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opengl: Add tiling for multi-textures.

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This commit is contained in:
Rod Kay
2025-09-24 12:14:44 +10:00
parent 9469acaf91
commit 4dc7e235f0
20 changed files with 274 additions and 62 deletions
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35
3-mid/opengl/source/lean/geometry/opengl-geometry-texturing.adb
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@@ -62,8 +62,10 @@ is
then
for i in 1 .. openGL.texture_Set.texture_Id (for_Model.texture_Count)
loop
Uniforms.Textures (i).fade_Uniform .Value_is (Real (for_Model.Fade (Which => i)));
Uniforms.Textures (i).texture_applied_Uniform.Value_is (for_Model.texture_Applied (Which => i));
Uniforms.Textures (i).tiling_Uniform .Value_is (Vector_2' ((for_Model.Tiling (Which => i).S,
for_Model.Tiling (Which => i).T)));
Uniforms.Textures (i).fade_Uniform .Value_is (Real (for_Model.Fade (Which => i)));
Uniforms.Textures (i).texture_applied_Uniform.Value_is (for_Model.texture_Applied (Which => i));
glUniform1i (Uniforms.Textures (i).texture_Uniform.gl_Variable,
GLint (i) - 1);
@@ -92,10 +94,12 @@ is
texture_uniform_Name : constant String := "Textures[" & trim (Natural'Image (i - 1), Left) & "]";
fade_uniform_Name : constant String := "Fade[" & trim (Natural'Image (i - 1), Left) & "]";
texture_applies_uniform_Name : constant String := "texture_Applies[" & trim (Natural'Image (i - 1), Left) & "]";
tiling_uniform_Name : constant String := "Tiling[" & trim (Natural'Image (i - 1), Left) & "]";
begin
Uniforms.Textures (Id). texture_Uniform := for_Program.uniform_Variable (Named => texture_uniform_Name);
Uniforms.Textures (Id). fade_Uniform := for_Program.uniform_Variable (Named => fade_uniform_Name);
Uniforms.Textures (Id).texture_applied_Uniform := for_Program.uniform_Variable (Named => texture_applies_uniform_Name);
Uniforms.Textures (Id).tiling_Uniform := for_Program.uniform_Variable (Named => tiling_uniform_Name);
end;
end loop;
@@ -139,7 +143,7 @@ is
function Fade (Self : in Item; Which : in texture_Set.texture_ID := 1) return texture_Set.fade_Level
is
begin
return Self.texture_Set.Textures (which).Fade;
return Self.texture_Set.Textures (Which).Fade;
end Fade;
@@ -180,11 +184,34 @@ is
function texture_Applied (Self : in Item; Which : in texture_Set.texture_ID := 1) return Boolean
is
begin
return Self.texture_Set.Textures (which).Applied;
return Self.texture_Set.Textures (Which).Applied;
end texture_Applied;
overriding
procedure Tiling_is (Self : in out Item; Now : in texture_Set.Tiling;
Which : in texture_Set.texture_ID := 1)
is
begin
Self.texture_Set.Textures (Which).Tiling := Now;
end Tiling_is;
overriding
function Tiling (Self : in Item; Which : in texture_Set.texture_ID := 1) return texture_Set.Tiling
is
begin
return Self.texture_Set.Textures (Which).Tiling;
end Tiling;
overriding
procedure enable_Textures (Self : in out Item)
is