int renderer_init_shaders(struct renderer *r)
{
if (
init_shader(
&r->geom,
"shader/geom_vert.glsl",
"shader/geom_frag.glsl"
) < 0
)
{
fprintf(stderr, "Error initializing geometry shader\n");
return -1;
}
if (
init_shader(
&r->null,
"shader/null_vert.glsl",
"shader/null_frag.glsl"
) < 0
)
{
fprintf(stderr, "Error initializing null shader\n");
return -1;
}
if (
init_shader(
&r->light,
"shader/light_vert.glsl",
"shader/light_frag.glsl"
) < 0
)
{
fprintf(stderr, "Error initializing light shader\n");
return -1;
}
if (
init_shader(
&r->negative,
"shader/postprocess_vert.glsl",
"shader/negative_frag.glsl"
) < 0
)
{
fprintf(stderr, "Error initializing negative shader\n");
return -1;
}
if (
init_shader(
&r->textured,
"shader/postprocess_vert.glsl",
"shader/textured_frag.glsl"
) < 0
)
{
fprintf(stderr, "Error initializing textured shader\n");
return -1;
}
return 0;
}
void Tiles::_initGlProgram(void)
{
const char *const vert_shader_code =
"#version 410 core\n"
"layout (location = 0) in vec2 pos;\n"
"layout (location = 1) in vec3 col;\n"
"out co { vec3 col;} vs_out;"
"void main() { vs_out.col = col;"
"gl_Position = vec4(pos, 0.f, 1.f); }\n";
const char *const frag_shader_code =
"#version 410 core\n"
"in co { vec3 col;} fs_in;"
"out vec4 color;\n"
"void main() { color = vec4(fs_in.col, 1.f); }\n";
unsigned int vs;
unsigned int fs;
int status;
if ((_p = glCreateProgram()) == 0)
throw std::domain_error("Cannot create program");
vs = init_shader(GL_VERTEX_SHADER, vert_shader_code);
fs = init_shader(GL_FRAGMENT_SHADER, frag_shader_code);
glAttachShader(_p, vs);
glAttachShader(_p, fs);
glLinkProgram(_p);
glDeleteShader(vs);
glDeleteShader(fs);
glGetProgramiv(_p, GL_LINK_STATUS, &status);
if (status == 0)
{
glDeleteProgram(_p);
throw std::domain_error("Error while linking shaders");
}
return ;
}
static void init_shader_program()
{
GLuint vertex_shader, fragment_shader;
GLint program_ok;
vertex_shader = init_shader(GL_VERTEX_SHADER, "shaders/vertex.glsl");
fragment_shader = init_shader(GL_FRAGMENT_SHADER, "shaders/fragment.glsl");
if (vertex_shader == 0 || fragment_shader == 0) {
Log("Could not init shaders\n");
}
program = glCreateProgram();
glAttachShader(program, vertex_shader);
glAttachShader(program, fragment_shader);
glLinkProgram(program);
glGetProgramiv(program, GL_LINK_STATUS, &program_ok);
if (!program_ok) {
Log("Failed to link shader program.");
Log("Vertex shader log: %s", get_shader_log(vertex_shader));
Log("Fragment shader log: %s", get_shader_log(fragment_shader));
Engine_print_program_log();
glDeleteProgram(program);
}
glUseProgram(program);
}
static DFBBoolean
init_program(GLuint prog_obj,
char *vert_prog_name, const char *vert_prog_src,
char *frag_prog_name, const char *frag_prog_src,
DFBBoolean texcoords)
{
char *log;
GLint status, log_length, char_count;
if (!init_shader(prog_obj, vert_prog_src, GL_VERTEX_SHADER)) {
D_ERROR("GLES2/Driver: %s failed to compile!\n", vert_prog_name);
return DFB_FALSE;
}
if (!init_shader(prog_obj, frag_prog_src, GL_FRAGMENT_SHADER)) {
D_ERROR("GLES2/Driver: %s failed to compile!\n", frag_prog_name);
return DFB_FALSE;
}
// Bind vertex positions to "dfbPos" vertex attribute slot.
glBindAttribLocation(prog_obj, GLES2VA_POSITIONS, "dfbPos");
if (texcoords)
// Bind vertex texture coords to "dfbUV" vertex attribute slot.
glBindAttribLocation(prog_obj, GLES2VA_TEXCOORDS, "dfbUV");
// Link the program object and check for errors.
glLinkProgram(prog_obj);
glValidateProgram(prog_obj);
glGetProgramiv(prog_obj, GL_LINK_STATUS, &status);
if (status) {
// Don't need the shader objects anymore.
GLuint shaders[2];
GLsizei shader_count;
glGetAttachedShaders(prog_obj, 2, &shader_count, shaders);
glDetachShader(prog_obj, shaders[0]);
glDetachShader(prog_obj, shaders[1]);
return DFB_TRUE;
}
else {
// Report errors. Shader objects detached when program is deleted.
glGetProgramiv(prog_obj, GL_INFO_LOG_LENGTH, &log_length);
log = D_MALLOC(log_length);
glGetProgramInfoLog(prog_obj, log_length, &char_count, log);
D_ERROR("GLES2/Driver: shader program link failure:\n%s\n", log);
D_FREE(log);
return DFB_FALSE;
}
glUseProgram( prog_obj );
}
Painter::Painter(const vec3& light_pos)
{
// Initialize shader
wire_shader = init_shader("shaders/gouraud.vert", "shaders/wire.frag", "fragColour", "shaders/wire.geom");
line_shader = init_shader("shaders/line.vert", "shaders/line.frag", "fragColour", "shaders/line.geom");
gouraud_shader = init_shader("shaders/gouraud.vert", "shaders/gouraud.frag", "fragColour");
// Send light position uniform to the shader
glUseProgram(gouraud_shader);
CGLA::Vec3f lp(light_pos);
GLuint lightPosUniform = glGetUniformLocation(gouraud_shader, "lightPos");
if (lightPosUniform == NULL_LOCATION) {
std::cerr << "Shader did not contain the 'lightPos' uniform."<<std::endl;
}
glUniform3fv(lightPosUniform, 1, &lp[0]);
glUseProgram(wire_shader);
lightPosUniform = glGetUniformLocation(wire_shader, "lightPos");
if (lightPosUniform == NULL_LOCATION) {
std::cerr << "Shader did not contain the 'lightPos' uniform."<<std::endl;
}
glUniform3fv(lightPosUniform, 1, &lp[0]);
CGLA::Vec4f wire_col(0.25,0.5,0.6, 1.);
GLuint wireColUniform = glGetUniformLocation(wire_shader, "wireCol");
if (wireColUniform == NULL_LOCATION) {
std::cerr << "Shader did not contain the 'wireCol' uniform."<<std::endl;
}
glUniform4fv(wireColUniform, 1, &wire_col[0]);
check_gl_error();
interface = std::unique_ptr<GLObject>(new GLObject(gouraud_shader, {0.15f,0.4f,0.5f, 1.f}, {0.2f, 0.3f, 0.4f, 1.f}, {0.2f, 0.3f, 0.4f, 1.f}));
wire_frame = std::unique_ptr<GLObject>(new GLObject(wire_shader, {0.15f,0.4f,0.5f, 1.f}, {0.2f, 0.3f, 0.4f, 1.f}, {0.2f, 0.3f, 0.4f, 1.f}));
domain = std::unique_ptr<GLObject>(new GLObject(gouraud_shader, {0.1f, 0.1f, 0.3f, 1.f}, {0.2f, 0.2f, 0.3f, 1.f}, {0.f, 0.f, 0.f, 1.f}));
low_quality = std::unique_ptr<GLObject>(new GLObject(gouraud_shader, {0.3f, 0.1f, 0.1f, 0.1f}, {0.6f, 0.4f, 0.4f, 0.2f}, {0.f, 0.f, 0.f, 0.f}));
edges = std::unique_ptr<GLObject>(new GLObject(line_shader, {0.f,0.f,0.f, 1.f}, {0.f, 0.f, 0.f, 0.f}, {0.f, 0.f, 0.f, 0.f}));
unmoved = std::unique_ptr<GLObject>(new GLObject(line_shader, {0.2f, 0.2f, 0.7f, 1.f}, {0.f, 0.f, 0.f, 0.f}, {0.f, 0.f, 0.f, 0.f}));
// Enable states
glEnable(GL_DEPTH_TEST);
glDepthMask(GL_TRUE);
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glEnable(GL_BLEND);
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
check_gl_error();
}
bool ZZshStartUsingShaders() {
ZZLog::Error_Log("Creating effects.");
B_G(LoadEffects(), return false);
if (!glCreateShader)
{
ZZLog::Error_Log("GLSL shaders is not supported, stop.");
return false;
}
init_shader();
// create a sample shader
clampInfo temp;
memset(&temp, 0, sizeof(temp));
temp.wms = 3; temp.wmt = 3;
// test
bool bFailed;
FRAGMENTSHADER* pfrag = ZZshLoadShadeEffect(0, 1, 1, 1, 1, temp, 0, &bFailed);
if( bFailed || pfrag == NULL ) {
return false;
ZZLog::Error_Log("Shader test failed.");
}
ZZLog::Error_Log("Creating extra effects.");
B_G(ZZshLoadExtraEffects(), return false);
return true;
}
void Plane::init()
{
init_shader();
init_buffer();
init_vertexArray();
init_texture();
}
void Torus::Init()
{
init_buffer();
init_vertexArray();
init_shader();
init_texture();
}
void Cube::Init(ID3D11Device *pD3D11Device, ID3D11DeviceContext *pD3D11DeviceContext, HWND hWnd)
{
init_buffer(pD3D11Device, pD3D11DeviceContext);
init_shader(pD3D11Device, hWnd);
init_texture(pD3D11Device);
}
Shader* create_shader_from_filename(const std::string& filename) {
std::vector<ShaderStage*> shader_list;
{
FileData file = load_file(filename + ".vert");
shader_list.push_back(new ShaderStage(compile_shader(GL_VERTEX_SHADER, filename.c_str(), file.data())));
}
{
FileData file = load_file(filename + ".frag");
shader_list.push_back(new ShaderStage(compile_shader(GL_FRAGMENT_SHADER, filename.c_str(), file.data())));
}
for(ShaderStage* s : shader_list) {
if(s->resource == 0) {
std::for_each(shader_list.begin(), shader_list.end(), free_shaderstage);
return nullptr;
}
}
GLuint resource = link_program(filename.c_str(), shader_list);
std::for_each(shader_list.begin(), shader_list.end(), free_shaderstage);
if(resource == 0) return nullptr;
Shader* shader = new Shader();
shader->resource = resource;
init_shader(shader);
return shader;
}
void Triangle::init()
{
init_shader();
init_buffer();
init_vertexArray();
}
application()
: _program (),
_cube (0, -1, 2, 1),
_trackball(new gpucast::gl::trackball),
_cubemap (new gpucast::gl::cubemap)
{
init_shader();
gpucast::gl::glutwindow::instance().add_eventhandler(_trackball);
// bind draw loop
std::function<void()> dcb = std::bind(&application::draw, std::ref(*this));
gpucast::gl::glutwindow::instance().set_drawfunction(std::make_shared<std::function<void()>>(dcb));
glEnable(GL_DEPTH_TEST);
_cubemap->load( "./panorama_negative_x.jpg",
"./panorama_positive_x.jpg",
"./panorama_negative_y.jpg",
"./panorama_positive_y.jpg",
"./panorama_negative_z.jpg",
"./panorama_positive_z.jpg");
_cubemap->parameter(GL_TEXTURE_MIN_FILTER, GL_LINEAR);
_cubemap->parameter(GL_TEXTURE_MAG_FILTER, GL_LINEAR);
}
void Rectangle::Init()
{
init_buffer();
init_vertexArray();
init_shader();
init_texture();
}
void init()
{
init_shader();
float lpos[4] = {1, 0.5 , 1 ,0};
glLightfv(GL_LIGHT0, GL_POSITION, lpos);
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
}
void init()
{
glClearColor(0.0f, 0.0f, 0.4f, 0.0f);
init_shader();
init_buffer();
init_vertexArray();
}
void TriangleApp::init()
{
init_shader();
init_buffer();
init_vertexArray();
init_texture();
init_windowInfo();
}
void Cube::init()
{
init_viewport();
init_shader();
init_buffer();
init_vertexArray();
}
void Instance::Init()
{
init_buffer();
init_vertexArray();
init_shader();
}
void Asteroid::init()
{
m_LightGui.v_init();
m_RotationGui.v_init();
init_buffer();
init_shader();
}
void DebugWindow::Init(int depthWidth, int depthHeight)
{
glViewport(0, 0, depthWidth, depthHeight);
init_buffer();
init_vertexArray();
init_shader();
}
void Scene::Init()
{
init_buffer();
init_vertexArray();
init_shader();
init_texture();
oglDebug.Debug();
}
void shadowmapping_app::v_Init()
{
init_shader();
int i;
static const char * const object_names[] =
{
"../../../media/objects/dragon.sbm",
"../../../media/objects/sphere.sbm",
"../../../media/objects/cube.sbm",
"../../../media/objects/cube.sbm",
"../../../media/objects/cube.sbm",
};
static const vmath::vec4 object_colors[] =
{
vmath::vec4(1.0f, 0.7f, 0.8f, 1.0f),
vmath::vec4(0.7f, 0.8f, 1.0f, 1.0f),
vmath::vec4(0.3f, 0.9f, 0.4f, 1.0f),
vmath::vec4(0.6f, 0.4f, 0.9f, 1.0f),
vmath::vec4(0.8f, 0.2f, 0.1f, 1.0f),
};
for (i = 0; i < OBJECT_COUNT; i++)
{
objects[i].obj.load(object_names[i]);
objects[i].diffuse_albedo = object_colors[i];
}
glGenFramebuffers(1, &depth_fbo);
glBindFramebuffer(GL_FRAMEBUFFER, depth_fbo);
glGenTextures(1, &depth_tex);
glBindTexture(GL_TEXTURE_2D, depth_tex);
glTexStorage2D(GL_TEXTURE_2D, 11, GL_DEPTH_COMPONENT32F, FBO_SIZE, FBO_SIZE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glGenTextures(1, &color_tex);
glBindTexture(GL_TEXTURE_2D, color_tex);
glTexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA32F, FBO_SIZE, FBO_SIZE);
glGenTextures(1, &temp_tex);
glBindTexture(GL_TEXTURE_2D, temp_tex);
glTexStorage2D(GL_TEXTURE_2D, 1, GL_RGBA32F, FBO_SIZE, FBO_SIZE);
glFramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, depth_tex, 0);
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, color_tex, 0);
glBindTexture(GL_TEXTURE_2D, 0);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glEnable(GL_DEPTH_TEST);
glGenVertexArrays(1, &quad_vao);
glBindVertexArray(quad_vao);
}
void Plane::init()
{
m_LightGUI.v_init();
init_buffer();
init_vertexArray();
init_shader();
init_texture();
}
void Clip::init()
{
glEnable(GL_DEPTH_TEST);
glEnable(GL_CLIP_DISTANCE0);
glEnable(GL_CLIP_DISTANCE1);
init_buffer();
init_vertexArray();
init_shader();
}
void Scene::Init(int sw, int sh)
{
glEnable(GL_CULL_FACE);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
m_Aspect = static_cast<GLfloat>(sw) / sh;
init_buffer();
init_shader();
}
void initialize()
{
void *host_addr = memalign(1024*1024,HOST_SIZE);
void *main_addr = (void*)((u64)host_addr + CB_SIZE);
init_spu();
init_screen(host_addr,HOST_SIZE);
init_shader();
init_texture();
init_memory(main_addr,(HOST_SIZE - CB_SIZE));
}
void init_draw_model()
{
load_model();
init_shader();
init_texture();
const static unsigned int stride = sizeof(struct Vertex);
glGenBuffers(1, &monster_vbo);
glBindBuffer(GL_ARRAY_BUFFER, monster_vbo);
glBufferData(GL_ARRAY_BUFFER, v_num*stride, v_array, GL_STATIC_DRAW);
}
Shader* create_shader(const char* name, const std::vector<ShaderStage*>& stages) {
GLuint resource = link_program(name, stages);
if(resource == 0) return nullptr;
Shader* shader = new Shader();
shader->resource = resource;
init_shader(shader);
return shader;
}
int main(int argc,const char *argv[])
{
s32 ret,i;
padInfo padinfo;
padData paddata;
void *host_addr = memalign(1024*1024,HOST_SIZE);
printf("rsxtest started...\n");
init_screen(host_addr,HOST_SIZE);
ioPadInit(7);
init_shader();
init_texture();
sphere = createSphere(3.0f,32,32);
donut = createDonut(3.0f,1.5f,32,32);
cube = createCube(5.0f);
ret = atexit(program_exit_callback);
ret = sysUtilRegisterCallback(0,sysutil_exit_callback,NULL);
P = transpose(Matrix4::perspective(DEGTORAD(45.0f),aspect_ratio,1.0f,3000.0f));
setTexture();
setDrawEnv();
setRenderTarget(curr_fb);
running = 1;
while(running) {
ret = sysUtilCheckCallback();
ioPadGetInfo(&padinfo);
for(i=0; i<MAX_PADS; i++){
if(padinfo.status[i]){
ioPadGetData(i, &paddata);
if(paddata.BTN_CROSS){
return 0;
}
}
}
drawFrame();
flip();
}
return 0;
}
application()
: _program (),
_cube (0, -1, 2, 1),
_trackball(new gpucast::gl::trackball),
_view_ubo(new gpucast::gl::uniformbuffer)
{
init_shader();
gpucast::gl::glutwindow::instance().add_eventhandler(_trackball);
// bind draw loop
std::function<void()> dcb = std::bind(&application::draw, std::ref(*this));
gpucast::gl::glutwindow::instance().set_drawfunction(std::make_shared<std::function<void()>>(dcb));
_view_ubo->bufferdata(sizeof(matrix_layout), 0, GL_DYNAMIC_DRAW);
glEnable(GL_DEPTH_TEST);
}
