Mercurial > sdl-ios-xcode
view src/video/ps2gs/SDL_gskeys.h @ 3485:e77a69aae239
Mason Wheeler to sdl
I updated SDL, and suddenly my SDL frames stopped working. They'd "initialize" full of gibberish, and I couldn't render anything to them. After a bit of digging, I found a problem: the renderer initialization routine in my SDL frame code wasn't getting called anymore.
procedure TSdlFrame.Paint;
begin
if SDL_SelectRenderer(FWindowID) = -1 then
CreateRenderer;
SDL_RenderPresent;
end;
function TSdlFrame.CreateRenderer: boolean;
const
pf: tagPIXELFORMATDESCRIPTOR = (nSize: sizeof(pf); nVersion: 1;
dwFlags: PFD_DRAW_TO_WINDOW or PFD_SUPPORT_OPENGL or PFD_DOUBLEBUFFER;
iPixelType: PFD_TYPE_RGBA; cColorBits: 24; cAlphaBits: 8;
iLayerType: PFD_MAIN_PLANE);
RENDERERS: array[TRendererType] of AnsiString = ('software', 'gdi', 'opengl', 'd3d');
var
pFormat: integer;
begin
if (SDL_SelectRenderer(FWindowID) = 0) then
begin
result := true;
Exit;
end;
if FRendererType = rtOpenGL then
begin
pFormat := ChoosePixelFormat(canvas.Handle, @pf);
if not SetPixelFormat(canvas.Handle, pFormat, @pf) then
outputDebugString(PChar(SysErrorMessage(GetLastError)));
if wglCreateContext(canvas.Handle) = 0 then
outputDebugString(PChar(SysErrorMessage(GetLastError)));
end;
if (SDL_CreateRenderer(FWindowID, SDL_RendererIndex(RENDERERS[FRendererType]), [sdlrPresentFlip3, sdlrAccelerated]) = 0) then
begin
SDL_ShowWindow(FWindowID);
assert(SDL_SetRenderDrawColor(0, 0, 0, 255) = 0);
FFlags := SDL_GetWindowFlags(FWindowID);
if assigned(FOnAvailable) then
FOnAvailable(self);
end
else outputDebugString(pChar(format('SDL_CreateRenderer failed: %s', [sdl_GetError])));
result := SDL_SelectRenderer(FWindowID) = 0;
end;
This is a critical issue. The Paint method gets called when the control receives a WM_PAINT message from Windows. I can't create the renderer before then, or it will fail and cause trouble. And when I do create it, it needs to be created with certain parameters. So imagine my surprise when I started debugging into the DLL and found that SDL_SelectRenderer was trying to be "helpful" by creating the renderer for me if it didn't already exist! Now not only does my initialization code not get called, I end up with the wrong renderer and so things don't render as expected when I try to use the window.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Tue, 24 Nov 2009 04:48:12 +0000 |
parents | c121d94672cb |
children |
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/* Scancodes for the Linux framebuffer console - Taken with thanks from SVGAlib 1.4.0 */ #define SCANCODE_ESCAPE 1 #define SCANCODE_1 2 #define SCANCODE_2 3 #define SCANCODE_3 4 #define SCANCODE_4 5 #define SCANCODE_5 6 #define SCANCODE_6 7 #define SCANCODE_7 8 #define SCANCODE_8 9 #define SCANCODE_9 10 #define SCANCODE_0 11 #define SCANCODE_MINUS 12 #define SCANCODE_EQUAL 13 #define SCANCODE_BACKSPACE 14 #define SCANCODE_TAB 15 #define SCANCODE_Q 16 #define SCANCODE_W 17 #define SCANCODE_E 18 #define SCANCODE_R 19 #define SCANCODE_T 20 #define SCANCODE_Y 21 #define SCANCODE_U 22 #define SCANCODE_I 23 #define SCANCODE_O 24 #define SCANCODE_P 25 #define SCANCODE_BRACKET_LEFT 26 #define SCANCODE_BRACKET_RIGHT 27 #define SCANCODE_ENTER 28 #define SCANCODE_LEFTCONTROL 29 #define SCANCODE_A 30 #define SCANCODE_S 31 #define SCANCODE_D 32 #define SCANCODE_F 33 #define SCANCODE_G 34 #define SCANCODE_H 35 #define SCANCODE_J 36 #define SCANCODE_K 37 #define SCANCODE_L 38 #define SCANCODE_SEMICOLON 39 #define SCANCODE_APOSTROPHE 40 #define SCANCODE_GRAVE 41 #define SCANCODE_LEFTSHIFT 42 #define SCANCODE_BACKSLASH 43 #define SCANCODE_Z 44 #define SCANCODE_X 45 #define SCANCODE_C 46 #define SCANCODE_V 47 #define SCANCODE_B 48 #define SCANCODE_N 49 #define SCANCODE_M 50 #define SCANCODE_COMMA 51 #define SCANCODE_PERIOD 52 #define SCANCODE_SLASH 53 #define SCANCODE_RIGHTSHIFT 54 #define SCANCODE_KEYPADMULTIPLY 55 #define SCANCODE_LEFTALT 56 #define SCANCODE_SPACE 57 #define SCANCODE_CAPSLOCK 58 #define SCANCODE_F1 59 #define SCANCODE_F2 60 #define SCANCODE_F3 61 #define SCANCODE_F4 62 #define SCANCODE_F5 63 #define SCANCODE_F6 64 #define SCANCODE_F7 65 #define SCANCODE_F8 66 #define SCANCODE_F9 67 #define SCANCODE_F10 68 #define SCANCODE_NUMLOCK 69 #define SCANCODE_SCROLLLOCK 70 #define SCANCODE_KEYPAD7 71 #define SCANCODE_CURSORUPLEFT 71 #define SCANCODE_KEYPAD8 72 #define SCANCODE_CURSORUP 72 #define SCANCODE_KEYPAD9 73 #define SCANCODE_CURSORUPRIGHT 73 #define SCANCODE_KEYPADMINUS 74 #define SCANCODE_KEYPAD4 75 #define SCANCODE_CURSORLEFT 75 #define SCANCODE_KEYPAD5 76 #define SCANCODE_KEYPAD6 77 #define SCANCODE_CURSORRIGHT 77 #define SCANCODE_KEYPADPLUS 78 #define SCANCODE_KEYPAD1 79 #define SCANCODE_CURSORDOWNLEFT 79 #define SCANCODE_KEYPAD2 80 #define SCANCODE_CURSORDOWN 80 #define SCANCODE_KEYPAD3 81 #define SCANCODE_CURSORDOWNRIGHT 81 #define SCANCODE_KEYPAD0 82 #define SCANCODE_KEYPADPERIOD 83 #define SCANCODE_LESS 86 #define SCANCODE_F11 87 #define SCANCODE_F12 88 #define SCANCODE_KEYPADENTER 96 #define SCANCODE_RIGHTCONTROL 97 #define SCANCODE_CONTROL 97 #define SCANCODE_KEYPADDIVIDE 98 #define SCANCODE_PRINTSCREEN 99 #define SCANCODE_RIGHTALT 100 #define SCANCODE_BREAK 101 /* Beware: is 119 */ #define SCANCODE_BREAK_ALTERNATIVE 119 /* on some keyboards! */ #define SCANCODE_HOME 102 #define SCANCODE_CURSORBLOCKUP 103 /* Cursor key block */ #define SCANCODE_PAGEUP 104 #define SCANCODE_CURSORBLOCKLEFT 105 /* Cursor key block */ #define SCANCODE_CURSORBLOCKRIGHT 106 /* Cursor key block */ #define SCANCODE_END 107 #define SCANCODE_CURSORBLOCKDOWN 108 /* Cursor key block */ #define SCANCODE_PAGEDOWN 109 #define SCANCODE_INSERT 110 #define SCANCODE_REMOVE 111 #define SCANCODE_RIGHTWIN 126 #define SCANCODE_LEFTWIN 125 /* vi: set ts=4 sw=4 expandtab: */