187 lines
6.5 KiB
Plaintext
187 lines
6.5 KiB
Plaintext
with
|
|
openGL.Tasks,
|
|
|
|
GL.Binding,
|
|
GL.lean,
|
|
|
|
ada.Strings.fixed;
|
|
|
|
with ada.Text_IO; use ada.Text_IO;
|
|
|
|
|
|
package body openGL.Geometry.texturing
|
|
is
|
|
|
|
procedure Texture_is (in_Set : in out texture_Set; Which : texture_ID; Now : in openGL.Texture.Object)
|
|
is
|
|
begin
|
|
in_Set.Textures (Which) := (0.0,
|
|
Now,
|
|
texture_Uniform => <>,
|
|
fade_Uniform => <>);
|
|
|
|
in_Set.is_Transparent := in_Set.is_Transparent
|
|
or Now .is_Transparent;
|
|
|
|
if Natural (Which) > in_Set.Count
|
|
then
|
|
in_Set.Count := Natural (Which);
|
|
end if;
|
|
end Texture_is;
|
|
|
|
|
|
|
|
|
|
function Texture (in_Set : in texture_Set; Which : texture_ID) return openGL.Texture.Object
|
|
is
|
|
begin
|
|
return in_Set.Textures (Which).Object;
|
|
end Texture;
|
|
|
|
|
|
|
|
|
|
function Texture (in_Set : in texture_Set) return openGL.Texture.Object
|
|
is
|
|
begin
|
|
return in_Set.Textures (1).Object;
|
|
end Texture;
|
|
|
|
|
|
|
|
|
|
procedure Texture_is (in_Set : in out texture_Set; Now : in openGL.Texture.Object)
|
|
is
|
|
begin
|
|
in_Set.Textures (1).Object := Now;
|
|
in_Set.is_Transparent := in_Set.is_Transparent
|
|
or Now .is_Transparent;
|
|
|
|
if in_Set.Count = 0
|
|
then
|
|
in_Set.Count := 1;
|
|
end if;
|
|
end Texture_is;
|
|
|
|
|
|
|
|
procedure enable (the_Textures : in out texture_Set;
|
|
Program : in openGL.Program.view)
|
|
is
|
|
use GL,
|
|
GL.Binding,
|
|
openGL.Texture;
|
|
|
|
begin
|
|
Tasks.check;
|
|
|
|
if not the_Textures.initialised
|
|
then
|
|
for i in 1 .. the_Textures.Count
|
|
loop
|
|
declare
|
|
use ada.Strings,
|
|
ada.Strings.fixed;
|
|
|
|
Id : constant texture_Id := texture_Id (i);
|
|
begin
|
|
null;
|
|
|
|
declare
|
|
uniform_Name : aliased constant String :="Textures[" & Trim (Natural'Image (i - 1), Left) & "]";
|
|
begin
|
|
the_Textures.Textures (Id).texture_Uniform := Program.uniform_Variable (Named => uniform_Name);
|
|
end;
|
|
|
|
-- declare
|
|
-- uniform_Name : constant String := "Fade[" & Trim (Natural'Image (i - 1), Left) & "]";
|
|
-- begin
|
|
-- the_Textures.Textures (Id).fade_Uniform := Program.uniform_Variable (Named => uniform_Name);
|
|
-- end;
|
|
end;
|
|
end loop;
|
|
|
|
the_Textures.Initialised := True;
|
|
end if;
|
|
|
|
|
|
for i in 1 .. the_Textures.Count
|
|
loop
|
|
declare
|
|
use GL.lean;
|
|
|
|
use type GL.GLint;
|
|
|
|
type texture_Units is array (texture_Id) of GLenum;
|
|
|
|
all_texture_Units : constant texture_Units := (GL_TEXTURE0,
|
|
GL_TEXTURE1,
|
|
GL_TEXTURE2,
|
|
GL_TEXTURE3,
|
|
GL_TEXTURE4,
|
|
GL_TEXTURE5,
|
|
GL_TEXTURE6,
|
|
GL_TEXTURE7,
|
|
GL_TEXTURE8,
|
|
GL_TEXTURE9,
|
|
GL_TEXTURE10,
|
|
GL_TEXTURE11,
|
|
GL_TEXTURE12,
|
|
GL_TEXTURE13,
|
|
GL_TEXTURE14,
|
|
GL_TEXTURE15,
|
|
GL_TEXTURE16,
|
|
GL_TEXTURE17,
|
|
GL_TEXTURE18,
|
|
GL_TEXTURE19,
|
|
GL_TEXTURE20,
|
|
GL_TEXTURE21,
|
|
GL_TEXTURE22,
|
|
GL_TEXTURE23,
|
|
GL_TEXTURE24,
|
|
GL_TEXTURE25,
|
|
GL_TEXTURE26,
|
|
GL_TEXTURE27,
|
|
GL_TEXTURE28,
|
|
GL_TEXTURE29,
|
|
GL_TEXTURE30,
|
|
GL_TEXTURE31);
|
|
|
|
Id : constant texture_Id := texture_Id (i);
|
|
begin
|
|
null;
|
|
glUniform1i (the_Textures.Textures (Id).texture_Uniform.gl_Variable,
|
|
GLint (i) - 1);
|
|
glActiveTexture (all_texture_Units (Id));
|
|
glBindTexture (GL_TEXTURE_2D,
|
|
the_Textures.Textures (Id).Object.Name);
|
|
end;
|
|
|
|
|
|
-- declare
|
|
-- use ada.Strings,
|
|
-- ada.Strings.fixed;
|
|
--
|
|
-- uniform_Name : constant String := "Fade[" & Trim (Natural'Image (i - 1), Left) & "]";
|
|
-- Uniform : constant openGL.Variable.uniform.float := Program.uniform_Variable (uniform_Name);
|
|
-- Id : constant texture_Id := texture_Id (i);
|
|
-- begin
|
|
-- -- put_Line ("Fade:" & the_Textures.Textures (texture_Id (i)).Fade'Image);
|
|
--
|
|
-- -- the_Textures.Textures (Id).fade_Uniform.Value_is (Real (the_Textures.Textures (texture_Id (i)).Fade));
|
|
-- -- Uniform.Value_is (Real (the_Textures.Textures (texture_Id (i)).Fade));
|
|
-- null;
|
|
-- end;
|
|
end loop;
|
|
|
|
|
|
-- declare
|
|
-- the_texture_count_Uniform : constant openGL.Variable.uniform.int := Program.uniform_Variable ("texture_Count");
|
|
-- begin
|
|
-- the_texture_count_Uniform.Value_is (the_Textures.Count);
|
|
-- end;
|
|
end enable;
|
|
|
|
|
|
end openGL.Geometry.texturing;
|