raspberry pi port
This commit is contained in:
Dave
notaz
parent
6a298de481
commit
ffa573f880
4
common.h
4
common.h
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@ -270,4 +270,8 @@ typedef u32 fixed8_24;
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#include "pandora/pnd.h"
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#endif
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#ifdef RPI_BUILD
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#include "raspberrypi/rpi.h"
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#endif
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#endif
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35
gui.c
35
gui.c
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@ -552,7 +552,7 @@ typedef enum
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NUMBER_SELECTION_OPTION = 0x01,
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STRING_SELECTION_OPTION = 0x02,
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SUBMENU_OPTION = 0x04,
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ACTION_OPTION = 0x08
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ACTION_OPTION = 0x08,
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} menu_option_type_enum;
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struct _menu_type
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@ -746,6 +746,13 @@ u32 gamepad_config_line_to_button[] =
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#endif
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#ifdef RPI_BUILD
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u32 gamepad_config_line_to_button[] =
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{ 0, 2, 1, 3, 8, 9, 10, 11, 6, 7, 4, 5, 12, 13, 14, 15 };
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#endif
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static const char *scale_options[] =
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{
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#ifdef PSP_BUILD
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@ -759,6 +766,8 @@ static const char *scale_options[] =
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"unscaled", "2x", "3x", "fullscreen"
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#elif defined(GP2X_BUILD)
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"unscaled 3:2", "scaled 3:2", "fullscreen", "scaled 3:2 (software)"
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#elif defined(RPI_BUILD)
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"fullscreen"
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#else
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"unscaled 3:2"
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#endif
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@ -843,10 +852,15 @@ s32 load_game_config_file()
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if(file_loaded)
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return 0;
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#ifdef RPI_BUILD
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current_frameskip_type = manual_frameskip;
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frameskip_value = 1;
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#else
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current_frameskip_type = auto_frameskip;
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frameskip_value = 4;
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#ifdef POLLUX_BUILD
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frameskip_value = 1;
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#endif
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#endif
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random_skip = 0;
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clock_speed = default_clock_speed;
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@ -1213,10 +1227,6 @@ u32 menu(u16 *original_screen)
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reg[CHANGED_PC_STATUS] = 1;
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menu_update_clock();
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}
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else
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{
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choose_menu(current_menu);
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}
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}
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void menu_restart()
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@ -1329,8 +1339,9 @@ u32 menu(u16 *original_screen)
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static const char *update_backup_options[] = { "Exit only", "Automatic" };
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// Marker for help information, don't go past this mark (except \n)------*
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menu_option_type graphics_sound_options[] =
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{
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menu_option_type graphics_sound_options[] =
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{
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#ifndef RPI_BUILD
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string_selection_option(NULL, "Display scaling", scale_options,
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(u32 *)(&screen_scale),
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sizeof(scale_options) / sizeof(scale_options[0]),
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@ -1344,6 +1355,8 @@ u32 menu(u16 *original_screen)
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#endif
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#endif
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"", 2),
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#endif
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#ifndef GP2X_BUILD
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string_selection_option(NULL, "Screen filtering", yes_no_options,
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(u32 *)(&screen_filter), 2,
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@ -1352,7 +1365,7 @@ u32 menu(u16 *original_screen)
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"smooth image, at the cost of being blurry and having less vibrant\n"
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"colors.", 3),
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#endif
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#ifdef PND_BUILD
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#if defined (PND_BUILD)
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string_selection_option(NULL, "Scaling filter", filter2_options,
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(u32 *)(&screen_filter2),
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sizeof(filter2_options) / sizeof(filter2_options[0]),
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@ -1572,7 +1585,7 @@ u32 menu(u16 *original_screen)
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#endif
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#ifdef PC_BUILD
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#if defined(PC_BUILD) || defined(RPI_BUILD)
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menu_option_type gamepad_config_options[] =
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{
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@ -1801,6 +1814,10 @@ u32 menu(u16 *original_screen)
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if(current_option->option_type & SUBMENU_OPTION)
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choose_menu(current_option->sub_menu);
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if(current_menu == &main_menu)
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choose_menu(&main_menu);
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break;
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default:
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126
input.c
126
input.c
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@ -555,8 +555,49 @@ void init_input()
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#endif
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#if defined(RPI_BUILD)
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#ifdef PC_BUILD
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u32 key_map(SDLKey key_sym)
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{
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switch(key_sym)
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{
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case SDLK_a:
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return BUTTON_L;
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case SDLK_s:
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return BUTTON_R;
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case SDLK_DOWN:
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return BUTTON_DOWN;
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case SDLK_UP:
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return BUTTON_UP;
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case SDLK_LEFT:
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return BUTTON_LEFT;
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case SDLK_RIGHT:
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return BUTTON_RIGHT;
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case SDLK_RETURN:
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return BUTTON_START;
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case SDLK_BACKSPACE:
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return BUTTON_SELECT;
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case SDLK_x:
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return BUTTON_B;
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case SDLK_z:
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return BUTTON_A;
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default:
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return BUTTON_NONE;
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}
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}
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#endif
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#if defined(PC_BUILD)
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u32 key_map(SDLKey key_sym)
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{
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@ -596,6 +637,8 @@ u32 key_map(SDLKey key_sym)
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return BUTTON_NONE;
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}
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}
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#endif
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#if defined(PC_BUILD) || defined(RPI_BUILD)
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u32 joy_map(u32 button)
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{
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@ -607,16 +650,16 @@ u32 joy_map(u32 button)
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case 5:
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return BUTTON_R;
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case 9:
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case 2:
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return BUTTON_START;
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case 8:
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case 3:
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return BUTTON_SELECT;
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case 0:
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case 1:
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return BUTTON_B;
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case 1:
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case 0:
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return BUTTON_A;
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default:
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@ -632,7 +675,7 @@ gui_action_type get_gui_input()
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delay_us(30000);
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while(SDL_PollEvent(&event))
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{
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{
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switch(event.type)
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{
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case SDL_QUIT:
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@ -669,15 +712,49 @@ gui_action_type get_gui_input()
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case SDLK_BACKSPACE:
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gui_action = CURSOR_BACK;
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break;
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default:
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break;
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}
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break;
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default:
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break;
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}
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}
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}
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break;
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#ifdef RPI_BUILD
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case SDL_JOYBUTTONDOWN:
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{
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switch (event.jbutton.button)
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{
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case 2:
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gui_action = CURSOR_BACK;
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break;
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case 1:
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gui_action = CURSOR_EXIT;
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break;
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case 0:
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gui_action = CURSOR_SELECT;
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break;
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}
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}
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break;
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case SDL_JOYAXISMOTION:
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{
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if (event.jaxis.axis==0) { //Left-Right
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if (event.jaxis.value < -3200) gui_action = CURSOR_LEFT;
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else if (event.jaxis.value > 3200) gui_action = CURSOR_RIGHT;
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}
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if (event.jaxis.axis==1) { //Up-Down
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if (event.jaxis.value < -3200) gui_action = CURSOR_UP;
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else if (event.jaxis.value > 3200) gui_action = CURSOR_DOWN;
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}
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}
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break;
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#endif
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default:
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break;
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}
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}
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return gui_action;
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}
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@ -698,8 +775,11 @@ u32 update_input()
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{
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quit();
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}
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#ifdef PC_BUILD
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if(event.key.keysym.sym == SDLK_BACKSPACE)
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#else
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if(event.key.keysym.sym == SDLK_F10)
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#endif
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{
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u16 *screen_copy = copy_screen();
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u32 ret_val = menu(screen_copy);
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@ -708,7 +788,7 @@ u32 update_input()
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return ret_val;
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}
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else
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#ifdef PC_BUILD
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if(event.key.keysym.sym == SDLK_F1)
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{
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debug_on();
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@ -741,7 +821,7 @@ u32 update_input()
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dump_translation_cache();
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}
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else
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#endif
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if(event.key.keysym.sym == SDLK_F5)
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{
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char current_savestate_filename[512];
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@ -795,6 +875,22 @@ u32 update_input()
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key &= ~(joy_map(event.jbutton.button));
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break;
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}
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#ifdef RPI_BUILD
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case SDL_JOYAXISMOTION:
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{
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if (event.jaxis.axis==0) { //Left-Right
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key &= ~(BUTTON_LEFT|BUTTON_RIGHT);
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if (event.jaxis.value < -3200) key |= BUTTON_LEFT;
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else if (event.jaxis.value > 3200) key |= BUTTON_RIGHT;
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}
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if (event.jaxis.axis==1) { //Up-Down
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key &= ~(BUTTON_UP|BUTTON_DOWN);
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if (event.jaxis.value < -3200) key |= BUTTON_UP;
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else if (event.jaxis.value > 3200) key |= BUTTON_DOWN;
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}
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break;
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#endif
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}
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}
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}
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10
main.c
10
main.c
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@ -38,8 +38,14 @@ debug_state current_debug_state = RUN;
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//u32 breakpoint_value = 0;
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#ifdef RPI_BUILD
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frameskip_type current_frameskip_type = manual_frameskip; //manual; //auto_frameskip;
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u32 global_cycles_per_instruction = 1;
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#else
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frameskip_type current_frameskip_type = auto_frameskip;
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u32 global_cycles_per_instruction = 1;
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#endif
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u32 random_skip = 0;
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u32 fps_debug = 0;
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@ -821,7 +827,7 @@ void synchronize()
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}
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else if (synchronize_flag)
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{
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#if defined(PND_BUILD)
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#if defined(PND_BUILD) || defined(RPI_BUILD)
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fb_wait_vsync();
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#elif !defined(GP2X_BUILD) // sleeping on GP2X is a bad idea
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delay_us((u64)virtual_frame_count * 50000 / 3 - new_ticks + 2);
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@ -867,7 +873,7 @@ void synchronize()
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interval_skipped_frames += skip_next_frame;
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#if !defined(GP2X_BUILD) && !defined(PND_BUILD)
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#if !defined(GP2X_BUILD) && !defined(PND_BUILD) && !defined(RPI_BUILD)
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char char_buffer[64];
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sprintf(char_buffer, "gpSP: %2d (%2d) fps", fps, frames_drawn);
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SDL_WM_SetCaption(char_buffer, "gpSP");
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@ -0,0 +1,44 @@
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# gpSP makefile
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# Gilead Kutnick - Exophase
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# pandora port - notaz
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# respberry pi - DPR
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# Global definitions
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CC = gcc
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OBJS = rpi.o main.o cpu.o memory.o video.o input.o sound.o gui.o \
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cheats.o zip.o arm_stub.o warm.o cpu_threaded.o\
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gles_video.o video_blend.o
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BIN = gpsp
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# Platform specific definitions
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VPATH += .. ../arm
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CFLAGS += -DARM_ARCH -DRPI_BUILD -Wall
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CFLAGS += -O3 -mfpu=vfp
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CFLAGS += `sdl-config --cflags`
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CFLAGS += -I$(SDKSTAGE)/opt/vc/include -I$(SDKSTAGE)/opt/vc/include/interface/vcos/pthreads
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# expecting to have PATH set up to get correct sdl-config first
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LIBS += `sdl-config --libs`
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LIBS += -ldl -lpthread -lz
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LIBS += -L$(SDKSTAGE)/opt/vc/lib/ -lGLESv2 -lEGL -lopenmaxil -lbcm_host -lvcos -lvchiq_arm -lrt
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# Compilation:
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all: $(BIN)
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%.o: %.S
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$(CC) $(CFLAGS) -c -o $@ $<
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cpu.o cpu_threaded.o: CFLAGS += -Wno-unused-variable -Wno-unused-label
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$(BIN): $(OBJS)
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$(CC) $(OBJS) $(LIBS) -o $(BIN)
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clean:
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rm -f *.o $(BIN)
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@ -0,0 +1,393 @@
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#include "bcm_host.h"
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#include "GLES/gl.h"
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#include "EGL/egl.h"
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#include "EGL/eglext.h"
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#include "GLES2/gl2.h"
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <memory.h>
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static uint32_t frame_width = 0;
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static uint32_t frame_height = 0;
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#define SHOW_ERROR gles_show_error();
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static void SetOrtho(GLfloat m[4][4], GLfloat left, GLfloat right, GLfloat bottom, GLfloat top, GLfloat near, GLfloat far, GLfloat scale_x, GLfloat scale_y);
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static const char* vertex_shader =
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"uniform mat4 u_vp_matrix; \n"
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"attribute vec4 a_position; \n"
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"attribute vec2 a_texcoord; \n"
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"varying mediump vec2 v_texcoord; \n"
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"void main() \n"
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"{ \n"
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" v_texcoord = a_texcoord; \n"
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" gl_Position = u_vp_matrix * a_position; \n"
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"} \n";
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static const char* fragment_shader =
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"varying mediump vec2 v_texcoord; \n"
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"uniform sampler2D u_texture; \n"
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"void main() \n"
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"{ \n"
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" gl_FragColor = texture2D(u_texture, v_texcoord); \n"
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"} \n";
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/*
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static const GLfloat vertices[] =
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{
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-0.5f, -0.5f, 0.0f,
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+0.5f, -0.5f, 0.0f,
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+0.5f, +0.5f, 0.0f,
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-0.5f, +0.5f, 0.0f,
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};
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*/
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static const GLfloat vertices[] =
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{
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-0.5f, -0.5f, 0.0f,
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-0.5f, +0.5f, 0.0f,
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+0.5f, +0.5f, 0.0f,
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+0.5f, -0.5f, 0.0f,
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};
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#define TEX_WIDTH 1024
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#define TEX_HEIGHT 512
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static const GLfloat uvs[8];
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static const GLushort indices[] =
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{
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0, 1, 2,
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0, 2, 3,
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};
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static const int kVertexCount = 4;
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static const int kIndexCount = 6;
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void Create_uvs(GLfloat * matrix, GLfloat max_u, GLfloat max_v) {
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memset(matrix,0,sizeof(GLfloat)*8);
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matrix[3]=max_v;
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matrix[4]=max_u;
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matrix[5]=max_v;
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matrix[6]=max_u;
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}
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void gles_show_error()
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{
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GLenum error = GL_NO_ERROR;
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error = glGetError();
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if (GL_NO_ERROR != error)
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printf("GL Error %x encountered!\n", error);
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}
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static GLuint CreateShader(GLenum type, const char *shader_src)
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{
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GLuint shader = glCreateShader(type);
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if(!shader)
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return 0;
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// Load and compile the shader source
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glShaderSource(shader, 1, &shader_src, NULL);
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glCompileShader(shader);
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// Check the compile status
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GLint compiled = 0;
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glGetShaderiv(shader, GL_COMPILE_STATUS, &compiled);
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if(!compiled)
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{
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||||
GLint info_len = 0;
|
||||
glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &info_len);
|
||||
if(info_len > 1)
|
||||
{
|
||||
char* info_log = (char *)malloc(sizeof(char) * info_len);
|
||||
glGetShaderInfoLog(shader, info_len, NULL, info_log);
|
||||
// TODO(dspringer): We could really use a logging API.
|
||||
printf("Error compiling shader:\n%s\n", info_log);
|
||||
free(info_log);
|
||||
}
|
||||
glDeleteShader(shader);
|
||||
return 0;
|
||||
}
|
||||
return shader;
|
||||
}
|
||||
|
||||
static GLuint CreateProgram(const char *vertex_shader_src, const char *fragment_shader_src)
|
||||
{
|
||||
GLuint vertex_shader = CreateShader(GL_VERTEX_SHADER, vertex_shader_src);
|
||||
if(!vertex_shader)
|
||||
return 0;
|
||||
GLuint fragment_shader = CreateShader(GL_FRAGMENT_SHADER, fragment_shader_src);
|
||||
if(!fragment_shader)
|
||||
{
|
||||
glDeleteShader(vertex_shader);
|
||||
return 0;
|
||||
}
|
||||
|
||||
GLuint program_object = glCreateProgram();
|
||||
if(!program_object)
|
||||
return 0;
|
||||
glAttachShader(program_object, vertex_shader);
|
||||
glAttachShader(program_object, fragment_shader);
|
||||
|
||||
// Link the program
|
||||
glLinkProgram(program_object);
|
||||
|
||||
// Check the link status
|
||||
GLint linked = 0;
|
||||
glGetProgramiv(program_object, GL_LINK_STATUS, &linked);
|
||||
if(!linked)
|
||||
{
|
||||
GLint info_len = 0;
|
||||
glGetProgramiv(program_object, GL_INFO_LOG_LENGTH, &info_len);
|
||||
if(info_len > 1)
|
||||
{
|
||||
char* info_log = (char *)malloc(info_len);
|
||||
glGetProgramInfoLog(program_object, info_len, NULL, info_log);
|
||||
// TODO(dspringer): We could really use a logging API.
|
||||
printf("Error linking program:\n%s\n", info_log);
|
||||
free(info_log);
|
||||
}
|
||||
glDeleteProgram(program_object);
|
||||
return 0;
|
||||
}
|
||||
// Delete these here because they are attached to the program object.
|
||||
glDeleteShader(vertex_shader);
|
||||
glDeleteShader(fragment_shader);
|
||||
return program_object;
|
||||
}
|
||||
|
||||
typedef struct ShaderInfo {
|
||||
GLuint program;
|
||||
GLint a_position;
|
||||
GLint a_texcoord;
|
||||
GLint u_vp_matrix;
|
||||
GLint u_texture;
|
||||
} ShaderInfo;
|
||||
|
||||
static ShaderInfo shader;
|
||||
static ShaderInfo shader_filtering;
|
||||
static GLuint buffers[3];
|
||||
static GLuint textures[2];
|
||||
|
||||
|
||||
static void gles2_create()
|
||||
{
|
||||
memset(&shader, 0, sizeof(ShaderInfo));
|
||||
shader.program = CreateProgram(vertex_shader, fragment_shader);
|
||||
if(shader.program)
|
||||
{
|
||||
shader.a_position = glGetAttribLocation(shader.program, "a_position");
|
||||
shader.a_texcoord = glGetAttribLocation(shader.program, "a_texcoord");
|
||||
shader.u_vp_matrix = glGetUniformLocation(shader.program, "u_vp_matrix");
|
||||
shader.u_texture = glGetUniformLocation(shader.program, "u_texture");
|
||||
}
|
||||
glGenTextures(1, textures);
|
||||
glBindTexture(GL_TEXTURE_2D, textures[0]);
|
||||
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, TEX_WIDTH, TEX_HEIGHT, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, NULL);
|
||||
|
||||
Create_uvs(uvs, (float)frame_width/TEX_WIDTH, (float)frame_height/TEX_HEIGHT);
|
||||
|
||||
glGenBuffers(3, buffers);
|
||||
glBindBuffer(GL_ARRAY_BUFFER, buffers[0]);
|
||||
glBufferData(GL_ARRAY_BUFFER, kVertexCount * sizeof(GLfloat) * 3, vertices, GL_STATIC_DRAW);
|
||||
glBindBuffer(GL_ARRAY_BUFFER, buffers[1]);
|
||||
glBufferData(GL_ARRAY_BUFFER, kVertexCount * sizeof(GLfloat) * 2, uvs, GL_STATIC_DRAW);
|
||||
glBindBuffer(GL_ARRAY_BUFFER, 0);
|
||||
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[2]);
|
||||
glBufferData(GL_ELEMENT_ARRAY_BUFFER, kIndexCount * sizeof(GL_UNSIGNED_SHORT), indices, GL_STATIC_DRAW);
|
||||
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
|
||||
|
||||
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
|
||||
glDisable(GL_DEPTH_TEST);
|
||||
glDisable(GL_BLEND);
|
||||
glDisable(GL_DITHER);
|
||||
}
|
||||
|
||||
static uint32_t screen_width = 0;
|
||||
static uint32_t screen_height = 0;
|
||||
|
||||
static EGLDisplay display = NULL;
|
||||
static EGLSurface surface = NULL;
|
||||
static EGLContext context = NULL;
|
||||
static EGL_DISPMANX_WINDOW_T nativewindow;
|
||||
|
||||
static GLfloat proj[4][4];
|
||||
static GLint filter_min;
|
||||
static GLint filter_mag;
|
||||
|
||||
void video_set_filter(uint32_t filter) {
|
||||
if (filter==0) {
|
||||
filter_min = GL_NEAREST;
|
||||
filter_mag = GL_NEAREST;
|
||||
} else {
|
||||
filter_min = GL_LINEAR;
|
||||
filter_mag = GL_LINEAR;
|
||||
}
|
||||
}
|
||||
|
||||
void video_init(uint32_t _width, uint32_t _height, uint32_t filter)
|
||||
{
|
||||
if ((_width==0)||(_height==0))
|
||||
return;
|
||||
|
||||
frame_width = _width;
|
||||
frame_height = _height;
|
||||
|
||||
//bcm_host_init();
|
||||
|
||||
// get an EGL display connection
|
||||
display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
|
||||
assert(display != EGL_NO_DISPLAY);
|
||||
|
||||
// initialize the EGL display connection
|
||||
EGLBoolean result = eglInitialize(display, NULL, NULL);
|
||||
assert(EGL_FALSE != result);
|
||||
|
||||
// get an appropriate EGL frame buffer configuration
|
||||
EGLint num_config;
|
||||
EGLConfig config;
|
||||
static const EGLint attribute_list[] =
|
||||
{
|
||||
EGL_RED_SIZE, 8,
|
||||
EGL_GREEN_SIZE, 8,
|
||||
EGL_BLUE_SIZE, 8,
|
||||
EGL_ALPHA_SIZE, 8,
|
||||
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
|
||||
EGL_NONE
|
||||
};
|
||||
result = eglChooseConfig(display, attribute_list, &config, 1, &num_config);
|
||||
assert(EGL_FALSE != result);
|
||||
|
||||
result = eglBindAPI(EGL_OPENGL_ES_API);
|
||||
assert(EGL_FALSE != result);
|
||||
|
||||
// create an EGL rendering context
|
||||
static const EGLint context_attributes[] =
|
||||
{
|
||||
EGL_CONTEXT_CLIENT_VERSION, 2,
|
||||
EGL_NONE
|
||||
};
|
||||
context = eglCreateContext(display, config, EGL_NO_CONTEXT, context_attributes);
|
||||
assert(context != EGL_NO_CONTEXT);
|
||||
|
||||
// create an EGL window surface
|
||||
int32_t success = graphics_get_display_size(0, &screen_width, &screen_height);
|
||||
assert(success >= 0);
|
||||
|
||||
VC_RECT_T dst_rect;
|
||||
dst_rect.x = 0;
|
||||
dst_rect.y = 0;
|
||||
dst_rect.width = screen_width;
|
||||
dst_rect.height = screen_height;
|
||||
|
||||
VC_RECT_T src_rect;
|
||||
src_rect.x = 0;
|
||||
src_rect.y = 0;
|
||||
src_rect.width = screen_width << 16;
|
||||
src_rect.height = screen_height << 16;
|
||||
|
||||
DISPMANX_DISPLAY_HANDLE_T dispman_display = vc_dispmanx_display_open(0);
|
||||
DISPMANX_UPDATE_HANDLE_T dispman_update = vc_dispmanx_update_start(0);
|
||||
DISPMANX_ELEMENT_HANDLE_T dispman_element = vc_dispmanx_element_add(dispman_update, dispman_display,
|
||||
1, &dst_rect, 0, &src_rect, DISPMANX_PROTECTION_NONE, NULL, NULL, DISPMANX_NO_ROTATE);
|
||||
|
||||
nativewindow.element = dispman_element;
|
||||
nativewindow.width = screen_width;
|
||||
nativewindow.height = screen_height;
|
||||
vc_dispmanx_update_submit_sync(dispman_update);
|
||||
|
||||
surface = eglCreateWindowSurface(display, config, &nativewindow, NULL);
|
||||
assert(surface != EGL_NO_SURFACE);
|
||||
|
||||
// connect the context to the surface
|
||||
result = eglMakeCurrent(display, surface, surface, context);
|
||||
assert(EGL_FALSE != result);
|
||||
|
||||
gles2_create();
|
||||
|
||||
int r=(screen_height*10/frame_height);
|
||||
int h = (frame_height*r)/10;
|
||||
int w = (frame_width*r)/10;
|
||||
if (w>screen_width) {
|
||||
r = (screen_width*10/frame_width);
|
||||
h = (frame_height*r)/10;
|
||||
w = (frame_width*r)/10;
|
||||
}
|
||||
glViewport((screen_width-w)/2, (screen_height-h)/2, w, h);
|
||||
SetOrtho(proj, -0.5f, +0.5f, +0.5f, -0.5f, -1.0f, 1.0f, 1.0f ,1.0f );
|
||||
video_set_filter(filter);
|
||||
}
|
||||
|
||||
static void gles2_destroy()
|
||||
{
|
||||
if(!shader.program)
|
||||
return;
|
||||
glDeleteBuffers(3, buffers); SHOW_ERROR
|
||||
glDeleteProgram(shader.program); SHOW_ERROR
|
||||
}
|
||||
|
||||
static void SetOrtho(GLfloat m[4][4], GLfloat left, GLfloat right, GLfloat bottom, GLfloat top, GLfloat near, GLfloat far, GLfloat scale_x, GLfloat scale_y)
|
||||
{
|
||||
memset(m, 0, 4*4*sizeof(GLfloat));
|
||||
m[0][0] = 2.0f/(right - left)*scale_x;
|
||||
m[1][1] = 2.0f/(top - bottom)*scale_y;
|
||||
m[2][2] = -2.0f/(far - near);
|
||||
m[3][0] = -(right + left)/(right - left);
|
||||
m[3][1] = -(top + bottom)/(top - bottom);
|
||||
m[3][2] = -(far + near)/(far - near);
|
||||
m[3][3] = 1;
|
||||
}
|
||||
#define RGB15(r, g, b) (((r) << (5+6)) | ((g) << 6) | (b))
|
||||
|
||||
static void gles2_Draw( uint16_t *pixels)
|
||||
{
|
||||
if(!shader.program)
|
||||
return;
|
||||
|
||||
glClear(GL_COLOR_BUFFER_BIT);
|
||||
|
||||
glUseProgram(shader.program);
|
||||
|
||||
glBindTexture(GL_TEXTURE_2D, textures[0]);
|
||||
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, frame_width, frame_height, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, pixels);
|
||||
glActiveTexture(GL_TEXTURE0);
|
||||
glUniform1i(shader.u_texture, 0);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter_mag);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter_min);
|
||||
glGenerateMipmap(GL_TEXTURE_2D);
|
||||
|
||||
glBindBuffer(GL_ARRAY_BUFFER, buffers[0]);
|
||||
glVertexAttribPointer(shader.a_position, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(GLfloat), NULL);
|
||||
glEnableVertexAttribArray(shader.a_position);
|
||||
|
||||
glBindBuffer(GL_ARRAY_BUFFER, buffers[1]);
|
||||
glVertexAttribPointer(shader.a_texcoord, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(GLfloat), NULL);
|
||||
glEnableVertexAttribArray(shader.a_texcoord);
|
||||
|
||||
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[2]);
|
||||
glUniformMatrix4fv(shader.u_vp_matrix, 1, GL_FALSE, (const GLfloat * )&proj);
|
||||
glDrawElements(GL_TRIANGLES, kIndexCount, GL_UNSIGNED_SHORT, 0);
|
||||
|
||||
glBindBuffer(GL_ARRAY_BUFFER, 0);
|
||||
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
|
||||
//glFlush();
|
||||
}
|
||||
|
||||
void video_close()
|
||||
{
|
||||
gles2_destroy();
|
||||
// Release OpenGL resources
|
||||
eglMakeCurrent( display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
|
||||
eglDestroySurface( display, surface );
|
||||
eglDestroyContext( display, context );
|
||||
eglTerminate( display );
|
||||
}
|
||||
|
||||
void video_draw(uint16_t *pixels)
|
||||
{
|
||||
gles2_Draw (pixels);
|
||||
eglSwapBuffers(display, surface);
|
||||
}
|
||||
|
|
@ -0,0 +1,4 @@
|
|||
|
||||
void video_init(uint32_t width,uint32_t height,uint32_t filter);
|
||||
void video_close();
|
||||
void video_draw(uint16_t *pixels);
|
||||
|
|
@ -0,0 +1,33 @@
|
|||
gpsp raspberry pi
|
||||
|
||||
CONTROL KEYS
|
||||
============
|
||||
KEYBOARD
|
||||
---------
|
||||
Up Up Arrow
|
||||
Down Down Arrow
|
||||
Left Left Arrow
|
||||
Right Right Arrow
|
||||
A Z
|
||||
B X
|
||||
Start Enter
|
||||
Select Backspace
|
||||
L A
|
||||
R S
|
||||
|
||||
Exit Esc
|
||||
Menu F10
|
||||
|
||||
GAMEPAD
|
||||
-------
|
||||
Up XAsix -
|
||||
Down XAsix +
|
||||
Left YAsix -
|
||||
Right YAsix +
|
||||
A Button 1
|
||||
B Button 2
|
||||
Start Button 3
|
||||
Select Button 4
|
||||
L Button 5
|
||||
R Button 6
|
||||
|
||||
|
|
@ -0,0 +1,111 @@
|
|||
/* gameplaySP - raspberry backend
|
||||
*
|
||||
* Copyright (C) 2013 DPR <pribyl.email@gmail.com>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
|
||||
|
||||
#include "../common.h"
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include "gles_video.h"
|
||||
#include "rpi.h"
|
||||
#include "bcm_host.h"
|
||||
|
||||
u32 gamepad_config_map[PLAT_BUTTON_COUNT] =
|
||||
{
|
||||
BUTTON_ID_UP, // Up
|
||||
BUTTON_ID_LEFT, // Left
|
||||
BUTTON_ID_DOWN, // Down
|
||||
BUTTON_ID_RIGHT, // Right
|
||||
BUTTON_ID_START, // Start
|
||||
BUTTON_ID_SELECT, // Select
|
||||
BUTTON_ID_L, // Ltrigger
|
||||
BUTTON_ID_R, // Rtrigger
|
||||
BUTTON_ID_FPS, // A
|
||||
BUTTON_ID_A, // B
|
||||
BUTTON_ID_B, // X
|
||||
BUTTON_ID_MENU, // Y
|
||||
BUTTON_ID_SAVESTATE, // 1
|
||||
BUTTON_ID_LOADSTATE, // 2
|
||||
BUTTON_ID_FASTFORWARD, // 3
|
||||
BUTTON_ID_NONE, // 4
|
||||
BUTTON_ID_MENU // Space
|
||||
};
|
||||
|
||||
|
||||
#define MAX_VIDEO_MEM (480*270*2)
|
||||
static int video_started=0;
|
||||
static uint16_t * video_buff;
|
||||
|
||||
|
||||
void gpsp_plat_init(void)
|
||||
{
|
||||
int ret, w, h, fd;
|
||||
//const char *layer_fb_name;
|
||||
SDL_Surface* myVideoSurface;
|
||||
|
||||
bcm_host_init();
|
||||
|
||||
ret = SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_JOYSTICK | SDL_INIT_NOPARACHUTE);
|
||||
if (ret != 0) {
|
||||
fprintf(stderr, "SDL_Init failed: %s\n", SDL_GetError());
|
||||
exit(1);
|
||||
}
|
||||
|
||||
myVideoSurface = SDL_SetVideoMode( 0, 0, 16, SDL_SWSURFACE);
|
||||
// Print out some information about the video surface
|
||||
if (myVideoSurface == NULL) {
|
||||
fprintf(stderr, "SDL_Init failed: %s\n", SDL_GetError());
|
||||
exit(1);
|
||||
}
|
||||
SDL_ShowCursor(0);
|
||||
fb_set_mode(240, 160, 0, 0, 0, 0);
|
||||
screen_scale = 3;
|
||||
}
|
||||
|
||||
void gpsp_plat_quit(void)
|
||||
{
|
||||
if (video_started) {
|
||||
video_close();
|
||||
free(video_buff);
|
||||
video_started=0;
|
||||
}
|
||||
SDL_Quit();
|
||||
}
|
||||
|
||||
|
||||
void *fb_flip_screen(void)
|
||||
{
|
||||
video_draw(video_buff);
|
||||
return video_buff;
|
||||
}
|
||||
|
||||
void fb_wait_vsync(void)
|
||||
{
|
||||
}
|
||||
|
||||
void fb_set_mode(int w, int h, int buffers, int scale,int filter, int filter2)
|
||||
{
|
||||
if (video_started) {
|
||||
video_close();
|
||||
free(video_buff);
|
||||
}
|
||||
video_buff=malloc(w*h*sizeof(uint16_t));
|
||||
memset(video_buff,0,w*h*sizeof(uint16_t));
|
||||
video_init(w,h,filter);
|
||||
video_started=1;
|
||||
}
|
||||
// vim:shiftwidth=2:expandtab
|
||||
|
|
@ -0,0 +1,9 @@
|
|||
void gpsp_plat_init(void);
|
||||
void gpsp_plat_quit(void);
|
||||
|
||||
#define PLAT_BUTTON_COUNT 17
|
||||
extern u32 button_plat_mask_to_config[PLAT_BUTTON_COUNT];
|
||||
|
||||
void *fb_flip_screen(void);
|
||||
void fb_set_mode(int w, int h, int buffers, int scale, int filter, int filter2);
|
||||
void fb_wait_vsync(void);
|
||||
|
|
@ -0,0 +1,30 @@
|
|||
# glestest makefile
|
||||
# Global definitions
|
||||
|
||||
CC = gcc
|
||||
|
||||
OBJS = gles_video.o test.o
|
||||
|
||||
BIN = glestest
|
||||
|
||||
# Platform specific definitions
|
||||
|
||||
CFLAGS+=-D_LINUX
|
||||
|
||||
LIBS +=-L$(SDKSTAGE)/opt/vc/lib/ -lGLESv2 -lEGL -lopenmaxil -lbcm_host -lvcos -lvchiq_arm -lpthread -lrt
|
||||
|
||||
INCLUDES+=-I$(SDKSTAGE)/opt/vc/include -I$(SDKSTAGE)/opt/vc/include/interface/vcos/pthreads
|
||||
|
||||
# Compilation:
|
||||
|
||||
all: $(BIN)
|
||||
|
||||
%.o: %.c
|
||||
$(CC) $(CFLAGS) $(INCLUDES) -c -o $@ $<
|
||||
|
||||
$(BIN): $(OBJS)
|
||||
$(CC) $(OBJS) $(LIBS) -o $(BIN)
|
||||
|
||||
clean:
|
||||
rm -f *.o $(BIN)
|
||||
|
||||
|
|
@ -0,0 +1,383 @@
|
|||
#include "bcm_host.h"
|
||||
#include "GLES/gl.h"
|
||||
#include "EGL/egl.h"
|
||||
#include "EGL/eglext.h"
|
||||
#include "GLES2/gl2.h"
|
||||
#include <assert.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <memory.h>
|
||||
|
||||
static uint32_t frame_width = 0;
|
||||
static uint32_t frame_height = 0;
|
||||
|
||||
|
||||
#define SHOW_ERROR gles_show_error();
|
||||
|
||||
static void SetOrtho(GLfloat m[4][4], GLfloat left, GLfloat right, GLfloat bottom, GLfloat top, GLfloat near, GLfloat far, GLfloat scale_x, GLfloat scale_y);
|
||||
|
||||
static const char* vertex_shader =
|
||||
"uniform mat4 u_vp_matrix; \n"
|
||||
"attribute vec4 a_position; \n"
|
||||
"attribute vec2 a_texcoord; \n"
|
||||
"varying mediump vec2 v_texcoord; \n"
|
||||
"void main() \n"
|
||||
"{ \n"
|
||||
" v_texcoord = a_texcoord; \n"
|
||||
" gl_Position = u_vp_matrix * a_position; \n"
|
||||
"} \n";
|
||||
|
||||
static const char* fragment_shader =
|
||||
"varying mediump vec2 v_texcoord; \n"
|
||||
"uniform sampler2D u_texture; \n"
|
||||
"void main() \n"
|
||||
"{ \n"
|
||||
" gl_FragColor = texture2D(u_texture, v_texcoord); \n"
|
||||
"} \n";
|
||||
|
||||
static const GLfloat vertices[] =
|
||||
{
|
||||
-0.5f, -0.5f, 0.0f,
|
||||
+0.5f, -0.5f, 0.0f,
|
||||
+0.5f, +0.5f, 0.0f,
|
||||
-0.5f, +0.5f, 0.0f,
|
||||
};
|
||||
|
||||
#define TEX_WIDTH 1024
|
||||
#define TEX_HEIGHT 512
|
||||
|
||||
static const GLfloat uvs[8];
|
||||
|
||||
static const GLushort indices[] =
|
||||
{
|
||||
0, 1, 2,
|
||||
0, 2, 3,
|
||||
};
|
||||
|
||||
static const int kVertexCount = 4;
|
||||
static const int kIndexCount = 6;
|
||||
|
||||
|
||||
void Create_uvs(GLfloat * matrix, GLfloat max_u, GLfloat max_v) {
|
||||
memset(matrix,0,sizeof(GLfloat)*8);
|
||||
matrix[3]=max_v;
|
||||
matrix[4]=max_u;
|
||||
matrix[5]=max_v;
|
||||
matrix[6]=max_u;
|
||||
|
||||
}
|
||||
|
||||
void gles_show_error()
|
||||
{
|
||||
GLenum error = GL_NO_ERROR;
|
||||
error = glGetError();
|
||||
if (GL_NO_ERROR != error)
|
||||
printf("GL Error %x encountered!\n", error);
|
||||
}
|
||||
|
||||
static GLuint CreateShader(GLenum type, const char *shader_src)
|
||||
{
|
||||
GLuint shader = glCreateShader(type);
|
||||
if(!shader)
|
||||
return 0;
|
||||
|
||||
// Load and compile the shader source
|
||||
glShaderSource(shader, 1, &shader_src, NULL);
|
||||
glCompileShader(shader);
|
||||
|
||||
// Check the compile status
|
||||
GLint compiled = 0;
|
||||
glGetShaderiv(shader, GL_COMPILE_STATUS, &compiled);
|
||||
if(!compiled)
|
||||
{
|
||||
GLint info_len = 0;
|
||||
glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &info_len);
|
||||
if(info_len > 1)
|
||||
{
|
||||
char* info_log = (char *)malloc(sizeof(char) * info_len);
|
||||
glGetShaderInfoLog(shader, info_len, NULL, info_log);
|
||||
// TODO(dspringer): We could really use a logging API.
|
||||
printf("Error compiling shader:\n%s\n", info_log);
|
||||
free(info_log);
|
||||
}
|
||||
glDeleteShader(shader);
|
||||
return 0;
|
||||
}
|
||||
return shader;
|
||||
}
|
||||
|
||||
static GLuint CreateProgram(const char *vertex_shader_src, const char *fragment_shader_src)
|
||||
{
|
||||
GLuint vertex_shader = CreateShader(GL_VERTEX_SHADER, vertex_shader_src);
|
||||
if(!vertex_shader)
|
||||
return 0;
|
||||
GLuint fragment_shader = CreateShader(GL_FRAGMENT_SHADER, fragment_shader_src);
|
||||
if(!fragment_shader)
|
||||
{
|
||||
glDeleteShader(vertex_shader);
|
||||
return 0;
|
||||
}
|
||||
|
||||
GLuint program_object = glCreateProgram();
|
||||
if(!program_object)
|
||||
return 0;
|
||||
glAttachShader(program_object, vertex_shader);
|
||||
glAttachShader(program_object, fragment_shader);
|
||||
|
||||
// Link the program
|
||||
glLinkProgram(program_object);
|
||||
|
||||
// Check the link status
|
||||
GLint linked = 0;
|
||||
glGetProgramiv(program_object, GL_LINK_STATUS, &linked);
|
||||
if(!linked)
|
||||
{
|
||||
GLint info_len = 0;
|
||||
glGetProgramiv(program_object, GL_INFO_LOG_LENGTH, &info_len);
|
||||
if(info_len > 1)
|
||||
{
|
||||
char* info_log = (char *)malloc(info_len);
|
||||
glGetProgramInfoLog(program_object, info_len, NULL, info_log);
|
||||
// TODO(dspringer): We could really use a logging API.
|
||||
printf("Error linking program:\n%s\n", info_log);
|
||||
free(info_log);
|
||||
}
|
||||
glDeleteProgram(program_object);
|
||||
return 0;
|
||||
}
|
||||
// Delete these here because they are attached to the program object.
|
||||
glDeleteShader(vertex_shader);
|
||||
glDeleteShader(fragment_shader);
|
||||
return program_object;
|
||||
}
|
||||
|
||||
typedef struct ShaderInfo {
|
||||
GLuint program;
|
||||
GLint a_position;
|
||||
GLint a_texcoord;
|
||||
GLint u_vp_matrix;
|
||||
GLint u_texture;
|
||||
} ShaderInfo;
|
||||
|
||||
static ShaderInfo shader;
|
||||
static ShaderInfo shader_filtering;
|
||||
static GLuint buffers[3];
|
||||
static GLuint textures[2];
|
||||
|
||||
|
||||
static void gles2_create()
|
||||
{
|
||||
memset(&shader, 0, sizeof(ShaderInfo));
|
||||
shader.program = CreateProgram(vertex_shader, fragment_shader);
|
||||
if(shader.program)
|
||||
{
|
||||
shader.a_position = glGetAttribLocation(shader.program, "a_position");
|
||||
shader.a_texcoord = glGetAttribLocation(shader.program, "a_texcoord");
|
||||
shader.u_vp_matrix = glGetUniformLocation(shader.program, "u_vp_matrix");
|
||||
shader.u_texture = glGetUniformLocation(shader.program, "u_texture");
|
||||
}
|
||||
glGenTextures(1, textures);
|
||||
glBindTexture(GL_TEXTURE_2D, textures[0]);
|
||||
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, TEX_WIDTH, TEX_HEIGHT, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, NULL);
|
||||
|
||||
Create_uvs(uvs, (float)frame_width/TEX_WIDTH, (float)frame_height/TEX_HEIGHT);
|
||||
|
||||
glGenBuffers(3, buffers);
|
||||
glBindBuffer(GL_ARRAY_BUFFER, buffers[0]);
|
||||
glBufferData(GL_ARRAY_BUFFER, kVertexCount * sizeof(GLfloat) * 3, vertices, GL_STATIC_DRAW);
|
||||
glBindBuffer(GL_ARRAY_BUFFER, buffers[1]);
|
||||
glBufferData(GL_ARRAY_BUFFER, kVertexCount * sizeof(GLfloat) * 2, uvs, GL_STATIC_DRAW);
|
||||
glBindBuffer(GL_ARRAY_BUFFER, 0);
|
||||
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[2]);
|
||||
glBufferData(GL_ELEMENT_ARRAY_BUFFER, kIndexCount * sizeof(GL_UNSIGNED_SHORT), indices, GL_STATIC_DRAW);
|
||||
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
|
||||
|
||||
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
|
||||
glDisable(GL_DEPTH_TEST);
|
||||
glDisable(GL_BLEND);
|
||||
glDisable(GL_DITHER);
|
||||
}
|
||||
|
||||
static uint32_t screen_width = 0;
|
||||
static uint32_t screen_height = 0;
|
||||
|
||||
static EGLDisplay display = NULL;
|
||||
static EGLSurface surface = NULL;
|
||||
static EGLContext context = NULL;
|
||||
static EGL_DISPMANX_WINDOW_T nativewindow;
|
||||
|
||||
static GLfloat proj[4][4];
|
||||
static GLint filter_min;
|
||||
static GLint filter_mag;
|
||||
|
||||
void video_init(uint32_t _width, uint32_t _height, uint32_t filter)
|
||||
{
|
||||
if ((_width==0)||(_height==0))
|
||||
return;
|
||||
|
||||
frame_width = _width;
|
||||
frame_height = _height;
|
||||
|
||||
bcm_host_init();
|
||||
|
||||
// get an EGL display connection
|
||||
display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
|
||||
assert(display != EGL_NO_DISPLAY);
|
||||
|
||||
// initialize the EGL display connection
|
||||
EGLBoolean result = eglInitialize(display, NULL, NULL);
|
||||
assert(EGL_FALSE != result);
|
||||
|
||||
// get an appropriate EGL frame buffer configuration
|
||||
EGLint num_config;
|
||||
EGLConfig config;
|
||||
static const EGLint attribute_list[] =
|
||||
{
|
||||
EGL_RED_SIZE, 8,
|
||||
EGL_GREEN_SIZE, 8,
|
||||
EGL_BLUE_SIZE, 8,
|
||||
EGL_ALPHA_SIZE, 8,
|
||||
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
|
||||
EGL_NONE
|
||||
};
|
||||
result = eglChooseConfig(display, attribute_list, &config, 1, &num_config);
|
||||
assert(EGL_FALSE != result);
|
||||
|
||||
result = eglBindAPI(EGL_OPENGL_ES_API);
|
||||
assert(EGL_FALSE != result);
|
||||
|
||||
// create an EGL rendering context
|
||||
static const EGLint context_attributes[] =
|
||||
{
|
||||
EGL_CONTEXT_CLIENT_VERSION, 2,
|
||||
EGL_NONE
|
||||
};
|
||||
context = eglCreateContext(display, config, EGL_NO_CONTEXT, context_attributes);
|
||||
assert(context != EGL_NO_CONTEXT);
|
||||
|
||||
// create an EGL window surface
|
||||
int32_t success = graphics_get_display_size(0, &screen_width, &screen_height);
|
||||
assert(success >= 0);
|
||||
|
||||
VC_RECT_T dst_rect;
|
||||
dst_rect.x = 0;
|
||||
dst_rect.y = 0;
|
||||
dst_rect.width = screen_width;
|
||||
dst_rect.height = screen_height;
|
||||
|
||||
VC_RECT_T src_rect;
|
||||
src_rect.x = 0;
|
||||
src_rect.y = 0;
|
||||
src_rect.width = screen_width << 16;
|
||||
src_rect.height = screen_height << 16;
|
||||
|
||||
DISPMANX_DISPLAY_HANDLE_T dispman_display = vc_dispmanx_display_open(0);
|
||||
DISPMANX_UPDATE_HANDLE_T dispman_update = vc_dispmanx_update_start(0);
|
||||
DISPMANX_ELEMENT_HANDLE_T dispman_element = vc_dispmanx_element_add(dispman_update, dispman_display,
|
||||
0, &dst_rect, 0, &src_rect, DISPMANX_PROTECTION_NONE, NULL, NULL, DISPMANX_NO_ROTATE);
|
||||
|
||||
nativewindow.element = dispman_element;
|
||||
nativewindow.width = screen_width;
|
||||
nativewindow.height = screen_height;
|
||||
vc_dispmanx_update_submit_sync(dispman_update);
|
||||
|
||||
surface = eglCreateWindowSurface(display, config, &nativewindow, NULL);
|
||||
assert(surface != EGL_NO_SURFACE);
|
||||
|
||||
// connect the context to the surface
|
||||
result = eglMakeCurrent(display, surface, surface, context);
|
||||
assert(EGL_FALSE != result);
|
||||
|
||||
gles2_create();
|
||||
|
||||
int r=(screen_height*10/frame_height);
|
||||
int h = (frame_height*r)/10;
|
||||
int w = (frame_width*r)/10;
|
||||
|
||||
glViewport((screen_width-w)/2, (screen_height-h)/2, w, h);
|
||||
SetOrtho(proj, -0.5f, +0.5f, +0.5f, -0.5f, -1.0f, 1.0f, 1.0f ,1.0f );
|
||||
if (filter==0) {
|
||||
filter_min = GL_NEAREST;
|
||||
filter_mag = GL_NEAREST;
|
||||
} else if (filter==1) {
|
||||
filter_min = GL_LINEAR_MIPMAP_LINEAR;
|
||||
filter_mag = GL_LINEAR;
|
||||
} else if (filter==2) {
|
||||
filter_min = GL_LINEAR_MIPMAP_NEAREST;
|
||||
filter_mag = GL_LINEAR;
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
static void gles2_destroy()
|
||||
{
|
||||
if(!shader.program)
|
||||
return;
|
||||
glDeleteBuffers(3, buffers); SHOW_ERROR
|
||||
glDeleteProgram(shader.program); SHOW_ERROR
|
||||
}
|
||||
|
||||
static void SetOrtho(GLfloat m[4][4], GLfloat left, GLfloat right, GLfloat bottom, GLfloat top, GLfloat near, GLfloat far, GLfloat scale_x, GLfloat scale_y)
|
||||
{
|
||||
memset(m, 0, 4*4*sizeof(GLfloat));
|
||||
m[0][0] = 2.0f/(right - left)*scale_x;
|
||||
m[1][1] = 2.0f/(top - bottom)*scale_y;
|
||||
m[2][2] = -2.0f/(far - near);
|
||||
m[3][0] = -(right + left)/(right - left);
|
||||
m[3][1] = -(top + bottom)/(top - bottom);
|
||||
m[3][2] = -(far + near)/(far - near);
|
||||
m[3][3] = 1;
|
||||
}
|
||||
#define RGB15(r, g, b) (((r) << (5+6)) | ((g) << 6) | (b))
|
||||
|
||||
static void gles2_Draw( uint16_t *pixels)
|
||||
{
|
||||
if(!shader.program)
|
||||
return;
|
||||
|
||||
glClear(GL_COLOR_BUFFER_BIT);
|
||||
|
||||
glUseProgram(shader.program);
|
||||
|
||||
glBindTexture(GL_TEXTURE_2D, textures[0]);
|
||||
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, frame_width, frame_height, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, pixels);
|
||||
glActiveTexture(GL_TEXTURE0);
|
||||
glUniform1i(shader.u_texture, 0);
|
||||
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter_min);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter_mag);
|
||||
glGenerateMipmap(GL_TEXTURE_2D);
|
||||
|
||||
glBindBuffer(GL_ARRAY_BUFFER, buffers[0]);
|
||||
glVertexAttribPointer(shader.a_position, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(GLfloat), NULL);
|
||||
glEnableVertexAttribArray(shader.a_position);
|
||||
|
||||
glBindBuffer(GL_ARRAY_BUFFER, buffers[1]);
|
||||
glVertexAttribPointer(shader.a_texcoord, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(GLfloat), NULL);
|
||||
glEnableVertexAttribArray(shader.a_texcoord);
|
||||
|
||||
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffers[2]);
|
||||
glUniformMatrix4fv(shader.u_vp_matrix, 1, GL_FALSE, (const GLfloat * )&proj);
|
||||
glDrawElements(GL_TRIANGLES, kIndexCount, GL_UNSIGNED_SHORT, 0);
|
||||
|
||||
glBindBuffer(GL_ARRAY_BUFFER, 0);
|
||||
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
|
||||
//glFlush();
|
||||
}
|
||||
|
||||
void video_close()
|
||||
{
|
||||
gles2_destroy();
|
||||
// Release OpenGL resources
|
||||
eglMakeCurrent( display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
|
||||
eglDestroySurface( display, surface );
|
||||
eglDestroyContext( display, context );
|
||||
eglTerminate( display );
|
||||
}
|
||||
|
||||
void video_draw(uint16_t *pixels)
|
||||
{
|
||||
gles2_Draw (pixels);
|
||||
eglSwapBuffers(display, surface);
|
||||
}
|
||||
|
|
@ -0,0 +1,48 @@
|
|||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <stdint.h>
|
||||
|
||||
#define RGB15(r, g, b) (((r) << (5+6)) | ((g) << 6) | (b))
|
||||
|
||||
void video_init(uint32_t width,uint32_t height, uint32_t f);
|
||||
void video_close();
|
||||
void video_draw(uint16_t *pixels);
|
||||
|
||||
|
||||
|
||||
void showbitmap( uint32_t wd, uint32_t ht, uint32_t f) {
|
||||
int index;
|
||||
uint16_t j,k;
|
||||
uint8_t r,g,b;
|
||||
uint16_t * bitmap;
|
||||
|
||||
bitmap=malloc(wd*ht*sizeof(uint16_t));
|
||||
|
||||
b=16;
|
||||
index=0;
|
||||
for (j=0;j<ht;j++) {
|
||||
r=(j*31)/(ht-1);
|
||||
for (k=0; k<wd ; k++) {
|
||||
g=(k*31)/(wd-1);
|
||||
bitmap[index++]=RGB15(r,g,b);
|
||||
}
|
||||
}
|
||||
bitmap[0]=0;
|
||||
|
||||
video_init(wd,ht,f);
|
||||
video_draw(bitmap);
|
||||
sleep(5);
|
||||
video_close();
|
||||
free(bitmap);
|
||||
}
|
||||
|
||||
int main(void) {
|
||||
|
||||
showbitmap( 320, 240,0);
|
||||
showbitmap( 320, 240,1);
|
||||
showbitmap( 320, 240,2);
|
||||
showbitmap( 240, 160,0);
|
||||
showbitmap( 400, 272,0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
4
sound.c
4
sound.c
|
|
@ -25,7 +25,11 @@ u32 global_enable_audio = 1;
|
|||
direct_sound_struct direct_sound_channel[2];
|
||||
gbc_sound_struct gbc_sound_channel[4];
|
||||
|
||||
#ifdef RPI_BUILD
|
||||
u32 sound_frequency = 22050;
|
||||
#else
|
||||
u32 sound_frequency = 44100;
|
||||
#endif
|
||||
|
||||
SDL_mutex *sound_mutex;
|
||||
static SDL_cond *sound_cv;
|
||||
|
|
|
|||
16
video.c
16
video.c
|
|
@ -105,7 +105,7 @@ const u32 screen_pitch = 320;
|
|||
#define get_screen_pitch() \
|
||||
screen_pitch \
|
||||
|
||||
#elif defined(PND_BUILD)
|
||||
#elif defined(PND_BUILD) || defined(RPI_BUILD)
|
||||
|
||||
static u16 *screen_pixels = NULL;
|
||||
|
||||
|
|
@ -3388,7 +3388,7 @@ no_clean:
|
|||
screen_pixels = (u16 *)gpsp_gp2x_screen + screen_offset;
|
||||
}
|
||||
|
||||
#elif defined(PND_BUILD)
|
||||
#elif defined(PND_BUILD) || defined(RPI_BUILD)
|
||||
|
||||
void flip_screen()
|
||||
{
|
||||
|
|
@ -3604,7 +3604,7 @@ void init_video()
|
|||
GE_CMD(NOP, 0);
|
||||
}
|
||||
|
||||
#elif defined(POLLUX_BUILD) || defined(PND_BUILD)
|
||||
#elif defined(WIZ_BUILD) || defined(PND_BUILD) || defined (RPI_BUILD)
|
||||
|
||||
void init_video()
|
||||
{
|
||||
|
|
@ -3800,14 +3800,18 @@ void clear_screen(u16 color)
|
|||
*p++ = col;
|
||||
}
|
||||
|
||||
#elif defined(PND_BUILD)
|
||||
#elif defined(PND_BUILD) || defined(RPI_BUILD)
|
||||
|
||||
void video_resolution_large()
|
||||
{
|
||||
#if defined (RPI_BUILD)
|
||||
resolution_width = 480;
|
||||
#else
|
||||
resolution_width = 400;
|
||||
#endif
|
||||
resolution_height = 272;
|
||||
|
||||
fb_set_mode(400, 272, 1, 15, screen_filter, screen_filter2);
|
||||
fb_set_mode(resolution_width, resolution_height, 1, 15, screen_filter, screen_filter2);
|
||||
flip_screen();
|
||||
clear_screen(0);
|
||||
}
|
||||
|
|
@ -3817,7 +3821,7 @@ void video_resolution_small()
|
|||
resolution_width = 240;
|
||||
resolution_height = 160;
|
||||
|
||||
fb_set_mode(240, 160, 3, screen_scale, screen_filter, screen_filter2);
|
||||
fb_set_mode(resolution_width, resolution_height, 3, screen_scale, screen_filter, screen_filter2);
|
||||
flip_screen();
|
||||
clear_screen(0);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue