daxxar

struct VertexTexColor{    float u, v; /* Tex-coords. */    unsigned int color;    float x, y, z; /* Coords. */};struct VertexNormalsColor{    unsigned int color;    float n_x, n_y, n_z; /* Normals. */    float x, y, z; /* Coords. */};struct VertexTexColor __attribute__((aligned(16))) overlay_vertices[2] ={    {0.0, 0.0, 0xffff00ff, 0, 0, 1},    {1.0, 1.0, 0xffff00ff, 480, 272, 1},};int main(int argc, char* argv[]){    setupCallbacks();    TextureManager& texManager = TextureManager::instance();    int overlayId = texManager.loadTexture<PNGLoader>("overlay.png");    Texture *overlay = texManager.getTexture(overlayId);    /* Recalc texture coords to make overlay cover whole screen. */    overlay_vertices[1].u = (float)overlay->width/overlay->textureWidth;    overlay_vertices[1].v = (float)overlay->height/overlay->textureHeight;    int heartVertices;    VertexNormalsColor *heart = ObjLoader::load("heart.obj", &heartVertices);    // setup GU    void* fbp0 = getStaticVramBuffer(BUF_WIDTH,SCR_HEIGHT,GU_PSM_8888);    void* fbp1 = getStaticVramBuffer(BUF_WIDTH,SCR_HEIGHT,GU_PSM_8888);    void* zbp = getStaticVramBuffer(BUF_WIDTH,SCR_HEIGHT,GU_PSM_4444);    sceGuInit();    sceGuStart(GU_DIRECT, list);    sceGuDrawBuffer(GU_PSM_8888,fbp0,BUF_WIDTH);    sceGuDispBuffer(SCR_WIDTH,SCR_HEIGHT,fbp1,BUF_WIDTH);    sceGuDepthBuffer(zbp,BUF_WIDTH);    sceGuOffset(2048 - (SCR_WIDTH/2),2048 - (SCR_HEIGHT/2));    sceGuViewport(2048,2048,SCR_WIDTH,SCR_HEIGHT);    sceGuDepthRange(65535,0);    sceGuScissor(0,0,SCR_WIDTH,SCR_HEIGHT);    sceGuEnable(GU_SCISSOR_TEST);    sceGuDepthFunc(GU_GEQUAL);    sceGuEnable(GU_DEPTH_TEST);    sceGuFrontFace(GU_CW);    sceGuShadeModel(GU_SMOOTH);    sceGuEnable(GU_CULL_FACE);    sceGuEnable(GU_TEXTURE_2D);    sceGuEnable(GU_CLIP_PLANES);    sceGuEnable(GU_BLEND);    /* Enable lighting! */    sceGuEnable(GU_LIGHTING);    sceGuEnable(GU_LIGHT0);    /* Textures & blending*/    sceGuBlendFunc(GU_ADD, GU_SRC_ALPHA, GU_ONE_MINUS_SRC_ALPHA, 0, 0);    sceGuTexScale(1.0f,1.0f);    sceGuTexOffset(0.0f,0.0f);    sceGuFinish();    sceGuSync(0,0);    sceDisplayWaitVblankStart();    sceGuDisplay(GU_TRUE);    int val = 0;    while (running())    {        sceGuStart(GU_DIRECT,list);        // clear screen        sceGuClearColor(0xffffff);        sceGuClearDepth(0);        sceGuClear(GU_COLOR_BUFFER_BIT | GU_DEPTH_BUFFER_BIT);        /* Lights! */        {            ScePspFVector3 lpos = { cosf(val * (GU_PI/180)) * 3.0f, 0, sinf(val * (GU_PI/180)) * 3.0f };            sceGuLight(0, GU_POINTLIGHT, GU_DIFFUSE_AND_SPECULAR, &lpos);            sceGuLightColor(0, GU_DIFFUSE, 0xffff00ff);            sceGuLightColor(0, GU_SPECULAR, 0xffffffff);            sceGuLightAtt(0, 0.0f, 1.0f, 0.0f);            sceGuSpecular(12.0f);            sceGuAmbient(0x00222222);        }        // setup matrices for cube        sceGumMatrixMode(GU_PROJECTION);        sceGumLoadIdentity();        sceGumPerspective(75.0f,16.0f/9.0f,0.5f,1000.0f);        sceGumMatrixMode(GU_VIEW);        sceGumLoadIdentity();        sceGumMatrixMode(GU_MODEL);        sceGumLoadIdentity();        {            ScePspFVector3 pos = { 0, -0.75f, -2.5f };            ScePspFVector3 rot = { 0, val * 0.98f * (GU_PI/180.0f), 0};            ScePspFVector3 scale = { val * 0.01f, val * 0.98f, val * 0.01f };            sceGumTranslate(&pos);            sceGumRotateXYZ(&rot);        }	/* XXX: THIS IS THE PROBLEMATIC SPOT.	 * With this piece of code as-is, I get a translucent object that doesn't have the	 * right color. (No matter if lighting is on or off)	 *	 * If I wrap this code in:	 *   sceGuDisable(GU_TEXTURE_2D); <code> sceGuEnable(GU_TEXTURE_2D);	 * I get _nothing_ (just the white background & the overlay) if lighting is enabled,	 * and my object with the proper, uniform color if lighting is disabled.	 */        sceGuFrontFace(GU_CCW);        sceGumDrawArray(GU_TRIANGLES, GU_COLOR_8888|GU_NORMAL_32BITF|GU_VERTEX_32BITF|GU_TRANSFORM_3D, heartVertices, 0, heart);        sceGuFrontFace(GU_CW);	/* XXX: END OF PROBLEMATIC SPOT. */        	/* This below here renders an overlay that's mostly transparency, except for some blocks of color.	 * This works fine no matter what I do with the lighting. */        sceGumMatrixMode(GU_PROJECTION);        sceGumLoadIdentity();        sceGumOrtho(0, 480, 272, 0, -1, 1);        sceGumMatrixMode(GU_MODEL);        sceGumLoadIdentity();        /* Setup & draw overlay texture. */        overlay->bind();        sceGumDrawArray(GU_SPRITES, GU_TEXTURE_32BITF|GU_COLOR_8888|GU_VERTEX_32BITF|GU_TRANSFORM_3D, 2*3, 0, overlay_vertices);        sceGuFinish();        sceGuSync(0,0);        sceDisplayWaitVblankStart();        sceGuSwapBuffers();        val++;    }    sceGuTerm();    sceKernelExitGame();    return 0;}