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Merge pull request #7 from rickgaiser/nehe
Add NeHe lesson 2/3/4/5 examples
2 parents 4fa4c6d + 302c4be commit 3862647

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‎examples/nehe/lesson02/Makefile‎

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EE_BIN = lesson02.elf
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EE_CFLAGS := -I$(PS2SDK)/ports/include $(EE_CFLAGS)
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EE_CXXFLAGS := -I$(PS2SDK)/ports/include $(EE_CXXFLAGS)
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EE_OBJS = lesson2.o
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EE_LDFLAGS += -L$(PS2SDK)/ports/lib
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EE_LIBS = -lps2glut -lps2gl -lps2stuff -lpad -ldma
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ifeq ($(DEBUG), 1)
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EE_CFLAGS += -D_DEBUG -g -O0
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EE_CXXFLAGS += -D_DEBUG -g -O0
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endif
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# Disabling warnings
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WARNING_FLAGS = -Wno-strict-aliasing -Wno-conversion-null
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# VU0 code is broken so disable for now
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EE_CFLAGS += $(WARNING_FLAGS) -DNO_VU0_VECTORS
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EE_CXXFLAGS += $(WARNING_FLAGS) -DNO_VU0_VECTORS
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all: $(EE_BIN)
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$(EE_STRIP) --strip-all $(EE_BIN)
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testpc:
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g++ lesson2.cpp -lglut -lGL -o lesson02
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./lesson02
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clean:
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rm -f $(EE_BIN) $(EE_OBJS)
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run: $(EE_BIN)
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ps2client -h 192.168.1.10 execee host:$(EE_BIN)
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reset:
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ps2client -h 192.168.1.10 reset
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sim: $(EE_BIN)
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PCSX2 --elf=$(PWD)/$(EE_BIN)
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include $(PS2SDK)/samples/Makefile.pref
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include $(PS2SDK)/samples/Makefile.eeglobal_cpp

‎examples/nehe/lesson02/lesson2.cpp‎

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#include <GL/gl.h> // The GL Header File
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#include <GL/glut.h> // The GL Utility Toolkit (Glut) Header
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#include <math.h>
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//-----------------------------------------------------------------------------
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void gluPerspective(GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar)
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{
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GLdouble xmin, xmax, ymin, ymax;
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ymax = zNear * tan(fovy * M_PI / 360.0f);
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ymin = -ymax;
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xmin = ymin * aspect;
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xmax = ymax * aspect;
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glFrustum(xmin, xmax, ymin, ymax, zNear, zFar);
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}
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void init(GLvoid) // Create Some Everyday Functions
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{
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glShadeModel(GL_SMOOTH); // Enable Smooth Shading
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glClearColor(0.0f, 0.0f, 0.0f, 0.5f); // Black Background
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glClearDepth(1.0f); // Depth Buffer Setup
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glEnable(GL_DEPTH_TEST); // Enables Depth Testing
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glDepthFunc(GL_LEQUAL); // The Type Of Depth Testing To Do
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//glEnable(GL_COLOR_MATERIAL);
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glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
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}
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void display(void) // Create The Display Function
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{
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear Screen And Depth Buffer
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glLoadIdentity(); // Reset The Current Modelview Matrix
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glTranslatef(-1.5f, 0.0f, -6.0f); // Move Left 1.5 Units And Into The Screen 6.0
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glBegin(GL_TRIANGLES); // Drawing Using Triangles
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glVertex3f(0.0f, 1.0f, 0.0f); // Top
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glVertex3f(-1.0f, -1.0f, 0.0f); // Bottom Left
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glVertex3f(1.0f, -1.0f, 0.0f); // Bottom Right
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glEnd(); // Finished Drawing The Triangle
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glTranslatef(3.0f, 0.0f, 0.0f); // Move Right 3 Units
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glBegin(GL_QUADS); // Draw A Quad
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glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left
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glVertex3f(1.0f, 1.0f, 0.0f); // Top Right
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glVertex3f(1.0f, -1.0f, 0.0f); // Bottom Right
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glVertex3f(-1.0f, -1.0f, 0.0f); // Bottom Left
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glEnd();
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glutSwapBuffers();
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// Swap The Buffers To Not Be Left With A Clear Screen
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}
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void reshape(int w, int h) // Create The Reshape Function (the viewport)
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{
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glViewport(0, 0, w, h);
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glMatrixMode(GL_PROJECTION); // Select The Projection Matrix
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glLoadIdentity(); // Reset The Projection Matrix
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if (h == 0) // Calculate The Aspect Ratio Of The Window
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gluPerspective(80, (float)w, 1.0, 5000.0);
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else
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gluPerspective(80, (float)w / (float)h, 1.0, 5000.0);
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glMatrixMode(GL_MODELVIEW); // Select The Model View Matrix
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glLoadIdentity(); // Reset The Model View Matrix
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}
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int main(int argc, char **argv) // Create Main Function For Bringing It All Together
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{
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glutInit(&argc, argv); // Erm Just Write It =)
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init();
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glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE); // Display Mode
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glutInitWindowSize(640, 448); // If glutFullScreen wasn't called this is the window size
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glutCreateWindow("NeHe's OpenGL Framework"); // Window Title (argv[0] for current directory as title)
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glutDisplayFunc(display); // Matching Earlier Functions To Their Counterparts
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glutReshapeFunc(reshape);
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glutMainLoop(); // Initialize The Main Loop
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return 0;
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}

‎examples/nehe/lesson03/Makefile‎

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EE_BIN = lesson03.elf
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EE_CFLAGS := -I$(PS2SDK)/ports/include $(EE_CFLAGS)
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EE_CXXFLAGS := -I$(PS2SDK)/ports/include $(EE_CXXFLAGS)
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EE_OBJS = lesson3.o
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EE_LDFLAGS += -L$(PS2SDK)/ports/lib
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EE_LIBS = -lps2glut -lps2gl -lps2stuff -lpad -ldma
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ifeq ($(DEBUG), 1)
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EE_CFLAGS += -D_DEBUG -g -O0
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EE_CXXFLAGS += -D_DEBUG -g -O0
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endif
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# Disabling warnings
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WARNING_FLAGS = -Wno-strict-aliasing -Wno-conversion-null
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# VU0 code is broken so disable for now
17+
EE_CFLAGS += $(WARNING_FLAGS) -DNO_VU0_VECTORS
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EE_CXXFLAGS += $(WARNING_FLAGS) -DNO_VU0_VECTORS
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all: $(EE_BIN)
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$(EE_STRIP) --strip-all $(EE_BIN)
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testpc:
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g++ lesson3.cpp -lglut -lGL -o lesson03
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./lesson03
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clean:
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rm -f $(EE_BIN) $(EE_OBJS)
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run: $(EE_BIN)
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ps2client -h 192.168.1.10 execee host:$(EE_BIN)
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reset:
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ps2client -h 192.168.1.10 reset
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sim: $(EE_BIN)
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PCSX2 --elf=$(PWD)/$(EE_BIN)
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include $(PS2SDK)/samples/Makefile.pref
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include $(PS2SDK)/samples/Makefile.eeglobal_cpp

‎examples/nehe/lesson03/lesson3.cpp‎

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#include <GL/gl.h> // The GL Header File
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#include <GL/glut.h> // The GL Utility Toolkit (Glut) Header
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#include <math.h>
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5+
//-----------------------------------------------------------------------------
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void gluPerspective(GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar)
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{
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GLdouble xmin, xmax, ymin, ymax;
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ymax = zNear * tan(fovy * M_PI / 360.0f);
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ymin = -ymax;
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xmin = ymin * aspect;
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xmax = ymax * aspect;
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glFrustum(xmin, xmax, ymin, ymax, zNear, zFar);
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}
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void init(GLvoid) // Create Some Everyday Functions
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{
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glShadeModel(GL_SMOOTH); // Enable Smooth Shading
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glClearColor(0.0f, 0.0f, 0.0f, 0.5f); // Black Background
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glClearDepth(1.0f); // Depth Buffer Setup
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glEnable(GL_DEPTH_TEST); // Enables Depth Testing
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glDepthFunc(GL_LEQUAL); // The Type Of Depth Testing To Do
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//glEnable(GL_COLOR_MATERIAL);
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glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
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}
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void display(void) // Create The Display Function
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{
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear Screen And Depth Buffer
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glLoadIdentity(); // Reset The Current Modelview Matrix
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glTranslatef(-1.5f, 0.0f, -6.0f); // Move Left 1.5 Units And Into The Screen 6.0
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glBegin(GL_TRIANGLES); // Drawing Using Triangles
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glColor3f(1.0f, 0.0f, 0.0f); // Set The Color To Red
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glVertex3f(0.0f, 1.0f, 0.0f); // Top
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glColor3f(0.0f, 1.0f, 0.0f); // Set The Color To Green
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glVertex3f(-1.0f, -1.0f, 0.0f); // Bottom Left
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glColor3f(0.0f, 0.0f, 1.0f); // Set The Color To Blue
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glVertex3f(1.0f, -1.0f, 0.0f); // Bottom Right
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glEnd(); // Finished Drawing The Triangle
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glTranslatef(3.0f, 0.0f, 0.0f); // Move Right 3 Units
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glColor3f(0.5f, 0.5f, 1.0f); // Set The Color To Blue One Time Only
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glBegin(GL_QUADS); // Draw A Quad
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glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left
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glVertex3f(1.0f, 1.0f, 0.0f); // Top Right
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glVertex3f(1.0f, -1.0f, 0.0f); // Bottom Right
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glVertex3f(-1.0f, -1.0f, 0.0f); // Bottom Left
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glEnd(); // Done Drawing The Quad
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glutSwapBuffers();
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// Swap The Buffers To Not Be Left With A Clear Screen
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}
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void reshape(int w, int h) // Create The Reshape Function (the viewport)
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{
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glViewport(0, 0, w, h);
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glMatrixMode(GL_PROJECTION); // Select The Projection Matrix
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glLoadIdentity(); // Reset The Projection Matrix
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if (h == 0) // Calculate The Aspect Ratio Of The Window
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gluPerspective(80, (float)w, 1.0, 5000.0);
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else
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gluPerspective(80, (float)w / (float)h, 1.0, 5000.0);
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glMatrixMode(GL_MODELVIEW); // Select The Model View Matrix
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glLoadIdentity(); // Reset The Model View Matrix
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}
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int main(int argc, char **argv) // Create Main Function For Bringing It All Together
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{
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glutInit(&argc, argv); // Erm Just Write It =)
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init();
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glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE); // Display Mode
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glutInitWindowSize(640, 448); // If glutFullScreen wasn't called this is the window size
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glutCreateWindow("NeHe's OpenGL Framework"); // Window Title (argv[0] for current directory as title)
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glutDisplayFunc(display); // Matching Earlier Functions To Their Counterparts
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glutReshapeFunc(reshape);
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glutMainLoop(); // Initialize The Main Loop
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return 0;
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}

‎examples/nehe/lesson04/Makefile‎

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EE_BIN = lesson04.elf
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EE_CFLAGS := -I$(PS2SDK)/ports/include $(EE_CFLAGS)
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EE_CXXFLAGS := -I$(PS2SDK)/ports/include $(EE_CXXFLAGS)
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EE_OBJS = lesson4.o
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EE_LDFLAGS += -L$(PS2SDK)/ports/lib
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EE_LIBS = -lps2glut -lps2gl -lps2stuff -lpad -ldma
7+
8+
ifeq ($(DEBUG), 1)
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EE_CFLAGS += -D_DEBUG -g -O0
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EE_CXXFLAGS += -D_DEBUG -g -O0
11+
endif
12+
13+
# Disabling warnings
14+
WARNING_FLAGS = -Wno-strict-aliasing -Wno-conversion-null
15+
16+
# VU0 code is broken so disable for now
17+
EE_CFLAGS += $(WARNING_FLAGS) -DNO_VU0_VECTORS
18+
EE_CXXFLAGS += $(WARNING_FLAGS) -DNO_VU0_VECTORS
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all: $(EE_BIN)
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$(EE_STRIP) --strip-all $(EE_BIN)
22+
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testpc:
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g++ lesson4.cpp -lglut -lGL -o lesson04
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./lesson04
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clean:
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rm -f $(EE_BIN) $(EE_OBJS)
29+
30+
run: $(EE_BIN)
31+
ps2client -h 192.168.1.10 execee host:$(EE_BIN)
32+
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reset:
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ps2client -h 192.168.1.10 reset
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sim: $(EE_BIN)
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PCSX2 --elf=$(PWD)/$(EE_BIN)
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include $(PS2SDK)/samples/Makefile.pref
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include $(PS2SDK)/samples/Makefile.eeglobal_cpp

‎examples/nehe/lesson04/lesson4.cpp‎

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#include <GL/gl.h> // The GL Header File
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#include <GL/glut.h> // The GL Utility Toolkit (Glut) Header
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#include <math.h>
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float rtri; // Angle For The Triangle
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float rquad; // Angle For The Quad
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//-----------------------------------------------------------------------------
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void gluPerspective(GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar)
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{
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GLdouble xmin, xmax, ymin, ymax;
12+
13+
ymax = zNear * tan(fovy * M_PI / 360.0f);
14+
ymin = -ymax;
15+
xmin = ymin * aspect;
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xmax = ymax * aspect;
17+
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glFrustum(xmin, xmax, ymin, ymax, zNear, zFar);
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}
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void init(GLvoid) // Create Some Everyday Functions
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{
23+
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glShadeModel(GL_SMOOTH); // Enable Smooth Shading
25+
glClearColor(0.0f, 0.0f, 0.0f, 0.5f); // Black Background
26+
glClearDepth(1.0f); // Depth Buffer Setup
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glEnable(GL_DEPTH_TEST); // Enables Depth Testing
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glDepthFunc(GL_LEQUAL); // The Type Of Depth Testing To Do
29+
//glEnable(GL_COLOR_MATERIAL);
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glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
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}
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void display(void) // Create The Display Function
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{
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear Screen And Depth Buffer
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glLoadIdentity(); // Reset The Current Modelview Matrix
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glPushMatrix();
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glTranslatef(-1.5f, 0.0f, -6.0f); // Move Left 1.5 Units And Into The Screen 6.0
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glRotatef(rtri, 0.0f, 1.0f, 0.0f); // Rotate The Triangle On The Y axis
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glBegin(GL_TRIANGLES); // Drawing Using Triangles
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glColor3f(1.0f, 0.0f, 0.0f); // Set The Color To Red
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glVertex3f(0.0f, 1.0f, 0.0f); // Top
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glColor3f(0.0f, 1.0f, 0.0f); // Set The Color To Green
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glVertex3f(-1.0f, -1.0f, 0.0f); // Bottom Left
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glColor3f(0.0f, 0.0f, 1.0f); // Set The Color To Blue
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glVertex3f(1.0f, -1.0f, 0.0f); // Bottom Right
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glEnd(); // Finished Drawing The Triangle
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glLoadIdentity(); // Reset The Current Modelview Matrix
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glTranslatef(1.5f, 0.0f, -6.0f); // Move Right 1.5 Units And Into The Screen 6.0
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glRotatef(rquad, 1.0f, 0.0f, 0.0f); // Rotate The Quad On The X axis
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glColor3f(0.5f, 0.5f, 1.0f); // Set The Color To Blue One Time Only
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glBegin(GL_QUADS); // Draw A Quad
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glVertex3f(-1.0f, 1.0f, 0.0f); // Top Left
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glVertex3f(1.0f, 1.0f, 0.0f); // Top Right
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glVertex3f(1.0f, -1.0f, 0.0f); // Bottom Right
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glVertex3f(-1.0f, -1.0f, 0.0f); // Bottom Left
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glEnd(); // Done Drawing The Quad
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glPopMatrix();
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rtri += 0.2f; // Increase The Rotation Variable For The Triangle ( NEW )
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rquad -= 0.15f; // Decrease The Rotation Variable For The Quad ( NEW )
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63+
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glutSwapBuffers();
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// Swap The Buffers To Not Be Left With A Clear Screen
66+
}
67+
68+
void reshape(int w, int h) // Create The Reshape Function (the viewport)
69+
{
70+
glViewport(0, 0, w, h);
71+
glMatrixMode(GL_PROJECTION); // Select The Projection Matrix
72+
glLoadIdentity(); // Reset The Projection Matrix
73+
if (h == 0) // Calculate The Aspect Ratio Of The Window
74+
gluPerspective(80, (float)w, 1.0, 5000.0);
75+
else
76+
gluPerspective(80, (float)w / (float)h, 1.0, 5000.0);
77+
glMatrixMode(GL_MODELVIEW); // Select The Model View Matrix
78+
glLoadIdentity(); // Reset The Model View Matrix
79+
}
80+
81+
int main(int argc, char **argv) // Create Main Function For Bringing It All Together
82+
{
83+
glutInit(&argc, argv); // Erm Just Write It =)
84+
init();
85+
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE); // Display Mode
86+
glutInitWindowSize(640, 448); // If glutFullScreen wasn't called this is the window size
87+
glutCreateWindow("NeHe's OpenGL Framework"); // Window Title (argv[0] for current directory as title)
88+
glutDisplayFunc(display); // Matching Earlier Functions To Their Counterparts
89+
glutReshapeFunc(reshape);
90+
glutIdleFunc(display);
91+
glutMainLoop(); // Initialize The Main Loop
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return 0;
94+
}

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