From 302ab0917872978bf786fd5966133a598273ee07 Mon Sep 17 00:00:00 2001
From: Cameron Cawley <[EMAIL REDACTED]>
Date: Wed, 1 May 2024 22:12:08 +0100
Subject: [PATCH] testdrawchessboard: Allow using the standard render API
(cherry picked from commit e2f27362cb6437b9d1d1811223498970f83d1034)
---
test/testdrawchessboard.c | 29 ++++++++++++++++++++++-------
1 file changed, 22 insertions(+), 7 deletions(-)
diff --git a/test/testdrawchessboard.c b/test/testdrawchessboard.c
index 6f0362fdb5ba6..f4a7db514a473 100644
--- a/test/testdrawchessboard.c
+++ b/test/testdrawchessboard.c
@@ -12,7 +12,10 @@
This file is created by : Nitin Jain (nitin.j4@samsung.com)
*/
-/* Sample program: Draw a Chess Board by using SDL_CreateSoftwareRenderer API */
+/* Sample program: Draw a Chess Board by using the SDL render API */
+
+/* This allows testing SDL_CreateSoftwareRenderer with the window surface API. Undefine it to use the accelerated renderer instead. */
+#define USE_SOFTWARE_RENDERER
#include <stdlib.h>
#include <stdio.h>
@@ -25,9 +28,12 @@
SDL_Window *window;
SDL_Renderer *renderer;
-SDL_Surface *surface;
int done;
+#ifdef USE_SOFTWARE_RENDERER
+SDL_Surface *surface;
+#endif
+
void DrawChessBoard(void)
{
int row = 0, column = 0, x = 0;
@@ -50,7 +56,6 @@ void DrawChessBoard(void)
SDL_RenderFillRect(renderer, &rect);
}
}
- SDL_RenderPresent(renderer);
}
void loop(void)
@@ -58,6 +63,7 @@ void loop(void)
SDL_Event e;
while (SDL_PollEvent(&e)) {
+#ifdef USE_SOFTWARE_RENDERER
/* Re-create when window has been resized */
if ((e.type == SDL_WINDOWEVENT) && (e.window.event == SDL_WINDOWEVENT_SIZE_CHANGED)) {
@@ -69,6 +75,7 @@ void loop(void)
SDL_SetRenderDrawColor(renderer, 0xFF, 0xFF, 0xFF, 0xFF);
SDL_RenderClear(renderer);
}
+#endif
if (e.type == SDL_QUIT) {
done = 1;
@@ -87,11 +94,19 @@ void loop(void)
}
}
+ /* Clear the rendering surface with the specified color */
+ SDL_SetRenderDrawColor(renderer, 0xFF, 0xFF, 0xFF, 0xFF);
+ SDL_RenderClear(renderer);
+
DrawChessBoard();
+ SDL_RenderPresent(renderer);
+
+#ifdef USE_SOFTWARE_RENDERER
/* Got everything on rendering surface,
now Update the drawing image on window screen */
SDL_UpdateWindowSurface(window);
+#endif
}
int main(int argc, char *argv[])
@@ -111,17 +126,17 @@ int main(int argc, char *argv[])
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Window creation fail : %s\n", SDL_GetError());
return 1;
}
+#ifdef USE_SOFTWARE_RENDERER
surface = SDL_GetWindowSurface(window);
renderer = SDL_CreateSoftwareRenderer(surface);
+#else
+ renderer = SDL_CreateRenderer(window, -1, 0);
+#endif
if (!renderer) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Render creation for surface fail : %s\n", SDL_GetError());
return 1;
}
- /* Clear the rendering surface with the specified color */
- SDL_SetRenderDrawColor(renderer, 0xFF, 0xFF, 0xFF, 0xFF);
- SDL_RenderClear(renderer);
-
/* Draw the Image on rendering surface */
done = 0;
#ifdef __EMSCRIPTEN__