bool DeferredRenderer::Init(int w, int h) {
SR_ASSERT(geometry_uber_shader_.get() == NULL);
SR_ASSERT(gbuffer_.get() == NULL);
SR_ASSERT(final_result_fb_.get() == NULL);
gbuffer_ = move(unique_ptr<GBuffer>(new GBuffer()));
gbuffer_->Init(w, h);
LOGI("Deferred Renderer :: Geomerty Shader");
const char *vert_file = "shader/deferred/deferred_geometry.vs";
const char *frag_file = "shader/deferred/deferred_geometry.fs";
unsigned int flag = 0;
//flag |= kMaterialAmbient; //디퍼드는 객체별 ambient가 먹히지 않는다(속성을 따로 저장하지 않아서)
flag |= kMaterialDiffuse;
flag |= kMaterialSpecular;
flag |= kMaterialDiffuseMap;
flag |= kMaterialSpecularMap;
//normal map
flag |= kMaterialNormalMap;
geometry_uber_shader_.reset(new UberShader());
geometry_uber_shader_->InitWithFile(vert_file, frag_file, flag);
//최종결과
final_result_fb_.reset(new FrameBuffer());
final_result_fb_->Init(w, h);
return true;
}
bool RPSEvent::operator<(const RPSEvent &o) const
{
SR_ASSERT(o.value != kNone);
SR_ASSERT(this->value != kNone);
if(o == winEvent()) {
return true;
}
return false;
}
Component::Component(int w, int h, const std::string &name)
: smgr_(Lib::smgr->createNewSceneManager(false)),
rtSize_(w, h),
rt_(Lib::driver->addRenderTargetTexture(core::dimension2d<u32>(w, h), name.c_str())),
bgColor_(0, 0, 0, 255)
{
SR_ASSERT(w > 0);
SR_ASSERT(h > 0);
}
void DoubleStackAllocator::UpperFree(void *ptr) {
//data가 stack의 범위에 존재하는 메모리 좌표인가?
SR_ASSERT((uchar*)upper_ <= ptr);
SR_ASSERT((uchar*)data_ + stack_size_ > ptr);
StackAllocHeader *header = reinterpret_cast<StackAllocHeader*>((uchar*)ptr - sizeof(StackAllocHeader));
int alloc_size = header->alloc_size;
upper_ += (sizeof(StackAllocHeader) + alloc_size);
}
TestComp::TestComp()
: Component(512, 512, "RTT1")
{
this->setBackgroundColor(video::SColor(0, 0, 128, 128));
const char *md2file = "ext/irrlicht/media/faerie.md2";
const char *texfile = "ext/irrlicht/media/faerie2.bmp";
scene::IAnimatedMeshSceneNode* fairy = getSceneMgr()->addAnimatedMeshSceneNode(
Lib::smgr->getMesh(md2file));
SR_ASSERT(fairy != nullptr);
fairy->setMaterialTexture(0, Lib::driver->getTexture(texfile)); // set diffuse texture
fairy->setMaterialFlag(video::EMF_LIGHTING, true); // enable dynamic lighting
fairy->getMaterial(0).Shininess = 20.0f; // set size of specular highlights
fairy->setPosition(core::vector3df(-10,0,-100));
fairy->setMD2Animation(scene::EMAT_STAND);
// add white light
getSceneMgr()->addLightSceneNode(0, core::vector3df(-15,5,-105), video::SColorf(1.0f, 1.0f, 1.0f));
// set ambient light
getSceneMgr()->setAmbientLight(video::SColor(0,60,60,60));
// add fixed camera
getSceneMgr()->addCameraSceneNode(0, core::vector3df(10,10,-80), core::vector3df(-10,10,-100));
}
void DoubleStackAllocator::LowerFree(void *ptr) {
//data가 stack의 범위에 존재하는 메모리 좌표인가?
SR_ASSERT((uchar*)data_ <= ptr);
SR_ASSERT((uchar*)lower_ > ptr);
StackAllocHeader *header = reinterpret_cast<StackAllocHeader*>((uchar*)ptr - sizeof(StackAllocHeader));
int alloc_size = header->alloc_size;
//가장마지막에 할당한것을 해제한다면 top와 할당크기가 연관되어잇다.
//그렇지 않다면 top가 올바르지 않을것이다
int expected_alloc_size = (uchar*)lower_ - (uchar*)ptr;
if(expected_alloc_size == alloc_size) {
lower_ -= (sizeof(StackAllocHeader) + alloc_size);
} else {
SR_ASSERT(!"stack break?");
}
}
WireCubeFactory::WireCubeFactory(float width, float height, float depth)
: width_(width),
height_(height),
depth_(depth)
{
SR_ASSERT(width > 0 && height > 0 && depth > 0);
}
void DeferredRenderer::DrawDirectionalLight(const Light &light) {
SR_ASSERT(light.type == kLightDirection);
//동적 라이팅중에서 구조가 가장 간단한 방향으로 뱉어지는 빛이다. 이것의 경우
//그냥 화면 전체에 대해서 2d로 잘 적용하면 된다
Device *device = Device::GetInstance();
RenderState &render_state = device->render_state();
Shader &shader = directional_shader();
render_state.UseShader(shader);
//빛 계산에 쓰이는 공용 속성 설정
SetCommonLightUniform(shader, light);
//방향성빛은 방향만 잇으니까 행렬의 3*3만 쓴다
mat3 model_mat(render_state.model_mat());
mat3 light_mat(model_mat);
vec3 light_target_pos(light.dir);
vec3 viewspace_light_target_pos(light_mat * light_target_pos);
vec3 light_dir = normalize(viewspace_light_target_pos);
//빛 방향을 디버깅을 위해서 출력하기
//Draw2DManager *draw_2d_mgr = device->draw_2d();
//char light_dir_buf[128];
//sprintf(light_dir_buf, "LightDir:%.4f, %.4f, %.4f", light_dir.x, light_dir.y, light_dir.z);
//draw_2d_mgr->AddString(vec2(0, 100), light_dir_buf, Color4ub::Red(), 1.0f);
shader.SetUniformVector("u_lightDir", light_dir);
SetCommonLightQuadDraw(shader);
}
void PrimitiveMeshHelper::PointCube(float width, float height, float depth) {
SR_ASSERT(width > 0 && height > 0 && depth > 0);
width = width/2;
height = height/2;
depth = depth/2;
vec3 v0(-width, height, -depth);
vec3 v1(width, height, -depth);
vec3 v2(-width, height, depth);
vec3 v3(width, height, depth);
vec3 v4(-width, -height, -depth);
vec3 v5(width, -height, -depth);
vec3 v6(-width, -height, depth);
vec3 v7(width, -height, depth);
vector<vec3> pos_list(8);
pos_list[0] = v0;
pos_list[1] = v1;
pos_list[2] = v2;
pos_list[3] = v3;
pos_list[4] = v4;
pos_list[5] = v5;
pos_list[6] = v6;
pos_list[7] = v7;
DrawCmdData<Vertex> cmd;
cmd.draw_mode = kDrawPoints;
for(size_t i = 0 ; i < pos_list.size() ; ++i) {
Vertex vert;
vert.set_pos(pos_list[i]);
cmd.vertex_list.push_back(vert);
}
this->cmd_list_->push_back(cmd);
}
Shader &UberShader::Load(uint flag) {
SR_ASSERT(orig_vert_src_.empty() == false && "not initialized yet");
SR_ASSERT(orig_frag_src_.empty() == false && "not initialized yet");
//shader마다 허용 가능한 플래그가 약간 다르다
//요청한것에 대해서 미리 검사하기
if((~avail_mask_ & flag) != 0) {
//LOGW("사용할수 없는 flag를 활성화 햇음. 자동 무시");
flag = flag & avail_mask_;
}
auto found = prog_dict_.find(flag);
if(found != prog_dict_.end()) {
return found->second;
}
//없으면 적절히 생성하기
vector<const char*> vert_src_list;
vector<const char*> frag_src_list;
const int enable_count = sizeof(enable_define_list) / sizeof(enable_define_list[0]);
const int disable_count = sizeof(disable_define_list) / sizeof(disable_define_list[0]);
SR_STATIC_ASSERT(enable_count == disable_count, "must same size");
for(int i = 0 ; i < enable_count ; i++) {
unsigned int mask = 1 << i;
if((flag & mask) == mask) {
vert_src_list.push_back(enable_define_list[i]);
frag_src_list.push_back(enable_define_list[i]);
} else {
vert_src_list.push_back(disable_define_list[i]);
frag_src_list.push_back(disable_define_list[i]);
}
}
vert_src_list.push_back(orig_vert_src_.c_str());
frag_src_list.push_back(orig_frag_src_.c_str());
//쉐이더 프로그램 적절히 생성
LOGI("UberShader Load :: %d", flag);
Shader shader_prog;
shader_prog.Init(vert_src_list, frag_src_list);
prog_dict_[flag] = shader_prog;
return prog_dict_[flag];
}
const std::string &DeferredRenderer::light_vert_src() {
if(light_vert_src_.empty()) {
const char *vert_file = "shader/deferred/deferred_light.vs";
string vert_path = Filesystem::GetAppPath(vert_file);
MemoryFile mem_file(vert_path);
bool opened = mem_file.Open();
SR_ASSERT(opened == true);
const char *src = (const char*)(mem_file.start);
light_vert_src_ = src;
mem_file.Close();
}
return light_vert_src_;
}
static bool Load(Image *img, ImageDesc *desc, uchar *data, int data_size) {
//lodepng를 기반으로 적절히 로딩하기
SR_ASSERT(data != NULL);
SR_ASSERT(data_size > 0);
img->image_data_.clear();
LodePNG::Decoder decoder;
decoder.decode(img->image_data(), data, data_size);
if(decoder.hasError()) {
return false;
} else {
desc->width = decoder.getWidth();
desc->height = decoder.getHeight();
desc->bit_depth = decoder.getInfoPng().color.bitDepth;
desc->bpp = decoder.getBpp();
desc->color_channels = decoder.getChannels();
desc->is_grayscale = decoder.isGreyscaleType() > 0 ? true : false;
desc->is_alpha = decoder.isAlphaType() > 0 ? true : false;
return true;
}
}
void* DoubleStackAllocator::UpperMalloc(size_t x) {
int alloc_size = x + GetAllocHeaderSize();
if(upper_ - lower_ < alloc_size) {
SR_ASSERT(!"cannot alloc, more big stack required");
return NULL;
}
uchar *raw_ptr = upper_ - (alloc_size + 1);
upper_ -= alloc_size;
StackAllocHeader *header = reinterpret_cast<StackAllocHeader*>(raw_ptr);
header->alloc_size = x;
uchar *ptr = raw_ptr + GetAllocHeaderSize();
return ptr;
}
void DeferredRenderer::DrawLight(const Light &light) {
switch(light.type) {
case kLightDirection:
DrawDirectionalLight(light);
break;
case kLightPoint:
DrawPointLight(light);
break;
case kLightSpotLight:
DrawSpotLight(light);
break;
default:
SR_ASSERT(!"not valid");
}
}
void* DoubleStackAllocator::LowerMalloc(size_t x) {
//stack할당자와 다른것은 할당후 upper에 닿는지 확인해야한다는 점이다
int alloc_size = x + GetAllocHeaderSize();
if(upper_ - lower_ < alloc_size) {
SR_ASSERT(!"cannot alloc, more big stack required");
return NULL;
}
uchar *raw_ptr = lower_;
StackAllocHeader *header = reinterpret_cast<StackAllocHeader*>(raw_ptr);
header->alloc_size = x;
uchar *ptr = raw_ptr + GetAllocHeaderSize();
lower_ += alloc_size;
return ptr;
}
const std::string &DeferredRenderer::light_frag_src() {
if(light_frag_src_.empty()) {
const char *frag_file = "shader/deferred/deferred_light.fs";
string frag_path = Filesystem::GetAppPath(frag_file);
MemoryFile mem_file(frag_path);
bool opened = mem_file.Open();
SR_ASSERT(opened == true);
const char *src = (const char*)(mem_file.start);
const std::string &light_model_src = Light::GetLightModelFragSrc();
light_frag_src_ = light_model_src;
light_frag_src_ += src;
mem_file.Close();
}
return light_frag_src_;
}
static bool Load(Image *img, ImageDesc *desc, uchar *data, int data_size) {
//귀찮은 관계로 soil에 떠넘기자
//압축된거같은 데이터에서 쌩 데이터로 떠내기
int width, height, channels;
unsigned char *raw_img = SOIL_load_image_from_memory(
data, data_size, &width, &height, &channels, SOIL_LOAD_AUTO
);
if(raw_img == nullptr) {
return false;
}
img->image_data_.resize(width * height * channels * sizeof(uchar));
memcpy(img->image_data_.data(), raw_img, img->image_data_.size() * sizeof(uchar));
SOIL_free_image_data(raw_img);
//텍스쳐에서 얻어낸 속성을 적절히 재가공
desc->width = width;
desc->height = height;
desc->bit_depth = 8; //?
desc->bpp = 8 * channels;
desc->color_channels = channels;
switch(channels) {
case SOIL_LOAD_L:
desc->is_grayscale = true;
desc->is_alpha = false;
break;
case SOIL_LOAD_LA:
desc->is_grayscale = true;
desc->is_alpha = true;
break;
case SOIL_LOAD_RGB:
desc->is_grayscale = false;
desc->is_alpha = false;
break;
case SOIL_LOAD_RGBA:
desc->is_grayscale = false;
desc->is_alpha = true;
break;
default:
SR_ASSERT(!"do not reach");
break;
}
return true;
}
RPSEvent RPSEvent::loseEvent() const
{
int other = 0;
switch(value) {
case kRock:
other = kScissor;
break;
case kPaper:
other = kRock;
break;
case kScissor:
other = kPaper;
break;
default:
SR_ASSERT(!"do not reach");
}
return RPSEvent(other);
}
void PrimitiveMeshHelper::WireCube(float width, float height, float depth) {
SR_ASSERT(width > 0 && height > 0 && depth > 0);
width = width/2;
height = height/2;
depth = depth/2;
vec3 v0(-width, height, -depth);
vec3 v1(width, height, -depth);
vec3 v2(-width, height, depth);
vec3 v3(width, height, depth);
vec3 v4(-width, -height, -depth);
vec3 v5(width, -height, -depth);
vec3 v6(-width, -height, depth);
vec3 v7(width, -height, depth);
vector<vec3> pos_list(8);
pos_list[0] = v0;
pos_list[1] = v1;
pos_list[2] = v2;
pos_list[3] = v3;
pos_list[4] = v4;
pos_list[5] = v5;
pos_list[6] = v6;
pos_list[7] = v7;
DrawCmdData<Vertex> cmd;
cmd.draw_mode = kDrawLines;
for(size_t i = 0 ; i < pos_list.size() ; ++i) {
Vertex vert;
vert.set_pos(pos_list[i]);
cmd.vertex_list.push_back(vert);
}
//GL_LINES용 index list
std::array<GLushort, 24> index_list = {
0,1, 1,3, 2,3, 0,2,
4,5, 5,7, 6,7, 4,6,
0,4, 1,5, 2,6, 3,7
};
cmd.index_list.resize(index_list.size());
copy(index_list.begin(), index_list.end(), cmd.index_list.begin());
this->cmd_list_->push_back(cmd);
}
void *StackAllocator::Malloc(size_t x) {
int alloc_size = x + sizeof(StackAllocHeader);
//할당 가능한 크기가 x보다 작아야 할당 가능
int curr_allocated_size = top_ - data_;
int avail_alloc_size = stack_size_ - curr_allocated_size;
if(avail_alloc_size < alloc_size) {
SR_ASSERT(!"cannot alloc, more big stack required");
return NULL;
}
uchar *raw_data = top_;
top_ += alloc_size;
StackAllocHeader *header = reinterpret_cast<StackAllocHeader*>(raw_data);
header->alloc_size = x;
uchar *ptr = (uchar*)raw_data + sizeof(StackAllocHeader);
return ptr;
}
ImageDesc Texture::CreateImageDesc(int w, int h, TexFormatType format) {
ImageDesc desc;
desc.width = w;
desc.height = h;
desc.bit_depth = 32;
switch(format) {
case kTexFormatAlpha:
desc.bpp = 8;
desc.color_channels = 1;
desc.is_grayscale = false;
desc.is_alpha = true;
break;
case kTexFormatLumiance:
desc.bpp = 8;
desc.color_channels = 1;
desc.is_grayscale = true;
desc.is_alpha = false;
break;
case kTexFormatLumianceAlpha:
desc.bpp = 16;
desc.color_channels = 2;
desc.is_grayscale = true;
desc.is_alpha = true;
break;
case kTexFormatRGB:
desc.bpp = 24;
desc.color_channels = 3;
desc.is_grayscale = false;
desc.is_alpha = false;
break;
case kTexFormatRGBA:
desc.bpp = 32;
desc.color_channels = 4;
desc.is_grayscale = false;
desc.is_alpha = true;
break;
default:
SR_ASSERT(!"not valid tex format");
}
return desc;
}
bool MemoryFile::Open() {
int flag = O_RDONLY;
#if SR_WIN
flag |= O_BINARY;
#endif
int fd = _open(filepath_, flag);
SR_ASSERT(fd != -1 && "file is not exist");
if (fd == -1) {
return false;
}
int length = Filesystem::GetFileSize(fd);
start = (uchar*)SR_MALLOC(length + 1);
data = start;
_read(fd, start, length);
curr = start;
end = curr + length;
*end = '\0';
_close(fd);
return true;
}
float
distance_levenshtein(struct sr_thread *thread1,
struct sr_thread *thread2,
bool transposition)
{
assert(thread1->type == thread2->type);
int frame_count1 = sr_thread_frame_count(thread1);
int frame_count2 = sr_thread_frame_count(thread2);
int max_frame_count = frame_count2;
if (max_frame_count < frame_count1)
max_frame_count = frame_count1;
/* Avoid division by zero in case we get two empty threads */
if (max_frame_count == 0)
return 0.0;
int m = frame_count1 + 1;
int n = frame_count2 + 1;
// store only two last rows and columns instead of whole 2D array
SR_ASSERT(n <= SIZE_MAX - 1);
SR_ASSERT(m <= SIZE_MAX - (n + 1));
int *dist = sr_malloc_array(sizeof(int), m + n + 1);
int *dist1 = sr_malloc_array(sizeof(int), m + n + 1);
// first row and column having distance equal to their position
for (int i = m; i > 0; --i)
dist[m - i] = i;
for (int i = 0; i <= n; ++i)
dist[m + i] = i;
struct sr_frame *curr_frame2 = sr_thread_frames(thread2);
struct sr_frame *prev_frame = NULL;
struct sr_frame *prev_frame2 = NULL;
for (int j = 1; curr_frame2; ++j)
{
struct sr_frame *curr_frame = sr_thread_frames(thread1);
for (int i = 1; curr_frame; ++i)
{
int l = m + j - i;
int dist2 = dist1[l];
dist1[l] = dist[l];
int cost;
/*similar characters have distance equal to the previous
one diagonally, "??" functions aren't taken as
similar */
if (0 == sr_frame_cmp_distance(curr_frame, curr_frame2))
cost = 0;
else
{
// different ones takes the lowest value of all
// previous distances
cost = 1;
dist[l] += 1;
if (dist[l] > dist[l - 1] + 1)
dist[l] = dist[l - 1] + 1;
if (dist[l] > dist[l + 1] + 1)
dist[l] = dist[l + 1] + 1;
}
/*checking for transposition of two characters in both ways
taking into account that "??" functions are not similar*/
if (transposition &&
(i >= 2 && j >= 2 && dist[l] > dist2 + cost &&
0 == sr_frame_cmp_distance(curr_frame, prev_frame2) &&
0 == sr_frame_cmp_distance(prev_frame, curr_frame2)))
{
dist[l] = dist2 + cost;
}
prev_frame = curr_frame;
curr_frame = sr_frame_next(curr_frame);
}
prev_frame2 = curr_frame2;
curr_frame2 = sr_frame_next(curr_frame2);
}
int result = dist[n];
free(dist);
free(dist1);
return (float)result / max_frame_count;
}
void PrimitiveMeshHelper::WirePlane(float half_size, float grid_size) {
DrawCmdData<Vertex> cmd;
cmd.draw_mode = kDrawLines;
VertexList &vert_list = cmd.vertex_list;
int grid_range = (int)(half_size / grid_size);
//left line(-half_size, 0, half_size) ~ (-half_size, 0, -half_size)
//right line(+half_size, 0, half_size) ~ (+half_size, 0, -half_size)
//front line(-half_size, 0, +half_size) ~ (+half_size, 0, +half_size)
//back line(-half_size, 0, -half_size) ~ (+half_size, 0, -half_size)
enum {
kLeft = 0,
kRight,
kFront,
kBack
};
//([0], 0, [1]) ~ ([2], 0, [3])
float xz_axis_mark[][4] = {
{ -1, -1, -1, +1 },
{ +1, -1, +1, +1 },
{ -1, +1, +1, +1 },
{ -1, -1, +1, -1 },
};
for(int axis_idx = 0 ; axis_idx < 4 ; ++axis_idx) {
int line_vert_size = grid_range * 2 + 1;
for(int i = 0 ; i < line_vert_size ; ++i) {
int start_index = line_vert_size * axis_idx;
int vert_idx = start_index + i;
float left_x = xz_axis_mark[axis_idx][0] * half_size;
float right_x = xz_axis_mark[axis_idx][2] * half_size;
float front_z = xz_axis_mark[axis_idx][3] * half_size;
float back_z = xz_axis_mark[axis_idx][1] * half_size;
SR_ASSERT(left_x <= right_x);
SR_ASSERT(back_z <= front_z);
float x, z;
float scale = ((float)i / (line_vert_size-1.0f));
if(left_x == right_x) {
x = left_x;
} else {
x = scale * (right_x - left_x) + left_x;
}
if(front_z == back_z) {
z = front_z;
} else {
z = scale * (front_z - back_z) + back_z;
}
Vertex vert;
vert.pos = vec3(x, 0, z);
vert_list.push_back(vert);
}
}
//////////////////////////
std::vector<unsigned short> &index_list = cmd.index_list;
//build index list
int line_vert_size = grid_range * 2 + 1;
index_list.reserve(line_vert_size * 2 * 4);
//left .... right를 잇는 선
int left_start_index = line_vert_size * kLeft;
int right_start_index = line_vert_size * kRight;
for(int i = 0 ; i < line_vert_size ; i++) {
index_list.push_back(left_start_index + i);
index_list.push_back(right_start_index + i);
}
//front...back를 잇는 선
int front_start_index = line_vert_size * kFront;
int back_start_index = line_vert_size * kBack;
for(int i = 0 ; i < line_vert_size ; i++) {
index_list.push_back(front_start_index + i);
index_list.push_back(back_start_index + i);
}
this->cmd_list_->push_back(cmd);
}
void PrimitiveMeshHelper::SolidCube(float width, float height, float depth) {
SR_ASSERT(width > 0 && height > 0 && depth > 0);
width = width/2;
height = height/2;
depth = depth/2;
DrawCmdData<Vertex> cmd;
cmd.draw_mode = kDrawTriangles;
VertexList &vert_list = cmd.vertex_list;
std::vector<unsigned short> &index_list = cmd.index_list;
//normal
{
// Front Face
int baseIndex = vert_list.size();
vec3 normal(0, 0, +1);
vec2 texCoord1(0, 0); vec3 vertex1(-width, -height, depth);
vec2 texCoord2(1, 0); vec3 vertex2( width, -height, depth);
vec2 texCoord3(1, 1); vec3 vertex3( width, height, depth);
vec2 texCoord4(0, 1); vec3 vertex4(-width, height, depth);
//add vertex
Vertex v1; v1.pos = vertex1; v1.texcoord = texCoord1; v1.normal = normal;
Vertex v2; v2.pos = vertex2; v2.texcoord = texCoord2; v2.normal = normal;
Vertex v3; v3.pos = vertex3; v3.texcoord = texCoord3; v3.normal = normal;
Vertex v4; v4.pos = vertex4; v4.texcoord = texCoord4; v4.normal = normal;
vert_list.push_back(v1);
vert_list.push_back(v2);
vert_list.push_back(v3);
vert_list.push_back(v4);
//add index
index_list.push_back(baseIndex + 0);
index_list.push_back(baseIndex + 1);
index_list.push_back(baseIndex + 2);
index_list.push_back(baseIndex + 0);
index_list.push_back(baseIndex + 2);
index_list.push_back(baseIndex + 3);
}
{
// Back Face
int baseIndex = vert_list.size();
vec3 normal(0, 0, -1);
vec2 texCoord1(1, 0); vec3 vertex1(-width, -height, -depth);
vec2 texCoord2(1, 1); vec3 vertex2(-width, height, -depth);
vec2 texCoord3(0, 1); vec3 vertex3( width, height, -depth);
vec2 texCoord4(0, 0); vec3 vertex4( width, -height, -depth);
//add vertex
Vertex v1; v1.pos = vertex1; v1.texcoord = texCoord1; v1.normal = normal;
Vertex v2; v2.pos = vertex2; v2.texcoord = texCoord2; v2.normal = normal;
Vertex v3; v3.pos = vertex3; v3.texcoord = texCoord3; v3.normal = normal;
Vertex v4; v4.pos = vertex4; v4.texcoord = texCoord4; v4.normal = normal;
vert_list.push_back(v1);
vert_list.push_back(v2);
vert_list.push_back(v3);
vert_list.push_back(v4);
//add index
index_list.push_back(baseIndex + 0);
index_list.push_back(baseIndex + 1);
index_list.push_back(baseIndex + 2);
index_list.push_back(baseIndex + 0);
index_list.push_back(baseIndex + 2);
index_list.push_back(baseIndex + 3);
}
{
// Top Face
int baseIndex = vert_list.size();
vec3 normal(0, 1, 0);
vec2 texCoord1(0, 1); vec3 vertex1(-width, height, -depth);
vec2 texCoord2(0, 0); vec3 vertex2(-width, height, depth);
vec2 texCoord3(1, 0); vec3 vertex3( width, height, depth);
vec2 texCoord4(1, 1); vec3 vertex4( width, height, -depth);
//add vertex
Vertex v1; v1.pos = vertex1; v1.texcoord = texCoord1; v1.normal = normal;
Vertex v2; v2.pos = vertex2; v2.texcoord = texCoord2; v2.normal = normal;
Vertex v3; v3.pos = vertex3; v3.texcoord = texCoord3; v3.normal = normal;
Vertex v4; v4.pos = vertex4; v4.texcoord = texCoord4; v4.normal = normal;
vert_list.push_back(v1);
vert_list.push_back(v2);
vert_list.push_back(v3);
vert_list.push_back(v4);
//add index
index_list.push_back(baseIndex + 0);
index_list.push_back(baseIndex + 1);
index_list.push_back(baseIndex + 2);
index_list.push_back(baseIndex + 0);
index_list.push_back(baseIndex + 2);
index_list.push_back(baseIndex + 3);
}
{
// Bottom Face
int baseIndex = vert_list.size();
vec3 normal(0, -1, 0);
vec2 texCoord1(1, 1); vec3 vertex1(-width, -height, -depth);
vec2 texCoord2(0, 1); vec3 vertex2( width, -height, -depth);
vec2 texCoord3(0, 0); vec3 vertex3( width, -height, depth);
vec2 texCoord4(1, 0); vec3 vertex4(-width, -height, depth);
//add vertex
Vertex v1; v1.pos = vertex1; v1.texcoord = texCoord1; v1.normal = normal;
Vertex v2; v2.pos = vertex2; v2.texcoord = texCoord2; v2.normal = normal;
Vertex v3; v3.pos = vertex3; v3.texcoord = texCoord3; v3.normal = normal;
Vertex v4; v4.pos = vertex4; v4.texcoord = texCoord4; v4.normal = normal;
vert_list.push_back(v1);
vert_list.push_back(v2);
vert_list.push_back(v3);
vert_list.push_back(v4);
//add index
index_list.push_back(baseIndex + 0);
index_list.push_back(baseIndex + 1);
index_list.push_back(baseIndex + 2);
index_list.push_back(baseIndex + 0);
index_list.push_back(baseIndex + 2);
index_list.push_back(baseIndex + 3);
}
{
// Right face
int baseIndex = vert_list.size();
vec3 normal(1, 0, 0);
vec2 texCoord1(1, 0); vec3 vertex1(width, -height, -depth);
vec2 texCoord2(1, 1); vec3 vertex2(width, height, -depth);
vec2 texCoord3(0, 1); vec3 vertex3(width, height, depth);
vec2 texCoord4(0, 0); vec3 vertex4(width, -height, depth);
//add vertex
Vertex v1; v1.pos = vertex1; v1.texcoord = texCoord1; v1.normal = normal;
Vertex v2; v2.pos = vertex2; v2.texcoord = texCoord2; v2.normal = normal;
Vertex v3; v3.pos = vertex3; v3.texcoord = texCoord3; v3.normal = normal;
Vertex v4; v4.pos = vertex4; v4.texcoord = texCoord4; v4.normal = normal;
vert_list.push_back(v1);
vert_list.push_back(v2);
vert_list.push_back(v3);
vert_list.push_back(v4);
//add index
index_list.push_back(baseIndex + 0);
index_list.push_back(baseIndex + 1);
index_list.push_back(baseIndex + 2);
index_list.push_back(baseIndex + 0);
index_list.push_back(baseIndex + 2);
index_list.push_back(baseIndex + 3);
}
{
// Left Face
int baseIndex = vert_list.size();
vec3 normal(0, -1, 0);
vec2 texCoord1(0, 0); vec3 vertex1(-width, -height, -depth);
vec2 texCoord2(1, 0); vec3 vertex2(-width, -height, depth);
vec2 texCoord3(1, 1); vec3 vertex3(-width, height, depth);
vec2 texCoord4(0, 1); vec3 vertex4(-width, height, -depth);
//add vertex
Vertex v1; v1.pos = vertex1; v1.texcoord = texCoord1; v1.normal = normal;
Vertex v2; v2.pos = vertex2; v2.texcoord = texCoord2; v2.normal = normal;
Vertex v3; v3.pos = vertex3; v3.texcoord = texCoord3; v3.normal = normal;
Vertex v4; v4.pos = vertex4; v4.texcoord = texCoord4; v4.normal = normal;
vert_list.push_back(v1);
vert_list.push_back(v2);
vert_list.push_back(v3);
vert_list.push_back(v4);
//add index
index_list.push_back(baseIndex + 0);
index_list.push_back(baseIndex + 1);
index_list.push_back(baseIndex + 2);
index_list.push_back(baseIndex + 0);
index_list.push_back(baseIndex + 2);
index_list.push_back(baseIndex + 3);
}
this->cmd_list_->push_back(cmd);
}
void DeferredRenderer::DrawSpotLight(const Light &light) {
SR_ASSERT(light.type == kLightSpotLight);
}
void StackAllocator::FreeToMarker(Marker marker) {
uchar *marker_ptr = reinterpret_cast<uchar*>(marker);
SR_ASSERT(top_ >= marker_ptr);
top_ = marker_ptr;
}
void DeferredRenderer::SetCommonLightQuadDraw(Shader &shader) {
Device *dev = Device::GetInstance();
RenderState &render_state = dev->render_state();
const mat4 &projection_mat = render_state.GetProjection3D();
const mat4 &view_mat = render_state.view_mat();
const mat4 &model_mat = render_state.model_mat();
mat4 modelview = view_mat * model_mat;
//벡터방향만 잇으면 되니까 이동관련속성은 날리기
for(int i = 0 ; i < 3 ; ++i) {
modelview[3][i] = 0;
}
vec4 viewport(0, 0, render_state.win_width(), render_state.win_height());
float pixels[4][2] = {
{ 0, 0 },
{ viewport[2], 0 },
{ viewport[2], viewport[3] },
{ 0, viewport[3] },
};
vec3 view_vec_list[4];
for(int i = 0 ; i < 4 ; i++) {
vec3 win_coord(pixels[i][0], pixels[i][1], 10);
vec3 obj = glm::unProject(win_coord, modelview, projection_mat, viewport);
vec3 &view_vec = view_vec_list[i];
view_vec = obj;
vec3 cam_pos = MatrixHelper::ViewPos(view_mat);
view_vec -= cam_pos;
view_vec = glm::normalize(view_vec);
mat3 modelview_mat3(modelview);
view_vec = modelview_mat3 * view_vec;
view_vec.z *= -1; //픽셀에서 cam_pos로 들어오는 방향으로 만들기 위해서 z뒤집음
}
//fragment마다 view vector를 계산하기 위해서 계산에 필요한 정보까지 넣기
//4군데만 넣어주면 나머지는 알아서 적절히 보간될것이다
struct LightQuadVertex {
LightQuadVertex(float x, float y, float s, float t, const vec3 &view_vec)
: pos(x, y), texcoord(s, t), view_vec(view_vec) {}
vec2 pos;
vec2 texcoord;
vec3 view_vec;
};
vector<LightQuadVertex> vert_list;
vert_list.push_back(LightQuadVertex(-1, -1, 0, 0, view_vec_list[0]));
vert_list.push_back(LightQuadVertex(1, -1, 1, 0, view_vec_list[1]));
vert_list.push_back(LightQuadVertex(1, 1, 1, 1, view_vec_list[2]));
vert_list.push_back(LightQuadVertex(-1, 1, 0, 1, view_vec_list[3]));
ShaderVariable pos_var = shader.attrib_var(kPositionHandleName);
ShaderVariable texcoord_var = shader.attrib_var(kTexcoordHandleName);
ShaderVariable view_vec_var = shader.attrib_var("a_viewVector");
{
SR_ASSERT(pos_var.location != kInvalidShaderVarLocation);
AttribBindParam param;
param.dim = 2;
param.normalize = false;
param.offset = offsetof(LightQuadVertex, pos);
param.var_type = GL_FLOAT;
param.vert_size = sizeof(LightQuadVertex);
void *ptr = &vert_list[0];
SetAttrib(pos_var, param, (char*)ptr);
}
{
SR_ASSERT(texcoord_var.location != kInvalidShaderVarLocation);
AttribBindParam param;
param.dim = 2;
param.normalize = false;
param.offset = offsetof(LightQuadVertex, texcoord);
param.var_type = GL_FLOAT;
param.vert_size = sizeof(LightQuadVertex);
void *ptr = &vert_list[0];
SetAttrib(texcoord_var, param, (char*)ptr);
}
if(view_vec_var.location != kInvalidShaderVarLocation) {
AttribBindParam param;
param.dim = 3;
param.normalize = true;
param.offset = offsetof(LightQuadVertex, view_vec);
param.var_type = GL_FLOAT;
param.vert_size = sizeof(LightQuadVertex);
void *ptr = &vert_list[0];
SetAttrib(view_vec_var, param, (char*)ptr);
}
shader.DrawArrays(kDrawTriangleFan, vert_list.size());
/*
vector<Vertex2D> vert_list;
vert_list.push_back(CreateVertex2D(-1, -1, 0, 0));
vert_list.push_back(CreateVertex2D(1, -1, 1, 0));
vert_list.push_back(CreateVertex2D(1, 1, 1, 1));
vert_list.push_back(CreateVertex2D(-1, 1, 0, 1));
shader.DrawArrays(kDrawTriangleFan, vert_list);
*/
}
void DeferredRenderer::DrawPointLight(const Light &light) {
SR_ASSERT(light.type == kLightPoint);
Device *dev = Device::GetInstance();
RenderState &render_state = dev->render_state();
//해당위치의 스텐실 버퍼에 원을 그린다. 원으로 빛이 영향을 줄 영역을 결정해서
//depth test를 오래하지 않도록한다
//스텐실 버퍼에 의존하는 방식보다 scissor로 고치는게 성능상 유리할테니
//나중에는 적절히 고치자
//GeometricObject<vec3> sphere_mesh;
//sphere_mesh.SolidSphere(1, 16, 16);
//스텐실을 이용해서 그리면 화면 전체가 아니라
//빛이 영향을 받는 곳에 대해서만 구를 그려서 빛 계산을 하도록하니까
//계산부하를 줄일수잇다
const bool use_stencil = true;
if(use_stencil) {
//3d장면에 렌더링하기. 그래야 빛이 영향줄 구가 제대로 그려진다
render_state.Set3D();
const mat4 &projection = render_state.projection_mat();
const mat4 &view = render_state.view_mat();
mat4 model(1.0f);
model = glm::translate(model, light.pos);
model = glm::scale(model, vec3(light.radius));
mat4 mvp_3d = projection * view * model;
//단색쉐이더로 대충 그리기. 스텐실 버퍼에만 그려지면 됨
//색칠 영역은 스텐실 버퍼니까 적절히 초기화하기
glEnable(GL_STENCIL_TEST);
render_state.ClearBuffer(false, false, true, Color4ub::White());
glColorMask(false, false, false, false);
glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
glStencilFunc(GL_ALWAYS, 0xff, 0xff);
ShaderManager *shader_mgr = dev->shader_mgr();
Shader *const_color_shader = shader_mgr->Get(ShaderManager::kConstColor);
render_state.UseShader(*const_color_shader);
vec4 white(1.0f);
const_color_shader->SetUniformVector(kConstColorHandleName, white);
const_color_shader->SetUniformMatrix(kMVPHandleName, mvp_3d);
//const DrawCmdData<vec3> &draw_cmd = sphere_mesh.cmd_list().at(0);
//const_color_shader->SetVertexList(draw_cmd.vertex_list);
//const_color_shader->DrawElements(draw_cmd.draw_mode, draw_cmd.index_list);
const_color_shader->DrawMeshIgnoreMaterial(&GetSphereMesh());
}
{
//스텐실 영역에 잇는거 진짜로 그리기. 2D로 그리기
//이것을 진행하면서 빛 계산을 수행한다
if(use_stencil) {
glColorMask(true, true, true, true);
glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
glStencilFunc(GL_EQUAL, 0xff, 0xff);
}
//점광원 계산용 쉐이더로 교체
Shader &point_shader = this->point_shader();
render_state.UseShader(point_shader);
//빛 계산에 쓰이는 공용 속성 설정
SetCommonLightUniform(point_shader, light);
const mat4 &view = render_state.view_mat();
const mat4 &model = render_state.model_mat();
vec4 light_pos = model * vec4(light.pos, 1.0f);
light_pos.w = light.radius; //4번쨰를 반지름으로 사용
{
//Draw2DManager *draw_2d_mgr = dev->draw_2d();
//char light_pos_buf[128];
//sprintf(light_pos_buf, "LightPos:%.4f, %.4f, %.4f", light_pos.x, light_pos.y, light_pos.z);
//draw_2d_mgr->AddString(vec2(0, 100), light_pos_buf, Color4ub::Green(), 1.0f);
//DebugDrawManager *draw_3d_mgr = dev->debug_draw_mgr();
//draw_3d_mgr->AddString(light.pos, "Light", Color4ub::Red(), 1.0f);
}
point_shader.SetUniformVector("u_lightPos", light_pos);
//2d로 교체는 렌더링 직전에 수행하자
render_state.Set2D();
SetCommonLightQuadDraw(point_shader);
}
//restore state
if(use_stencil) {
glDisable(GL_STENCIL_TEST);
}
}
bool RPSEvent::operator==(const RPSEvent &o) const
{
SR_ASSERT(o.value != kNone);
SR_ASSERT(this->value != kNone);
return this->value == o.value;
}
