main.c

#include "common/callbacks.h"

#define STB_IMAGE_IMPLEMENTATION
#include "common/stb_image.h"

#define GUGL_IMPLEMENTATION
#include "gu2gl.h"

// PSP Module Info

PSP_MODULE_INFO("Triangle Sample", 0, 1, 1);
PSP_MAIN_THREAD_ATTR(THREAD_ATTR_USER | THREAD_ATTR_VFPU);

int running = 1;

// GE LIST
static unsigned int __attribute__((aligned(16))) list[262144];

void reset_translate(float x, float y, float z){
    glMatrixMode(GL_MODEL);
    glLoadIdentity();

    ScePspFVector3 v = {x, y, z};
    gluTranslate(&v);
} 

struct Vertex {
    unsigned int color;
    float x, y, z;
};

struct Vertex __attribute__((aligned(16))) triangle[3] = {
    {0xFF0000FF, 0.35f, 0.0f, -1.0f},
    {0xFF00F0F0, -0.35f, 0.0f, -1.0f},
    {0xFFFFFF00, 0.0f, 0.5f, -1.0f},
};

struct Vertex __attribute__((aligned(16))) square[4] = {
    {0xFF0000FF, -0.25f, -0.25f, -1.0f},
    {0xFF00FF00, -0.25f, 0.25f, -1.0f},
    {0xFFFF0000, 0.25f, 0.25f, -1.0f},
    {0xFFFFFFFF, 0.25f, -0.25f, -1.0f},
};

unsigned short __attribute__((aligned(16))) indices[6] = {
    0, 1, 2, 2, 3, 0
};

int main(){
    // Boilerplate
    setupCallbacks();

    // Initnialize Graphics
    guglInit(list);

    // Initialize Matrices
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glOrtho(-16.0f / 9.0f, 16.0f / 9.0f, -1.0f, 1.0f, -10.0f, 10.0f);

    glMatrixMode(GL_VIEW);
    glLoadIdentity();

    glMatrixMode(GL_MODEL);
    glLoadIdentity();

    // Main program loop
    while(running){
        guglStartFrame(list, GL_FALSE);

        glDisable(GL_DEPTH_TEST);

        glClearColor(0xFF000000);
        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

        reset_translate(-0.5f, 0.0f, 0.0f);
        glDrawElements(GL_TRIANGLES, GL_COLOR_8888 | GL_VERTEX_32BITF | GL_TRANSFORM_3D, 3, NULL, triangle);

        reset_translate(0.0f, 0.5f, 0.0f);
        glDrawElements(GL_TRIANGLES, GL_INDEX_16BIT | GL_COLOR_8888 | GL_VERTEX_32BITF | GL_TRANSFORM_3D, 6, indices, square);
        

        guglSwapBuffers(GL_TRUE, GL_FALSE);
    }

    guglTerm();

    sceKernelExitGame();
    return 0;
}