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annotate nuklear_ui/debug_ui.c @ 2697:d1a79e4ba26a default tip

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Fix regression in oscilloscope and composition debug views
author Michael Pavone <pavone@retrodev.com>
date Fri, 20 Jun 2025 10:01:17 -0700
parents 25fc676e3521
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #include <limits.h>
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2 #include <string.h>
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3 #include <stdlib.h>
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4
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5 #include "blastem_nuklear.h"
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6 #include "../blastem.h"
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7 #include "../genesis.h"
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8 #include "../sms.h"
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9 #include "../coleco.h"
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10
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11 typedef struct {
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12 struct nk_context *context;
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13 uint32_t tex_width;
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14 uint32_t tex_height;
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15 uint8_t win_idx;
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16 } debug_window;
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17
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18 static debug_window windows[NUM_DEBUG_TYPES];
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19
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20 static void debug_handle_event(uint8_t which, SDL_Event *event)
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21 {
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22 for (int i = 0; i < NUM_DEBUG_TYPES; i++)
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23 {
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24 if (windows[i].win_idx == which) {
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25 nk_sdl_handle_event(windows[i].context, event);
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26 break;
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27 }
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28 }
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29 }
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30
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31 #ifndef DISABLE_OPENGL
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32 vdp_context *get_vdp(void)
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33 {
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34 if (!current_system) {
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35 return NULL;
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36 }
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37 switch (current_system->type)
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38 {
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39 case SYSTEM_GENESIS:
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40 case SYSTEM_SEGACD:
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41 case SYSTEM_PICO:
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42 case SYSTEM_COPERA:
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43 return ((genesis_context *)current_system)->vdp;
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44 case SYSTEM_SMS:
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45 case SYSTEM_GAME_GEAR:
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46 case SYSTEM_SG1000:
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47 case SYSTEM_SC3000:
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48 return ((sms_context *)current_system)->vdp;
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49 case SYSTEM_COLECOVISION:
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50 return ((coleco_context *)current_system)->vdp;
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51 default:
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52 return NULL;
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53 }
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54 }
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55
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56 static void plane_debug_ui(void)
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57 {
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58 vdp_context *vdp = get_vdp();
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59 if (!vdp) {
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60 return;
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61 }
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62 struct nk_context *context = windows[DEBUG_PLANE].context;
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63 nk_input_end(context);
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64 struct nk_image main_image = nk_image_id((int)render_get_window_texture(windows[DEBUG_PLANE].win_idx));
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65 if (nk_begin(context, "Plane Debug", nk_rect(0, 0, windows[DEBUG_PLANE].tex_width + 100 + 8, windows[DEBUG_PLANE].tex_height + 8), NK_WINDOW_NO_SCROLLBAR)) {
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66 nk_layout_space_begin(context, NK_STATIC, windows[DEBUG_PLANE].tex_height, INT_MAX);
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67 nk_layout_space_push(context, nk_rect(100, 0, windows[DEBUG_PLANE].tex_width, windows[DEBUG_PLANE].tex_height));
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68 nk_image(context, main_image);
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69 struct nk_rect bounds = nk_layout_widget_bounds(context);
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70 bounds.x += 100;
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71 bounds.w -= 100;
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72 char buf[64];
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73 if (nk_input_is_mouse_hovering_rect(&context->input, bounds)) {
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74 //TODO: display plane position
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75 int x = context->input.mouse.pos.x - bounds.x;
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76 int y = context->input.mouse.pos.y - bounds.y;
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77 switch (vdp->debug_modes[DEBUG_PLANE])
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78 {
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79 case 0:
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80 case 1:
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81 y &= 0xFF | (vdp->regs[REG_SCROLL] & 0x30) << 4;
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82 switch(vdp->regs[REG_SCROLL] & 0x3)
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83 {
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84 case 0:
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85 x &= 0xFF;
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86 break;
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87 case 0x1:
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88 x &= 0x1FF;
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89 break;
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90 case 0x2:
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91 x &= 0xFF;
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92 break;
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93 case 0x3:
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94 x &= 0x3FF;
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95 break;
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96 }
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97 break;
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98 case 2:
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99 y &= 0xFF;
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100 if (vdp->regs[REG_MODE_4] & BIT_H40) {
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101 x &= 0x1FF;
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102 } else {
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103 x &= 0xFF;
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104 }
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105 break;
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106 case 3:
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107 x >>= 1;
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108 y >>= 1;
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109 x -= 128;
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110 y -= 128;
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111 break;
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112 }
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113 nk_layout_space_push(context, nk_rect(0, windows[DEBUG_PLANE].tex_height - 52, 100, 32));
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114 snprintf(buf, sizeof(buf), "X: %d", x);
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115 nk_label(context, buf, NK_TEXT_LEFT);
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116 nk_layout_space_push(context, nk_rect(0, windows[DEBUG_PLANE].tex_height - 32, 100, 32));
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117 snprintf(buf, sizeof(buf), "Y: %d", y);
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118 nk_label(context, buf, NK_TEXT_LEFT);
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119 }
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120 static const char* names[] = {
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121 "Plane A",
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122 "Plane B",
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123 "Window",
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124 "Sprites"
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125 };
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126 for (int i = 0; i < 4; i++)
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127 {
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128 nk_layout_space_push(context, nk_rect(0, i * 32, 100, 32));
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129 int selected = i == vdp->debug_modes[DEBUG_PLANE];
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130 nk_selectable_label(context, names[i], NK_TEXT_ALIGN_LEFT, &selected);
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131 if (selected) {
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132 vdp->debug_modes[DEBUG_PLANE] = i;
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133 }
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134 }
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135 nk_end(context);
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136 }
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137 nk_sdl_render(context, NK_ANTI_ALIASING_ON, 512 * 1024, 128 * 1024);
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138 nk_input_begin(context);
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139 }
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140
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141 void write_cram_internal(vdp_context * context, uint16_t addr, uint16_t value);
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142 static void cram_debug_ui(void)
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143 {
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144 vdp_context *vdp = get_vdp();
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145 if (!vdp) {
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146 return;
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147 }
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148 struct nk_context *context = windows[DEBUG_CRAM].context;
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149 nk_input_end(context);
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150 char buf[64];
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151
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152 struct nk_image main_image = nk_image_id((int)render_get_window_texture(windows[DEBUG_CRAM].win_idx));
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153 if (nk_begin(context, "CRAM Debug", nk_rect(0, 0, windows[DEBUG_CRAM].tex_width + 100 + 8, windows[DEBUG_CRAM].tex_height + 8), NK_WINDOW_NO_SCROLLBAR)) {
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154 nk_layout_space_begin(context, NK_STATIC, windows[DEBUG_CRAM].tex_height, INT_MAX);
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155 nk_layout_space_push(context, nk_rect(100, 0, windows[DEBUG_CRAM].tex_width, windows[DEBUG_CRAM].tex_height));
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156 nk_image(context, main_image);
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157 struct nk_rect bounds = nk_layout_widget_bounds(context);
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158 bounds.x += 100;
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159 bounds.w -= 100;
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160 bounds.h = (vdp->flags2 & FLAG2_REGION_PAL) ? 313 : 262;
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161 if (nk_input_is_mouse_hovering_rect(&context->input, bounds)) {
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162 int off_y = context->input.mouse.pos.y - bounds.y;
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163 int off_x = context->input.mouse.pos.x - bounds.x;
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164 pixel_t pix = vdp->debug_fbs[DEBUG_CRAM][off_y * vdp->debug_fb_pitch[DEBUG_CRAM] / sizeof(pixel_t) + off_x];
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165 #ifdef USE_GLES
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166 pixel_t b = pix >> 20 & 0xE, g = pix >> 12 & 0xE, r = pix >> 4 & 0xE;
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167 #else
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168 pixel_t r = pix >> 20 & 0xE, g = pix >> 12 & 0xE, b = pix >> 4 & 0xE;
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169 #endif
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170 pix = b << 8 | g << 4 | r;
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171 snprintf(buf, sizeof(buf), "Line: %d, Index: %d, Value: %03X", off_y- vdp->border_top, off_x >> 3, pix & 0xFFFFFF);
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172 nk_layout_space_push(context, nk_rect(100, 512 - 32*5, windows[DEBUG_CRAM].tex_width, 32));
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173 nk_label(context, buf, NK_TEXT_LEFT);
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174 }
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175 bounds.y += 512-32*4;
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176 bounds.h = 32*4;
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177 if (nk_input_is_mouse_hovering_rect(&context->input, bounds)) {
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178 int index = ((((int)(context->input.mouse.pos.y - bounds.y)) >> 1) & 0xF0) + (((int)(context->input.mouse.pos.x - bounds.x)) >> 5);
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179 snprintf(buf, sizeof(buf), "Index: %2d, Value: %03X", index, vdp->cram[index]);
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180 nk_layout_space_push(context, nk_rect(100, 512 - 32*5, windows[DEBUG_CRAM].tex_width, 32));
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181 nk_label(context, buf, NK_TEXT_LEFT);
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182 }
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183
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184 static struct nk_scroll scroll;
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185 context->style.window.scrollbar_size.y = 0;
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186 nk_layout_space_push(context, nk_rect(0, 0, 100, windows[DEBUG_CRAM].tex_height));
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187 if (nk_group_scrolled_begin(context, &scroll, "Entries", 0)) {
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188 nk_layout_space_begin(context, NK_STATIC, windows[DEBUG_CRAM].tex_height * 4, INT_MAX);
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189 for (int i = 0; i < 64; i++)
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diff changeset
190 {
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191 nk_layout_space_push(context, nk_rect(0, i *32, 25, 32));
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diff changeset
192 snprintf(buf, sizeof(buf), "%d", i);
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193 nk_label(context, buf, NK_TEXT_RIGHT);
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diff changeset
194 nk_layout_space_push(context, nk_rect(30, i *32, 50, 32));
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diff changeset
195 snprintf(buf, sizeof(buf), "%03X", vdp->cram[i] & 0xEEE);
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diff changeset
196 nk_edit_string_zero_terminated(context, NK_EDIT_FIELD, buf, sizeof(buf), nk_filter_hex);
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diff changeset
197 char *end;
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diff changeset
198 long newv = strtol(buf, &end, 16);
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diff changeset
199 if (end != buf && newv != vdp->cram[i]) {
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diff changeset
200 write_cram_internal(vdp, i, newv & 0xEEE);
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diff changeset
201 }
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diff changeset
202 }
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diff changeset
203 nk_layout_space_end(context);
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diff changeset
204 nk_group_scrolled_end(context);
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diff changeset
205 }
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diff changeset
206
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207 nk_end(context);
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208 }
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209 nk_sdl_render(context, NK_ANTI_ALIASING_ON, 512 * 1024, 128 * 1024);
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210
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211 nk_input_begin(context);
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212 }
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diff changeset
213 #endif
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diff changeset
214
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diff changeset
215 uint8_t debug_create_window(uint8_t debug_type, char *caption, uint32_t width, uint32_t height, window_close_handler close_handler)
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diff changeset
216 {
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diff changeset
217 #ifndef DISABLE_OPENGL
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diff changeset
218 if (!render_has_gl()) {
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diff changeset
219 #endif
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diff changeset
220 return render_create_window(caption, width, height, close_handler);
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diff changeset
221 #ifndef DISABLE_OPENGL
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diff changeset
222 }
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diff changeset
223 uint32_t win_width = width, win_height = height;
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diff changeset
224 ui_render_fun render = NULL;
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diff changeset
225 switch (debug_type)
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diff changeset
226 {
2696
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diff changeset
227 case DEBUG_PLANE:
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228 win_width += 100;
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diff changeset
229 render = plane_debug_ui;
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diff changeset
230 break;
2693
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diff changeset
231 case DEBUG_CRAM:
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diff changeset
232 win_width += 100;
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diff changeset
233 render = cram_debug_ui;
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diff changeset
234 break;
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parents:
diff changeset
235 }
46dba737b931 WIP Nuklear UI in VDP debug windows
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diff changeset
236 if (render) {
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parents:
diff changeset
237 //compensate for padding
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diff changeset
238 win_width += 4 * 2;
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diff changeset
239 win_height += 4 * 2;
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diff changeset
240 windows[debug_type].win_idx = render_create_window_tex(caption, win_width, win_height, width, height, close_handler);
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diff changeset
241 windows[debug_type].tex_width = width;
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diff changeset
242 windows[debug_type].tex_height = width;
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diff changeset
243 windows[debug_type].context = shared_nuklear_init(windows[debug_type].win_idx);
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parents:
diff changeset
244 render_set_ui_render_fun(windows[debug_type].win_idx, render);
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diff changeset
245 render_set_event_handler(windows[debug_type].win_idx, debug_handle_event);
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diff changeset
246 return windows[debug_type].win_idx;
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diff changeset
247 } else {
46dba737b931 WIP Nuklear UI in VDP debug windows
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diff changeset
248 return render_create_window(caption, width, height, close_handler);
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diff changeset
249 }
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diff changeset
250 #endif
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parents:
diff changeset
251 }