Ammerhai/Mikemon
2
0
Fork 0
Code Issues 8 Pull Requests Packages Projects 2 Releases 1 Wiki Activity

update SDL3 from 3.2.20 to 3.4.2

Browse Source
This commit is contained in:
Sven Balzer
2026-04-01 18:25:03 +02:00
parent 1daf4d79f1
commit 05b19704f8
1626 changed files with 124218 additions and 191491 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libs/SDL3/examples/renderer/01-clear/clear.c
+2 -1
View File
@@ -24,10 +24,11 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
return SDL_APP_FAILURE;
}
if (!SDL_CreateWindowAndRenderer("examples/renderer/clear", 640, 480, 0, &window, &renderer)) {
if (!SDL_CreateWindowAndRenderer("examples/renderer/clear", 640, 480, SDL_WINDOW_RESIZABLE, &window, &renderer)) {
SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_SetRenderLogicalPresentation(renderer, 640, 480, SDL_LOGICAL_PRESENTATION_LETTERBOX);
return SDL_APP_CONTINUE; /* carry on with the program! */
}
libs/SDL3/examples/renderer/02-primitives/primitives.c
+2 -1
View File
@@ -26,10 +26,11 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
return SDL_APP_FAILURE;
}
if (!SDL_CreateWindowAndRenderer("examples/renderer/primitives", 640, 480, 0, &window, &renderer)) {
if (!SDL_CreateWindowAndRenderer("examples/renderer/primitives", 640, 480, SDL_WINDOW_RESIZABLE, &window, &renderer)) {
SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_SetRenderLogicalPresentation(renderer, 640, 480, SDL_LOGICAL_PRESENTATION_LETTERBOX);
/* set up some random points */
for (i = 0; i < SDL_arraysize(points); i++) {
libs/SDL3/examples/renderer/03-lines/lines.c
+4 -2
View File
@@ -23,10 +23,11 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
return SDL_APP_FAILURE;
}
if (!SDL_CreateWindowAndRenderer("examples/renderer/lines", 640, 480, 0, &window, &renderer)) {
if (!SDL_CreateWindowAndRenderer("examples/renderer/lines", 640, 480, SDL_WINDOW_RESIZABLE, &window, &renderer)) {
SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_SetRenderLogicalPresentation(renderer, 640, 480, SDL_LOGICAL_PRESENTATION_LETTERBOX);
return SDL_APP_CONTINUE; /* carry on with the program! */
}
@@ -76,8 +77,9 @@ SDL_AppResult SDL_AppIterate(void *appstate)
const float size = 30.0f;
const float x = 320.0f;
const float y = 95.0f - (size / 2.0f);
const float r = (float) i * (SDL_PI_F / 180.0f);
SDL_SetRenderDrawColor(renderer, SDL_rand(256), SDL_rand(256), SDL_rand(256), SDL_ALPHA_OPAQUE);
SDL_RenderLine(renderer, x, y, x + SDL_sinf((float) i) * size, y + SDL_cosf((float) i) * size);
SDL_RenderLine(renderer, x, y, x + SDL_cosf(r) * size, y + SDL_sinf(r) * size);
}
SDL_RenderPresent(renderer); /* put it all on the screen! */
libs/SDL3/examples/renderer/04-points/points.c
+2 -1
View File
@@ -43,10 +43,11 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
return SDL_APP_FAILURE;
}
if (!SDL_CreateWindowAndRenderer("examples/renderer/points", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
if (!SDL_CreateWindowAndRenderer("examples/renderer/points", WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_RESIZABLE, &window, &renderer)) {
SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_SetRenderLogicalPresentation(renderer, WINDOW_WIDTH, WINDOW_HEIGHT, SDL_LOGICAL_PRESENTATION_LETTERBOX);
/* set up the data for a bunch of points. */
for (i = 0; i < SDL_arraysize(points); i++) {
libs/SDL3/examples/renderer/05-rectangles/rectangles.c
+2 -1
View File
@@ -26,10 +26,11 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
return SDL_APP_FAILURE;
}
if (!SDL_CreateWindowAndRenderer("examples/renderer/rectangles", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
if (!SDL_CreateWindowAndRenderer("examples/renderer/rectangles", WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_RESIZABLE, &window, &renderer)) {
SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_SetRenderLogicalPresentation(renderer, WINDOW_WIDTH, WINDOW_HEIGHT, SDL_LOGICAL_PRESENTATION_LETTERBOX);
return SDL_APP_CONTINUE; /* carry on with the program! */
}
libs/SDL3/examples/renderer/06-textures/README.txt
+1 -1
View File
@@ -1,3 +1,3 @@
This example creates an SDL window and renderer, loads a texture from a
.bmp file, and then draws it a few times each frame.
.png file, and then draws it a few times each frame.
libs/SDL3/examples/renderer/06-textures/textures.c
+9 -8
View File
@@ -23,7 +23,7 @@ static int texture_height = 0;
SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
{
SDL_Surface *surface = NULL;
char *bmp_path = NULL;
char *png_path = NULL;
SDL_SetAppMetadata("Example Renderer Textures", "1.0", "com.example.renderer-textures");
@@ -32,25 +32,26 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
return SDL_APP_FAILURE;
}
if (!SDL_CreateWindowAndRenderer("examples/renderer/textures", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
if (!SDL_CreateWindowAndRenderer("examples/renderer/textures", WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_RESIZABLE, &window, &renderer)) {
SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_SetRenderLogicalPresentation(renderer, WINDOW_WIDTH, WINDOW_HEIGHT, SDL_LOGICAL_PRESENTATION_LETTERBOX);
/* Textures are pixel data that we upload to the video hardware for fast drawing. Lots of 2D
engines refer to these as "sprites." We'll do a static texture (upload once, draw many
times) with data from a bitmap file. */
times) with data from a png file. */
/* SDL_Surface is pixel data the CPU can access. SDL_Texture is pixel data the GPU can access.
Load a .bmp into a surface, move it to a texture from there. */
SDL_asprintf(&bmp_path, "%ssample.bmp", SDL_GetBasePath()); /* allocate a string of the full file path */
surface = SDL_LoadBMP(bmp_path);
Load a .png into a surface, move it to a texture from there. */
SDL_asprintf(&png_path, "%ssample.png", SDL_GetBasePath()); /* allocate a string of the full file path */
surface = SDL_LoadPNG(png_path);
if (!surface) {
SDL_Log("Couldn't load bitmap: %s", SDL_GetError());
SDL_Log("Couldn't load png: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_free(bmp_path); /* done with this, the file is loaded. */
SDL_free(png_path); /* done with this, the file is loaded. */
texture_width = surface->w;
texture_height = surface->h;
libs/SDL3/examples/renderer/07-streaming-textures/streaming-textures.c
+3 -2
View File
@@ -29,10 +29,11 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
return SDL_APP_FAILURE;
}
if (!SDL_CreateWindowAndRenderer("examples/renderer/streaming-textures", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
if (!SDL_CreateWindowAndRenderer("examples/renderer/streaming-textures", WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_RESIZABLE, &window, &renderer)) {
SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_SetRenderLogicalPresentation(renderer, WINDOW_WIDTH, WINDOW_HEIGHT, SDL_LOGICAL_PRESENTATION_LETTERBOX);
texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_STREAMING, TEXTURE_SIZE, TEXTURE_SIZE);
if (!texture) {
@@ -65,7 +66,7 @@ SDL_AppResult SDL_AppIterate(void *appstate)
/* To update a streaming texture, you need to lock it first. This gets you access to the pixels.
Note that this is considered a _write-only_ operation: the buffer you get from locking
might not acutally have the existing contents of the texture, and you have to write to every
might not actually have the existing contents of the texture, and you have to write to every
locked pixel! */
/* You can use SDL_LockTexture() to get an array of raw pixels, but we're going to use
libs/SDL3/examples/renderer/08-rotating-textures/README.txt
+1 -1
View File
@@ -1,3 +1,3 @@
This example creates an SDL window and renderer, loads a texture from a .bmp
This example creates an SDL window and renderer, loads a texture from a .png
file, and then draws it, rotating around the center of the screen.
libs/SDL3/examples/renderer/08-rotating-textures/rotating-textures.c
+7 -6
View File
@@ -23,7 +23,7 @@ static int texture_height = 0;
SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
{
SDL_Surface *surface = NULL;
char *bmp_path = NULL;
char *png_path = NULL;
SDL_SetAppMetadata("Example Renderer Rotating Textures", "1.0", "com.example.renderer-rotating-textures");
@@ -32,25 +32,26 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
return SDL_APP_FAILURE;
}
if (!SDL_CreateWindowAndRenderer("examples/renderer/rotating-textures", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
if (!SDL_CreateWindowAndRenderer("examples/renderer/rotating-textures", WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_RESIZABLE, &window, &renderer)) {
SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_SetRenderLogicalPresentation(renderer, WINDOW_WIDTH, WINDOW_HEIGHT, SDL_LOGICAL_PRESENTATION_LETTERBOX);
/* Textures are pixel data that we upload to the video hardware for fast drawing. Lots of 2D
engines refer to these as "sprites." We'll do a static texture (upload once, draw many
times) with data from a bitmap file. */
/* SDL_Surface is pixel data the CPU can access. SDL_Texture is pixel data the GPU can access.
Load a .bmp into a surface, move it to a texture from there. */
SDL_asprintf(&bmp_path, "%ssample.bmp", SDL_GetBasePath()); /* allocate a string of the full file path */
surface = SDL_LoadBMP(bmp_path);
Load a .png into a surface, move it to a texture from there. */
SDL_asprintf(&png_path, "%ssample.png", SDL_GetBasePath()); /* allocate a string of the full file path */
surface = SDL_LoadPNG(png_path);
if (!surface) {
SDL_Log("Couldn't load bitmap: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_free(bmp_path); /* done with this, the file is loaded. */
SDL_free(png_path); /* done with this, the file is loaded. */
texture_width = surface->w;
texture_height = surface->h;
libs/SDL3/examples/renderer/09-scaling-textures/README.txt
+1 -1
View File
@@ -1,3 +1,3 @@
This example creates an SDL window and renderer, loads a texture from a .bmp
This example creates an SDL window and renderer, loads a texture from a .png
file, and then draws it, scaling it up and down.
libs/SDL3/examples/renderer/09-scaling-textures/scaling-textures.c
+7 -6
View File
@@ -23,7 +23,7 @@ static int texture_height = 0;
SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
{
SDL_Surface *surface = NULL;
char *bmp_path = NULL;
char *png_path = NULL;
SDL_SetAppMetadata("Example Renderer Scaling Textures", "1.0", "com.example.renderer-scaling-textures");
@@ -32,25 +32,26 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
return SDL_APP_FAILURE;
}
if (!SDL_CreateWindowAndRenderer("examples/renderer/scaling-textures", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
if (!SDL_CreateWindowAndRenderer("examples/renderer/scaling-textures", WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_RESIZABLE, &window, &renderer)) {
SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_SetRenderLogicalPresentation(renderer, WINDOW_WIDTH, WINDOW_HEIGHT, SDL_LOGICAL_PRESENTATION_LETTERBOX);
/* Textures are pixel data that we upload to the video hardware for fast drawing. Lots of 2D
engines refer to these as "sprites." We'll do a static texture (upload once, draw many
times) with data from a bitmap file. */
/* SDL_Surface is pixel data the CPU can access. SDL_Texture is pixel data the GPU can access.
Load a .bmp into a surface, move it to a texture from there. */
SDL_asprintf(&bmp_path, "%ssample.bmp", SDL_GetBasePath()); /* allocate a string of the full file path */
surface = SDL_LoadBMP(bmp_path);
Load a .png into a surface, move it to a texture from there. */
SDL_asprintf(&png_path, "%ssample.png", SDL_GetBasePath()); /* allocate a string of the full file path */
surface = SDL_LoadPNG(png_path);
if (!surface) {
SDL_Log("Couldn't load bitmap: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_free(bmp_path); /* done with this, the file is loaded. */
SDL_free(png_path); /* done with this, the file is loaded. */
texture_width = surface->w;
texture_height = surface->h;
libs/SDL3/examples/renderer/10-geometry/README.txt
+1 -1
View File
@@ -1,3 +1,3 @@
This example creates an SDL window and renderer, loads a texture from a .bmp
This example creates an SDL window and renderer, loads a texture from a .png
file, and then draws geometry (arbitrary polygons) using it.
libs/SDL3/examples/renderer/10-geometry/geometry.c
+7 -6
View File
@@ -23,7 +23,7 @@ static int texture_height = 0;
SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
{
SDL_Surface *surface = NULL;
char *bmp_path = NULL;
char *png_path = NULL;
SDL_SetAppMetadata("Example Renderer Geometry", "1.0", "com.example.renderer-geometry");
@@ -32,25 +32,26 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
return SDL_APP_FAILURE;
}
if (!SDL_CreateWindowAndRenderer("examples/renderer/geometry", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
if (!SDL_CreateWindowAndRenderer("examples/renderer/geometry", WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_RESIZABLE, &window, &renderer)) {
SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_SetRenderLogicalPresentation(renderer, WINDOW_WIDTH, WINDOW_HEIGHT, SDL_LOGICAL_PRESENTATION_LETTERBOX);
/* Textures are pixel data that we upload to the video hardware for fast drawing. Lots of 2D
engines refer to these as "sprites." We'll do a static texture (upload once, draw many
times) with data from a bitmap file. */
/* SDL_Surface is pixel data the CPU can access. SDL_Texture is pixel data the GPU can access.
Load a .bmp into a surface, move it to a texture from there. */
SDL_asprintf(&bmp_path, "%ssample.bmp", SDL_GetBasePath()); /* allocate a string of the full file path */
surface = SDL_LoadBMP(bmp_path);
Load a .png into a surface, move it to a texture from there. */
SDL_asprintf(&png_path, "%ssample.png", SDL_GetBasePath()); /* allocate a string of the full file path */
surface = SDL_LoadPNG(png_path);
if (!surface) {
SDL_Log("Couldn't load bitmap: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_free(bmp_path); /* done with this, the file is loaded. */
SDL_free(png_path); /* done with this, the file is loaded. */
texture_width = surface->w;
texture_height = surface->h;
libs/SDL3/examples/renderer/11-color-mods/README.txt
+1 -1
View File
@@ -1,3 +1,3 @@
This example creates an SDL window and renderer, loads a texture from a
.bmp file, and then draws it a few times each frame, adjusting the colors.
.png file, and then draws it a few times each frame, adjusting the colors.
libs/SDL3/examples/renderer/11-color-mods/color-mods.c
+7 -6
View File
@@ -23,7 +23,7 @@ static int texture_height = 0;
SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
{
SDL_Surface *surface = NULL;
char *bmp_path = NULL;
char *png_path = NULL;
SDL_SetAppMetadata("Example Renderer Color Mods", "1.0", "com.example.renderer-color-mods");
@@ -32,25 +32,26 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
return SDL_APP_FAILURE;
}
if (!SDL_CreateWindowAndRenderer("examples/renderer/color-mods", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
if (!SDL_CreateWindowAndRenderer("examples/renderer/color-mods", WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_RESIZABLE, &window, &renderer)) {
SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_SetRenderLogicalPresentation(renderer, WINDOW_WIDTH, WINDOW_HEIGHT, SDL_LOGICAL_PRESENTATION_LETTERBOX);
/* Textures are pixel data that we upload to the video hardware for fast drawing. Lots of 2D
engines refer to these as "sprites." We'll do a static texture (upload once, draw many
times) with data from a bitmap file. */
/* SDL_Surface is pixel data the CPU can access. SDL_Texture is pixel data the GPU can access.
Load a .bmp into a surface, move it to a texture from there. */
SDL_asprintf(&bmp_path, "%ssample.bmp", SDL_GetBasePath()); /* allocate a string of the full file path */
surface = SDL_LoadBMP(bmp_path);
Load a .png into a surface, move it to a texture from there. */
SDL_asprintf(&png_path, "%ssample.png", SDL_GetBasePath()); /* allocate a string of the full file path */
surface = SDL_LoadPNG(png_path);
if (!surface) {
SDL_Log("Couldn't load bitmap: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_free(bmp_path); /* done with this, the file is loaded. */
SDL_free(png_path); /* done with this, the file is loaded. */
texture_width = surface->w;
texture_height = surface->h;
libs/SDL3/examples/renderer/14-viewport/README.txt
+1 -1
View File
@@ -1,4 +1,4 @@
This example creates an SDL window and renderer, loads a texture
from a .bmp file, and then draws it a few times each frame, adjusting
from a .png file, and then draws it a few times each frame, adjusting
the viewport before each draw.
libs/SDL3/examples/renderer/14-viewport/viewport.c
+7 -6
View File
@@ -23,7 +23,7 @@ static int texture_height = 0;
SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
{
SDL_Surface *surface = NULL;
char *bmp_path = NULL;
char *png_path = NULL;
SDL_SetAppMetadata("Example Renderer Viewport", "1.0", "com.example.renderer-viewport");
@@ -32,25 +32,26 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
return SDL_APP_FAILURE;
}
if (!SDL_CreateWindowAndRenderer("examples/renderer/viewport", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
if (!SDL_CreateWindowAndRenderer("examples/renderer/viewport", WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_RESIZABLE, &window, &renderer)) {
SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_SetRenderLogicalPresentation(renderer, WINDOW_WIDTH, WINDOW_HEIGHT, SDL_LOGICAL_PRESENTATION_LETTERBOX);
/* Textures are pixel data that we upload to the video hardware for fast drawing. Lots of 2D
engines refer to these as "sprites." We'll do a static texture (upload once, draw many
times) with data from a bitmap file. */
/* SDL_Surface is pixel data the CPU can access. SDL_Texture is pixel data the GPU can access.
Load a .bmp into a surface, move it to a texture from there. */
SDL_asprintf(&bmp_path, "%ssample.bmp", SDL_GetBasePath()); /* allocate a string of the full file path */
surface = SDL_LoadBMP(bmp_path);
Load a .png into a surface, move it to a texture from there. */
SDL_asprintf(&png_path, "%ssample.png", SDL_GetBasePath()); /* allocate a string of the full file path */
surface = SDL_LoadPNG(png_path);
if (!surface) {
SDL_Log("Couldn't load bitmap: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_free(bmp_path); /* done with this, the file is loaded. */
SDL_free(png_path); /* done with this, the file is loaded. */
texture_width = surface->w;
texture_height = surface->h;
libs/SDL3/examples/renderer/15-cliprect/README.txt
+1 -1
View File
@@ -1,5 +1,5 @@
This example creates an SDL window and renderer, loads a texture
from a .bmp file, and stretches it across the window. Each frame, we move
from a .png file, and stretches it across the window. Each frame, we move
the clipping rectangle around, so only a small square of the texture is
actually drawn.
libs/SDL3/examples/renderer/15-cliprect/cliprect.c
+15 -14
View File
@@ -30,7 +30,7 @@ static Uint64 last_time = 0;
SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
{
SDL_Surface *surface = NULL;
char *bmp_path = NULL;
char *png_path = NULL;
SDL_SetAppMetadata("Example Renderer Clipping Rectangle", "1.0", "com.example.renderer-cliprect");
@@ -39,10 +39,11 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
return SDL_APP_FAILURE;
}
if (!SDL_CreateWindowAndRenderer("examples/renderer/cliprect", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
if (!SDL_CreateWindowAndRenderer("examples/renderer/cliprect", WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_RESIZABLE, &window, &renderer)) {
SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_SetRenderLogicalPresentation(renderer, WINDOW_WIDTH, WINDOW_HEIGHT, SDL_LOGICAL_PRESENTATION_LETTERBOX);
cliprect_direction.x = cliprect_direction.y = 1.0f;
@@ -53,15 +54,15 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
times) with data from a bitmap file. */
/* SDL_Surface is pixel data the CPU can access. SDL_Texture is pixel data the GPU can access.
Load a .bmp into a surface, move it to a texture from there. */
SDL_asprintf(&bmp_path, "%ssample.bmp", SDL_GetBasePath()); /* allocate a string of the full file path */
surface = SDL_LoadBMP(bmp_path);
Load a .png into a surface, move it to a texture from there. */
SDL_asprintf(&png_path, "%ssample.png", SDL_GetBasePath()); /* allocate a string of the full file path */
surface = SDL_LoadPNG(png_path);
if (!surface) {
SDL_Log("Couldn't load bitmap: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_free(bmp_path); /* done with this, the file is loaded. */
SDL_free(png_path); /* done with this, the file is loaded. */
texture = SDL_CreateTextureFromSurface(renderer, surface);
if (!texture) {
@@ -93,20 +94,20 @@ SDL_AppResult SDL_AppIterate(void *appstate)
/* Set a new clipping rectangle position */
cliprect_position.x += distance * cliprect_direction.x;
if (cliprect_position.x < 0.0f) {
cliprect_position.x = 0.0f;
if (cliprect_position.x < -CLIPRECT_SIZE) {
cliprect_position.x = -CLIPRECT_SIZE;
cliprect_direction.x = 1.0f;
} else if (cliprect_position.x >= (WINDOW_WIDTH - CLIPRECT_SIZE)) {
cliprect_position.x = (WINDOW_WIDTH - CLIPRECT_SIZE) - 1;
} else if (cliprect_position.x >= WINDOW_WIDTH) {
cliprect_position.x = WINDOW_WIDTH - 1;
cliprect_direction.x = -1.0f;
}
cliprect_position.y += distance * cliprect_direction.y;
if (cliprect_position.y < 0.0f) {
cliprect_position.y = 0.0f;
if (cliprect_position.y < -CLIPRECT_SIZE) {
cliprect_position.y = -CLIPRECT_SIZE;
cliprect_direction.y = 1.0f;
} else if (cliprect_position.y >= (WINDOW_HEIGHT - CLIPRECT_SIZE)) {
cliprect_position.y = (WINDOW_HEIGHT - CLIPRECT_SIZE) - 1;
} else if (cliprect_position.y >= WINDOW_HEIGHT) {
cliprect_position.y = WINDOW_HEIGHT - 1;
cliprect_direction.y = -1.0f;
}
SDL_SetRenderClipRect(renderer, &cliprect);
libs/SDL3/examples/renderer/17-read-pixels/read-pixels.c
+7 -6
View File
@@ -32,7 +32,7 @@ static int converted_texture_height = 0;
SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
{
SDL_Surface *surface = NULL;
char *bmp_path = NULL;
char *png_path = NULL;
SDL_SetAppMetadata("Example Renderer Read Pixels", "1.0", "com.example.renderer-read-pixels");
@@ -41,25 +41,26 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
return SDL_APP_FAILURE;
}
if (!SDL_CreateWindowAndRenderer("examples/renderer/read-pixels", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
if (!SDL_CreateWindowAndRenderer("examples/renderer/read-pixels", WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_RESIZABLE, &window, &renderer)) {
SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_SetRenderLogicalPresentation(renderer, WINDOW_WIDTH, WINDOW_HEIGHT, SDL_LOGICAL_PRESENTATION_LETTERBOX);
/* Textures are pixel data that we upload to the video hardware for fast drawing. Lots of 2D
engines refer to these as "sprites." We'll do a static texture (upload once, draw many
times) with data from a bitmap file. */
/* SDL_Surface is pixel data the CPU can access. SDL_Texture is pixel data the GPU can access.
Load a .bmp into a surface, move it to a texture from there. */
SDL_asprintf(&bmp_path, "%ssample.bmp", SDL_GetBasePath()); /* allocate a string of the full file path */
surface = SDL_LoadBMP(bmp_path);
Load a .png into a surface, move it to a texture from there. */
SDL_asprintf(&png_path, "%ssample.png", SDL_GetBasePath()); /* allocate a string of the full file path */
surface = SDL_LoadPNG(png_path);
if (!surface) {
SDL_Log("Couldn't load bitmap: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_free(bmp_path); /* done with this, the file is loaded. */
SDL_free(png_path); /* done with this, the file is loaded. */
texture_width = surface->w;
texture_height = surface->h;
libs/SDL3/examples/renderer/18-debug-text/debug-text.c
+2 -1
View File
@@ -26,10 +26,11 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
return SDL_APP_FAILURE;
}
if (!SDL_CreateWindowAndRenderer("examples/renderer/debug-text", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
if (!SDL_CreateWindowAndRenderer("examples/renderer/debug-text", WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_RESIZABLE, &window, &renderer)) {
SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_SetRenderLogicalPresentation(renderer, WINDOW_WIDTH, WINDOW_HEIGHT, SDL_LOGICAL_PRESENTATION_LETTERBOX);
return SDL_APP_CONTINUE; /* carry on with the program! */
}
libs/SDL3/examples/renderer/19-affine-textures/README.txt
+3
View File
@@ -0,0 +1,3 @@
This example creates an SDL window and renderer, and uses
SDL_RenderTextureAffine to draw a 3D cube using only 2D rendering operations.
libs/SDL3/examples/renderer/19-affine-textures/affine-textures.c
+146
View File
@@ -0,0 +1,146 @@
/* affine-textures.c ... */
/*
* This example creates an SDL window and renderer, and then draws a cube
* using affine-transformed textures every frame.
*
* This code is public domain. Feel free to use it for any purpose!
*/
#define SDL_MAIN_USE_CALLBACKS 1 /* use the callbacks instead of main() */
#include <SDL3/SDL.h>
#include <SDL3/SDL_main.h>
/* We will use this renderer to draw into this window every frame. */
static SDL_Window *window = NULL;
static SDL_Renderer *renderer = NULL;
static SDL_Texture *texture = NULL;
static int texture_width = 0;
static int texture_height = 0;
#define WINDOW_WIDTH 640
#define WINDOW_HEIGHT 480
/* This function runs once at startup. */
SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
{
SDL_Surface *surface = NULL;
char *png_path = NULL;
SDL_SetAppMetadata("Example Renderer Affine Textures", "1.0", "com.example.renderer-affine-textures");
if (!SDL_Init(SDL_INIT_VIDEO)) {
SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
if (!SDL_CreateWindowAndRenderer("examples/renderer/affine-textures", WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_RESIZABLE, &window, &renderer)) {
SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_SetRenderLogicalPresentation(renderer, WINDOW_WIDTH, WINDOW_HEIGHT, SDL_LOGICAL_PRESENTATION_LETTERBOX);
/* Textures are pixel data that we upload to the video hardware for fast drawing. Lots of 2D
engines refer to these as "sprites." We'll do a static texture (upload once, draw many
times) with data from a bitmap file. */
/* SDL_Surface is pixel data the CPU can access. SDL_Texture is pixel data the GPU can access.
Load a .png into a surface, move it to a texture from there. */
SDL_asprintf(&png_path, "%ssample.png", SDL_GetBasePath()); /* allocate a string of the full file path */
surface = SDL_LoadPNG(png_path);
if (!surface) {
SDL_Log("Couldn't load bitmap: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_free(png_path); /* done with this, the file is loaded. */
texture_width = surface->w;
texture_height = surface->h;
texture = SDL_CreateTextureFromSurface(renderer, surface);
if (!texture) {
SDL_Log("Couldn't create static texture: %s", SDL_GetError());
return SDL_APP_FAILURE;
}
SDL_DestroySurface(surface); /* done with this, the texture has a copy of the pixels now. */
return SDL_APP_CONTINUE; /* carry on with the program! */
}
/* This function runs when a new event (mouse input, keypresses, etc) occurs. */
SDL_AppResult SDL_AppEvent(void *appstate, SDL_Event *event)
{
if (event->type == SDL_EVENT_QUIT) {
return SDL_APP_SUCCESS; /* end the program, reporting success to the OS. */
}
return SDL_APP_CONTINUE; /* carry on with the program! */
}
/* This function runs once per frame, and is the heart of the program. */
SDL_AppResult SDL_AppIterate(void *appstate)
{
const float x0 = 0.5f * WINDOW_WIDTH;
const float y0 = 0.5f * WINDOW_HEIGHT;
const float px = SDL_min(WINDOW_WIDTH, WINDOW_HEIGHT) / SDL_sqrtf(3.0f);
const Uint64 now = SDL_GetTicks();
const float rad = (((float) ((int) (now % 2000))) / 2000.0f) * SDL_PI_F * 2;
const float cos = SDL_cosf(rad);
const float sin = SDL_sinf(rad);
const float k[3] = { 3.0f / SDL_sqrtf(50.0f), 4.0f / SDL_sqrtf(50.0f), 5.0f / SDL_sqrtf(50.0f)};
float mat[9] = {
cos + (1.0f-cos)*k[0]*k[0], -sin*k[2] + (1.0f-cos)*k[0]*k[1], sin*k[1] + (1.0f-cos)*k[0]*k[2],
sin*k[2] + (1.0f-cos)*k[0]*k[1], cos + (1.0f-cos)*k[1]*k[1], -sin*k[0] + (1.0f-cos)*k[1]*k[2],
-sin*k[1] + (1.0f-cos)*k[0]*k[2], sin*k[0] + (1.0f-cos)*k[1]*k[2], cos + (1.0f-cos)*k[2]*k[2],
};
float corners[16];
int i;
for (i = 0; i < 8; i++) {
const float x = (i & 1) ? -0.5f : 0.5f;
const float y = (i & 2) ? -0.5f : 0.5f;
const float z = (i & 4) ? -0.5f : 0.5f;
corners[0 + 2*i] = mat[0]*x + mat[1]*y + mat[2]*z;
corners[1 + 2*i] = mat[3]*x + mat[4]*y + mat[5]*z;
}
SDL_SetRenderDrawColor(renderer, 0x42, 0x87, 0xf5, SDL_ALPHA_OPAQUE); // light blue background.
SDL_RenderClear(renderer);
for (i = 1; i < 7; i++) {
const int dir = 3 & ((i & 4) ? ~i : i);
const int odd = (i & 1) ^ ((i & 2) >> 1) ^ ((i & 4) >> 2);
if (0 < (odd ? 1.0f : -1.0f) * mat[5 + dir]) continue;
int origin_index = (1 << ((dir - 1) % 3));
int right_index = (1 << ((dir + odd) % 3)) | origin_index;
int down_index = (1 << ((dir + (odd^1)) % 3)) | origin_index;
if (!odd) {
origin_index ^= 7;
right_index ^= 7;
down_index ^= 7;
}
SDL_FPoint origin, right, down;
origin.x = x0 + px*corners[0 + 2*origin_index];
origin.y = y0 + px*corners[1 + 2*origin_index];
right.x = x0 + px*corners[0 + 2*right_index];
right.y = y0 + px*corners[1 + 2*right_index];
down.x = x0 + px*corners[0 + 2*down_index];
down.y = y0 + px*corners[1 + 2*down_index];
SDL_RenderTextureAffine(renderer, texture, NULL, &origin, &right, &down);
}
SDL_RenderPresent(renderer);
return SDL_APP_CONTINUE;
}
/* This function runs once at shutdown. */
void SDL_AppQuit(void *appstate, SDL_AppResult result)
{
SDL_DestroyTexture(texture);
/* SDL will clean up the window/renderer for us. */
}
libs/SDL3/examples/renderer/19-affine-textures/onmouseover.webp
BIN
View File
Binary file not shown.
Side by Side

After

Width:  |  Height:  |  Size: 206 KiB

libs/SDL3/examples/renderer/19-affine-textures/thumbnail.png
BIN
View File
Binary file not shown.
Side by Side

After

Width:  |  Height:  |  Size: 229 KiB