1 files changed, 82 insertions, 0 deletions
diff --git a/src/graphic.c b/src/graphic.c
new file mode 100644
index 0000000..dbdb55c
--- /dev/null
+++ b/src/graphic.c
@@ -0,0 +1,82 @@
+#include "graphic.h"
+#include "utils.h"
+
+void my_SDL_init_or_die(char title[], SDL_Rect win_pos, Uint32 init_flags, Uint32 win_flags, Uint32 rend_flags, SDL_Window **win, SDL_Renderer **rend, SDL_RendererInfo *rend_info, SDL_Rect *viewport)
+{
+	int res, i;
+	Uint32 tf;
+
+	res=SDL_Init(init_flags);
+	MPL_CHECK(
+			res==0,	// Expression to evaluate
+			{exit(1);} , // Code to execute if expression is not true
+			SDL_LOG_PRIORITY_CRITICAL, // SDL_LogPriority (_CRITICAL, _ERROR, _WARN, _INFO, DEBUG, _VERBOSE)
+			"SDL_Init failed (%i)",res // var args list starting with a fmt string like in printf()
+		 );
+
+
+	*win=SDL_CreateWindow(title,win_pos.x,win_pos.y,win_pos.w,win_pos.h,win_flags);
+	MPL_CHECK(
+			*win, // Just put the pointer if you want to check if it's not NULL
+			{SDL_Quit(); exit(2);},
+			SDL_LOG_PRIORITY_CRITICAL,
+			"SDL_CreateWindow failed"
+		 );
+
+
+	SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION,SDL_LOG_PRIORITY_INFO,
+			"SDL_GetWindowPixelFormat() returns %i", SDL_GetWindowPixelFormat(*win)
+		      );
+
+	*rend=SDL_CreateRenderer(*win,-1, rend_flags);
+	MPL_CHECK(
+			*rend,
+			{SDL_DestroyWindow(*win);SDL_Quit(); exit(3);},
+			SDL_LOG_PRIORITY_CRITICAL,
+			"SDL_CreateRenderer(...,SDL_RENDERER_ACCELERATED) failed"
+		 );
+
+	res=SDL_GetRendererInfo(*rend, rend_info);
+	MPL_CHECK(
+			 res==0,
+			 {SDL_DestroyRenderer(*rend);SDL_DestroyWindow(*win);SDL_Quit(); exit(4);},
+			 SDL_LOG_PRIORITY_CRITICAL,
+			 "res=SDL_GetRendererInfo() failed"
+		 );
+
+	tf=1;
+	for(i=0;i<16 && tf!=0;i++) {
+		tf=rend_info->texture_formats[i];
+
+		SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION,SDL_LOG_PRIORITY_INFO,
+				"rend_info->texture_formats[%i] == %i", i, tf
+			      );
+	}
+
+	SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION,SDL_LOG_PRIORITY_INFO,
+			"rend_info->flags==%i", rend_info->flags );
+
+	if ( (rend_info->flags & SDL_RENDERER_SOFTWARE) == SDL_RENDERER_SOFTWARE) {
+		SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION,SDL_LOG_PRIORITY_INFO,
+				"rend_info->flags contains SDL_RENDERER_SOFTWARE");
+	}
+
+	if ( (rend_info->flags & SDL_RENDERER_ACCELERATED) == SDL_RENDERER_ACCELERATED) {
+		SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION,SDL_LOG_PRIORITY_INFO,
+				"rend_info->flags contains SDL_RENDERER_ACCELERATED");
+	}
+
+	if ( (rend_info->flags & SDL_RENDERER_PRESENTVSYNC) == SDL_RENDERER_PRESENTVSYNC) {
+		SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION,SDL_LOG_PRIORITY_INFO,
+				"rend_info->flags contains SDL_RENDERER_PRESENTVSYNC");
+	}
+
+	if ( (rend_info->flags & SDL_RENDERER_TARGETTEXTURE) == SDL_RENDERER_TARGETTEXTURE) {
+		SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION,SDL_LOG_PRIORITY_INFO,
+				"rend_info->flags contains SDL_RENDERER_TARGETTEXTURE");
+	}
+
+	// Remarks : When the window is resized, the current viewport is automatically centered within the new window size.
+	SDL_RenderGetViewport(*rend, viewport);
+}
+