter.hpp"
#include "holly/ta_global_parameter.hpp"
#include "holly/ta_vertex_parameter.hpp"
#include "holly/ta_bits.hpp"
#include "holly/isp_tsp.hpp"
#include "memorymap.hpp"
#include "holly/background.hpp"
#include "holly/region_array.hpp"
#include "twiddle.hpp"
#include "palette.hpp"
#include "string.hpp"
#include "sh7091/serial.hpp"
#include "maple/maple.hpp"
#include "maple/maple_impl.hpp"
#include "maple/maple_bus_bits.hpp"
#include "maple/maple_bus_commands.hpp"
#include "maple/maple_bus_ft0.hpp"
#include "maple/maple_bus_ft6.hpp"
#include "maple/maple_bus_ft6_key_scan_codes.hpp"
#include "font/font.hpp"
#include "ter_u20n.hpp"
#include "gap_buffer.hpp"
struct vertex {
float x;
float y;
float u;
float v;
};
const struct vertex strip_vertices[4] = {
// [ position ] [ uv coordinates ]
{ 0.f, 0.f, 0.f, 0.f, },
{ 1.f, 0.f, 1.f, 0.f, },
{ 1.f, 1.f, 1.f, 1.f, },
{ 0.f, 1.f, 0.f, 1.f, },
};
constexpr uint32_t strip_length = (sizeof (strip_vertices)) / (sizeof (struct vertex));
constexpr inline float float_26_6(int32_t n)
{
float v = n >> 6;
//float d = n & 63;
//return v + (d / 64.f);
return v;
}
void transform(ta_parameter_writer& parameter,
const uint32_t texture_width, uint32_t texture_height,
const glyph& glyph,
const float origin_x,
const float origin_y,
const bool invert = false)
{
const uint32_t parameter_control_word = para_control::para_type::sprite
| (invert ? para_control::list_type::translucent : para_control::list_type::opaque)
| obj_control::col_type::packed_color
| obj_control::texture
| obj_control::_16bit_uv;
const uint32_t isp_tsp_instruction_word = isp_tsp_instruction_word::depth_compare_mode::always
| isp_tsp_instruction_word::culling_mode::no_culling;
uint32_t tsp_instruction_word = tsp_instruction_word::fog_control::no_fog
| tsp_instruction_word::texture_u_size::from_int(texture_width)
| tsp_instruction_word::texture_v_size::from_int(texture_height);
if (invert) {
tsp_instruction_word |= tsp_instruction_word::src_alpha_instr::inverse_other_color
| tsp_instruction_word::dst_alpha_instr::inverse_other_color
;
} else {
tsp_instruction_word |= tsp_instruction_word::src_alpha_instr::one
| tsp_instruction_word::dst_alpha_instr::zero
;
}
const uint32_t texture_address = texture_memory_alloc::texture.start;
const uint32_t texture_control_word = texture_control_word::pixel_format::_4bpp_palette
| texture_control_word::scan_order::twiddled
| texture_control_word::palette_selector(invert)
| texture_control_word::texture_address(texture_address / 8);
parameter.append<ta_global_parameter::polygon_type_0>() =
ta_global_parameter::polygon_type_0(parameter_control_word,
isp_tsp_instruction_word,
tsp_instruction_word,
texture_control_word,
0, // data_size_for_sort_dma
0 // next_address_for_sort_dma
);
struct vertex out[strip_length];
for (uint32_t i = 0; i < strip_length; i++) {
float x = strip_vertices[i].x;
float y = strip_vertices[i].y;
x *= glyph.bitmap.width;
y *= glyph.bitmap.height;
x += origin_x + float_26_6(glyph.metrics.horiBearingX);
y += origin_y - float_26_6(glyph.metrics.horiBearingY);
float u = strip_vertices[i].u;
float v = strip_vertices[i].v;
u *= glyph.bitmap.width;
v *= glyph.bitmap.height;
u += glyph.bitmap.x;
v += glyph.bitmap.y;
u = u / static_cast<float>(texture_width);
v = v / static_cast<float>(texture_height);
out[i].x = x;
out[i].y = y;
out[i].u = u;
out[i].v = v;
}
const float z = 0.1f;
parameter.append<ta_vertex_parameter::sprite_type_1>() =
ta_vertex_parameter::sprite_type_1(para_control::para_type::vertex_parameter,
out[0].x,
out[0].y,
z,
out[1].x,
out[1].y,
z,
out[2].x,
out[2].y,
z,
out[3].x,
out[3].y,
uv_16bit(out[0].u, out[0].v),
uv_16bit(out[1].u, out[1].v),
uv_16bit(out[2].u, out[2].v)
);
}
#include "viewport_window.hpp"
#include "keyboard.hpp"
#include "render.hpp"
void init_texture_memory(const struct opb_size& opb_size)
{
@ -172,383 +46,17 @@ void inflate_font(const uint32_t * src,
uint32_t _command_buf[(1024 + 32) / 4];
uint32_t _receive_buf[(1024 + 32) / 4];
struct button_state {
bool ra;
bool la;
bool da;
bool ua;
bool a;
bool b;
bool x;
bool y;
bool start;
void reset()
{
ra = la = da = ua = 0;
a = b = x = y = 0;
start = 0;
}
};
void do_get_condition_controller(uint32_t * command_buf,
uint32_t * receive_buf,
button_state& buttons)
{
using command_type = get_condition;
using response_type = data_transfer<ft0::data_transfer::data_format>;
get_condition::data_fields data_fields = {
.function_type = std::byteswap(function_type::controller)
};
const uint32_t command_size = maple::init_host_command_all_ports<command_type, response_type>(command_buf, receive_buf, data_fields);
using host_response_type = struct maple::command_response<response_type::data_fields>;
auto host_response = reinterpret_cast<host_response_type *>(receive_buf);
maple::dma_start(command_buf, command_size,
receive_buf, maple::sizeof_command(host_response));
buttons.reset();
for (uint8_t port = 0; port < 4; port++) {
auto& bus_data = host_response[port].bus_data;
if (bus_data.command_code != response_type::command_code) {
continue;
}
auto& data_fields = bus_data.data_fields;
if ((data_fields.function_type & std::byteswap(function_type::controller)) == 0) {
continue;
}
buttons.ra |= ft0::data_transfer::digital_button::ra(data_fields.data.digital_button) == 0;
buttons.la |= ft0::data_transfer::digital_button::la(data_fields.data.digital_button) == 0;
buttons.da |= ft0::data_transfer::digital_button::da(data_fields.data.digital_button) == 0;
buttons.ua |= ft0::data_transfer::digital_button::ua(data_fields.data.digital_button) == 0;
buttons.a |= ft0::data_transfer::digital_button::a(data_fields.data.digital_button) == 0;
buttons.b |= ft0::data_transfer::digital_button::b(data_fields.data.digital_button) == 0;
buttons.x |= ft0::data_transfer::digital_button::x(data_fields.data.digital_button) == 0;
buttons.y |= ft0::data_transfer::digital_button::y(data_fields.data.digital_button) == 0;
buttons.start |= ft0::data_transfer::digital_button::start(data_fields.data.digital_button) == 0;
}
}
void do_get_condition_keyboard(uint32_t * command_buf,
uint32_t * receive_buf,
ft6::data_transfer::data_format& data)
{
using command_type = get_condition;
using response_type = data_transfer<ft6::data_transfer::data_format>;
get_condition::data_fields data_fields = {
.function_type = std::byteswap(function_type::keyboard)
};
const uint32_t command_size = maple::init_host_command_all_ports<command_type, response_type>(command_buf, receive_buf, data_fields);
using host_response_type = struct maple::command_response<response_type::data_fields>;
auto host_response = reinterpret_cast<host_response_type *>(receive_buf);
maple::dma_start(command_buf, command_size,
receive_buf, maple::sizeof_command(host_response));
for (uint8_t port = 0; port < 4; port++) {
auto& bus_data = host_response[port].bus_data;
if (bus_data.command_code != response_type::command_code) {
continue;
}
auto& data_fields = bus_data.data_fields;
if ((data_fields.function_type & std::byteswap(function_type::keyboard)) == 0) {
continue;
}
data.modifier_key = data_fields.data.modifier_key;
data.led_state = data_fields.data.led_state;
data.scan_code_array[0] = data_fields.data.scan_code_array[0];
data.scan_code_array[1] = data_fields.data.scan_code_array[1];
data.scan_code_array[2] = data_fields.data.scan_code_array[2];
data.scan_code_array[3] = data_fields.data.scan_code_array[3];
data.scan_code_array[4] = data_fields.data.scan_code_array[4];
data.scan_code_array[5] = data_fields.data.scan_code_array[5];
return;
}
}
uint32_t _ta_parameter_buf[((32 * 10 * 17) + 32) / 4];
struct editor_state {
gap_buffer gb;
viewport_window window;
};
void render_gap_buffer(ta_parameter_writer& parameter,
const struct font * font,
const struct glyph * glyphs,
gap_buffer& gb)
{
int32_t advance = 0;
int32_t cursor = 0;
for (int32_t i = 0; i <= gb.size; i++) {
if (i == gb.gap_start)
cursor = advance;
if (i == gb.size)
break;
char_type c;
if (i < gb.gap_start || i >= gb.gap_end) {
c = gb.buf[i];
} else {
c = '_';
}
uint32_t ix;
if (c >= font->first_char_code && c <= font->last_char_code) {
ix = c - font->first_char_code;
} else {
ix = '#' - font->first_char_code;
}
auto& glyph = glyphs[ix];
transform(parameter,
font->texture_width,
font->texture_height,
glyph,
10.f + float_26_6(advance), // x
100.f // y
);
advance += glyph.metrics.horiAdvance;
}
for (int32_t i = 0; i < gb.line.length; i++) {
int32_t j = gb.line.offsets[i];
auto& glyph = glyphs['X' - font->first_char_code];
transform(parameter,
font->texture_width,
font->texture_height,
glyph,
10.f + 10.f * j, // x
100.f - float_26_6(font->glyph_height) // y
);
}
auto& glyph = glyphs['^' - font->first_char_code];
transform(parameter,
font->texture_width, font->texture_height,
glyph,
10.f + float_26_6(cursor), // x
100.f + float_26_6(font->glyph_height) // y
);
{
auto& glyph = glyphs['`' - font->first_char_code];
int32_t j;
if (gb.line.gap < gb.line.length) {
j = gb.line.offsets[gb.line.gap];
} else {
j = gb.size;
}
transform(parameter,
font->texture_width, font->texture_height,
glyph,
10.f + 10.f * j, // x
100.f + float_26_6(font->glyph_height) * 2 // y
);
}
int32_t h_cursor = 0;
int32_t v_cursor = 0;
int32_t h_advance = 0;
int32_t v_advance = 0;
for (int32_t i = 0; i <= gb.size; i++) {
if (i == gb.gap_start) {
h_cursor = h_advance;
v_cursor = v_advance;
}
if (i == gb.size)
break;
char_type c;
if (i < gb.gap_start || i >= gb.gap_end) {
c = gb.buf[i];
} else {
continue;
}
uint32_t ix;
if (c >= font->first_char_code && c <= font->last_char_code) {
ix = c - font->first_char_code;
} else {
ix = '#' - font->first_char_code;
}
auto& glyph = glyphs[ix];
transform(parameter,
font->texture_width,
font->texture_height,
glyph,
350.f + float_26_6(h_advance), // x
100.f + float_26_6(v_advance) // y
);
if (c == '\n') {
h_advance = 0;
v_advance += font->glyph_height;
} else {
h_advance += glyph.metrics.horiAdvance;
}
}
{
int32_t advance = 0;
char buf[10];
string::dec(buf, 10, gap_column_number(gb));
int j;
for (j = 0; j < 9; j++) { if (buf[j] != '0') break; }
for (int i = j; i < 10; i++) {
uint8_t c = buf[i];
int32_t ix;
if (c >= font->first_char_code && c <= font->last_char_code) {
ix = c - font->first_char_code;
} else {
ix = '#' - font->first_char_code;
}
auto& glyph = glyphs[ix];
transform(parameter,
font->texture_width,
font->texture_height,
glyph,
50.f + float_26_6(advance), // x
400.f // y
);
advance += glyph.metrics.horiAdvance;
}
}
parameter.append<ta_global_parameter::end_of_list>() = ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
{
auto& glyph = glyphs[' ' - font->first_char_code];
transform(parameter,
font->texture_width, font->texture_height,
glyph,
350.f + float_26_6(h_cursor), // x
100.f + float_26_6(v_cursor), // y
true); // invert
}
parameter.append<ta_global_parameter::end_of_list>() = ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
}
void update_state(button_state& prev, button_state& next, editor_state& state)
{
if ((next.la == true) && (next.la != prev.la)) {
gap_cursor_pos(state.gb, -1);
}
if ((next.ra == true) && (next.ra != prev.ra)) {
gap_cursor_pos(state.gb, +1);
}
}
void debug_keyboard(ft6::data_transfer::data_format * keyboards, uint32_t frame_ix)
{
uint32_t this_frame = (frame_ix + 0) & 1;
bool difference = false;
for (int i = 0; i < 6; i++) {
if (keyboards[0].scan_code_array[i] != keyboards[1].scan_code_array[i]) {
difference = true;
break;
}
}
if (difference) {
for (int i = 0; i < 6; i++) {
serial::integer<uint8_t>(keyboards[this_frame].scan_code_array[i], ' ');
}
serial::string("\n");
}
}
void update_keyboard(ft6::data_transfer::data_format * keyboards, uint32_t frame_ix, gap_buffer& gb)
{
uint32_t this_frame = (frame_ix + 0) & 1;
uint32_t next_frame = (frame_ix + 1) & 1;
for (int i = 0; i < 6; i++) {
if (i < 5 && keyboards[this_frame].scan_code_array[i + 1] != ft6::scan_codes::no_operation)
continue;
bool make = true;
for (int j = 0; j < 6; j++) {
if (keyboards[next_frame].scan_code_array[j] == keyboards[this_frame].scan_code_array[i]) {
make = false;
break;
}
}
if (make) {
// make
uint8_t scan_code = keyboards[this_frame].scan_code_array[i];
switch (scan_code) {
case ft6::scan_codes::a_A: [[fallthrough]];
case ft6::scan_codes::b_B: [[fallthrough]];
case ft6::scan_codes::c_C: [[fallthrough]];
case ft6::scan_codes::d_D: [[fallthrough]];
case ft6::scan_codes::e_E: [[fallthrough]];
case ft6::scan_codes::f_F: [[fallthrough]];
case ft6::scan_codes::g_G: [[fallthrough]];
case ft6::scan_codes::h_H: [[fallthrough]];
case ft6::scan_codes::i_I: [[fallthrough]];
case ft6::scan_codes::j_J: [[fallthrough]];
case ft6::scan_codes::k_K: [[fallthrough]];
case ft6::scan_codes::l_L: [[fallthrough]];
case ft6::scan_codes::m_M: [[fallthrough]];
case ft6::scan_codes::n_N: [[fallthrough]];
case ft6::scan_codes::o_O: [[fallthrough]];
case ft6::scan_codes::p_P: [[fallthrough]];
case ft6::scan_codes::q_Q: [[fallthrough]];
case ft6::scan_codes::r_R: [[fallthrough]];
case ft6::scan_codes::s_S: [[fallthrough]];
case ft6::scan_codes::t_T: [[fallthrough]];
case ft6::scan_codes::u_U: [[fallthrough]];
case ft6::scan_codes::v_V: [[fallthrough]];
case ft6::scan_codes::w_W: [[fallthrough]];
case ft6::scan_codes::x_X: [[fallthrough]];
case ft6::scan_codes::y_Y: [[fallthrough]];
case ft6::scan_codes::z_Z:
{
char_type code_point = (scan_code - ft6::scan_codes::a_A) + 'a';
gap_append(gb, code_point);
}
break;
case ft6::scan_codes::_1_exclam: [[fallthrough]];
case ft6::scan_codes::_2_at: [[fallthrough]];
case ft6::scan_codes::_3_numbersign: [[fallthrough]];
case ft6::scan_codes::_4_dollar: [[fallthrough]];
case ft6::scan_codes::_5_percent: [[fallthrough]];
case ft6::scan_codes::_6_asciicircum: [[fallthrough]];
case ft6::scan_codes::_7_ampersand: [[fallthrough]];
case ft6::scan_codes::_8_asterisk: [[fallthrough]];
case ft6::scan_codes::_9_parenleft:
{
char_type code_point = (scan_code - ft6::scan_codes::_1_exclam) + '1';
gap_append(gb, code_point);
}
break;
case ft6::scan_codes::_0_parenright: gap_append(gb, '0'); break;
case ft6::scan_codes::_return: gap_append(gb, '\n'); break;
case ft6::scan_codes::backspace: gap_pop(gb); break;
case ft6::scan_codes::spacebar: gap_append(gb, ' '); break;
case ft6::scan_codes::left_arrow: gap_cursor_pos(gb, -1); break;
case ft6::scan_codes::right_arrow: gap_cursor_pos(gb, 1); break;
case ft6::scan_codes::up_arrow: gap_cursor_pos_line(gb, -1); break;
case ft6::scan_codes::down_arrow: gap_cursor_pos_line(gb, 1); break;
default:
break;
}
}
}
}
constexpr uint32_t buf_size = 16 * 1024;
char_type buf[buf_size];
constexpr uint32_t offsets_size = 1024;
int32_t offsets[offsets_size];
void main()
{
@ -565,8 +73,6 @@ void main()
holly.PAL_RAM_CTRL = pal_ram_ctrl::pixel_format::argb1555;
holly.PALETTE_RAM[0] = 0x8000;
holly.PALETTE_RAM[1] = 0xffff;
holly.PALETTE_RAM[16] = 0xffff;
holly.PALETTE_RAM[17] = 0x8000;
// The address of `ta_parameter_buf` must be a multiple of 32 bytes.
// This is mandatory for ch2-dma to the ta fifo polygon converter.
@ -574,13 +80,13 @@ void main()
constexpr uint32_t ta_alloc = ta_alloc_ctrl::pt_opb::no_list
| ta_alloc_ctrl::tm_opb::no_list
| ta_alloc_ctrl::t_opb::_16x4byte
//| ta_alloc_ctrl::t_opb::_16x4byte
| ta_alloc_ctrl::om_opb::no_list
| ta_alloc_ctrl::o_opb::_16x4byte;
constexpr struct opb_size opb_size = { .opaque = 16 * 4
, .opaque_modifier = 0
, .translucent = 16 * 4
//, .translucent = 16 * 4
, .translucent_modifier = 0
, .punch_through = 0
};
@ -596,27 +102,18 @@ void main()
uint32_t * command_buf = align_32byte(_command_buf);
uint32_t * receive_buf = align_32byte(_receive_buf);
struct button_state buttons[2] = { 0 };
struct editor_state state = { 0 };
// 01234567
char_type buf[64] = "abqb\neggs1\nbarley";
int32_t offsets[64];
gap_init_from_buf(state.gb, buf, 30, 17);
line_init_from_buf(state.gb, offsets, 64);
//gap_cursor_pos(state.gb, (-state.gb.gap_start) + 6);
//gap_append(state.gb, '\n');
gap_init_from_buf(state.gb, buf, buf_size, 0);
line_init_from_buf(state.gb, offsets, offsets_size);
viewport_init_fullscreen(state.window);
ft6::data_transfer::data_format keyboards[2] = { 0 };
while (true) {
(void)buttons;
//do_get_condition(command_buf, receive_buf, buttons[frame_ix & 1]);
//update_state(buttons[(frame_ix + 1) & 1], buttons[frame_ix & 1], state);
do_get_condition_keyboard(command_buf, receive_buf, keyboards[frame_ix & 1]);
debug_keyboard(keyboards, frame_ix);
update_keyboard(keyboards, frame_ix, state.gb);
keyboard_do_get_condition(command_buf, receive_buf, keyboards[frame_ix & 1]);
keyboard_debug(keyboards, frame_ix);
keyboard_update(keyboards, frame_ix, state.gb);
ta_polygon_converter_init(opb_size.total(),
ta_alloc,
@ -624,7 +121,7 @@ void main()
480 / 32);
auto parameter = ta_parameter_writer(ta_parameter_buf);
render_gap_buffer(parameter, font, glyphs, state.gb);
render(parameter, font, glyphs, state.gb, state.window);
ta_polygon_converter_transfer(parameter.buf, parameter.offset);
ta_wait_opaque_list();

3
text_editor/text_editor.mk
View File

@ -1,6 +1,9 @@
TEXT_EDITOR_OBJ = \
text_editor/text_editor.o \
text_editor/gap_buffer.o \
text_editor/render.o \
text_editor/keyboard.o \
text_editor/transform.o \
holly/video_output.o \
holly/core.o \
holly/region_array.o \

160
text_editor/transform.cpp Normal file
View File

@ -0,0 +1,160 @@
#include "transform.hpp"
#include "holly/isp_tsp.hpp"
#include "holly/texture_memory_alloc.hpp"
#include "holly/ta_global_parameter.hpp"
#include "holly/ta_vertex_parameter.hpp"
constexpr inline float float_26_6(int32_t n)
{
float v = n >> 6;
//float d = n & 63;
//return v + (d / 64.f);
return v;
}
struct vertex {
float x;
float y;
float u;
float v;
};
const struct vertex strip_vertices[4] = {
// [ position ] [ uv coordinates ]
{ 0.f, 0.f, 0.f, 0.f, },
{ 1.f, 0.f, 1.f, 0.f, },
{ 1.f, 1.f, 1.f, 1.f, },
{ 0.f, 1.f, 0.f, 1.f, },
};
constexpr uint32_t strip_length = (sizeof (strip_vertices)) / (sizeof (struct vertex));
void transform_sprite(ta_parameter_writer& parameter,
const float origin_x,
const float origin_y,
const float width,
const float height)
{
const uint32_t parameter_control_word = para_control::para_type::sprite
| para_control::list_type::translucent
| obj_control::col_type::packed_color;
const uint32_t isp_tsp_instruction_word = isp_tsp_instruction_word::depth_compare_mode::always
| isp_tsp_instruction_word::culling_mode::no_culling;
const uint32_t tsp_instruction_word = tsp_instruction_word::src_alpha_instr::inverse_other_color
| tsp_instruction_word::dst_alpha_instr::zero
| tsp_instruction_word::fog_control::no_fog;
constexpr uint32_t base_color = 0xffffffff;
parameter.append<ta_global_parameter::sprite>() =
ta_global_parameter::sprite(parameter_control_word,
isp_tsp_instruction_word,
tsp_instruction_word,
0, // texture_control_word
base_color,
0, // offset_color
0, // data_size_for_sort_dma
0 // next_address_for_sort_dma
);
const float z = 0.1f;
parameter.append<ta_vertex_parameter::sprite_type_0>() =
ta_vertex_parameter::sprite_type_0(para_control::para_type::vertex_parameter,
strip_vertices[0].x * width + origin_x,
strip_vertices[0].y * height + origin_y,
z,
strip_vertices[1].x * width + origin_x,
strip_vertices[1].y * height + origin_y,
z,
strip_vertices[2].x * width + origin_x,
strip_vertices[2].y * height + origin_y,
z,
strip_vertices[3].x * width + origin_x,
strip_vertices[3].y * height + origin_y
);
}
void transform_glyph(ta_parameter_writer& parameter,
const uint32_t texture_width, uint32_t texture_height,
const glyph& glyph,
const float origin_x,
const float origin_y)
{
const uint32_t parameter_control_word = para_control::para_type::sprite
| para_control::list_type::opaque
| obj_control::col_type::packed_color
| obj_control::texture
| obj_control::_16bit_uv;
const uint32_t isp_tsp_instruction_word = isp_tsp_instruction_word::depth_compare_mode::always
| isp_tsp_instruction_word::culling_mode::no_culling;
const uint32_t tsp_instruction_word = tsp_instruction_word::src_alpha_instr::one
| tsp_instruction_word::dst_alpha_instr::zero
| tsp_instruction_word::fog_control::no_fog
| tsp_instruction_word::texture_u_size::from_int(texture_width)
| tsp_instruction_word::texture_v_size::from_int(texture_height);
const uint32_t texture_address = texture_memory_alloc::texture.start;
const uint32_t texture_control_word = texture_control_word::pixel_format::_4bpp_palette
| texture_control_word::scan_order::twiddled
| texture_control_word::palette_selector(0)
| texture_control_word::texture_address(texture_address / 8);
parameter.append<ta_global_parameter::sprite>() =
ta_global_parameter::sprite(parameter_control_word,
isp_tsp_instruction_word,
tsp_instruction_word,
texture_control_word,
0, // base_color
0, // offset_color
0, // data_size_for_sort_dma
0 // next_address_for_sort_dma
);
struct vertex out[strip_length];
for (uint32_t i = 0; i < strip_length; i++) {
float x = strip_vertices[i].x;
float y = strip_vertices[i].y;
x *= glyph.bitmap.width;
y *= glyph.bitmap.height;
x += origin_x + float_26_6(glyph.metrics.horiBearingX);
y += origin_y - float_26_6(glyph.metrics.horiBearingY);
float u = strip_vertices[i].u;
float v = strip_vertices[i].v;
u *= glyph.bitmap.width;
v *= glyph.bitmap.height;
u += glyph.bitmap.x;
v += glyph.bitmap.y;
u = u / static_cast<float>(texture_width);
v = v / static_cast<float>(texture_height);
out[i].x = x;
out[i].y = y;
out[i].u = u;
out[i].v = v;
}
const float z = 0.1f;
parameter.append<ta_vertex_parameter::sprite_type_1>() =
ta_vertex_parameter::sprite_type_1(para_control::para_type::vertex_parameter,
out[0].x,
out[0].y,
z,
out[1].x,
out[1].y,
z,
out[2].x,
out[2].y,
z,
out[3].x,
out[3].y,
uv_16bit(out[0].u, out[0].v),
uv_16bit(out[1].u, out[1].v),
uv_16bit(out[2].u, out[2].v)
);
}

18
text_editor/transform.hpp Normal file
View File

@ -0,0 +1,18 @@
#pragma once
#include <cstdint>
#include "holly/ta_parameter.hpp"
#include "font/font.hpp"
void transform_sprite(ta_parameter_writer& parameter,
const float origin_x,
const float origin_y,
const float width,
const float height);
void transform_glyph(ta_parameter_writer& parameter,
const uint32_t texture_width, uint32_t texture_height,
const glyph& glyph,
const float origin_x,
const float origin_y);

22
text_editor/viewport_window.hpp Normal file
View File

@ -0,0 +1,22 @@
#pragma once
#include <cstdint>
struct viewport_window {
int32_t first_line;
struct {
int32_t x0;
int32_t y0;
int32_t x1;
int32_t y1;
} box;
};
inline void viewport_init_fullscreen(viewport_window& window)
{
window.first_line = -1;
window.box.x0 = 10;
window.box.y0 = 20;
window.box.x1 = 640 - 10;
window.box.y1 = 480 - 20;
}

3
tools/ttf_outline.cpp
View File

@ -289,7 +289,8 @@ int main(int argc, char *argv[])
font font;
font.first_char_code = byteswap<uint32_t>(start);
font.last_char_code = byteswap<uint32_t>(end);
font.glyph_height = byteswap<int32_t>(face->size->metrics.height);
font.face_metrics.height = byteswap<int32_t>(face->size->metrics.height);
font.face_metrics.max_advance = byteswap<int32_t>(face->size->metrics.max_advance);
font.glyph_count = byteswap<uint16_t>(num_glyphs);
font.texture_stride = byteswap<uint16_t>(texture_stride);
font.texture_width = byteswap<uint16_t>(window_curve_ix.window.width);