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Updated the iPhone demos for the new API

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This commit is contained in:
Sam Lantinga 2011-02-06 09:02:10 -08:00
parent a83bca04d0
commit ccdb593a0b
7 changed files with 58 additions and 84 deletions
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4
Xcode-iPhoneOS/Demos/DemosiPhoneOS.xcodeproj/project.pbxproj
View file

@ -748,7 +748,7 @@
GCC_WARN_ABOUT_RETURN_TYPE = YES;
GCC_WARN_UNUSED_VARIABLE = YES;
HEADER_SEARCH_PATHS = ../../include;
LIBRARY_SEARCH_PATHS = "\"$(SRCROOT)/../SDLiPod/build/Release-iphoneos\"";
LIBRARY_SEARCH_PATHS = "";
ONLY_ACTIVE_ARCH = YES;
OTHER_CFLAGS = "";
PREBINDING = NO;
@ -767,7 +767,7 @@
GCC_WARN_ABOUT_RETURN_TYPE = YES;
GCC_WARN_UNUSED_VARIABLE = YES;
HEADER_SEARCH_PATHS = ../../include;
LIBRARY_SEARCH_PATHS = "\"$(SRCROOT)/../SDLiPod/build/Release-iphoneos\"";
LIBRARY_SEARCH_PATHS = "";
OTHER_CFLAGS = "";
PREBINDING = NO;
PRELINK_LIBS = "";

37
Xcode-iPhoneOS/Demos/src/accelerometer.c
View file

@ -31,7 +31,7 @@ static SDL_Texture *ship = 0; /* texture for spaceship */
static SDL_Texture *space = 0; /* texture for space (background */
void
render(void)
render(SDL_Renderer *renderer)
{
@ -97,28 +97,24 @@ render(void)
}
/* draw the background */
SDL_RenderCopy(space, NULL, NULL);
SDL_RenderCopy(renderer, space, NULL, NULL);
/* draw the ship */
shipData.rect.x = shipData.x;
shipData.rect.y = shipData.y;
SDL_RenderCopy(ship, NULL, &shipData.rect);
SDL_RenderCopy(renderer, ship, NULL, &shipData.rect);
/* update screen */
SDL_RenderPresent();
SDL_RenderPresent(renderer);
}
void
initializeTextures()
initializeTextures(SDL_Renderer *renderer)
{
SDL_Surface *bmp_surface;
SDL_Surface *bmp_surface_rgba;
int format = SDL_PIXELFORMAT_ABGR8888; /* desired texture format */
Uint32 Rmask, Gmask, Bmask, Amask; /* masks for desired format */
int bpp; /* bits per pixel for desired format */
/* load the ship */
bmp_surface = SDL_LoadBMP("ship.bmp");
@ -128,20 +124,9 @@ initializeTextures()
/* set blue to transparent on the ship */
SDL_SetColorKey(bmp_surface, 1,
SDL_MapRGB(bmp_surface->format, 0, 0, 255));
SDL_PixelFormatEnumToMasks(format, &bpp, &Rmask, &Gmask, &Bmask, &Amask);
/*
create a new RGBA surface and blit the bmp to it
this is an extra step, but it seems to be necessary for the color key to work
does the fact that this is necessary indicate a bug in SDL?
*/
bmp_surface_rgba =
SDL_CreateRGBSurface(0, bmp_surface->w, bmp_surface->h, bpp, Rmask,
Gmask, Bmask, Amask);
SDL_BlitSurface(bmp_surface, NULL, bmp_surface_rgba, NULL);
/* create ship texture from surface */
ship = SDL_CreateTextureFromSurface(format, bmp_surface_rgba);
ship = SDL_CreateTextureFromSurface(renderer, bmp_surface);
if (ship == 0) {
fatalError("could not create ship texture");
}
@ -151,7 +136,6 @@ initializeTextures()
shipData.rect.w = bmp_surface->w;
shipData.rect.h = bmp_surface->h;
SDL_FreeSurface(bmp_surface_rgba);
SDL_FreeSurface(bmp_surface);
/* load the space background */
@ -160,7 +144,7 @@ initializeTextures()
fatalError("could not load space.bmp");
}
/* create space texture from surface */
space = SDL_CreateTextureFromSurface(format, bmp_surface);
space = SDL_CreateTextureFromSurface(renderer, bmp_surface);
if (space == 0) {
fatalError("could not create space texture");
}
@ -175,6 +159,7 @@ main(int argc, char *argv[])
{
SDL_Window *window; /* main window */
SDL_Renderer *renderer;
Uint32 startFrame; /* time frame began to process */
Uint32 endFrame; /* time frame ended processing */
Uint32 delay; /* time to pause waiting to draw next frame */
@ -189,7 +174,7 @@ main(int argc, char *argv[])
window = SDL_CreateWindow(NULL, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT,
SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN |
SDL_WINDOW_BORDERLESS);
SDL_CreateRenderer(window, 0, 0);
renderer = SDL_CreateRenderer(window, 0, 0);
/* print out some info about joysticks and try to open accelerometer for use */
printf("There are %d joysticks available\n", SDL_NumJoysticks());
@ -208,7 +193,7 @@ main(int argc, char *argv[])
SDL_JoystickNumButtons(accelerometer));
/* load graphics */
initializeTextures();
initializeTextures(renderer);
/* setup ship */
shipData.x = (SCREEN_WIDTH - shipData.rect.w) / 2;
@ -226,7 +211,7 @@ main(int argc, char *argv[])
done = 1;
}
}
render();
render(renderer);
endFrame = SDL_GetTicks();
/* figure out how much time we have left, and then sleep */

4
Xcode-iPhoneOS/Demos/src/fireworks.c
View file

@ -173,9 +173,6 @@ drawParticles()
/* draw our particles! */
glDrawArrays(GL_POINTS, 0, num_active_particles);
/* update screen */
SDL_RenderPresent();
}
/*
@ -437,6 +434,7 @@ main(int argc, char *argv[])
}
stepParticles();
drawParticles();
SDL_GL_SwapWindow(window);
endFrame = SDL_GetTicks();
/* figure out how much time we have left, and then sleep */

38
Xcode-iPhoneOS/Demos/src/happy.c
View file

@ -36,7 +36,7 @@ initializeHappyFaces()
}
void
render(void)
render(SDL_Renderer *renderer)
{
int i;
@ -58,8 +58,8 @@ render(void)
dstRect.h = HAPPY_FACE_SIZE;
/* fill background in with black */
SDL_SetRenderDrawColor(0, 0, 0, 255);
SDL_RenderFill(NULL);
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
SDL_RenderClear(renderer);
/*
loop through all the happy faces:
@ -86,10 +86,10 @@ render(void)
}
dstRect.x = faces[i].x;
dstRect.y = faces[i].y;
SDL_RenderCopy(texture, &srcRect, &dstRect);
SDL_RenderCopy(renderer, texture, &srcRect, &dstRect);
}
/* update screen */
SDL_RenderPresent();
SDL_RenderPresent(renderer);
}
@ -97,13 +97,9 @@ render(void)
loads the happyface graphic into a texture
*/
void
initializeTexture()
initializeTexture(SDL_Renderer *renderer)
{
SDL_Surface *bmp_surface;
SDL_Surface *bmp_surface_rgba;
int format = SDL_PIXELFORMAT_ABGR8888; /* desired texture format */
Uint32 Rmask, Gmask, Bmask, Amask; /* masks for desired format */
int bpp; /* bits per pixel for desired format */
/* load the bmp */
bmp_surface = SDL_LoadBMP("icon.bmp");
if (bmp_surface == NULL) {
@ -112,26 +108,15 @@ initializeTexture()
/* set white to transparent on the happyface */
SDL_SetColorKey(bmp_surface, 1,
SDL_MapRGB(bmp_surface->format, 255, 255, 255));
SDL_PixelFormatEnumToMasks(format, &bpp, &Rmask, &Gmask, &Bmask, &Amask);
/*
create a new RGBA surface and blit the bmp to it
this is an extra step, but it seems to be necessary
is this a bug?
*/
bmp_surface_rgba =
SDL_CreateRGBSurface(0, bmp_surface->w, bmp_surface->h, bpp, Rmask,
Gmask, Bmask, Amask);
SDL_BlitSurface(bmp_surface, NULL, bmp_surface_rgba, NULL);
/* convert RGBA surface to texture */
texture = SDL_CreateTextureFromSurface(format, bmp_surface_rgba);
texture = SDL_CreateTextureFromSurface(renderer, bmp_surface);
if (texture == 0) {
fatalError("could not create texture");
}
SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_BLEND);
/* free up allocated memory */
SDL_FreeSurface(bmp_surface_rgba);
SDL_FreeSurface(bmp_surface);
}
@ -140,6 +125,7 @@ main(int argc, char *argv[])
{
SDL_Window *window;
SDL_Renderer *renderer;
Uint32 startFrame;
Uint32 endFrame;
Uint32 delay;
@ -153,9 +139,11 @@ main(int argc, char *argv[])
SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN |
SDL_WINDOW_BORDERLESS);
SDL_CreateRenderer(window, -1, 0);
//SDL_SetHint(SDL_HINT_RENDER_DRIVER, "opengles2");
renderer = SDL_CreateRenderer(window, -1, 0);
initializeTexture();
initializeTexture(renderer);
initializeHappyFaces();
/* main loop */
@ -168,7 +156,7 @@ main(int argc, char *argv[])
done = 1;
}
}
render();
render(renderer);
endFrame = SDL_GetTicks();
/* figure out how much time we have left, and then sleep */

18
Xcode-iPhoneOS/Demos/src/mixer.c
View file

@ -33,7 +33,6 @@ static struct sound drums[NUM_DRUMS];
void handleMouseButtonDown(SDL_Event * event);
void handleMouseButtonUp(SDL_Event * event);
int playSound(struct sound *);
void render(void);
void initializeButtons();
void audioCallback(void *userdata, Uint8 * stream, int len);
void loadSound(const char *file, struct sound *s);
@ -163,20 +162,20 @@ handleMouseButtonUp(SDL_Event * event)
/* draws buttons to screen */
void
render(void)
render(SDL_Renderer *renderer)
{
int i;
SDL_SetRenderDrawColor(50, 50, 50, 255);
SDL_RenderFill(NULL); /* draw background (gray) */
SDL_SetRenderDrawColor(renderer, 50, 50, 50, 255);
SDL_RenderClear(renderer); /* draw background (gray) */
/* draw the drum buttons */
for (i = 0; i < NUM_DRUMS; i++) {
SDL_Color color =
buttons[i].isPressed ? buttons[i].downColor : buttons[i].upColor;
SDL_SetRenderDrawColor(color.r, color.g, color.b, color.unused);
SDL_RenderFill(&buttons[i].rect);
SDL_SetRenderDrawColor(renderer, color.r, color.g, color.b, color.unused);
SDL_RenderFillRect(renderer, &buttons[i].rect);
}
/* update the screen */
SDL_RenderPresent();
SDL_RenderPresent(renderer);
}
/*
@ -274,6 +273,7 @@ main(int argc, char *argv[])
int done; /* has user tried to quit ? */
SDL_Window *window; /* main window */
SDL_Renderer *renderer;
SDL_Event event;
Uint32 startFrame; /* holds when frame started processing */
Uint32 endFrame; /* holds when frame ended processing */
@ -285,7 +285,7 @@ main(int argc, char *argv[])
window =
SDL_CreateWindow(NULL, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT,
SDL_WINDOW_OPENGL | SDL_WINDOW_BORDERLESS);
SDL_CreateRenderer(window, 0, 0);
renderer = SDL_CreateRenderer(window, 0, 0);
/* initialize the mixer */
SDL_memset(&mixer, 0, sizeof(mixer));
@ -328,7 +328,7 @@ main(int argc, char *argv[])
break;
}
}
render(); /* draw buttons */
render(renderer); /* draw buttons */
endFrame = SDL_GetTicks();
/* figure out how much time we have left, and then sleep */

18
Xcode-iPhoneOS/Demos/src/rectangles.c
View file

@ -9,7 +9,7 @@
#include "common.h"
void
render(void)
render(SDL_Renderer *renderer)
{
Uint8 r, g, b;
@ -26,11 +26,11 @@ render(void)
b = randomInt(50, 255);
/* Fill the rectangle in the color */
SDL_SetRenderDrawColor(r, g, b, 255);
SDL_RenderFill(&rect);
SDL_SetRenderDrawColor(renderer, r, g, b, 255);
SDL_RenderFillRect(renderer, &rect);
/* update screen */
SDL_RenderPresent();
SDL_RenderPresent(renderer);
}
@ -39,6 +39,7 @@ main(int argc, char *argv[])
{
SDL_Window *window;
SDL_Renderer *renderer;
int done;
SDL_Event event;
@ -57,13 +58,14 @@ main(int argc, char *argv[])
if (window == 0) {
fatalError("Could not initialize Window");
}
if (SDL_CreateRenderer(window, -1, 0) != 0) {
renderer = SDL_CreateRenderer(window, -1, 0);
if (!renderer) {
fatalError("Could not create renderer");
}
/* Fill screen with black */
SDL_SetRenderDrawColor(0, 0, 0, 255);
SDL_RenderFill(NULL);
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
SDL_RenderClear(renderer);
/* Enter render loop, waiting for user to quit */
done = 0;
@ -73,7 +75,7 @@ main(int argc, char *argv[])
done = 1;
}
}
render();
render(renderer);
SDL_Delay(1);
}

23
Xcode-iPhoneOS/Demos/src/touch.c
View file

@ -18,7 +18,7 @@ static SDL_Texture *brush = 0; /* texture for the brush */
this is accomplished by drawing several blots spaced PIXELS_PER_ITERATION apart
*/
void
drawLine(float startx, float starty, float dx, float dy)
drawLine(SDL_Renderer *renderer, float startx, float starty, float dx, float dy)
{
float distance = sqrt(dx * dx + dy * dy); /* length of line segment (pythagoras) */
@ -43,7 +43,7 @@ drawLine(float startx, float starty, float dx, float dy)
x += dx_prime;
y += dy_prime;
/* draw brush blot */
SDL_RenderCopy(brush, NULL, &dstRect);
SDL_RenderCopy(renderer, brush, NULL, &dstRect);
}
}
@ -51,7 +51,7 @@ drawLine(float startx, float starty, float dx, float dy)
loads the brush texture
*/
void
initializeTexture()
initializeTexture(SDL_Renderer *renderer)
{
SDL_Surface *bmp_surface;
bmp_surface = SDL_LoadBMP("stroke.bmp");
@ -59,7 +59,7 @@ initializeTexture()
fatalError("could not load stroke.bmp");
}
brush =
SDL_CreateTextureFromSurface(SDL_PIXELFORMAT_ABGR8888, bmp_surface);
SDL_CreateTextureFromSurface(renderer, bmp_surface);
SDL_FreeSurface(bmp_surface);
if (brush == 0) {
fatalError("could not create brush texture");
@ -78,6 +78,7 @@ main(int argc, char *argv[])
Uint8 state; /* mouse (touch) state */
SDL_Event event;
SDL_Window *window; /* main window */
SDL_Renderer *renderer;
int done; /* does user want to quit? */
/* initialize SDL */
@ -89,15 +90,15 @@ main(int argc, char *argv[])
window = SDL_CreateWindow(NULL, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT,
SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN |
SDL_WINDOW_BORDERLESS);
SDL_CreateRenderer(window, 0, 0);
renderer = SDL_CreateRenderer(window, 0, 0);
/*load brush texture */
initializeTexture();
initializeTexture(renderer);
/* fill canvass initially with all black */
SDL_SetRenderDrawColor(0, 0, 0, 255);
SDL_RenderFill(NULL);
SDL_RenderPresent();
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
SDL_RenderClear();
SDL_RenderPresent(renderer);
done = 0;
while (!done && SDL_WaitEvent(&event)) {
@ -109,8 +110,8 @@ main(int argc, char *argv[])
state = SDL_GetMouseState(&x, &y); /* get its location */
SDL_GetRelativeMouseState(&dx, &dy); /* find how much the mouse moved */
if (state & SDL_BUTTON_LMASK) { /* is the mouse (touch) down? */
drawLine(x - dx, y - dy, dx, dy); /* draw line segment */
SDL_RenderPresent();
drawLine(renderer, x - dx, y - dy, dx, dy); /* draw line segment */
SDL_RenderPresent(renderer);
}
break;
}