Added proper gfx examples.

graphics/printing/hello-world/Makefile

@@ -0,0 +1,143 @@
+#---------------------------------------------------------------------------------
+.SUFFIXES:
+#---------------------------------------------------------------------------------
+
+ifeq ($(strip $(DEVKITA64)),)
+$(error "Please set DEVKITA64 in your environment. export DEVKITA64=<path to>DEVKITA64")
+endif
+
+TOPDIR ?= $(CURDIR)
+include $(DEVKITA64)/switch_rules
+
+#---------------------------------------------------------------------------------
+# TARGET is the name of the output
+# BUILD is the directory where object files & intermediate files will be placed
+# SOURCES is a list of directories containing source code
+# DATA is a list of directories containing data files
+# INCLUDES is a list of directories containing header files
+# EXEFS_SRC is the input directory containing data copied into exefs, normally should only contain "main.npdm".
+#---------------------------------------------------------------------------------
+TARGET		:=	$(notdir $(CURDIR))
+BUILD		:=	build
+SOURCES		:=	source
+DATA		:=	data
+INCLUDES	:=	include
+EXEFS_SRC	:=	exefs_src
+
+#---------------------------------------------------------------------------------
+# options for code generation
+#---------------------------------------------------------------------------------
+ARCH	:=	-march=armv8-a -mtp=soft -fPIE
+
+CFLAGS	:=	-g -Wall -O2 \
+			-ffast-math \
+			$(ARCH) $(DEFINES)
+
+CFLAGS	+=	$(INCLUDE) -DSWITCH
+
+CXXFLAGS	:= $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11
+
+ASFLAGS	:=	-g $(ARCH)
+LDFLAGS	=	-specs=switch.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
+
+LIBS	:= -lnx
+
+#---------------------------------------------------------------------------------
+# list of directories containing libraries, this must be the top level containing
+# include and lib
+#---------------------------------------------------------------------------------
+LIBDIRS	:= $(PORTLIBS) $(LIBNX)
+
+
+#---------------------------------------------------------------------------------
+# no real need to edit anything past this point unless you need to add additional
+# rules for different file extensions
+#---------------------------------------------------------------------------------
+ifneq ($(BUILD),$(notdir $(CURDIR)))
+#---------------------------------------------------------------------------------
+
+export OUTPUT	:=	$(CURDIR)/$(TARGET)
+export TOPDIR	:=	$(CURDIR)
+
+export VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
+			$(foreach dir,$(DATA),$(CURDIR)/$(dir))
+
+export DEPSDIR	:=	$(CURDIR)/$(BUILD)
+
+CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
+CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
+SFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
+BINFILES	:=	$(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
+
+#---------------------------------------------------------------------------------
+# use CXX for linking C++ projects, CC for standard C
+#---------------------------------------------------------------------------------
+ifeq ($(strip $(CPPFILES)),)
+#---------------------------------------------------------------------------------
+	export LD	:=	$(CC)
+#---------------------------------------------------------------------------------
+else
+#---------------------------------------------------------------------------------
+	export LD	:=	$(CXX)
+#---------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------
+
+export OFILES	:=	$(addsuffix .o,$(BINFILES)) \
+			$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
+
+export INCLUDE	:=	$(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
+			$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
+			-I$(CURDIR)/$(BUILD)
+
+export LIBPATHS	:=	$(foreach dir,$(LIBDIRS),-L$(dir)/lib)
+
+export BUILD_EXEFS_SRC := $(TOPDIR)/$(EXEFS_SRC)
+
+.PHONY: $(BUILD) clean all
+
+#---------------------------------------------------------------------------------
+all: $(BUILD)
+
+$(BUILD):
+	@[ -d $@ ] || mkdir -p $@
+	@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
+
+#---------------------------------------------------------------------------------
+clean:
+	@echo clean ...
+	@rm -fr $(BUILD) $(TARGET).pfs0 $(TARGET).nso $(TARGET).nro $(TARGET).elf
+
+
+#---------------------------------------------------------------------------------
+else
+.PHONY:	all
+
+DEPENDS	:=	$(OFILES:.o=.d)
+
+#---------------------------------------------------------------------------------
+# main targets
+#---------------------------------------------------------------------------------
+all	:	$(OUTPUT).pfs0 $(OUTPUT).nro
+
+$(OUTPUT).pfs0	:	$(OUTPUT).nso
+
+$(OUTPUT).nso	:	$(OUTPUT).elf
+
+$(OUTPUT).nro	:	$(OUTPUT).elf
+
+$(OUTPUT).elf	:	$(OFILES)
+
+#---------------------------------------------------------------------------------
+# you need a rule like this for each extension you use as binary data
+#---------------------------------------------------------------------------------
+%.bin.o	:	%.bin
+#---------------------------------------------------------------------------------
+	@echo $(notdir $<)
+	@$(bin2o)
+
+-include $(DEPENDS)
+
+#---------------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------------

graphics/printing/hello-world/source/main.c

@@ -0,0 +1,36 @@
+#include <string.h>
+#include <stdio.h>
+
+#include <switch.h>
+
+int main(int argc, char **argv)
+{
+	gfxInitDefault();
+
+	//Initialize console. Using NULL as the second argument tells the console library to use the internal console structure as current one.
+	consoleInit(NULL);
+
+	//Move the cursor to row 16 and column 20 and then prints "Hello World!"
+	//To move the cursor you have to print "\x1b[r;cH", where r and c are respectively
+	//the row and column where you want your cursor to move
+	printf("\x1b[16;20HHello World!");
+
+	//"Safe default, single Joy-Con have buttons/sticks rotated for orientation"
+	hidSetControllerLayout(CONTROLLER_PLAYER_1, LAYOUT_DEFAULT);
+
+	while(appletMainLoop())
+	{
+		//Scan all the inputs. This should be done once for each frame
+		hidScanInput();
+
+		if ((hidKeysDown(CONTROLLER_PLAYER_1) | hidKeysDown(CONTROLLER_HANDHELD)) & KEY_PLUS) break;
+
+		gfxFlushBuffers();
+		gfxSwapBuffers();
+		gfxWaitForVsync();
+	}
+
+	gfxExit();
+	return 0;
+}
+

graphics/simplegfx/source/main.c

@@ -1,21 +1,71 @@
 #include <string.h>
 #include <stdio.h>
-
 #include <switch.h>
 
+#include "image_bin.h"//Your own raw RGB888 1280x720 image at "data/image.bin" is required.
+
+//See also libnx gfx.h + gfx.c source for gfxWaitForVsync().
+
 int main(int argc, char **argv)
 {
-	u32 cnt=60*5;
+	u8 *framebuf;
+	u32 *framebuf32;
+	u32 width=0, height=0;
+        u32 image_width = 1280, image_height = 720;
+	u32 tmp_width, tmp_height;
+	u32 x, y;
+	u32 pos;
+	u32 pos2;
+	u8 *imageptr = (u8*)image_bin;
+	u32 cnt=0;
 
+	//gfxInitResolutionDefault();//Enable max-1080p support. Remove for 720p-only resolution.
 	gfxInitDefault();
+	//gfxConfigureAutoResolutionDefault(true);//Set current resolution automatically depending on current/changed OperationMode. Only use this when using gfxInitResolution*().
+	//Note that while the above commented code enables 1080p for docked-mode, this example only draws a 720p image, with the rest of the screen being left at white.
 
-	while(cnt)//Unknown how to properly handle exiting this loop.
+	//"Safe default, single Joy-Con have buttons/sticks rotated for orientation"
+	hidSetControllerLayout(CONTROLLER_PLAYER_1, LAYOUT_DEFAULT);
+
+	while(appletMainLoop())
 	{
-		//Currently unknown how to write to {framebuffer}.
+		//Scan all the inputs. This should be done once for each frame
+		hidScanInput();
 
+		if ((hidKeysDown(CONTROLLER_PLAYER_1) | hidKeysDown(CONTROLLER_HANDHELD)) & KEY_PLUS) break;
+
+		framebuf = gfxGetFramebuffer((u32*)&width, (u32*)&height);
+		framebuf32 = (u32*)framebuf;
+
+		if(cnt==60)
+		{
+			cnt=0;
+		}
+		else
+		{
+			cnt++;
+		}
+
+		tmp_width = image_width;
+		tmp_height = image_height;
+		if(tmp_width > width) tmp_width = width;
+		if(tmp_height > height) tmp_height = height;
+
+		memset(framebuf, 0xff, gfxGetFramebufferSize());
+		for(x=0; x<image_width; x++)
+		{
+			for(y=0; y<image_height; y++)
+			{
+				//Each pixel is 4-bytes due to RGBA8888.
+				pos = gfxGetFramebufferDisplayOffset(x, y);
+				pos2 = (x + (y*image_width)) * 3;
+				framebuf32[pos] = RGBA8_MAXALPHA(imageptr[pos2+0]+(cnt*4), imageptr[pos2+1], imageptr[pos2+2]);
+			}
+		}
+
+		gfxFlushBuffers();
 		gfxSwapBuffers();
 		gfxWaitForVsync();
-		cnt--;
 	}
 
 	gfxExit();