本文整理汇总了C++中Context::ClearStencil方法的典型用法代码示例。如果您正苦于以下问题：C++ Context::ClearStencil方法的具体用法？C++ Context::ClearStencil怎么用？C++ Context::ClearStencil使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Context的用法示例。
在下文中一共展示了Context::ClearStencil方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: attr
//.........这里部分代码省略.........
"out vec4 fragColor;"
"void main(void)"
"{"
" fragColor = vec4("
" 0.5, 0.4, 0.3,"
" pow(geomAlpha, 2.0)"
" );"
"}"
);
fs_halo.Compile();
halo_prog.AttachShader(vs_halo);
halo_prog.AttachShader(gs_halo);
halo_prog.AttachShader(fs_halo);
halo_prog.Link();
// bind the VAO for the shape
shape.Bind();
// bind the VBO for the shape vertices
shape_verts.Bind(Buffer::Target::Array);
{
std::vector<GLfloat> data;
GLuint n_per_vertex = make_shape.Positions(data);
Buffer::Data(Buffer::Target::Array, data);
VertexAttribSlot location;
if(VertexArrayAttrib::QueryCommonLocation(
MakeGroup(shape_prog, halo_prog),
"Position",
location
))
{
VertexArrayAttrib attr(location);
attr.Setup<GLfloat>(n_per_vertex);
attr.Enable();
}
else OGLPLUS_ABORT("Inconsistent 'Position' location");
}
// bind the VBO for the shape normals
shape_normals.Bind(Buffer::Target::Array);
{
std::vector<GLfloat> data;
GLuint n_per_vertex = make_shape.Normals(data);
Buffer::Data(Buffer::Target::Array, data);
shape_prog.Use();
VertexArrayAttrib attr(shape_prog, "Normal");
attr.Setup<GLfloat>(n_per_vertex);
attr.Enable();
}
// bind the VAO for the plane
plane.Bind();
// bind the VBO for the plane vertices
plane_verts.Bind(Buffer::Target::Array);
{
GLfloat data[4*3] = {
-9.0f, 0.0f, 9.0f,
-9.0f, 0.0f, -9.0f,
9.0f, 0.0f, 9.0f,
9.0f, 0.0f, -9.0f
};
Buffer::Data(Buffer::Target::Array, 4*3, data);
plane_prog.Use();
VertexArrayAttrib attr(plane_prog, "Position");
attr.Setup<Vec3f>();
attr.Enable();
}
// bind the VBO for the plane normals
plane_normals.Bind(Buffer::Target::Array);
{
GLfloat data[4*3] = {
-0.1f, 1.0f, 0.1f,
-0.1f, 1.0f, -0.1f,
0.1f, 1.0f, 0.1f,
0.1f, 1.0f, -0.1f
};
Buffer::Data(Buffer::Target::Array, 4*3, data);
plane_prog.Use();
VertexArrayAttrib attr(plane_prog, "Normal");
attr.Setup<Vec3f>();
attr.Enable();
}
Vec3f lightPos(2.0f, 2.5f, 9.0f);
ProgramUniform<Vec3f>(shape_prog, "LightPos").Set(lightPos);
ProgramUniform<Vec3f>(plane_prog, "LightPos").Set(lightPos);
gl.ClearColor(0.2f, 0.2f, 0.2f, 0.0f);
gl.ClearDepth(1.0f);
gl.ClearStencil(0);
gl.Enable(Capability::DepthTest);
gl.BlendFunc(BlendFn::SrcAlpha, BlendFn::One);
}示例2: attr
//.........这里部分代码省略.........
"}");
fs_shadow.Compile();
shadow_prog.AttachShader(vs_shadow);
shadow_prog.AttachShader(gs_shadow);
shadow_prog.AttachShader(fs_shadow);
shadow_prog.Link().Use();
shadow_projection_matrix.BindTo("ProjectionMatrix");
shadow_camera_matrix.BindTo("CameraMatrix");
shadow_model_matrix.BindTo("ModelMatrix");
// bind the VAO for the torus
torus.Bind();
// bind the VBO for the torus vertices
torus_verts.Bind(Buffer::Target::Array);
{
std::vector<GLfloat> data;
GLuint n_per_vertex = make_torus.Positions(data);
Buffer::Data(Buffer::Target::Array, data);
VertexArrayAttrib attr(VertexArrayAttrib::GetCommonLocation(
MakeGroup(object_prog, shadow_prog), "Position"));
attr.Setup<GLfloat>(n_per_vertex);
attr.Enable();
}
// bind the VBO for the torus normals
torus_normals.Bind(Buffer::Target::Array);
{
std::vector<GLfloat> data;
GLuint n_per_vertex = make_torus.Normals(data);
Buffer::Data(Buffer::Target::Array, data);
object_prog.Use();
VertexArrayAttrib attr(object_prog, "Normal");
attr.Setup<GLfloat>(n_per_vertex);
attr.Enable();
}
// bind the VAO for the plane
plane.Bind();
// bind the VBO for the plane vertices
plane_verts.Bind(Buffer::Target::Array);
{
GLfloat data[4 * 3] = {-9.0f,
0.0f,
-9.0f,
-9.0f,
0.0f,
9.0f,
9.0f,
0.0f,
-9.0f,
9.0f,
0.0f,
9.0f};
Buffer::Data(Buffer::Target::Array, 4 * 3, data);
object_prog.Use();
VertexArrayAttrib attr(object_prog, "Position");
attr.Setup<GLfloat>(3);
attr.Enable();
}
// bind the VBO for the torus normals
plane_normals.Bind(Buffer::Target::Array);
{
GLfloat data[4 * 3] = {-0.1f,
1.0f,
0.1f,
-0.1f,
1.0f,
-0.1f,
0.1f,
1.0f,
0.1f,
0.1f,
1.0f,
-0.1f};
Buffer::Data(Buffer::Target::Array, 4 * 3, data);
object_prog.Use();
VertexArrayAttrib attr(object_prog, "Normal");
attr.Setup<GLfloat>(3);
attr.Enable();
}
Vec3f lightPos(2.0f, 9.0f, 3.0f);
ProgramUniform<Vec3f>(object_prog, "LightPos").Set(lightPos);
ProgramUniform<Vec3f>(shadow_prog, "LightPos").Set(lightPos);
gl.ClearColor(0.2f, 0.2f, 0.2f, 0.0f);
gl.ClearDepth(1.0f);
gl.ClearStencil(0);
gl.Enable(Capability::DepthTest);
gl.Enable(Capability::CullFace);
gl.FrontFace(make_torus.FaceWinding());
}示例3: gl
//.........这里部分代码省略.........
" 20.4365,-35.81021"
"l -43.78946,-30.11675"
"c -7.37799,-6.14328"
" -6.76172,-11.95465"
" -30.59946,-14.4867"
" -7.3681,-8.26173"
" -16.91998,-15.58704"
" -17.77179,-25.44079"
"l 3.19111,-1.30899"
"c 5.66966,8.17456"
" 5.04135,19.14781"
" 19.90453,26.63415"
" 16.79016,-0.42901"
" 33.48024,-8.77684"
" 37.51318,-17.5806"
"z"
"m 100.47604,12.17096"
" -41.13754,47.8457"
" -1.28556,3.45416"
" 19.69984,15.03817"
" 3.00685,-2.61745"
" 39.98919,-47.11398"
" 0.20368,-2.96727"
"c -5.20109,-4.99"
" -10.11474,-10.17304"
" -17.87754,-13.34188"
"z"
"m 17.21754,25.10098"
" -2.34127,0.98707"
" -32.55714,39.03611"
" -2.52598,2.98121"
" 15.36908,11.51245"
" 4.68518,0.47953"
" 34.77739,-39.62667"
" -0.55381,-3.64243"
"c -3.06075,-4.58721"
" -10.50061,-10.2548"
" -16.85345,-11.72727"
"z"
"m -72.86065,19.8761"
" -15.2679,3.0925"
"c 26.57114,13.9239"
" 43.79716,29.59996"
" 65.69469,44.40557"
" 31.09815,22.86624"
" 63.72592,40.27978"
" 100.34072,52.54386"
" -19.7004,-24.16603"
" -45.48586,-53.7133"
" -80.19406,-78.6645"
"l -13.63751,16.18691"
" -7.41411,-0.0354"
"z"
"m -60.76927,125.44609"
" -8.79676,44.89633"
" 92.36105,9.4532"
" 3.89632,-45.39793"
"z"
);
GLfloat font_scale = 48;
text_glyphs.GlyphRange(
PathNVFontTarget::Standard,
"Sans",
PathNVFontStyle::Bold,
0, 128,
PathNVMissingGlyph::Use,
~0,
font_scale
);
gl.ClearColor(1.0f, 1.0f, 1.0f, 1.0f);
gl.ClearStencil(0);
gl.StencilMask(~0);
gl.StencilFunc(CompareFunction::NotEqual, 0, 0xFF);
gl.StencilOp(
StencilOperation::Keep,
StencilOperation::Keep,
StencilOperation::Zero
);
gl.Enable(Capability::StencilTest);
gl.Viewport(tex_side, tex_side);
dsa.ProjectionMatrix()
.LoadIdentity()
.Ortho(0, tex_side, 0, tex_side, -1, 1);
GLfloat font_min_max[2];
text_glyphs.GetMetricRange(
PathNVMetricQuery::FontYMinBounds|
PathNVMetricQuery::FontYMaxBounds,
1, 0,
font_min_max
);
font_y_min = font_min_max[0];
font_y_max = font_min_max[1];
font_height = font_y_max - font_y_min;
}示例4: attr
ReflectionExample(void)
: make_cube(0.5,0.5,0.5, 0.1,0.1,0.1, 3,3,3)
, cube_indices(make_cube.Indices())
, cube_instr(make_cube.Instructions())
, prog(make_prog())
, projection_matrix(prog, "ProjectionMatrix")
, camera_matrix(prog, "CameraMatrix")
, model_matrix(prog, "ModelMatrix")
{
gl.Use(prog);
// bind the VAO for the cube
gl.Bind(cube);
// bind the VBO for the cube vertices
gl.Bind(Buffer::Target::Array, cube_verts);
{
std::vector<GLfloat> data;
GLuint n_per_vertex = make_cube.Positions(data);
// upload the data
Buffer::Data(Buffer::Target::Array, data);
// setup the vertex attribs array for the vertices
VertexArrayAttrib attr(prog, "Position");
attr.Setup<GLfloat>(n_per_vertex);
attr.Enable();
}
// bind the VBO for the cube normals
gl.Bind(Buffer::Target::Array, cube_normals);
{
std::vector<GLfloat> data;
GLuint n_per_vertex = make_cube.Normals(data);
// upload the data
Buffer::Data(Buffer::Target::Array, data);
// setup the vertex attribs array for the normals
VertexArrayAttrib attr(prog, "Normal");
attr.Setup<GLfloat>(n_per_vertex);
attr.Enable();
}
// bind the VAO for the plane
gl.Bind(plane);
// bind the VBO for the plane vertices
gl.Bind(Buffer::Target::Array, plane_verts);
{
GLfloat data[4*3] = {
-2.0f, 0.0f, 2.0f,
-2.0f, 0.0f, -2.0f,
2.0f, 0.0f, 2.0f,
2.0f, 0.0f, -2.0f
};
// upload the data
Buffer::Data(Buffer::Target::Array, 4*3, data);
// setup the vertex attribs array for the vertices
prog.Use();
VertexArrayAttrib attr(prog, "Position");
attr.Setup<Vec3f>();
attr.Enable();
}
// bind the VBO for the cube normals
gl.Bind(Buffer::Target::Array, plane_normals);
{
GLfloat data[4*3] = {
-0.1f, 1.0f, 0.1f,
-0.1f, 1.0f, -0.1f,
0.1f, 1.0f, 0.1f,
0.1f, 1.0f, -0.1f
};
// upload the data
Buffer::Data(Buffer::Target::Array, 4*3, data);
// setup the vertex attribs array for the normals
prog.Use();
VertexArrayAttrib attr(prog, "Normal");
attr.Setup<Vec3f>();
attr.Enable();
}
gl.Bind(NoVertexArray());
Uniform<Vec3f>(prog, "LightPos").Set(1.5, 2.0, 2.5);
//
gl.ClearColor(0.2f, 0.2f, 0.2f, 0.0f);
gl.ClearDepth(1.0f);
gl.ClearStencil(0);
}