gl: do not used max bound texture size automatically

[d2df-sdl.git] / src / game / renders / opengl / r_textures.pas

diff --git a/src/game/renders/opengl/r_textures.pas b/src/game/renders/opengl/r_textures.pas
index ec47f58bc640ecd4d2a213246f19519ccaaef100..56d2656c8c17e0e556e70e8525fc06e7e718537e 100644 (file)
--- a/src/game/renders/opengl/r_textures.pas
+++ b/src/game/renders/opengl/r_textures.pas
@@ -465,7 +465,8 @@ implementation
     begin
       // auto, max possible reccomended by driver
       glGetIntegerv(GL_MAX_TEXTURE_SIZE, @size);
-      if size < 1 then size := 64;
+      size := size div 2; (* hack: on some devices max size may produce invalid texture *)
+      if size < 64 then size := 64; (* at least 64x64 are guarantied by specification *)
     end
     else
     begin
@@ -482,7 +483,7 @@ implementation
   begin
     currentTexture2D := 0;
     maxTileSize := r_Textures_GetMaxHardwareSize();
-    e_LogWritefln('TEXTURE SIZE: %s', [maxTileSize]);
+    e_LogWritefln('Texture Tile Size: %s', [maxTileSize]);
   end;
 
   procedure r_Textures_Finalize;
@@ -492,9 +493,12 @@ implementation
     begin
       for i := 0 to High(atl) do
       begin
-        glDeleteTextures(1, @atl[i].id);
-        atl[i].id := 0;
-        r_Common_FreeAndNil(atl[i]);
+        if atl[i] <> nil then
+        begin
+          glDeleteTextures(1, @atl[i].id);
+          atl[i].id := 0;
+          r_Common_FreeAndNil(atl[i]);
+        end;
       end;
     end;
     SetLength(atl, 0);
@@ -503,9 +507,12 @@ implementation
     begin
       for i := 0 to High(ratl) do
       begin
-        glDeleteTextures(1, @ratl[i].id);
-        ratl[i].id := 0;
-        r_Common_FreeAndNil(ratl[i]);
+        if ratl[i] <> nil then
+        begin
+          glDeleteTextures(1, @ratl[i].id);
+          ratl[i].id := 0;
+          r_Common_FreeAndNil(ratl[i]);
+        end;
       end;
     end;
     SetLength(ratl, 0);