ShaderDepth::ShaderDepth(CL_GraphicContext &gc)
{
CL_ShaderObject vertex_shader(gc, cl_shadertype_vertex, vertex);
if(!vertex_shader.compile())
{
throw CL_Exception(cl_format("Unable to compile vertex shader object: %1", vertex_shader.get_info_log()));
}
CL_ShaderObject fragment_shader(gc, cl_shadertype_fragment, fragment);
if(!fragment_shader.compile())
{
throw CL_Exception(cl_format("Unable to compile fragment shader object: %1", fragment_shader.get_info_log()));
}
program_object = CL_ProgramObject(gc);
program_object.attach(vertex_shader);
program_object.attach(fragment_shader);
program_object.bind_attribute_location(0, "InPosition");
if (!program_object.link())
{
throw CL_Exception(cl_format("Unable to link program object: %1", program_object.get_info_log()));
}
material_updated = false;
material_ambient = CL_Vec4f(0.9f, 0.2f, 0.2f, 1.0f);
}
ShaderColorInstanced::ShaderColorInstanced(CL_GraphicContext &gc)
{
CL_ShaderObject vertex_shader(gc, cl_shadertype_vertex, vertex);
if(!vertex_shader.compile())
{
throw CL_Exception(cl_format("Unable to compile vertex shader object: %1", vertex_shader.get_info_log()));
}
CL_ShaderObject fragment_shader(gc, cl_shadertype_fragment, fragment);
if(!fragment_shader.compile())
{
throw CL_Exception(cl_format("Unable to compile fragment shader object: %1", fragment_shader.get_info_log()));
}
program_object = CL_ProgramObject(gc);
program_object.attach(vertex_shader);
program_object.attach(fragment_shader);
program_object.bind_attribute_location(0, "InPosition");
program_object.bind_attribute_location(1, "InNormal");
if (!program_object.link())
{
throw CL_Exception(cl_format("Unable to link program object: %1", program_object.get_info_log()));
}
material_updated = false;
light_updated = false;
material_shininess = 64.0f;
material_emission = CL_Vec4f(0.0f, 0.0f, 0.0f, 1.0f);
light_vector = CL_Vec4f(0.0f, 0.0f, 1.0f, 0.0f);
light_specular = CL_Vec4f(0.7f, 0.7f, 0.7f, 1.0f);
light_diffuse = CL_Vec4f(0.7f, 0.7f, 0.7f, 1.0f);
}
RenderData() : program_object(create_program(vertex_shader(), fragment_shader()))
{
position_loc = glGetAttribLocation(program_object, "a_position");
tex_coord_loc = glGetAttribLocation(program_object, "a_texCoord");
sampler_loc = glGetUniformLocation(program_object, "s_texture");
matrix_loc = glGetUniformLocation(program_object, "m_texMatrix");
}
std::string Video3DUberShader::_warp_pass_fragment_shader() const
{
std::string fragment_shader(
Resources::lookup_shader(Resources::shaders_uber_shaders_gbuffer_video3d_warp_pass_frag)
);
return fragment_shader;
}
void Projection::render_crosshairs (const Point<>& focus) const
{
if (!crosshairs_VB || !crosshairs_VAO) {
crosshairs_VB.gen();
crosshairs_VAO.gen();
crosshairs_VB.bind (gl::ARRAY_BUFFER);
crosshairs_VAO.bind();
gl::EnableVertexAttribArray (0);
gl::VertexAttribPointer (0, 2, gl::FLOAT, gl::FALSE_, 0, (void*)0);
}
else {
crosshairs_VB.bind (gl::ARRAY_BUFFER);
crosshairs_VAO.bind();
}
if (!crosshairs_program) {
GL::Shader::Vertex vertex_shader (
"layout(location=0) in vec2 pos;\n"
"void main () {\n"
" gl_Position = vec4 (pos, 0.0, 1.0);\n"
"}\n");
GL::Shader::Fragment fragment_shader (
"out vec4 color;\n"
"void main () {\n"
" color = vec4 (0.5, 0.5, 0.0, 1.0);\n"
"}\n");
crosshairs_program.attach (vertex_shader);
crosshairs_program.attach (fragment_shader);
crosshairs_program.link();
}
Point<> F = model_to_screen (focus);
F[0] = std::round (F[0] - x_position()) - 0.5f;
F[1] = std::round (F[1] - y_position()) + 0.5f;
F[0] = 2.0f * F[0] / width() - 1.0f;
F[1] = 2.0f * F[1] / height() - 1.0f;
GLfloat data [] = {
F[0], -1.0f,
F[0], 1.0f,
-1.0f, F[1],
1.0f, F[1]
};
gl::BufferData (gl::ARRAY_BUFFER, sizeof(data), data, gl::STATIC_DRAW);
gl::DepthMask (gl::TRUE_);
gl::Disable (gl::BLEND);
gl::LineWidth (1.0);
crosshairs_program.start();
gl::DrawArrays (gl::LINES, 0, 4);
crosshairs_program.stop();
}
void LightingUberShader::
create(std::set<std::string> const& material_names,
std::vector<LayerMapping const*> const& inputs) {
fshader_factory_ = gua::make_unique<UberShaderFactory>(
ShadingModel::LIGHTING_STAGE, material_names
);
fshader_factory_->add_inputs_to_main_functions(inputs, ShadingModel::GBUFFER_FRAGMENT_STAGE);
UberShader::set_uniform_mapping(fshader_factory_->get_uniform_mapping());
UberShader::set_output_mapping(fshader_factory_->get_output_mapping());
// VERTEX SHADER -------------------------------------------------------------
std::string vertex_shader(
Resources::lookup_shader(Resources::shaders_uber_shaders_lighting_lighting_vert)
);
// FRAGMENT SHADER -----------------------------------------------------------
std::string fragment_shader(
Resources::lookup_shader(Resources::shaders_uber_shaders_lighting_lighting_frag)
);
// input from gbuffer
std::stringstream s;
for (unsigned i(0); i<inputs.size(); ++i)
s << inputs[i]->get_gbuffer_input_definition(ShadingModel::StageID(i+1));
string_utils::replace(fragment_shader, "@input_definition", s.str());
// material specific uniforms
string_utils::replace(fragment_shader, "@uniform_definition",
get_uniform_mapping()->get_uniform_definition());
// outputs
string_utils::replace(fragment_shader, "@output_definition",
get_gbuffer_mapping()->get_gbuffer_output_definition(false, false));
// print material specific methods
string_utils::replace(fragment_shader, "@material_methods",
UberShader::print_material_methods(*fshader_factory_));
// print main switch(es)
string_utils::replace(fragment_shader, "@material_switch",
UberShader::print_material_switch(*fshader_factory_));
auto lighting_program = std::make_shared<ShaderProgram>();
lighting_program->create_from_sources(vertex_shader, fragment_shader);
add_program(lighting_program);
}
ProgramObject StandardPrograms::compile(GraphicContext &gc, const void *vertex_code, int vertex_code_size, const void *fragment_code, int fragment_code_size)
{
ShaderObject vertex_shader(gc, shadertype_vertex, vertex_code, vertex_code_size);
if (!vertex_shader.compile())
throw Exception(string_format("Unable to compile standard vertex shader: %1", vertex_shader.get_info_log()));
ShaderObject fragment_shader(gc, shadertype_fragment, fragment_code, fragment_code_size);
if (!fragment_shader.compile())
throw Exception(string_format("Unable to compile standard fragment shader: %1", fragment_shader.get_info_log()));
ProgramObject program(gc);
program.attach(vertex_shader);
program.attach(fragment_shader);
return program;
}
Program Display::Prepare() {
Program program_;
Shader vertex_shader(GL_VERTEX_SHADER);
Shader fragment_shader(GL_FRAGMENT_SHADER);
vertex_shader.LoadSourceFromFile("Shaders/vertex_shader.glsl");
fragment_shader.LoadSourceFromFile("Shaders/fragment_shader.glsl");
program_.AttachShader(vertex_shader);
program_.AttachShader(fragment_shader);
program_.Link();
program_.Validate();
program_.Use();
return program_;
}
ShaderColorGeometry::ShaderColorGeometry(GraphicContext &gc)
{
ShaderObject vertex_shader(gc, shadertype_vertex, vertex);
if(!vertex_shader.compile())
{
throw Exception(string_format("Unable to compile vertex shader object: %1", vertex_shader.get_info_log()));
}
ShaderObject geometry_shader(gc, shadertype_geometry, geometry);
if(!geometry_shader.compile())
{
throw Exception(string_format("Unable to compile geometry shader object: %1", geometry_shader.get_info_log()));
}
if (!glProgramParameteri)
throw Exception("Geomtry shader is not available");
ShaderObject fragment_shader(gc, shadertype_fragment, fragment);
if(!fragment_shader.compile())
{
throw Exception(string_format("Unable to compile fragment shader object: %1", fragment_shader.get_info_log()));
}
program_object = ProgramObject(gc);
program_object.attach(vertex_shader);
program_object.attach(geometry_shader);
program_object.attach(fragment_shader);
program_object.bind_attribute_location(0, "InPosition");
program_object.bind_attribute_location(1, "InColor");
program_object.bind_frag_data_location(0, "cl_FragColor");
if (!program_object.link())
{
throw Exception(string_format("Unable to link program object: %1", program_object.get_info_log()));
}
program_object.set_uniform1i("Texture0", 0);
gpu_uniforms = clan::UniformVector<ProgramUniforms>(gc, 1);
}
Shader::Shader(GraphicContext &gc)
{
ShaderLanguage shader_language = gc.get_shader_language();
ShaderObject vertex_shader(gc, shadertype_vertex, shader_language==shader_glsl ? vertex_glsl : vertex_hlsl);
if(!vertex_shader.compile())
{
std::string log = vertex_shader.get_info_log();
throw Exception(string_format("Unable to compile vertex shader object: %1", log));
}
ShaderObject fragment_shader(gc, shadertype_fragment, shader_language==shader_glsl ? fragment_glsl : fragment_hlsl);
if(!fragment_shader.compile())
{
std::string log = fragment_shader.get_info_log();
throw Exception(string_format("Unable to compile fragment shader object: %1", log));
}
program_object = ProgramObject(gc);
program_object.attach(vertex_shader);
program_object.attach(fragment_shader);
program_object.bind_attribute_location(0, "InPosition");
program_object.bind_attribute_location(1, "InNormal");
program_object.bind_attribute_location(2, "InMaterialAmbient");
program_object.bind_frag_data_location(0, "cl_FragColor");
if (!program_object.link())
{
throw Exception(string_format("Unable to link program object: %1", program_object.get_info_log()));
}
program_object.set_uniform_buffer_index("ProgramUniforms", 0);
gpu_uniforms = clan::UniformVector<ProgramUniforms>(gc, 1);
uniforms.LightAmbient = Vec4f(0.2f, 0.2f, 0.2f, 1.0f);
uniforms.LightVector = Vec3f(0.0f, 0.0f, -1.0f);
uniforms.LightDiffuse = Vec4f(0.7f, 0.7f, 0.7f, 1.0f);
}
Shader::Shader(CL_GraphicContext &gc)
{
CL_ShaderObject vertex_shader(gc, cl_shadertype_vertex, vertex);
if(!vertex_shader.compile())
{
throw CL_Exception(cl_format("Unable to compile vertex shader object: %1", vertex_shader.get_info_log()));
}
CL_ShaderObject fragment_shader(gc, cl_shadertype_fragment, fragment);
if(!fragment_shader.compile())
{
throw CL_Exception(cl_format("Unable to compile fragment shader object: %1", fragment_shader.get_info_log()));
}
program_object = CL_ProgramObject(gc);
program_object.attach(vertex_shader);
program_object.attach(fragment_shader);
program_object.bind_attribute_location(cl_attrib_position, "InPosition");
program_object.bind_attribute_location(cl_attrib_normal, "InNormal");
program_object.bind_attribute_location(cl_attrib_color, "InMaterialAmbient");
program_object.bind_attribute_location(cl_attrib_texture_position, "InTextureCoords");
if (!program_object.link())
{
throw CL_Exception(cl_format("Unable to link program object: %1", program_object.get_info_log()));
}
material_shininess = 64.0f;
material_emission = CL_Vec4f(0.0f, 0.0f, 0.0f, 1.0f);
material_specular = CL_Vec4f(0.0f, 0.0f, 0.0f, 1.0f);
light_position = CL_Vec3f(0.0f, 0.0f, 1.0f);
light_specular = CL_Vec4f(0.7f, 0.7f, 0.7f, 1.0f);
light_diffuse = CL_Vec4f(0.7f, 0.7f, 0.7f, 1.0f);
}
std::string Video3DUberShader::_blend_pass_fragment_shader() const
{
std::string fragment_shader(
Resources::lookup_shader(Resources::shaders_uber_shaders_gbuffer_video3d_blend_pass_frag)
);
std::string apply_video_color = fshader_factory_->get_output_mapping().get_output_string(default_video_material_name(), "gua_video_output_color");
apply_video_color += " = output_color;\n";
std::string apply_video_normal = fshader_factory_->get_output_mapping().get_output_string(default_video_material_name(), "gua_normal");
apply_video_normal += " = output_normal;\n";
string_utils::replace(fragment_shader, "@apply_video3d_color", apply_video_color);
string_utils::replace(fragment_shader, "@apply_video3d_normal", apply_video_normal);
// input from vertex shader
string_utils::replace(fragment_shader, "@input_definition",
vshader_factory_->get_output_mapping().get_gbuffer_output_definition(true, true));
// material specific uniforms
string_utils::replace(fragment_shader, "@uniform_definition",
get_uniform_mapping()->get_uniform_definition());
// outputs
string_utils::replace(fragment_shader, "@output_definition",
get_gbuffer_mapping()->get_gbuffer_output_definition(false, false));
// print material specific methods
string_utils::replace(fragment_shader, "@material_methods",
UberShader::print_material_methods(*fshader_factory_));
// print main switch(es)
string_utils::replace(fragment_shader, "@material_switch",
UberShader::print_material_switch(*fshader_factory_));
return fragment_shader;
}
// The start of the Application
int App::start(const std::vector<std::string> &args)
{
clan::DisplayWindowDescription win_desc;
//win_desc.set_version(3, 2, false);
win_desc.set_allow_resize(true);
win_desc.set_title("Point Sprite Example");
win_desc.set_size(clan::Size( 800, 480 ), false);
clan::DisplayWindow window(win_desc);
clan::SlotContainer cc;
cc.connect(window.sig_window_close(), clan::bind_member(this, &App::on_window_close));
cc.connect(window.get_ic().get_keyboard().sig_key_up(), clan::bind_member(this, &App::on_input_up));
std::string theme;
if (clan::FileHelp::file_exists("../../../Resources/GUIThemeAero/theme.css"))
theme = "../../../Resources/GUIThemeAero";
else if (clan::FileHelp::file_exists("../../../Resources/GUIThemeBasic/theme.css"))
theme = "../../../Resources/GUIThemeBasic";
else
throw clan::Exception("No themes found");
clan::GUIWindowManagerTexture wm(window);
clan::GUIManager gui(wm, theme);
clan::Canvas canvas(window);
// Deleted automatically by the GUI
Options *options = new Options(gui, clan::Rect(0, 0, canvas.get_size()));
clan::Image image_grid(canvas, "../Blend/Resources/grid.png");
clan::Texture2D texture_particle(canvas, "Resources/particle.png");
float grid_width = (float) image_grid.get_width();
float grid_height = (float) image_grid.get_height();
grid_space = (float) (image_grid.get_width());
setup_particles();
clan::ShaderObject vertex_shader(canvas, clan::shadertype_vertex, text_shader_vertex);
if(!vertex_shader.compile())
{
throw clan::Exception(clan::string_format("Unable to compile vertex shader object: %1", vertex_shader.get_info_log()));
}
clan::ShaderObject fragment_shader(canvas, clan::shadertype_fragment, text_shader_fragment);
if(!fragment_shader.compile())
{
throw clan::Exception(clan::string_format("Unable to compile fragment shader object: %1", fragment_shader.get_info_log()));
}
clan::ProgramObject program_object(canvas);
program_object.attach(vertex_shader);
program_object.attach(fragment_shader);
program_object.bind_attribute_location(0, "InPosition");
program_object.bind_attribute_location(1, "InColor");
if (!program_object.link())
{
throw clan::Exception(clan::string_format("Unable to link program object: %1", program_object.get_info_log()));
}
program_object.set_uniform1i("Texture0", 0);
options->request_repaint();
clan::BlendStateDescription blend_state_desc;
blend_state_desc.enable_blending(true);
blend_state_desc.set_blend_function(clan::blend_src_alpha, clan::blend_one, clan::blend_src_alpha, clan::blend_one);
clan::BlendState blend_state(canvas, blend_state_desc);
clan::GameTime game_time;
while (!quit)
{
game_time.update();
wm.process();
wm.draw_windows(canvas);
int num_particles = options->num_particles;
if (num_particles > max_particles)
num_particles = max_particles;
move_particles(game_time.get_time_elapsed(), num_particles);
const float grid_xpos = 10.0f;
const float grid_ypos = 10.0f;
// Draw the grid
image_grid.draw(canvas, grid_xpos, grid_ypos);
if (num_particles > 0)
{
std::vector<clan::Vec2f> positions;
std::vector<clan::Colorf> colors;
positions.resize(num_particles);
colors.resize(num_particles);
for (int cnt=0; cnt<num_particles; cnt++)
{
positions[cnt] = clan::Vec2f(grid_xpos + particles[cnt].xpos, grid_ypos + particles[cnt].ypos);
switch (cnt % 3)
{
case 0:
colors[cnt] = clan::Colorf(1.0f, 0.0f, 0.0f, 1.0f);
break;
case 1:
colors[cnt] = clan::Colorf(0.0f, 1.0f, 0.0f, 1.0f);
break;
case 2:
colors[cnt] = clan::Colorf(0.0f, 0.0f, 1.0f, 1.0f);
break;
}
};
canvas.flush();
clan::GraphicContext gc = canvas.get_gc();
canvas.set_blend_state(blend_state);
clan::RasterizerStateDescription raster_state_desc;
raster_state_desc.set_point_size(options->point_size);
raster_state_desc.set_point_sprite_origin(clan::origin_upper_left);
clan::RasterizerState raster_state(canvas, raster_state_desc);
canvas.set_rasterizer_state(raster_state);
clan::PrimitivesArray primarray(gc);
clan::VertexArrayVector<clan::Vec2f> gpu_positions = clan::VertexArrayVector<clan::Vec2f>(gc, &positions[0], positions.size());
clan::VertexArrayVector<clan::Colorf> gpu_colors = clan::VertexArrayVector<clan::Colorf>(gc, &colors[0], colors.size());
primarray.set_attributes(0, gpu_positions);
primarray.set_attributes(1, gpu_colors);
ProgramUniforms buffer;
buffer.cl_ModelViewProjectionMatrix = canvas.get_projection() * canvas.get_modelview();
clan::UniformVector<ProgramUniforms> uniform_vector(gc, &buffer, 1);
gc.set_uniform_buffer(0, uniform_vector);
gc.set_texture(0, texture_particle);
gc.set_program_object(program_object);
gc.draw_primitives(clan::type_points, num_particles, primarray);
gc.reset_program_object();
gc.reset_texture(0);
gc.reset_blend_state();
gc.reset_rasterizer_state();
}
window.flip(1);
clan::KeepAlive::process();
}
return 0;
}
App::App()
{
clan::OpenGLTarget::enable();
clan::DisplayWindowDescription win_desc;
//win_desc.set_version(3, 2, false);
win_desc.set_allow_resize(true);
win_desc.set_title("Point Sprite Example");
win_desc.set_size(clan::Size( 900, 480 ), false);
window = clan::DisplayWindow(win_desc);
sc.connect(window.sig_window_close(), clan::bind_member(this, &App::on_window_close));
sc.connect(window.get_ic().get_keyboard().sig_key_up(), clan::bind_member(this, &App::on_input_up));
canvas = clan::Canvas(window);
clan::FileResourceDocument doc(clan::FileSystem("../../ThemeAero"));
clan::ResourceManager resources = clan::FileResourceManager::create(doc);
ui_thread = clan::UIThread(resources);
options = std::make_shared<Options>(canvas);
options->set_event_window(window);
options->set_cursor_window(window);
image_grid = clan::Image(canvas, "../Blend/Resources/grid.png");
texture_particle = clan::Texture2D(canvas, "Resources/particle.png");
float grid_width = (float) image_grid.get_width();
float grid_height = (float) image_grid.get_height();
grid_space = (float) (image_grid.get_width());
setup_particles();
clan::ShaderObject vertex_shader(canvas, clan::shadertype_vertex, text_shader_vertex);
if(!vertex_shader.compile())
{
throw clan::Exception(clan::string_format("Unable to compile vertex shader object: %1", vertex_shader.get_info_log()));
}
clan::ShaderObject fragment_shader(canvas, clan::shadertype_fragment, text_shader_fragment);
if(!fragment_shader.compile())
{
throw clan::Exception(clan::string_format("Unable to compile fragment shader object: %1", fragment_shader.get_info_log()));
}
program_object = clan::ProgramObject(canvas);
program_object.attach(vertex_shader);
program_object.attach(fragment_shader);
program_object.bind_attribute_location(0, "InPosition");
program_object.bind_attribute_location(1, "InColor");
if (!program_object.link())
{
throw clan::Exception(clan::string_format("Unable to link program object: %1", program_object.get_info_log()));
}
program_object.set_uniform1i("Texture0", 0);
clan::BlendStateDescription blend_state_desc;
blend_state_desc.enable_blending(true);
blend_state_desc.set_blend_function(clan::blend_src_alpha, clan::blend_one, clan::blend_src_alpha, clan::blend_one);
blend_state = clan::BlendState(canvas, blend_state_desc);
game_time.reset();
}
void ShaderEffect_Impl::create_shaders(GraphicContext &gc, const ShaderEffectDescription_Impl *description)
{
std::string vertex_shader_code = add_defines(gc, description->vertex_shader_code, description);
std::string fragment_shader_code = add_defines(gc, description->fragment_shader_code, description);
std::string compute_shader_code = add_defines(gc, description->compute_shader_code, description);
if (!vertex_shader_code.empty())
{
ShaderObject vertex_shader(gc, shadertype_vertex, vertex_shader_code);
if(!vertex_shader.compile())
throw Exception(string_format("Unable to compile vertex shader: %1", vertex_shader.get_info_log()));
program.attach(vertex_shader);
}
if (!fragment_shader_code.empty())
{
ShaderObject fragment_shader(gc, shadertype_fragment, fragment_shader_code);
if(!fragment_shader.compile())
throw Exception(string_format("Unable to compile fragment shader: %1", fragment_shader.get_info_log()));
program.attach(fragment_shader);
}
if (!compute_shader_code.empty())
{
ShaderObject compute_shader(gc, shadertype_compute, compute_shader_code);
if(!compute_shader.compile())
throw Exception(string_format("Unable to compile compute shader: %1", compute_shader.get_info_log()));
program.attach(compute_shader);
}
int index = 0;
for(const auto & elem : description->attributes)
{
program.bind_attribute_location(index++, elem.first);
}
index = 0;
for(const auto & elem : description->frag_data)
{
program.bind_frag_data_location(index++, elem.first);
}
if (!program.link())
throw Exception(string_format("Link failed: %1", program.get_info_log()));
index = 0;
for(auto it = description->uniform_buffers.begin(); it != description->uniform_buffers.end(); ++it, index++)
{
program.set_uniform_buffer_index(it->first, index);
uniform_bindings[index] = it->second;
}
index = 0;
for(auto it = description->textures.begin(); it != description->textures.end(); ++it, index++)
{
program.set_uniform1i(it->first, index);
texture_bindings[index] = it->second;
}
index = 0;
for(auto it = description->images.begin(); it != description->images.end(); ++it, index++)
{
program.set_uniform1i(it->first, index);
image_bindings[index] = it->second;
}
index = 0;
for(auto it = description->storage_buffers.begin(); it != description->storage_buffers.end(); ++it, index++)
{
program.set_uniform1i(it->first, index);
storage_bindings[index] = it->second;
}
}
int main(int argc, char **argv)
{
if (argc < 2) {
printf("Usage: test_media <video_to_play>\n");
return EXIT_FAILURE;
}
player = android_media_new_player();
if (player == NULL) {
printf("Problem creating new media player.\n");
return EXIT_FAILURE;
}
// Set player event cb for when the video size is known:
android_media_set_video_size_cb(player, set_video_size_cb, NULL);
android_media_set_media_prepared_cb(player, media_prepared_cb, NULL);
printf("Setting data source to: %s.\n", argv[1]);
if (android_media_set_data_source(player, argv[1]) != OK) {
printf("Failed to set data source: %s\n", argv[1]);
return EXIT_FAILURE;
}
printf("Creating EGL surface.\n");
struct ClientWithSurface cs = client_with_surface(true /* Associate surface with egl. */);
if (!cs.surface) {
printf("Problem acquiring surface for preview");
return EXIT_FAILURE;
}
printf("Creating GL texture.\n");
GLuint preview_texture_id;
EGLDisplay disp = sf_client_get_egl_display(cs.client);
EGLSurface surface = sf_surface_get_egl_surface(cs.surface);
sf_surface_make_current(cs.surface);
if (setup_video_texture(&cs, &preview_texture_id) != OK) {
printf("Problem setting up GL texture for video surface.\n");
return EXIT_FAILURE;
}
printf("Starting video playback.\n");
android_media_play(player);
while (android_media_is_playing(player)) {
const GLfloat textureCoordinates[] = {
1.0f, 1.0f,
0.0f, 1.0f,
0.0f, 0.0f,
1.0f, 0.0f
};
android_media_update_surface_texture(player);
calculate_position_coordinates();
gProgram = create_program(vertex_shader(), fragment_shader());
gaPositionHandle = glGetAttribLocation(gProgram, "a_position");
gaTexHandle = glGetAttribLocation(gProgram, "a_texCoord");
gsTextureHandle = glGetUniformLocation(gProgram, "s_texture");
gmTexMatrix = glGetUniformLocation(gProgram, "m_texMatrix");
glClear(GL_COLOR_BUFFER_BIT);
// Use the program object
glUseProgram(gProgram);
// Enable attributes
glEnableVertexAttribArray(gaPositionHandle);
glEnableVertexAttribArray(gaTexHandle);
// Load the vertex position
glVertexAttribPointer(gaPositionHandle,
2,
GL_FLOAT,
GL_FALSE,
0,
positionCoordinates);
// Load the texture coordinate
glVertexAttribPointer(gaTexHandle,
2,
GL_FLOAT,
GL_FALSE,
0,
textureCoordinates);
GLfloat matrix[16];
android_media_surface_texture_get_transformation_matrix(player, matrix);
glUniformMatrix4fv(gmTexMatrix, 1, GL_FALSE, matrix);
glActiveTexture(GL_TEXTURE0);
// Set the sampler texture unit to 0
glUniform1i(gsTextureHandle, 0);
glUniform1i(gmTexMatrix, 0);
android_media_update_surface_texture(player);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
glDisableVertexAttribArray(gaPositionHandle);
glDisableVertexAttribArray(gaTexHandle);
eglSwapBuffers(disp, surface);
}
android_media_stop(player);
return EXIT_SUCCESS;
}
View::View(UAUiWindow* surface)
: surface(surface),
rotation_angle(0.f),
num_vertex(3)
{
// assert(eglBindAPI(EGL_OPENGL_ES_API) == EGL_TRUE);
egl_display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
assert(egl_display != EGL_NO_DISPLAY);
EGLint major, minor;
if (EGL_FALSE == eglInitialize(egl_display, &major, &minor))
{
printf("egl error: problem initializing.\n");
exit(1);
}
EGLint attribs[] =
{
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_NONE
};
EGLint n;
if (EGL_FALSE == eglChooseConfig(
egl_display,
attribs,
&egl_config,
1,
&n))
{
printf("egl error: Cannot choose configuration.\n");
}
EGLint context_attribs[] =
{
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE
};
egl_context = eglCreateContext(
egl_display,
egl_config,
EGL_NO_CONTEXT,
context_attribs);
assert(EGL_NO_CONTEXT != egl_context);
EGLNativeWindowType nativeWindow = ua_ui_window_get_native_type(surface);
egl_surface = eglCreateWindowSurface(egl_display, egl_config, nativeWindow, NULL);
eglMakeCurrent(
egl_display,
egl_surface,
egl_surface,
egl_context);
vertex_data = triangle();
color_data = color_triangle();
gProgram = create_program(vertex_shader(), fragment_shader());
if (!gProgram)
{
printf("error making program\n");
return;
}
gvPositionHandle = glGetAttribLocation(gProgram, "vPosition");
gvColorHandle = glGetAttribLocation(gProgram, "vColor");
rotation_uniform = glGetUniformLocation(gProgram, "angle");
return;
}
// The start of the Application
int App::start(const std::vector<CL_String> &args)
{
CL_OpenGLWindowDescription win_desc;
//win_desc.set_version(3, 2, false);
win_desc.set_allow_resize(true);
win_desc.set_title("Point Sprite Example");
win_desc.set_size(CL_Size( 800, 480 ), false);
CL_DisplayWindow window(win_desc);
CL_Slot slot_quit = window.sig_window_close().connect(this, &App::on_window_close);
CL_Slot slot_input_up = (window.get_ic().get_keyboard()).sig_key_up().connect(this, &App::on_input_up);
CL_String theme;
if (CL_FileHelp::file_exists("../../../Resources/GUIThemeAero/theme.css"))
theme = "../../../Resources/GUIThemeAero";
else if (CL_FileHelp::file_exists("../../../Resources/GUIThemeBasic/theme.css"))
theme = "../../../Resources/GUIThemeBasic";
else
throw CL_Exception("No themes found");
CL_GUIWindowManagerTexture wm(window);
CL_GUIManager gui(wm, theme);
CL_GraphicContext gc = window.get_gc();
// Deleted automatically by the GUI
Options *options = new Options(gui, CL_Rect(0, 0, gc.get_size()));
CL_Image image_grid(gc, "../Blend/Resources/grid.png");
CL_Texture texture_particle(gc, "Resources/particle.png");
float grid_width = (float) image_grid.get_width();
float grid_height = (float) image_grid.get_height();
grid_space = (float) (image_grid.get_width());
setup_particles();
CL_ShaderObject vertex_shader(gc, cl_shadertype_vertex, text_shader_vertex);
if(!vertex_shader.compile())
{
throw CL_Exception(cl_format("Unable to compile vertex shader object: %1", vertex_shader.get_info_log()));
}
CL_ShaderObject fragment_shader(gc, cl_shadertype_fragment, text_shader_fragment);
if(!fragment_shader.compile())
{
throw CL_Exception(cl_format("Unable to compile fragment shader object: %1", fragment_shader.get_info_log()));
}
CL_ProgramObject program_object(gc);
program_object.attach(vertex_shader);
program_object.attach(fragment_shader);
program_object.bind_attribute_location(0, "InPosition");
program_object.bind_attribute_location(1, "InColor");
if (!program_object.link())
{
throw CL_Exception(cl_format("Unable to link program object: %1", program_object.get_info_log()));
}
options->request_repaint();
unsigned int time_last = CL_System::get_time();
while (!quit)
{
unsigned int time_now = CL_System::get_time();
float time_diff = (float) (time_now - time_last);
time_last = time_now;
wm.process();
wm.draw_windows(gc);
int num_particles = options->num_particles;
if (num_particles > max_particles)
num_particles = max_particles;
move_particles(time_diff, num_particles);
const float grid_xpos = 10.0f;
const float grid_ypos = 10.0f;
// Draw the grid
image_grid.draw(gc, grid_xpos, grid_ypos);
if (num_particles > 0)
{
std::vector<CL_Vec2f> positions;
std::vector<CL_Vec4f> colors;
positions.resize(num_particles);
colors.resize(num_particles);
for (int cnt=0; cnt<num_particles; cnt++)
{
positions[cnt] = CL_Vec2f(grid_xpos + particles[cnt].xpos, grid_ypos + particles[cnt].ypos);
switch (cnt % 3)
{
case 0:
colors[cnt] = CL_Vec4f(1.0f, 0.0f, 0.0f, 1.0f);
break;
case 1:
colors[cnt] = CL_Vec4f(0.0f, 1.0f, 0.0f, 1.0f);
break;
case 2:
colors[cnt] = CL_Vec4f(0.0f, 0.0f, 1.0f, 1.0f);
break;
}
};
CL_BlendMode blend;
blend.enable_blending(true);
blend.set_blend_function(cl_blend_src_alpha, cl_blend_one, cl_blend_src_alpha, cl_blend_one);
gc.set_blend_mode(blend);
CL_Pen pen;
pen.enable_point_sprite(true);
pen.set_point_size(options->point_size);
pen.set_point_sprite_origin(cl_point_sprite_origin_upper_left);
gc.set_pen(pen);
program_object.set_uniform1i("Texture0", 0);
gc.set_texture(0, texture_particle);
CL_PrimitivesArray prim_array(gc);
prim_array.set_attributes(0, &positions[0]);
prim_array.set_attributes(1, &colors[0]);
gc.set_program_object(program_object);
gc.draw_primitives(cl_points, num_particles, prim_array);
gc.reset_program_object();
gc.reset_texture(0);
gc.reset_blend_mode();
gc.reset_pen();
}
window.flip(1);
CL_KeepAlive::process();
}
return 0;
}
