static void init(void)
{
STM_EVAL_PBInit(BUTTON_USER, BUTTON_MODE_GPIO);
r3dfb_init();
LCD_SetColors(0x0000, 0xffff);
LCD_SetFont(&Font8x8);
itoa(meshes[mesh].count / 3, info_str, 10);
strcat(info_str, " tris");
r3d_viewport(1, 1, R3DFB_PIXEL_WIDTH - 1, R3DFB_PIXEL_HEIGHT - 1);
r3d_backface_culling = R3D_ENABLE;
r3d_primitive_winding = windings[mesh];
projection = mat4_perspective(60.0f, (float)R3DFB_PIXEL_WIDTH / (float)R3DFB_PIXEL_HEIGHT, 0.5f, 5.0f);
view = mat4_lookat(vec3(0.0f, 0.25f, 1.5f), vec3(0.0f, 0.0f, 0.0f), vec3(0.0f, 1.0f, 0.0f));
L3GD20_InitTypeDef L3GD20_InitStructure;
L3GD20_InitStructure.Power_Mode = L3GD20_MODE_ACTIVE;
L3GD20_InitStructure.Output_DataRate = L3GD20_OUTPUT_DATARATE_1;
L3GD20_InitStructure.Axes_Enable = L3GD20_AXES_ENABLE;
L3GD20_InitStructure.Band_Width = L3GD20_BANDWIDTH_4;
L3GD20_InitStructure.BlockData_Update = L3GD20_BlockDataUpdate_Continous;
L3GD20_InitStructure.Endianness = L3GD20_BLE_LSB;
L3GD20_InitStructure.Full_Scale = L3GD20_FULLSCALE_250;
L3GD20_Init(&L3GD20_InitStructure);
L3GD20_FilterConfigTypeDef L3GD20_FilterStructure;
L3GD20_FilterStructure.HighPassFilter_Mode_Selection = L3GD20_HPM_NORMAL_MODE_RES;
L3GD20_FilterStructure.HighPassFilter_CutOff_Frequency = L3GD20_HPFCF_0;
L3GD20_FilterConfig(&L3GD20_FilterStructure);
L3GD20_FilterCmd(L3GD20_HIGHPASSFILTER_ENABLE);
}
void renderer_prerender(struct renderer *r)
{
struct mat4 tmp;
mat4_lookat(&r->view, &r->pos, &r->tar, &r->up);
mat4_persp(
&r->proj,
70.0f,
(float)(r->width) / r->height,
0.1f,
500.0f
);
mat4_id(&r->model);
mat4_multiply(&tmp, &r->proj, &r->view);
memcpy(&r->prev_mvp, &r->mvp, sizeof(r->mvp));
mat4_multiply(&r->mvp, &tmp, &r->model);
}
