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lace/3-mid/opengl/source/lean/shader/opengl-variable-uniform.ads

74 lines
2.2 KiB
Ada

limited
with
openGL.Program;
package openGL.Variable.uniform
--
-- Models a uniform variable for shaders.
--
is
type Item is abstract new Variable.item with private;
---------
-- Forge
--
procedure define (Self : in out Item; Program : access openGL.Program.item'class;
Name : in String);
overriding
procedure destroy (Self : in out Item);
function gl_Variable (Self : in Item) return GL.GLint;
-----------
-- Actuals
--
type bool is new Variable.uniform.item with private;
type int is new Variable.uniform.item with private;
type float is new Variable.uniform.item with private;
type vec3 is new Variable.uniform.item with private;
type vec4 is new Variable.uniform.item with private;
type mat3 is new Variable.uniform.item with private;
type mat4 is new Variable.uniform.item with private;
type sampler2D is new Variable.uniform.item with private;
procedure Value_is (Self : in bool; Now : in Boolean);
procedure Value_is (Self : in int; Now : in Integer);
procedure Value_is (Self : in float; Now : in Real);
procedure Value_is (Self : in vec3; Now : in Vector_3);
procedure Value_is (Self : in vec4; Now : in Vector_4);
procedure Value_is (Self : in mat3; Now : in Matrix_3x3);
procedure Value_is (Self : in mat4; Now : in Matrix_4x4);
private
type Item is abstract new openGL.Variable.item with null record;
type bool is new Variable.uniform.item with null record;
type int is new Variable.uniform.item with null record;
type float is new Variable.uniform.item with null record;
type vec3 is new Variable.uniform.item with null record;
type vec4 is new Variable.uniform.item with null record;
type mat3 is new Variable.uniform.item with null record;
type mat4 is new Variable.uniform.item with null record;
type sampler2D is new Variable.uniform.item with null record;
null_Uniform : constant gl.GLint := gl.GLint'Last; -- TODO: Use 'GL.GL_MAX_UNIFORM_LOCATIONS', when GL bindings is updated.
end openGL.Variable.uniform;