SDL_bmodes.cc
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "../../SDL_internal.h"
#if SDL_VIDEO_DRIVER_HAIKU
#include <AppKit.h>
#include <InterfaceKit.h>
#include "SDL_bmodes.h"
#include "SDL_BWin.h"
#if SDL_VIDEO_OPENGL
#include "SDL_bopengl.h"
#endif
#include "../../main/haiku/SDL_BApp.h"
#ifdef __cplusplus
extern "C" {
#endif
#define WRAP_BMODE 1 /* FIXME: Some debate as to whether this is necessary */
#if WRAP_BMODE
/* This wrapper is here so that the driverdata can be freed without freeing
the display_mode structure */
struct SDL_DisplayModeData {
display_mode *bmode;
};
#endif
static SDL_INLINE SDL_BWin *_ToBeWin(SDL_Window *window) {
return ((SDL_BWin*)(window->driverdata));
}
static SDL_INLINE SDL_BApp *_GetBeApp() {
return ((SDL_BApp*)be_app);
}
static SDL_INLINE display_mode * _ExtractBMode(SDL_DisplayMode *mode) {
#if WRAP_BMODE
return ((SDL_DisplayModeData*)mode->driverdata)->bmode;
#else
return (display_mode*)(mode->driverdata);
#endif
}
/* Copied from haiku/trunk/src/preferences/screen/ScreenMode.cpp */
static float get_refresh_rate(display_mode &mode) {
return float(mode.timing.pixel_clock * 1000)
/ float(mode.timing.h_total * mode.timing.v_total);
}
#if 0
/* TODO:
* This is a useful debugging tool. Uncomment and insert into code as needed.
*/
void _SpoutModeData(display_mode *bmode) {
printf("BMode:\n");
printf("\tw,h = (%i,%i)\n", bmode->virtual_width, bmode->virtual_height);
printf("\th,v = (%i,%i)\n", bmode->h_display_start,
bmode->v_display_start);
if(bmode->flags) {
printf("\tFlags:\n");
if(bmode->flags & B_SCROLL) {
printf("\t\tB_SCROLL\n");
}
if(bmode->flags & B_8_BIT_DAC) {
printf("\t\tB_8_BIT_DAC\n");
}
if(bmode->flags & B_HARDWARE_CURSOR) {
printf("\t\tB_HARDWARE_CURSOR\n");
}
if(bmode->flags & B_PARALLEL_ACCESS) {
printf("\t\tB_PARALLEL_ACCESS\n");
}
if(bmode->flags & B_DPMS) {
printf("\t\tB_DPMS\n");
}
if(bmode->flags & B_IO_FB_NA) {
printf("\t\tB_IO_FB_NA\n");
}
}
printf("\tTiming:\n");
printf("\t\tpx clock: %i\n", bmode->timing.pixel_clock);
printf("\t\th - display: %i sync start: %i sync end: %i total: %i\n",
bmode->timing.h_display, bmode->timing.h_sync_start,
bmode->timing.h_sync_end, bmode->timing.h_total);
printf("\t\tv - display: %i sync start: %i sync end: %i total: %i\n",
bmode->timing.v_display, bmode->timing.v_sync_start,
bmode->timing.v_sync_end, bmode->timing.v_total);
if(bmode->timing.flags) {
printf("\t\tFlags:\n");
if(bmode->timing.flags & B_BLANK_PEDESTAL) {
printf("\t\t\tB_BLANK_PEDESTAL\n");
}
if(bmode->timing.flags & B_TIMING_INTERLACED) {
printf("\t\t\tB_TIMING_INTERLACED\n");
}
if(bmode->timing.flags & B_POSITIVE_HSYNC) {
printf("\t\t\tB_POSITIVE_HSYNC\n");
}
if(bmode->timing.flags & B_POSITIVE_VSYNC) {
printf("\t\t\tB_POSITIVE_VSYNC\n");
}
if(bmode->timing.flags & B_SYNC_ON_GREEN) {
printf("\t\t\tB_SYNC_ON_GREEN\n");
}
}
}
#endif
int32 BE_ColorSpaceToBitsPerPixel(uint32 colorspace)
{
int bitsperpixel;
bitsperpixel = 0;
switch (colorspace) {
case B_CMAP8:
bitsperpixel = 8;
break;
case B_RGB15:
case B_RGBA15:
case B_RGB15_BIG:
case B_RGBA15_BIG:
bitsperpixel = 15;
break;
case B_RGB16:
case B_RGB16_BIG:
bitsperpixel = 16;
break;
case B_RGB32:
case B_RGBA32:
case B_RGB32_BIG:
case B_RGBA32_BIG:
bitsperpixel = 32;
break;
default:
break;
}
return(bitsperpixel);
}
int32 BE_BPPToSDLPxFormat(int32 bpp) {
/* Translation taken from SDL_windowsmodes.c */
switch (bpp) {
case 32:
return SDL_PIXELFORMAT_RGB888;
break;
case 24: /* May not be supported by Haiku */
return SDL_PIXELFORMAT_RGB24;
break;
case 16:
return SDL_PIXELFORMAT_RGB565;
break;
case 15:
return SDL_PIXELFORMAT_RGB555;
break;
case 8:
return SDL_PIXELFORMAT_INDEX8;
break;
case 4: /* May not be supported by Haiku */
return SDL_PIXELFORMAT_INDEX4LSB;
break;
}
/* May never get here, but safer and needed to shut up compiler */
SDL_SetError("Invalid bpp value");
return 0;
}
static void _BDisplayModeToSdlDisplayMode(display_mode *bmode,
SDL_DisplayMode *mode) {
mode->w = bmode->virtual_width;
mode->h = bmode->virtual_height;
mode->refresh_rate = (int)get_refresh_rate(*bmode);
#if WRAP_BMODE
SDL_DisplayModeData *data = (SDL_DisplayModeData*)SDL_calloc(1,
sizeof(SDL_DisplayModeData));
data->bmode = bmode;
mode->driverdata = data;
#else
mode->driverdata = bmode;
#endif
/* Set the format */
int32 bpp = BE_ColorSpaceToBitsPerPixel(bmode->space);
mode->format = BE_BPPToSDLPxFormat(bpp);
}
/* Later, there may be more than one monitor available */
static void _AddDisplay(BScreen *screen) {
SDL_VideoDisplay display;
SDL_DisplayMode *mode = (SDL_DisplayMode*)SDL_calloc(1,
sizeof(SDL_DisplayMode));
display_mode *bmode = (display_mode*)SDL_calloc(1, sizeof(display_mode));
screen->GetMode(bmode);
_BDisplayModeToSdlDisplayMode(bmode, mode);
SDL_zero(display);
display.desktop_mode = *mode;
display.current_mode = *mode;
SDL_AddVideoDisplay(&display);
}
/*
* Functions called by SDL
*/
int BE_InitModes(_THIS) {
BScreen screen;
/* TODO: When Haiku supports multiple display screens, call
_AddDisplayScreen() for each of them. */
_AddDisplay(&screen);
return 0;
}
int BE_QuitModes(_THIS) {
/* FIXME: Nothing really needs to be done here at the moment? */
return 0;
}
int BE_GetDisplayBounds(_THIS, SDL_VideoDisplay *display, SDL_Rect *rect) {
BScreen bscreen;
BRect rc = bscreen.Frame();
rect->x = (int)rc.left;
rect->y = (int)rc.top;
rect->w = (int)rc.Width() + 1;
rect->h = (int)rc.Height() + 1;
return 0;
}
void BE_GetDisplayModes(_THIS, SDL_VideoDisplay *display) {
/* Get the current screen */
BScreen bscreen;
/* Iterate through all of the modes */
SDL_DisplayMode mode;
display_mode this_bmode;
display_mode *bmodes;
uint32 count, i;
/* Get graphics-hardware supported modes */
bscreen.GetModeList(&bmodes, &count);
bscreen.GetMode(&this_bmode);
for(i = 0; i < count; ++i) {
// FIXME: Apparently there are errors with colorspace changes
if (bmodes[i].space == this_bmode.space) {
_BDisplayModeToSdlDisplayMode(&bmodes[i], &mode);
SDL_AddDisplayMode(display, &mode);
}
}
free(bmodes);
}
int BE_SetDisplayMode(_THIS, SDL_VideoDisplay *display, SDL_DisplayMode *mode){
/* Get the current screen */
BScreen bscreen;
if(!bscreen.IsValid()) {
printf(__FILE__": %d - ERROR: BAD SCREEN\n", __LINE__);
}
/* Set the mode using the driver data */
display_mode *bmode = _ExtractBMode(mode);
/* FIXME: Is the first option always going to be the right one? */
uint32 c = 0, i;
display_mode *bmode_list;
bscreen.GetModeList(&bmode_list, &c);
for(i = 0; i < c; ++i) {
if( bmode_list[i].space == bmode->space &&
bmode_list[i].virtual_width == bmode->virtual_width &&
bmode_list[i].virtual_height == bmode->virtual_height ) {
bmode = &bmode_list[i];
break;
}
}
if(bscreen.SetMode(bmode) != B_OK) {
return SDL_SetError("Bad video mode");
}
free(bmode_list);
#if SDL_VIDEO_OPENGL
/* FIXME: Is there some way to reboot the OpenGL context? This doesn't
help */
// BE_GL_RebootContexts(_this);
#endif
return 0;
}
#ifdef __cplusplus
}
#endif
#endif /* SDL_VIDEO_DRIVER_HAIKU */
/* vi: set ts=4 sw=4 expandtab: */
BE_InitModes
int BE_InitModes(_THIS)
BE_QuitModes
int BE_QuitModes(_THIS)
SDL_PIXELFORMAT_INDEX4LSB
Definition: SDL_pixels.h:180
BE_ColorSpaceToBitsPerPixel
int32 BE_ColorSpaceToBitsPerPixel(uint32 colorspace)
SDL_DisplayMode::w
int w
Definition: SDL_video.h:56
count
GLuint GLuint GLsizei count
Definition: SDL_opengl.h:1571
BE_GetDisplayModes
void BE_GetDisplayModes(_THIS, SDL_VideoDisplay *display)
rect
SDL_Rect rect
Definition: testrelative.c:27
free
SDL_EventEntry * free
Definition: SDL_events.c:84
BE_SetDisplayMode
int BE_SetDisplayMode(_THIS, SDL_VideoDisplay *display, SDL_DisplayMode *mode)
SDL_DisplayMode
The structure that defines a display mode.
Definition: SDL_video.h:53
SDL_bmodes.h
SDL_DisplayMode::refresh_rate
int refresh_rate
Definition: SDL_video.h:58
data
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
SDL_AddVideoDisplay
int SDL_AddVideoDisplay(const SDL_VideoDisplay *display)
Definition: SDL_video.c:606
SDL_PIXELFORMAT_RGB888
Definition: SDL_pixels.h:236
SDL_DisplayModeData
Definition: SDL_cocoamodes.h:31
SDL_BApp
Definition: SDL_BApp.h:81
SDL_PIXELFORMAT_INDEX8
Definition: SDL_pixels.h:186
_THIS
#define _THIS
Definition: SDL_alsa_audio.h:31
SDL_DisplayMode::driverdata
void * driverdata
Definition: SDL_video.h:59
BE_BPPToSDLPxFormat
int32 BE_BPPToSDLPxFormat(int32 bpp)
SDL_VideoDisplay::current_mode
SDL_DisplayMode current_mode
Definition: SDL_sysvideo.h:132
c
const GLubyte * c
Definition: SDL_opengl_glext.h:11093
mode
GLenum mode
Definition: SDL_opengl_glext.h:1122
SDL_zero
#define SDL_zero(x)
Definition: SDL_stdinc.h:416
SDL_DisplayMode::h
int h
Definition: SDL_video.h:57
SDL_Rect::x
int x
Definition: SDL_rect.h:66
BE_GetDisplayBounds
int BE_GetDisplayBounds(_THIS, SDL_VideoDisplay *display, SDL_Rect *rect)
SDL_Rect::w
int w
Definition: SDL_rect.h:67
SDL_VideoDisplay
Definition: SDL_sysvideo.h:125
i
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:50
SDL_VideoDisplay::desktop_mode
SDL_DisplayMode desktop_mode
Definition: SDL_sysvideo.h:131
SDL_SetError
#define SDL_SetError
Definition: SDL_dynapi_overrides.h:30
SDL_BWin
Definition: SDL_BWin.h:64
SDL_calloc
#define SDL_calloc
Definition: SDL_dynapi_overrides.h:375
SDL_PIXELFORMAT_RGB565
Definition: SDL_pixels.h:224
window
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
SDL_Rect::h
int h
Definition: SDL_rect.h:67
SDL_Window
The type used to identify a window.
Definition: SDL_sysvideo.h:73
SDL_PIXELFORMAT_RGB24
Definition: SDL_pixels.h:230
SDL_AddDisplayMode
SDL_bool SDL_AddDisplayMode(SDL_VideoDisplay *display, const SDL_DisplayMode *mode)
Definition: SDL_video.c:743
SDL_bopengl.h
SDL_INLINE
#define SDL_INLINE
Definition: begin_code.h:131
SDL_Window::driverdata
void * driverdata
Definition: SDL_sysvideo.h:111
SDL_DisplayMode::format
Uint32 format
Definition: SDL_video.h:55
screen
SDL_Renderer * screen
Definition: testgamecontroller.c:64
SDL_BWin.h
SDL_Rect::y
int y
Definition: SDL_rect.h:66
SDL_Rect
A rectangle, with the origin at the upper left.
Definition: SDL_rect.h:64
SDL_PIXELFORMAT_RGB555
Definition: SDL_pixels.h:194